( d ) Similarly , STM was markedly decreased in 20 - d - old Atg8a − / − ( Atg8aEP362 / Atg8aEP362 ) mutant flies compared with control flies ( Atg8a + / + ) without any effect by spermidine feeding ( n = 8 - 9 independent experiments , F = 68 . 43 , one - way ANOVA with Bonferroni correction ) . * P 0 . 05 , * * P 0 . 01 , * * * P 0 . 001 ; ns indicates not significant , P > 0 . 05 . Data are presented as mean ± s . e . m . aversive olfactory avoidance shock reactivity of different mutant are shown in Supplementary Table 5 .

O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O B-CONTROLLED_VAR O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(d) Similarly, STM was markedly decreased in 20-d-old Atg8a−/− (Atg8aEP362/Atg8aEP362) mutant female flies compared with control flies (Atg8a+/+) without any effect by spermidine feeding (n = 8-9 independent experiments, F = 68.43, one-way ANOVA with Bonferroni correction). *P 0.05, **P 0.01, ***P 0.001; ns indicates not significant, P > 0.05. Data are presented as mean ± s.e.m. The aversive olfactory avoidance and shock reactivity of different mutant are shown in Supplementary Table 5.


( a ) Aversive associative memory performance in 3 min after training ( STM ) in 3 - d - old flies with pan - neuronal expression of UAS - Odc - 1 ( n = 7 independent experiments , F = 0 . 04 , one - way ANOVA with Bonferroni correction ) .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O

(a) Aversive associative memory performance in 3 min after training (STM) in 3-d-old female flies with pan-neuronal expression of UAS-Odc-1 (n = 7 independent experiments, F = 0.04, one-way ANOVA with Bonferroni correction).


( b ) Aversive associative memory performance in 3 h after training ( ITM ) , ARM ASM of 3 - d - old appl - driven UAS - Odc - 1 flies compared with control flies ( n = 7 independent experiments ; F = 1 . 95 for ITM , F = 0 . 10 for ARM , F = 1 . 05 for ASM ; one - way ANOVA with Bonferroni correction ) .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(b) Aversive associative memory performance in 3 h after training (ITM), ARM and ASM of 3-d-old appl-driven UAS-Odc-1 female flies compared with control flies (n = 7 independent experiments; F = 1.95 for ITM, F = 0.10 for ARM, F = 1.05 for ASM; one-way ANOVA with Bonferroni correction).


( c ) Pan - neuronal expression of UAS - Odc - 1 in a wild - type background suppressed AMI in 30 - d - old flies ( n = 7 independent experiments , F = 21 . 35 , one - way - ANOVA with Bonferroni correction ) .

O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(c) Pan-neuronal expression of the UAS-Odc-1 in a wild-type background suppressed AMI in 30-d-old female flies (n = 7 independent experiments, F = 21.35, one-way-ANOVA with Bonferroni correction).


( d ) ITM , ARM ASM of 30 - d - old flies with pan - neuronal expression of UAS - Odc - 1 compared with their genetic controls ( n = 7 - 8 independent experiments ; F = 17 . 49 for ITM , F = 1 . 58 for ARM , F = 24 . 61 for ASM ; one - way ANOVA with Bonferroni correction ) .

O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(d) ITM, ARM and ASM of 30-d-old female flies with pan-neuronal expression of UAS-Odc-1 compared with their genetic controls (n = 7-8 independent experiments; F = 17.49 for ITM, F = 1.58 for ARM, F = 24.61 for ASM; one-way ANOVA with Bonferroni correction).


( e ) Expressing Odc - 1 in just mushroom was sufficient to protect from STM decline in 30 - d - old flies ( n = 9 - 12 independent experiments , F = 9 . 25 , one - way ANOVA with Bonferroni correction ) .

O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(e) Expressing Odc-1 in just the mushroom body was sufficient to protect from STM decline in 30-d-old flies (n = 9-12 independent experiments, F = 9.25, one-way ANOVA with Bonferroni correction).


( f ) ITM , ARM ASM of 30 - d - old flies expressing mushroom - specific Odc - 1 compared with their genetic controls ( n = 8 - 9 independent experiments ; F = 11 . 73 for ITM , F = 0 . 50 for ARM , F = 16 . 6 for ASM ; one - way ANOVA with Bonferroni correction ) . * * P 0 . 01 , * * * P 0 . 001 ; ns indicates not significant , P > 0 . 05 . Data are presented as mean ± s . e . m .

O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

(f) ITM, ARM and ASM of 30-d-old flies expressing mushroom body-specific Odc-1 compared with their genetic controls (n = 8-9 independent experiments; F = 11.73 for ITM, F = 0.50 for ARM, F = 16.6 for ASM; one-way ANOVA with Bonferroni correction). **P 0.01, ***P 0.001; ns indicates not significant, P > 0.05. Data are presented as mean ± s.e.m.


Neuroblastoma PDX SK - N - BE ( 2 ) c treated with IBL inhibitors at indicated concentrations for 48 hours . pAkt ( at Ser473 ( A ) Thr308 ( B ) sites ) in LU - NB - 3 SK - N - BE ( 2 ) c determined by western blotting . Total Akt were used as loading control .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O

Neuroblastoma PDX and SK-N-BE(2)c cells treated with IBL inhibitors at indicated concentrations for 48 hours. pAkt (at Ser473 (A) and Thr308 (B) sites) levels in LU-NB-3 and SK-N-BE(2)c cells determined by western blotting. Total Akt levels were used as loading control.


Neuroblastoma PDX treated with IBL inhibitors at indicated concentrations for 48 hours . C . p - p70S6K p - p85S6K in LU - NB - 3 determined by western blotting . Actin , p70S6K , p85S6K were used as loading controls .

O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O B-MEASURED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O B-MEASURED_VAR O O O O O O

Neuroblastoma PDX cells treated with IBL inhibitors at indicated concentrations for 48 hours. C. p-p70S6K and p-p85S6K levels in LU-NB-3 cells determined by western blotting. Actin, p70S6K, and p85S6K levels were used as loading controls.


D . Brightfield photomicrographs of LU - NB - 3 SK - N - BE ( 2 ) c treated with 0 . 36μM IBL - 202 or 0 . 05 μM IBL - 301 . Scale bars represent 100 μm ( LU - NB - 3 ) or 200 μm ( SK - N - BE ( 2 ) c ) . Arrows indicate neurite outgrowths asterisks indicate where inserts are magnified . IBL - 301 treated were stained for Tuj1 . DAPI was used to visualize nuclei . E . of neurite outgrowth presented as number of neurites / in LU - NB - 3 PDX SK - N - BE ( 2 ) treated with IBL - 301 . For LU - NB - 3 PDX , representative areas ( n = 2 ) were used n = 344 n = 240 / condition for CTRL IBL - 301 , respectively , were counted . For SK - N - BE ( 2 ) c , representative areas ( n = 2 n = 3 for CTRL IBL - 301 respectively ) were used n = 141 n = 130 / condition for CTRL IBL - 301 , respectively , were counted . Statistical significance was determined by two - sided student ' s t - tes . P = 0 . 003 for LU - NB - 3 p = 0 . 08 for SK - N - BE ( 2 ) c .

O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

D. Brightfield photomicrographs of LU-NB-3 and SK-N-BE(2)c cells treated with 0.36μM IBL-202 or 0.05 μM IBL-301. Scale bars represent 100 μm (LU-NB-3) or 200 μm (SK-N-BE(2)c). Arrows indicate neurite outgrowths and asterisks indicate where inserts are magnified. IBL-301 treated cells were stained for Tuj1. DAPI was used to visualize nuclei. E. Quantification of neurite outgrowth presented as number of neurites/cell in LU-NB-3 PDX and SK-N-BE(2) cells treated with IBL-301. For LU-NB-3 PDX cells, representative areas (n=2) were used and n=344 and n=240 cells/condition for CTRL and IBL-301, respectively, were counted. For SK-N-BE(2)c cells, representative areas (n=2 and n=3 for CTRL and IBL-301 respectively) were used and n=141 and n=130 cells/condition for CTRL and IBL-301, respectively, were counted. Statistical significance was determined by two-sided student's t-tes. P=0.003 for LU-NB-3 and p=0.08 for SK-N-BE(2)c.


Neuroblastoma PDX SK - N - BE ( 2 ) c treated with IBL inhibitors at indicated concentrations for 48 hours . F . Gap43 in LU - NB - 3 SK - N - BE ( 2 ) c determined by western blotting . SDHA were used as loading control .

O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O

Neuroblastoma PDX and SK-N-BE(2)c cells treated with IBL inhibitors at indicated concentrations for 48 hours. F. Gap43 protein levels in LU-NB-3 and SK-N-BE(2)c cells determined by western blotting. SDHA levels were used as loading control.


Neuroblastoma PDX treated with IBL inhibitors at indicated concentrations for 48 hours . G . N - Myc in LU - NB - 2 LU - NB - 3 determined by western blotting . SDHA were used as loading control .

O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O

Neuroblastoma PDX cells treated with IBL inhibitors at indicated concentrations for 48 hours. G. N-Myc levels in LU-NB-2 and LU-NB-3 cells determined by western blotting. SDHA levels were used as loading control.


A . Viability IBL - 202 or IBL - 301 treated determined by CellTiterGlo .

A. Viability IBL-202 or IBL-301 treated cells determined by CellTiterGlo.


B - C . cycle distribution of LU - NB - 3 determined by flow cytometry . Bars show mean values from two independent experiments .

O O O O O O O O O O O O O O O O O O O O O O O O O O

B-C. Cell cycle distribution of LU-NB-3 cells determined by flow cytometry. Bars show mean values from two independent experiments.


D . caspase 3 ( Cl Casp3 ) in LU - NB - 3 determined by western blotting . SDHA were used as loading control .

O O B-MEASURED_VAR I-MEASURED_VAR O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O

D. Cleaved caspase 3 (Cl Casp3) levels in LU-NB-3 cells determined by western blotting. SDHA levels were used as loading control.


E . Flow cytometry analyses of Annexin V PI stainings following treatment with 360 nM IBL - 202 or 50 nM IBL - 301 . F . of live dead from AnnexinV / PI stainings . Dead = PI positive , Live = PI negative . Dot plots from two independent experiments error bars represent .

O O O O O O B-MEASURED_VAR I-MEASURED_VAR O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O

E. Flow cytometry analyses of Annexin V and PI stainings following treatment with 360 nM IBL-202 or 50 nM IBL-301. F. Quantification of live and dead cells from the AnnexinV/PI stainings. Dead cells=PI positive, Live cells=PI negative. Dot plots from two independent experiments and error bars represent SEM.


Neuroblastoma were treated with indicated concentrations of IBL - 302 for 48 hours A . Expression of pAkt ( Ser473 ) in LU - NB - 3 SK - N - BE ( 2 ) c . Total Akt actin were used as loading controls . B . Expression of pAkt ( Thr308 ) in LU - NB - 3 SK - N - BE ( 2 ) c . Total Akt actin were used as loading controls .

O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O

Neuroblastoma cells were treated with indicated concentrations of IBL-302 for 48 hours A. Expression of pAkt(Ser473) in LU-NB-3 and SK-N-BE(2)c cells. Total Akt and actin were used as loading controls. B. Expression of pAkt(Thr308) in LU-NB-3 and SK-N-BE(2)c cells. Total Akt and actin were used as loading controls.


Neuroblastoma were treated with indicated concentrations of IBL - 302 for 48 hours C . Brightfield photomicrographs of LU - NB - 3 SK - N - BE ( 2 ) c treated with 50 nM IBL - 302 . Scale bars represent 100 μm ( LU - NB - 3 ) or 200 μm ( SK - N - BE ( 2 ) c ) . D . of neurite outgrowth presented as number of neurites / in LU - NB - 3 PDX SK - N - BE ( 2 ) c treated with IBL - 302 . For LU - NB - 3 PDX , representative areas ( n = 4 ) were used n = 460 n = 216 / condition for CTRL IBL - 302 , respectively , were counted . For SK - N - BE ( 2 ) c , representative areas ( n = 5 n = 7 for CTRL IBL - 302 respectively ) were used n = 124 n = 260 / condition for CTRL IBL - 301 , respectively , were counted . Statistical significance was determined by two - sided student ' s t - . p = 0 . 009 for LU - NB - 3 p = 0 . 0003 for SK - N - BE ( 2 ) c .

O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Neuroblastoma cells were treated with indicated concentrations of IBL-302 for 48 hours C. Brightfield photomicrographs of LU-NB-3 and SK-N-BE(2)c cells treated with 50 nM IBL-302. Scale bars represent 100 μm (LU-NB-3) or 200 μm (SK-N-BE(2)c). D. Quantification of neurite outgrowth presented as number of neurites/cell in LU-NB-3 PDX and SK-N-BE(2)c cells treated with IBL-302. For LU-NB-3 PDX cells, representative areas (n=4) were used and n=460 and n=216 cells/condition for CTRL and IBL-302, respectively, were counted. For SK-N-BE(2)c cells, representative areas (n=5 and n=7 for CTRL and IBL-302 respectively) were used and n=124 and n=260 cells/condition for CTRL and IBL-301, respectively, were counted. Statistical significance was determined by two-sided student's t-test. p=0.009 for LU-NB-3 and p=0.0003 for SK-N-BE(2)c.


Neuroblastoma were treated with indicated concentrations of IBL - 302 for 48 hours E . N - Myc expression determined by western blotting . SDHA was used as loading control .

O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O

Neuroblastoma cells were treated with indicated concentrations of IBL-302 for 48 hours E. N-Myc protein expression determined by western blotting. SDHA was used as loading control.


Neuroblastoma were treated with indicated concentrations of IBL - 302 for 72 hours F . viability determined by CellTiterGlo .

O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O

Neuroblastoma cells were treated with indicated concentrations of IBL-302 for 72 hours F. Cell viability determined by CellTiterGlo.


Neuroblastoma were treated with indicated concentrations of IBL - 302 for 48 hours G . Flow cytometry analyses of Annexin V PI stainings following treatment with 50nM IBL - 302 H . of live dead . Dead = PI positive , Live = PI negative . Dot plots from two independent experiments error bars represent .

O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O

Neuroblastoma cells were treated with indicated concentrations of IBL-302 for 48 hours G. Flow cytometry analyses of Annexin V and PI stainings following treatment with 50nM IBL-302 H. Quantification of live and dead cells. Dead cells=PI positive, Live cells=PI negative. Dot plots from two independent experiments and error bars represent SEM.


I . Neuroblastoma SK - N - BE ( 2 ) c carrying mice ( n = 5 in each group ) were treated with vehicle ( CTRL ) or 40 mg / kg IBL - 302 for up to 35 days growth was followed over time . Asterisks indicate each occasion a mouse within that particular group was sacrificed .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O

I. Neuroblastoma SK-N-BE(2)c carrying mice (n=5 in each group) were treated with vehicle (CTRL) or 40 mg/kg IBL-302 for up to 35 days and tumor growth was followed over time. Asterisks indicate each occasion a mouse within that particular group was sacrificed.


J . Kaplan - Meier survival curves comparing mice treated with vehicle ( CTRL ) or IBL - 302 . Log - rank was used to determine statistical significance . p = 0 . 0577 .

O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O

J. Kaplan-Meier survival curves comparing mice treated with vehicle (CTRL) or IBL-302. Log-rank test was used to determine statistical significance. p=0.0577.


A - B . LU - NB - 3 PDX , SK - N - BE ( 2 ) c SK - N - SH were treated with indicated concentrations of cisplatin / or 0 . 36 μM IBL - 202 , 0 . 05 μM IBL - 301 , or 0 . 05 μM IBL - 302 for 48 hours . viability determined by CellTiterGlo . Graphs show mean values from three independent experiments . Theoretical additive curves were evaluated by calculating combination index ( CI ) on Bliss Independence model .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

A-B. LU-NB-3 PDX, SK-N-BE(2)c and SK-N-SH cells were treated with indicated concentrations of cisplatin and/or 0.36 μM IBL-202, 0.05 μM IBL-301, or 0.05 μM IBL-302 for 48 hours. Cell viability determined by CellTiterGlo. Graphs show mean values and SEM from three independent experiments. Theoretical additive curves were evaluated by calculating the combination index (CI) based on the Bliss Independence model.


C - D . cycle distribution in LU - NB - 3 PDX after treatment with 320 nM cisplatin , 50 nM IBL - 302 or combination of these , determined by flow cytometry . Bars show mean values from two independent experiments .

O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O

C-D. Cell cycle distribution in LU-NB-3 PDX cells after treatment with 320 nM cisplatin, 50 nM IBL-302 or the combination of these, determined by flow cytometry. Bars show mean values from two independent experiments.


E . in mice from Neuroblastoma PDX carrying mice ( n = 5 in each group ) were treated with vehicle ( CTRL ) , low - dose ( 20mg / kg ) IBL - 302 , low - dose ( 1mg / kg ) cisplatin , or combination of low - dose IBL - 302 low - dose cisplatin for up to 70 days . was measured over time . Asterisks indicate each occasion a mouse within that particular group was sacrificed .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O B-CONTROLLED_VAR O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O

E. Tumor size in individual mice from Neuroblastoma PDX carrying mice (n=5 in each group) were treated with vehicle (CTRL), low-dose (20mg/kg) IBL-302, low-dose (1mg/kg) cisplatin, or the combination of low-dose IBL-302 and low-dose cisplatin for up to 70 days. Tumor size was measured over time. Asterisks indicate each occasion a mouse within that particular group was sacrificed.


F . Neuroblastoma PDX carrying mice ( n = 5 in each group ) were treated with vehicle ( CTRL ) , low - dose ( 20mg / kg ) IBL - 302 , low - dose ( 1mg / kg ) cisplatin , or combination of low - dose IBL - 302 low - dose cisplatin for up to 70 days . was measured over time . Asterisks indicate each occasion a mouse within that particular group was sacrificed .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O B-CONTROLLED_VAR O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O

F. Neuroblastoma PDX carrying mice (n=5 in each group) were treated with vehicle (CTRL), low-dose (20mg/kg) IBL-302, low-dose (1mg/kg) cisplatin, or the combination of low-dose IBL-302 and low-dose cisplatin for up to 70 days. Tumor size was measured over time. Asterisks indicate each occasion a mouse within that particular group was sacrificed.


G . Kaplan - Meier survival curves comparing mice treated with vehicle ( CTRL ) , IBL - 302 , cisplatin , or combination . Log - rank was used to determine statistical significance . p = 0 . 0014 .

O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O

G. Kaplan-Meier survival curves comparing mice treated with vehicle (CTRL), IBL-302, cisplatin, or the combination. Log-rank test was used to determine statistical significance. p=0.0014.


H . Immunohistochemical of N - Myc expression in tumors Scale bars represent 100 μm .

O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O

H. Immunohistochemical staining of N-Myc expression in tumors Scale bars represent 100 μm.


LU - NB - 3 PDX were treated with 50 nM of IBL - 302 for 48 hours subsequently analyzed by RNAseq mass spectrometry . A - C . Heat map of significantly differentially expressed genes across treatment groups from RNAseq data ( FDR < 0 . 1 ) ( A ) . Genes defined as differentially expressed that were also present in MS phospho - MS are visualized in ( B ) ( C ) , respectively .

O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

LU-NB-3 PDX cells were treated with 50 nM of IBL-302 for 48 hours and subsequently analyzed by RNAseq and mass spectrometry. A-C. Heat map of significantly differentially expressed genes across treatment groups from RNAseq data (FDR<0.1) (A). Genes defined as differentially expressed that were also present in MS and phospho-MS are visualized in (B) and (C), respectively.


Dose - response curves representing 72 - h viability measurements for six selected BRAFV600E melanoma lines after treatment with vemurafenib . Ranges of estimated IC50 Emax for selected lines are shown . Data are represented as mean ± SD .

O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O

Dose-response curves representing 72-h viability measurements for six selected BRAFV600E melanoma cell lines after treatment with vemurafenib. Ranges of estimated IC50 and Emax for the selected lines are shown. Data are represented as mean ± SD.


Pairwise distribution correlation of estimated IC50 Emax values for responses ( 72 - h viability ) of 8 lines to four RAF inhibitors one MEK inhibitor . Each dot represents one drug / combination . Sensitive lines are arbitrarily defined on their IC50s ( most widely used metric for evaluation of drug response ; log10 [ IC50 ] < − 6 . 5 ) .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Pairwise distribution and correlation of estimated IC50 and Emax values for responses (72-h viability) of 8 cell lines to four RAF inhibitors and one MEK inhibitor. Each dot represents one drug/cell line combination. Sensitive cell lines are arbitrarily defined based on their IC50s (the most widely used metric for evaluation of drug response; log10[IC50] < −6.5).


c - Jun p - c - Jun ( Ser63 ) changes as measured by RPPA in six melanoma lines in response to different doses of RAF MEK inhibitors for 10 h ( or 5 h in case of WM115cell ) 48 h .

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c-Jun and p-c-Jun(Ser63) changes as measured by RPPA in six melanoma cell lines in response to different doses of RAF and MEK inhibitors for 10 h (or 5 h in the case of WM115cell line) and 48 h.


B , C Synergistic apoptosis induction in four lines ( WM115 , WM1552C , LOXIMVI , COLO858 ) treated for 72 h with combinations of vemurafenib JNK - IN - 8 . ( B ) Dose - response profiles for apoptosis induction with vemurafenib JNK - IN - 8 combination .

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B, C Synergistic apoptosis induction in four cell lines (WM115, WM1552C, LOXIMVI, and COLO858) treated for 72 h with combinations of vemurafenib and JNK-IN-8. (B) Dose-response profiles for apoptosis induction with vemurafenib and JNK-IN-8 combination.


C Synergistic apoptosis induction in four lines ( WM115 , WM1552C , LOXIMVI , COLO858 ) treated for 72 h with combinations of vemurafenib JNK - IN - 8 . ( C ) Excess over predicted Bliss independence ( EOBI ) calculated for different combined doses of vemurafenib JNK - IN - 8 .

O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O

C Synergistic apoptosis induction in four cell lines (WM115, WM1552C, LOXIMVI, and COLO858) treated for 72 h with combinations of vemurafenib and JNK-IN-8. (C) Excess over the predicted Bliss independence (EOBI) calculated for different combined doses of vemurafenib and JNK-IN-8.


D c - Jun expression in WM115 transfected with JUN siRNA relative to no non - targeting controls quantified in triplicate 48 h after transfection .

O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O

D c-Jun expression in WM115 cells transfected with JUN siRNA relative to no RNA and non-targeting controls quantified in triplicate 48 h after transfection.


E , F Apoptosis in WM115 with or without 48 h JUN knockdown after 96 - h treatment with increasing doses of

O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O

E, F Apoptosis in WM115 cells with or without 48 h JUN knockdown after 96-h treatment with increasing doses of vemurafenib


E , F Apoptosis in WM115 with or without 48 h JUN knockdown after 96 - h treatment with increasing doses of selumetinib ( F )

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E, F Apoptosis in WM115 cells with or without 48 h JUN knockdown after 96-h treatment with increasing doses of selumetinib (F)


Time - dose - response plots indicating changes in RPPA measurements for p27 versus p - histone H3 for two selected lines ( C32 WM115 ) after exposure to PLX4720 . Mean values of four biological replicates are shown . represent log2 fold change of each signal ( at a specific dose time ) relative to a DMSO - treated control .

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Time-dose-response plots indicating changes in RPPA measurements for p27 versus p-histone H3 for two selected cell lines (C32 and WM115) after exposure to PLX4720. Mean values of four biological replicates are shown. Protein levels represent log2 fold change of each signal (at a specific dose and time) relative to a DMSO-treated control.


B - D Time - dose - response plots indicating changes in RPPA measurements for pERK ( Thr202 / Tyr204 ) versus pAKT ( Ser473 ) for two selected lines ( C32 WM115 ) after exposure to PLX4720 . Mean values of four biological replicates are shown . represent log2 fold change of each signal ( at a specific dose time ) relative to a DMSO - treated control .

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B-D Time-dose-response plots indicating changes in RPPA measurements for pERK(Thr202/Tyr204) versus pAKT(Ser473) for two selected cell lines (C32 and WM115) after exposure to PLX4720. Mean values of four biological replicates are shown. Protein levels represent log2 fold change of each signal (at a specific dose and time) relative to a DMSO-treated control.


Time - dose - response plots indicating changes in RPPA measurements for pS6 ( Ser235 / 236 ) versus total c - Jun for two selected lines ( C32 WM115 ) after exposure to PLX4720 . Mean values of four biological replicates are shown . represent log2 fold change of each signal ( at a specific dose time ) relative to a DMSO - treated control .

O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Time-dose-response plots indicating changes in RPPA measurements for pS6(Ser235/236) versus total c-Jun levels for two selected cell lines (C32 and WM115) after exposure to PLX4720. Mean values of four biological replicates are shown. Protein levels represent log2 fold change of each signal (at a specific dose and time) relative to a DMSO-treated control.


Covariate single - of Ki - 67 ( left ) pRb ( Ser807 / 811 ) ( right ) versus p - cJun ( Ser73 ) in WM1552C before 24 h after exposure to 0 . 8 μM vemurafenib . Density scatter plots were generated using signal intensities for as measured by immunofluorescence microscopy . vertical lines were used to gate p - cJunHigh versus p - cJunLow . horizontal lines were used to gate Ki - 67High versus Ki - 67Low , pRbHigh versus pRbLow .

O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O B-MEASURED_VAR O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O

Covariate single-cell analysis of Ki-67 (left) and pRb(Ser807/811) (right) versus p-cJun(Ser73) in WM1552C cells before and 24 h after exposure to 0.8 μM vemurafenib. Density scatter plots were generated using signal intensities for individual cells as measured by immunofluorescence microscopy. The vertical lines were used to gate p-cJunHigh versus p-cJunLow cells. The horizontal lines were used to gate Ki-67High versus Ki-67Low cells, and pRbHigh versus pRbLow cells.


of drug dose - dependent changes in proportion of pRbLow / p - cJunHigh pRbHigh / p - cJunHigh subpopulations in four melanoma lines ( WM115 , WM1552C , LOXIMVI , COLO858 ) after exposure to vemurafenib for 24 h . These subpopulations were gated as shown in ( A ) . Data are represented as mean ± SD for two

O O O O O O O O O O O O O B-MEASURED_VAR O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O

Analysis of drug dose-dependent changes in proportion of pRbLow/p-cJunHigh and pRbHigh/p-cJunHigh subpopulations in four melanoma cell lines (WM115, WM1552C, LOXIMVI, COLO858) after exposure to vemurafenib for 24 h. These subpopulations were gated as shown in (A). Data are represented as mean ± SD for two replicates


Covariate single - of pRb ( Ser807 / 811 ) versus pS6 ( Ser235 / 236 ) following 24 - h treatment of WM1552C with different doses of vemurafenib alone ( top ) vemurafenib JNK - IN - 8 together ( bottom ) . Drugs were added at a 1 : 1 , each at indicated concentrations when used in combination . Density scatter plots were generated using signal intensities for as measured by immunofluorescence microscopy . horizontal vertical lines were used to gate pS6High versus pS6Low , pRbHigh versus pRbLow , respectively .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Covariate single-cell analysis of pRb(Ser807/811) versus pS6(Ser235/236) following 24-h treatment of WM1552C cells with different doses of vemurafenib alone (top) and vemurafenib and JNK-IN-8 together (bottom). Drugs were added at a 1:1 ratio, each at indicated concentrations when used in combination. Density scatter plots were generated using signal intensities for individual cells as measured by immunofluorescence microscopy. The horizontal and vertical lines were used to gate pS6High versus pS6Low cells, and pRbHigh versus pRbLow cells, respectively.


Selected immunofluorescence of pS6 ( Ser235 / 236 ) Hoechst in WM1552C in a DMSO - treated control 24 h after exposure to 5 μM of vemurafenib , JNK - IN - 8 , their combination .

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Selected immunofluorescence images of pS6(Ser235/236) and Hoechst staining in WM1552C cells in a DMSO-treated control and 24 h after exposure to 5 μM of vemurafenib, JNK-IN-8, and their combination.


of changes in proportion of pS6Highcell population in three melanoma lines ( LOXIMVI , WM115 WM1552C ) as a function of drug for single - drug vemurafenib JNK - IN - 8 treatments their combination treatment . Drugs were added at a 1 : 1 , each at indicated concentrations when used in combination . pS6High population of was gated as indicated in ( C ) . Data are represented as mean ± SD for two replicates . Data comparison between vemurafenib treatment vemurafenib / JNK - IN - 8 combined treatment was made by using two - way of variance ( ANOVA ) .

O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR O B-CONTROLLED_VAR O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O

Analysis of the changes in proportion of pS6Highcell population in three melanoma cell lines (LOXIMVI, WM115 and WM1552C) as a function of drug concentration for single-drug vemurafenib and JNK-IN-8 treatments and their combination treatment. Drugs were added at a 1:1 ratio, each at indicated concentrations when used in combination. pS6High population of cells was gated as indicated in (C). Data are represented as mean ± SD for two replicates. Data comparison between vemurafenib treatment and vemurafenib/JNK-IN-8 combined treatment was made by using two-way analysis of variance (ANOVA).


Fraction of c - JunHighcells ( as measured by single - ( immunofluorescence microscopy ) after 48 h JUN knockdown followed by 24 - h treatment with vemurafenib . Fold changes are shown relative to control - treated . Data are presented as mean ± SD .

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Fraction of c-JunHighcells (as measured by single-cell (immunofluorescence microscopy) after 48 h JUN knockdown followed by 24-h treatment with vemurafenib. Fold changes are shown relative to control-treated cells. Data are presented as mean ± SD.


Single - pS6 ( Ser235 / 236 ) in c - JunHigh c - JunLow fractions of ( as measured by single - multiplex immunofluorescence microscopy ) after 48 h of JUN knockdown 24 - h treatment with 0 . 32 μM vemurafenib . Single - pS6 data are presented as box - - whisker plots with median signal intensities interquartile ranges ; bars extending to 1 . 5 × interquartile range are shown for each condition as a measure of variance . P - values were calculated using a two - sided nonparametric Mann - Whitney U - .

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Single-cell pS6(Ser235/236) levels in the c-JunHigh and c-JunLow fractions of cells (as measured by single-cell multiplex immunofluorescence microscopy) after 48 h of JUN knockdown and 24-h treatment with 0.32 μM vemurafenib. Single-cell pS6 data are presented as box-and-whisker plots with median signal intensities and interquartile ranges; bars extending to 1.5× the interquartile range are shown for each condition as a measure of variance. P-values were calculated using a two-sided nonparametric Mann-Whitney U-test.


Pairwise Spearman ' s correlation between 1 - h changes in pERK ( Thr202 / Tyr204 ) as measured by immunofluorescence microscopy 72 - h relative viability both represented by z - score - scaled AUC of seven dose - response curves for four RAF inhibitors one MEK inhibitor across 8 / 10 lines investigated in this study .

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Pairwise Spearman's correlation between the 1-h changes in pERK(Thr202/Tyr204) levels as measured by immunofluorescence microscopy and 72-h relative viability both represented by the z-score-scaled AUC of the seven dose-response curves for four RAF inhibitors and one MEK inhibitor across 8/10 cell lines investigated in this study.


Comparison of level of 1 - h pERK inhibition for 8 lines treated with SB590885 versus PLX4720 .

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Comparison of the level of 1-h pERK inhibition for 8 cell lines treated with SB590885 versus PLX4720.


Comparison of 72 - h measured relative viability AUC for 8 / 10 lines treated with SB590885 versus

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Comparison of the 72-h measured relative viability AUC for 8/10 cell lines treated with SB590885 versus PLX4720


Comparison of level of 1 - h pERK inhibition between two lines ( C32 WM1552C ) treated with four RAF inhibitors one MEK inhibitor .

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Comparison of the level of 1-h pERK inhibition between two cell lines (C32 and WM1552C) treated with four RAF inhibitors and one MEK inhibitor.


Comparison of 72 - h measured relative viability AUC between two lines ( C32 WM1552C ) treated with four RAF inhibitors one MEK inhibitor .

Comparison of the 72-h measured relative viability AUC between two cell lines (C32 and WM1552C) treated with four RAF inhibitors and one MEK inhibitor.


Pairwise Spearman ' s correlation between 24 - h changes in pS6 ( Ser235 / 236 ) as measured by immunofluorescence microscopy 72 - h relative viability both represented by z - score - scaled AUC of dose - response curves for four RAF inhibitors one MEK inhibitor across 8 / 10 lines investigated in this study .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

Pairwise Spearman's correlation between the 24-h changes in pS6(Ser235/236) levels as measured by immunofluorescence microscopy and 72-h relative viability both represented by the z-score-scaled AUC of the dose-response curves for four RAF inhibitors and one MEK inhibitor across 8/10 cell lines investigated in this study.


Pairwise Spearman ' s correlation between 24 - h p - cJun as measured by immunofluorescence microscopy 72 - h relative viability after treatment with PLX4720 for 8 lines . p - cJun are averaged over five doses ( 0 . 1 - 5 μM ) , viability is represented by AUC of dose - response curves .

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Pairwise Spearman's correlation between the 24-h p-cJun levels as measured by immunofluorescence microscopy and 72-h relative viability after treatment with PLX4720 for 8 cell lines. p-cJun levels are averaged over five doses (0.1-5 μM), and viability is represented by the AUC of the dose-response curves.


Comparison of level of 24 - h pS6 inhibition for 8 lines treated with SB590885 versus PLX4720 .

Comparison of the level of 24-h pS6 inhibition for 8 cell lines treated with SB590885 versus PLX4720.


Comparison of level of 24 - h pS6 inhibition between two lines ( C32 WM1552C ) treated with four RAF inhibitors one MEK

O O O O O O O O O O O O O O O O O O O O O O O

Comparison of the level of 24-h pS6 inhibition between two cell lines (C32 and WM1552C) treated with four RAF inhibitors and one MEK inhibitor


A . 3D rendering of cerebrovascular tree in brain slices from P90 Ctrl Poly I : C MIA offspring stained with intravascular DiI ( red ) . Scale bar = 50 µm . B . DiI - positive blood vessels geometry - of blood vessel number , diameter ( mean cumulative frequency distribution ) , , number of branch segments average branch - of P90 Ctrl Poly I : C MIA offspring . Vessel number for Ctrl ( 20 . 93 ± 1 . 73 ) Poly I : C ( 27 . 41 ± 1 . 99 ) MIA offspring , Mann - Whitney U , * * p < . 01 . Mean diameter for Ctrl ( 5 . 58 ± 0 . 01 ) Poly I : C ( 4 . 96 ± 0 . 01 ) MIA offspring , Mann - Whitney U , * * * * p < . 0001 . Total of vessel per image for Ctrl ( 6 . 12 ± 0 . 76 ) Poly I : C ( 9 . 83 ± 1 . 48 ) MIA offspring , Mann - Whitney U , * * p < . 01 . Number of branches for Ctrl ( 9 . 60 ± 0 . 54 ) Poly I : C ( 15 . 80 ± 1 . 21 ) MIA offspring , Mann - Whitney U , * p < . 05 . Average branch for Ctrl ( 34 . 07 ± 1 . 35 ) Poly I : C ( 33 . 47 ± 1 . 67 ) MIA offspring . C . 3D rendering of cerebrovascular tree in brain slices from P90 Ctrl Poly I : C MIA offspring stained with intravascular DiI ( red ) . Scale bar = 50 µm . D . DiI - positive blood vessels geometry - of blood vessel number , diameter ( mean cumulative frequency distribution ) , , number of branch segments average branch - of P90 Ctrl Poly I : C MIA offspring . Vessel number for Ctrl ( 9 . 97 ± 1 . 18 ) Poly I : C ( 8 . 61 ± 0 . 78 ) MIA offspring . Mean diameter for Ctrl ( 5 . 77 ± 0 . 03 ) Poly I : C ( 6 . 16 ± 0 . 02 ) MIA offspring , Mann - Whitney U , * * * * p < . 0001 . Total of vessel per image for Ctrl ( 3 . 23 ± 0 . 50 ) Poly I : C ( 2 . 97 ± 0 . 30 ) MIA offspring . Number of branches for Ctrl ( 10 . 50 ± 0 . 87 ) Poly I : C ( 7 . 24 ± 0 . 44 ) MIA offspring . Average branch for Ctrl ( 38 . 06 ± 2 . 17 ) Poly I : C ( 46 . 93 ± 1 . 49 ) MIA offspring , Mann - Whitney U , * * * p < . 001 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Ctrl = bars with purple border . Poly I : C = purple bars with purple border . In Fig . 1 B D black dotted lines represent Ctrl while blue purple solid represent Poly I : C Poly I : C offspring respectively . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O

A. 3D rendering of the cerebrovascular tree in brain slices from male P90 Ctrl and Poly I:C MIA offspring stained with intravascular DiI (red). Scale bar = 50 µm. B. DiI-positive blood vessels geometry analysis - quantification of blood vessel number, diameter (mean and cumulative frequency distribution), length, number of branch segments and average branch length - of P90 male Ctrl and Poly I:C MIA offspring. Vessel number for Ctrl (20.93 ± 1.73) and Poly I:C (27.41 ± 1.99) MIA offspring, Mann-Whitney U test, **p < .01. Mean diameter for Ctrl (5.58 ± 0.01) and Poly I:C (4.96 ± 0.01) MIA offspring, Mann-Whitney U test, ****p < .0001. Total length of vessel per image for Ctrl (6.12 ± 0.76) and Poly I:C (9.83 ± 1.48) MIA offspring, Mann-Whitney U test, **p < .01. Number of branches for Ctrl (9.60 ± 0.54) and Poly I:C (15.80 ± 1.21) MIA offspring, Mann-Whitney U test, *p < .05. Average branch length for Ctrl (34.07 ± 1.35) and Poly I:C (33.47 ± 1.67) MIA offspring. C. 3D rendering of the cerebrovascular tree in brain slices from female P90 Ctrl and Poly I:C MIA offspring stained with intravascular DiI (red). Scale bar = 50 µm. D. DiI-positive blood vessels geometry analysis - quantification of blood vessel number, diameter (mean and cumulative frequency distribution), length, number of branch segments and average branch length - of P90 female Ctrl and Poly I:C MIA offspring. Vessel number for Ctrl (9.97 ± 1.18) and Poly I:C (8.61 ± 0.78) MIA offspring. Mean diameter for Ctrl (5.77 ± 0.03) and Poly I:C (6.16 ± 0.02) MIA offspring, Mann-Whitney U test, ****p < .0001. Total length of vessel per image for Ctrl (3.23 ± 0.50) and Poly I:C (2.97 ± 0.30) MIA offspring. Number of branches for Ctrl (10.50 ± 0.87) and Poly I:C (7.24 ± 0.44) MIA offspring. Average branch length for Ctrl (38.06 ± 2.17) and Poly I:C (46.93 ± 1.49) MIA offspring, Mann-Whitney U test, ***p < .001. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. In Fig.1 B and D black dotted lines represent the Ctrl while the blue and purple solid line represent the male Poly I:C and female Poly I:C offspring respectively. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


E . of in - vivo brain permeability at P30 in Ctrl ( 0 . 00 ± 0 . 00 ) Poly I : C ( 3 . 68 ± 1 . 98 ) treated offspring , Mann - Whitney U , p = 0 . 060 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

E. Quantification of in-vivo brain permeability at P30 in male Ctrl (0.00 ± 0.00) and Poly I:C (3.68 ± 1.98) treated offspring, Mann-Whitney U test, p=0.060. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


F . of Evans Blue ( EB ) of in - vivo brain permeability at P90 ( top ) representative pictures ( bottom ) of perfused brains from Ctrl ( left ; 0 . 00 ± 0 . 00 ) Poly I : C ( right ; 20 . 32 ± 10 . 95 ) offspring . Mann - Whitney U , * p < . 05 . In accompanying pseudocolor - blue pixels are represented as a gradient of - to - blue depending on of color in original photo while absence of blue tones is represented as green . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

F. Quantification of Evans Blue (EB) analysis of in-vivo brain permeability at P90 (top) and representative pictures (bottom) of perfused brains from Male Ctrl (left; 0.00 ± 0.00) and Poly I:C (right; 20.32 ± 10.95) offspring. Mann-Whitney U test, *p < .05. In accompanying pseudocolor images - blue pixels are represented as a gradient of light-to-dark blue depending on the intensity of the color in the original photo while the absence of blue tones is represented as green. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


G . Quantitative of optical density of Claudin - 5 ( CLDN5 ) immunoreactive bands normalized to Calnexin ( CANX ) in cortices from P90 Ctrl ( 0 . 99 ± 0 . 09 ) Poly I : C ( 0 . 58 ± 0 . 05 ) offspring . Mann - Whitney U , * * p < . 01 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

G. Quantitative analysis of the optical density of Claudin-5 (CLDN5) immunoreactive bands normalized to Calnexin (CANX) in cortices from P90 male Ctrl (0.99 ± 0.09) and Poly I:C (0.58 ± 0.05) offspring. Mann-Whitney U test, **p < .01. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


H . Quantitative of optical density of ZO - 1 immunoreactive bands normalized by α - Tubulin ( αTUB ) in cortices from P90 Ctrl ( 1 . 00 ± 0 . 04 ) Poly I : C ( 0 . 75 ± 0 . 08 ) offspring . Student ' s t , * p < . 05 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

H. Quantitative analysis of the optical density of ZO-1 immunoreactive bands normalized by α-Tubulin (αTUB) in cortices from P90 male Ctrl (1.00 ± 0.04) and Poly I:C (0.75 ± 0.08) offspring. Student's t test, *p < .05. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


I . of in - vivo brain permeability at P30 in Ctrl ( 0 . 58 ± 0 . 17 ) Poly I : C ( 0 . 31 ± 0 . 14 ) treated offspring . Data information : Ctrl = bars with purple border . Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

I. Quantification of in-vivo brain permeability at P30 in female Ctrl (0.58 ± 0.17) and Poly I:C (0.31 ± 0.14) treated offspring. Data information: Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


J . of Evans Blue ( EB ) of in - vivo brain permeability at P90 ( top ) representative pictures ( bottom ) of perfused brains from Ctrl ( left ; 0 . 70 ± 0 . 47 ) Poly I : C ( right ; 0 . 10 ± 0 . 10 ) offspring . In accompanying pseudocolor - blue pixels are represented as a gradient of - to - blue depending on of color in original photo while absence of blue tones is represented as green . Data information : Ctrl = bars with purple border . Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

J. Quantification of Evans Blue (EB) analysis of in-vivo brain permeability at P90 (top) and representative pictures (bottom) of perfused brains from Female Ctrl (left; 0.70 ± 0.47) and Poly I:C (right; 0.10 ± 0.10) offspring. In accompanying pseudocolor images - blue pixels are represented as a gradient of light-to-dark blue depending on the intensity of the color in the original photo while the absence of blue tones is represented as green. Data information: Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


K . Quantitative of optical density of Claudin - 5 ( CLDN5 ) immunoreactive bands normalized by CANX in cortices from P90 Ctrl ( 1 . 00 ± 0 . 16 ) Poly I : C ( 1 . 39 ± 0 . 13 ) offspring . Data information : Ctrl = bars with purple border . Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

K. Quantitative analysis of the optical density of Claudin-5 (CLDN5) immunoreactive bands normalized by CANX in cortices from P90 female Ctrl (1.00 ± 0.16) and Poly I:C (1.39 ± 0.13) offspring. Data information: Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


L . Quantitative of optical density of ZO - 1 immunoreactive bands normalized by αTUB in cortices from P90 Ctrl ( 1 . 00 ± 0 . 11 ) Poly I : C ( 1 . 19 ± 0 . 19 ) offspring . Data information : Ctrl = bars with purple border . Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

L. Quantitative analysis of the optical density of ZO-1 immunoreactive bands normalized by αTUB in cortices from P90 female Ctrl (1.00 ± 0.11) and Poly I:C (1.19 ± 0.19) offspring. Data information: Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


M . Representative of P90 Ctrl Poly I : C offspring cortices stained for TJs . Claudin - 5 ( top - green ) ZO - 1 ( bottom - red ) - Scale bar = 10 µm . N . Quantitative of mean of CLDN5 in cortices from P90 Ctrl ( 75 . 14 ± 1 . 08 ) Poly I : C ( 67 . 39 ± 2 . 00 ) offspring . Student ' s t , * p < . 05 . O . Quantitative of CLDN5 signal volume in cortices from P90 Ctrl ( 5 . 54 ± 0 . 59 ) Poly I : C ( 3 . 70 ± 0 . 48 ) offspring . Student ' s t , * p < . 05 . P . Quantitative of mean of ZO - 1 in cortices from P90 Ctrl ( 73 . 16 ± 0 . 59 ) Poly I : C ( 73 . 86 ± 1 . 94 ) offspring . Q . Quantitative of ZO - 1 signal volume in cortices from P90 Ctrl ( 23 . 29 ± 1 . 42 ) Poly I : C ( 16 . 78 ± 2 . 18 ) offspring . Student ' s t , * p < . 05 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

M. Representative images of P90 Ctrl and Poly I:C male offspring cortices stained for TJs proteins. Claudin-5 (top-green) and ZO-1 (bottom-red) - Scale bar = 10 µm. N. Quantitative analysis of mean intensity of CLDN5 in cortices from P90 male Ctrl (75.14 ± 1.08) and Poly I:C (67.39 ± 2.00) offspring. Student's t test, *p < .05. O. Quantitative analysis of the CLDN5 signal volume in cortices from P90 male Ctrl (5.54 ± 0.59) and Poly I:C (3.70 ± 0.48) offspring. Student's t test, *p < .05. P. Quantitative analysis of mean intensity of ZO-1 in cortices from P90 male Ctrl (73.16 ± 0.59) and Poly I:C (73.86 ± 1.94) offspring. Q. Quantitative analysis of the ZO-1 signal volume in cortices from P90 male Ctrl (23.29 ± 1.42) and Poly I:C (16.78 ± 2.18) offspring. Student's t test, *p < .05. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


T . [ Left ] of in - vivo cerebrovascular permeability to EB of P90 Ctrl ( 0 . 16 ± 0 . 16 ) Poly I : C - treated ( 0 . 89 ± 0 . 89 ) injected at P20 . [ Right ] Representative pictures of saline perfused brains 24h after EB injection accompanied by pseudocolor - blue pixels are represented as a gradient of - to - blue depending on of color in original photo while absence of blue tones is represented as green - from Ctrl ( top ) Poly I : C ( bottom ) mice . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

T. [Left] Quantification of in-vivo cerebrovascular permeability to EB of P90 Ctrl (0.16 ± 0.16) and Poly I:C-treated (0.89 ± 0.89) males injected at P20. [Right] Representative pictures of saline perfused brains 24h after the EB injection accompanied by pseudocolor images - blue pixels are represented as a gradient of light-to-dark blue depending on the intensity of the color in the original photo while the absence of blue tones is represented as green - from Ctrl (top) and Poly I:C (bottom) male mice. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


U . Quantitative of optical density of CLDN5 immunoreactive bands normalized to CANX in cortices from P90 Ctrl ( 0 . 99 ± 0 . 12 ) Poly I : C ( 0 . 98 ± 0 . 10 ) treated at P20 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

U. Quantitative analysis of the optical density of CLDN5 immunoreactive bands normalized to CANX in cortices from P90 Ctrl (0.99 ± 0.12) and Poly I:C (0.98 ± 0.10) males treated at P20. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


V . Quantitative of optical density of ZO - 1 immunoreactive bands normalized to CANX in cortices from P90 Ctrl ( 1 . 00 ± 0 . 11 ) Poly I : C ( 0 . 73 ± 0 . 05 ) treated at P20 . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Numbers in bars indicate number of ( N ) ( n ) . Bars represent mean ± .

O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O

V. Quantitative analysis of the optical density of ZO-1 immunoreactive bands normalized to CANX in cortices from P90 Ctrl (1.00 ± 0.11) and Poly I:C (0.73 ± 0.05) males treated at P20. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Numbers in bars indicate the number of animals (N) and images (n). Bars represent mean ± SEM.


O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O

A. qPCR analyses of GD9+6h male embryos for: Pecam1 (Ctrl = 1.00 ± 0.17 N=8, Poly I:C = 0.89 ± 0.23 N=13), CD248 (Ctrl = 1.00 ± 0.20 N=6, Poly I:C = 1.35 ± 0.31 N=11), Vegfa (Ctrl = 1.00 ± 0.19 N=8, Poly I:C = 0.15 ± 0.04 N=8, Student's t test, ***p < .001), Pdfgb (Ctrl = 1.00 ± 0.23 N=5, Poly I:C = 1.10 ± 0.18 N=13), Tgfb1 (Ctrl = 1.00 ± 0.21 N=7, Poly I:C = 1.76 ± 0.22 N=10, Mann-Whitney U test, *p < .05), Tgfb2 (Ctrl = 1.00 ± 0.28 N=6, Poly I:C = 1.37 ± 0.28 N=13), Tgfb3 (Ctrl = 1.00 ± 0.51 N=6, Poly I:C = 0.73 ± 0.19 N=10), Foxf2 (Ctrl = 1.00 ± 0.45 N=8, Poly I:C = 0.46 ± 0.18 N=13) mRNAs. B. qPCR analyses of E17 male cortices for: Pecam1 (Ctrl = 1.00 ± 0.63 N=10, Poly I:C = 3.07 ± 1.58 N=8; Mann-Whitney U test, *p < .05), CD248 (Ctrl = 1.00 ± 0.23 N=10, Poly I:C = 3.33 ± 0.79 N=9; Mann-Whitney U test, **p < .01), Vegfa (Ctrl = 1.00 ± 0.10 N=8, Poly I:C = 1.70 ± 0.29 N=5; Mann-Whitney U test, *p < .05), Pdfgb (Ctrl = 1.00 ± 0.75 N=9, Poly I:C = 2.05 ± 0.96 N=9; Mann-Whitney U test, *p < .05), Tgfb1 (Ctrl = 1.00 ± 0.16 N=7, Poly I:C = 15.27 ± 5.75 N=7; Mann-Whitney U test, ***p < .001), Tgfb2 (Ctrl = 1.00 ± 0.16 N=8, Poly I:C = 3.82 ± 1.05 N=6; Mann-Whitney U test, *p < .05), Tgfb3 (Ctrl = 1.00 ± 0.10 N=9, Poly I:C = 10.58 ± 6.73 N=8; Mann-Whitney U test, ***p < .001); Foxf2 (Ctrl = 1.00 ± 0.06 N=5, Poly I:C = 2.60 ± 0.57 N=8; Mann-Whitney U test, *p < .05) mRNAs. C. qPCR analyses of P90 male cortices for: Pecam1 (Ctrl = 1.00 ± 0.18 N=8, Poly I:C = 0.85 ± 0.08 N=8), CD248 (Ctrl = 1.00 ± 0.20 N=9, Poly I:C = 0.93 ± 0.11 N=8), Vegfa (Ctrl = 1.00 ± 0.07 N=8, Poly I:C = 0.75 ± 0.06 N=8; Mann-Whitney U test, *p < .05); Pdfgb (Ctrl = 1.00 ± 0.20 N=8, Poly I:C = 1.11 ± 0.17 N=4), Tgfb1 (Ctrl = 1.00 ± 0.29 N=5, Poly I:C = 2.37 ± 0.47 N=7; Mann-Whitney U test, *p < .05); Tgfb2 (Ctrl = 1.00 ± 0.29 N=4, Poly I:C = 1.19 ± 0.26 N=7), Tgfb3 (Ctrl = 1.00 ± 0.18 N=10, Poly I:C = 1.78 ± 0.50 N=11) mRNAs. D. qPCR analyses of GD9+6h female embryos for: Pecam1 (Ctrl = 1.00 ± 0.27 N=10, Poly I:C = 2.22 ± 0.50 N=6), CD248 (Ctrl = 1.00 ± 0.27 N=10, Poly I:C = 2.32 ± 0.57 N=6; Mann-Whitney U test, *p < .05), Vegfa (Ctrl = 1.00 ± 0.38 N=8, Poly I:C = 0.29 ± 0.03 N=5; Mann-Whitney U test, *p < .05), Pdfgb (Ctrl = 1.00 ± 0.36 N=10, Poly I:C = 1.31 ± 0.47 N=6), Tgfb1 (Ctrl = 1.00 ± 0.16 N=8, Poly I:C = 1.63 ± 0.42 N=7), Tgfb2 (Ctrl = 1.00 ± 0.33 N=9, Poly I:C = 1.75 ± 0.29 N=6; Mann-Whitney U test, *p < .05), Tgfb3 (Ctrl = 1.00 ± 0.29 N=9, Poly I:C = 1.33 ± 0.51 N=6), Foxf2 (Ctrl = 1.00 ± 0.28 N=9, Poly I:C = 1.71 ± 0.52 N=6) mRNAs. E. qPCR analyses of E17 female cortices for: Pecam1 (Ctrl = 1.00 ± 0.34 N=6, Poly I:C = 0.27 ± 0.08 N=8), CD248 (Ctrl = 1.00 ± 0.27 N=8, Poly I:C = 1.04 ± 0.28 N=9), Vegfa (Ctrl = 1.00 ± 0.70 N=5, Poly I:C = 0.32 ± 0.13 N=5), Pdfgb (Ctrl = 1.00 ± 0.38 N=6, Poly I:C = 0.19 ± 0.07 N=9), Tgfb1 (Ctrl = 1.00 ± 0.33 N=5, Poly I:C = 0.09 ± 0.03 N=6), Tgfb2 (Ctrl = 1.00 ± 0.32 N=7, Poly I:C = 0.45 ± 0.11 N=8), Tgfb3 (Ctrl = 1.00 ± 0.38 N=7, Poly I:C = 0.40 ± 0.20 N=9), Foxf2 (Ctrl = 1.00 ± 0.18 N=5, Poly I:C = 1.04 ± 0.28 N=8) mRNAs. F. qPCR analyses of P90 female cortices for: Pecam1 (Ctrl = 1.00 ± 0.15 N=5, Poly I:C = 0.69 ± 0.15 N=5), CD248 (Ctrl = 1.00 ± 0.13 N=5, Poly I:C = 0.58 ± 0.09 N=5), Vegfa (Ctrl = 1.00 ± 0.38 N=6, Poly I:C = 1.53 ± 0.38 N=8), Pdfgb (Ctrl = 1.00 ± 0.16 N=9, Poly I:C = 1.77 ± 0.35 N=17), Tgfb1 (Ctrl = 1.00 ± 0.26 N=13, Poly I:C = 1.30 ± 0.23 N=14), Tgfb2 (Ctrl = 1.00 ± 0.27 N=11, Poly I:C = 0.59 ± 0.06 N=4), Tgfb3 (Ctrl = 1.00 ± 0.45 N=11, Poly I:C = 0.51 ± 0.06 N=4) mRNAs. G. qPCR analyses of GD9+6h male embryos for Il1α (Ctrl = 1.00 ± 0.29 N=7, Poly I:C = 2.10 ± 0.57 N=17), Il1β (Ctrl = 1.00 ± 0.39 N=6, Poly I:C = 10.84 ± 4.70 N=6; Mann-Whitney U test, **p < .01), Il1rn (Ctrl = 1.00 ± 0.27 N=7, Poly I:C = 3.60 ± 1.58 N=11), Il6 (Ctrl = 1.00 ± 0.17 N=6, Poly I:C = 0.82 ± 0.12 N=7) mRNAs. H. qPCR analyses of E17 male cortices for: Il1α (Ctrl = 1.00 ± 0.27 N=9, Poly I:C = 1.77 ± 0.53 N=11), Il1β (Ctrl = 1.00 ± 0.21 N=7, Poly I:C = 1.33 ± 0.33 N=8), Il1rn (Ctrl = 1.00 ± 0.25 N=10, Poly I:C = 0.82 ± 0.40 N=18), Il6 (Ctrl = 1.00 ± 0.24 N=7, Poly I:C = 2.17 ± 0.43 N=8) mRNAs. I. qPCR analyses of P90 male cortices for: Il1α (Ctrl = 1.00 ± 0.24 N=8, Poly I:C = 1.51 ± 0.26 N=10), Il1β (Ctrl = 1.00 ± 0.27 N=8, Poly I:C = 1.19 ± 0.34 N=8), Il1rn (Ctrl = 1.00 ± 0.31 N=18, Poly I:C = 1.30 ± 0.50 N=14), Il6 (Ctrl = 1.00 ± 0.27 N=7, Poly I:C = 2.40 ± 0.70 N=8) mRNAs. J. qPCR analyses of GD9+6h female embryos for: Il1α (Ctrl = 1.00 ± 0.93 N=6, Poly I:C = 0.03 ± 0.00 N=4), Il1β (Ctrl = 1.00 ± 0.61 N=5, Poly I:C = 0.17 ± 0.04 N=7), Il1rn (Ctrl = 1.00 ± 0.25 N=9, Poly I:C = 0.33 ± 0.11 N=7), Il6 (Ctrl = 1.00 ± 0.48 N=7, Poly I:C = 0.59 ± 0.24 N=5) mRNAs. K. qPCR analyses of E17 female cortices for: Il1α (Ctrl = 1.00 ± 0.31 N=5, Poly I:C = 1.38 ± 0.20 N=12), Il1β (Ctrl = 1.00 ± 0.30 N=5, Poly I:C = 1.05 ± 0.35 N=7), Il1rn (Ctrl = 1.00 ± 0.55 N=6, Poly I:C = 0.45 ± 0.22 N=6), Il6 (Ctrl = 1.00 ± 0.26 N=7, Poly I:C = 0.94 ± 0.14 N=8) mRNAs. L. qPCR analyses of P90 female cortices for Il1α (Ctrl = 1.00 ± 0.08 N=5, Poly I:C = 1.32 ± 0.11 N=9), Il1β (Ctrl = 1.00 ± 0.13 N=5, Poly I:C = 0.65 ± 0.09 N=8), Il1rn (Ctrl = 1.00 ± 0.61 N=4, Poly I:C = 0.85 ± 0.29 N=7), Il6 (Ctrl = 1.00 ± 0.11 N=9, Poly I:C = 1.28 ± 0.20 N=20) mRNAs. Values are normalized over control (dashed line). Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N). Bars represent mean ± SEM.


M . ELISA of total TGF - β1 in E17 brains as pg / mL ( Ctrl = 132 . 6 ± 18 . 14 , Poly I : C = 129 . 6 ± 8 . 62 ) . N . ELISA of active free TGF - β1 in E17 brains as pg / mL ( Ctrl = undetectable , Poly I : C = 0 . 92 ± 0 . 25 ) . O . ELISA of total TGF - β1 in E17 brains as pg / mL ( Ctrl = 177 . 6 ± 10 . 88 , Poly I : C = 134 . 4 ± 13 . 59 ) . P . ELISA of active free TGF - β1 in E17 brains as pg / mL ( undetectable ) . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Ctrl = bars with purple border . Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) . Bars represent mean ± .

O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-MEASURED_VAR I-MEASURED_VAR I-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O

M. ELISA quantification of total TGF-β1 in E17 male embryos brains as pg/mL (Ctrl = 132.6 ± 18.14, Poly I:C = 129.6 ± 8.62). N. ELISA quantification of active free TGF-β1 in E17 male embryos brains as pg/mL (Ctrl = undetectable, Poly I:C = 0.92 ± 0.25). O. ELISA quantification of total TGF-β1 in E17 female embryos brains as pg/mL (Ctrl = 177.6 ± 10.88, Poly I:C = 134.4 ± 13.59). P. ELISA quantification of active free TGF-β1 in E17 female embryos brains as pg/mL (undetectable). Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N). Bars represent mean ± SEM.


Q - S . Western Blotting of SMAD in E17 cortices for ( Q ) pSMAD1 - 5 ( Ctrl = 0 . 99 ± 0 . 21 , Poly I : C = 2 . 67 ± 0 . 46 ) ; Mann - Whitney U , * p < . 05 , ( R ) pSMAD2 ( Ctrl = 1 . 00 ± 0 . 04 , Poly I : C = 0 . 88 ± 0 . 24 ) , ( S ) SMAD4 ( Ctrl = 1 . 00 ± 0 . 12 , Poly I : C = 0 . 96 ± 0 . 21 ) . were normalized to GAPDH . T - V . Western Blotting of SMAD in E17 cortices for ( T ) pSMAD1 - 5 ( Ctrl = 1 . 00 ± 0 . 02 , Poly I : C = 0 . 70 ± 0 . 18 ) , ( U ) pSMAD2 ( Ctrl = 1 . 00 ± 0 . 01 , Poly I : C = 1 . 09 ± 0 . 12 ) , ( V ) SMAD4 ( Ctrl = 1 . 00 ± 0 . 16 , Poly I : C = 1 . 46 ± 0 . 57 . were normalized to GAPDH . Data information : Ctrl = bars with blu border . Poly I : C = blu bars with blu border . Ctrl = bars with purple border . Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O B-MEASURED_VAR O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O

Q-S. Western Blotting quantification of SMAD proteins in E17 male cortices for (Q) pSMAD1-5 (Ctrl = 0.99 ± 0.21, Poly I:C = 2.67 ± 0.46); Mann-Whitney U test, *p < .05, (R) pSMAD2 (Ctrl = 1.00 ± 0.04, Poly I:C = 0.88 ± 0.24), (S) SMAD4 (Ctrl = 1.00 ± 0.12, Poly I:C = 0.96 ± 0.21). Protein levels were normalized to GAPDH. T-V. Western Blotting quantification of SMAD proteins in E17 female cortices for (T) pSMAD1-5 (Ctrl = 1.00 ± 0.02, Poly I:C = 0.70 ± 0.18), (U) pSMAD2 (Ctrl = 1.00 ± 0.01, Poly I:C = 1.09 ± 0.12), (V) SMAD4(Ctrl = 1.00 ± 0.16, Poly I:C = 1.46 ± 0.57. Protein levels were normalized to GAPDH. Data information: Ctrl males = white bars with blu border. Poly I:C males = blu bars with blu border. Ctrl females = white bars with purple border. Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N). Bars represent mean ± SEM.


A . TEER of in vitro BBB models composed by a monolayer of ECs sorted from E17 Ctrl ( 1 . 00 ± 0 . 02 ) , Poly I : C ( 0 . 92 ± 0 . 04 ) , Ctrl ( 1 . 15 ± 0 . 04 ) , Poly I : C ( 1 . 00 ± 0 . 07 ) offspring . Data are normalized to Ctrl . Data information : prenatally exposed to vehicle ( Ctrl ) or Poly I : C on GD9 were dissected , cortex derived vascular were used to build in - vitro barrier models . derived from Ctrl = bars with blu border . derived from Poly I : C = blu bars with blu border . derived from Ctrl = bars with purple border . derived from Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) or independent cultures / pictures . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O

A. TEER of the in vitro BBB models composed by a monolayer of ECs sorted from E17 Male Ctrl (1.00 ± 0.02), Male Poly I:C (0.92 ± 0.04), Female Ctrl (1.15 ± 0.04), Female Poly I:C (1.00 ± 0.07) offspring. Data are normalized to male Ctrl. Data information: Embryos prenatally exposed to vehicle (Ctrl) or Poly I:C on GD9 were dissected, and cortex derived vascular cells were used to build in-vitro barrier models. Cells derived from Ctrl males = white bars with blu border. Cells derived from Poly I:C males = blu bars with blu border. Cells derived from Ctrl females = white bars with purple border. Cells derived from Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) or independent cultures/pictures. Bars represent mean ± SEM.


B . Permeability to 10 kDa Dextran of in vitro BBB models composed by a monolayer of sorted ECs from Ctrl ( 1 . 00 ± 0 . 06 ) , Poly I : C ( 1 . 13 ± 0 . 02 ) , Ctrl ( 0 . 97 ± 0 . 05 ) , Poly I : C ( 0 . 95 ± 0 . 01 ) offspring . Mann - Whitney U , * p < . 05 . Data are normalized to Ctrl . Data information : prenatally exposed to vehicle ( Ctrl ) or Poly I : C on GD9 were dissected , cortex derived vascular were used to build in - vitro barrier models . derived from Ctrl = bars with blu border . derived from Poly I : C = blu bars with blu border . derived from Ctrl = bars with purple border . derived from Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) or independent cultures / pictures . Bars represent mean ± .

O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O

B. Permeability to 10 kDa Dextran of the in vitro BBB models composed by a monolayer of sorted ECs from Male Ctrl (1.00 ± 0.06), Male Poly I:C (1.13 ± 0.02), Female Ctrl (0.97 ± 0.05), Female Poly I:C (0.95 ± 0.01) offspring. Mann-Whitney U test, *p < .05. Data are normalized to male Ctrl. Data information: Embryos prenatally exposed to vehicle (Ctrl) or Poly I:C on GD9 were dissected, and cortex derived vascular cells were used to build in-vitro barrier models. Cells derived from Ctrl males = white bars with blu border. Cells derived from Poly I:C males = blu bars with blu border. Cells derived from Ctrl females = white bars with purple border. Cells derived from Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) or independent cultures/pictures. Bars represent mean ± SEM.


C . TEER of barriers composed of bEND . 3 alone ( 1 . 00 ± 0 . 00 ) or co - cultured with sorted PCs from Ctrl ( 1 . 17 ± 0 . 07 ) , Poly I : C ( 0 . 95 ± 0 . 05 ) , Ctrl ( 1 . 15 ± 0 . 08 ) , Poly I : C ( 1 . 15 ± 0 . 08 ) offspring . Mann - Whitney U , * p < . 05 . Data are normalized to bEnd . 3 . Data information : prenatally exposed to vehicle ( Ctrl ) or Poly I : C on GD9 were dissected , cortex derived vascular were used to build in - vitro barrier models . derived from Ctrl = bars with blu border . derived from Poly I : C = blu bars with blu border . derived from Ctrl = bars with purple border . derived from Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) or independent cultures / pictures . Bars represent mean ± .

O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O

C. TEER of barriers composed of bEND.3 alone (1.00 ± 0.00) or co-cultured with sorted PCs from Male Ctrl (1.17 ± 0.07), Male Poly I:C (0.95 ± 0.05), Female Ctrl (1.15 ± 0.08), Female Poly I:C (1.15 ± 0.08) offspring. Mann-Whitney U test, *p < .05. Data are normalized to bEnd.3. Data information: Embryos prenatally exposed to vehicle (Ctrl) or Poly I:C on GD9 were dissected, and cortex derived vascular cells were used to build in-vitro barrier models. Cells derived from Ctrl males = white bars with blu border. Cells derived from Poly I:C males = blu bars with blu border. Cells derived from Ctrl females = white bars with purple border. Cells derived from Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) or independent cultures/pictures. Bars represent mean ± SEM.


D . Permeability to 10 kDa Dextran of barriers composed by a monolayer of bEND . 3 alone ( 1 . 00 ± 0 . 06 ) or co - cultured with sorted PCs from Ctrl ( 0 . 47 ± 0 . 09 ) , Poly I : C ( 0 . 46 ± 0 . 07 ) , Ctrl ( 0 . 46 ± 0 . 11 ) , Poly I : C ( 0 . 65 ± 0 . 05 ) offspring . One sample t , * * p < . 01 . Data are normalized to bEnd . 3 . Data information : prenatally exposed to vehicle ( Ctrl ) or Poly I : C on GD9 were dissected , cortex derived vascular were used to build in - vitro barrier models . derived from Ctrl = bars with blu border . derived from Poly I : C = blu bars with blu border . derived from Ctrl = bars with purple border . derived from Poly I : C = purple bars with purple border . Numbers in bars indicate number of ( N ) or independent cultures / pictures . Bars represent mean ± .

O O O O O O B-MEASURED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O

D. Permeability to 10 kDa Dextran of barriers composed by a monolayer of bEND.3 alone (1.00 ± 0.06) or co-cultured with sorted PCs from Male Ctrl (0.47 ± 0.09), Male Poly I:C (0.46 ± 0.07), Female Ctrl (0.46 ± 0.11), Female Poly I:C (0.65 ± 0.05) offspring. One sample t test, **p < .01. Data are normalized to bEnd.3. Data information: Embryos prenatally exposed to vehicle (Ctrl) or Poly I:C on GD9 were dissected, and cortex derived vascular cells were used to build in-vitro barrier models. Cells derived from Ctrl males = white bars with blu border. Cells derived from Poly I:C males = blu bars with blu border. Cells derived from Ctrl females = white bars with purple border. Cells derived from Poly I:C females = purple bars with purple border. Numbers in bars indicate the number of animals (N) or independent cultures/pictures. Bars represent mean ± SEM.


E . TEER ( Ω . cm2 ) was monitored over 72h treatment with TGF - β1 normalized to baseline in BBB models composed by a monolayer of sorted ECs from ( 72h TGF - β1 = 82 . 85 ± 1 . 56 ) or ( 72h TGF - β1 = 85 . 92 ± 2 . 03 ) . insert shows values at 72h ( bars ) normalized to 0h values ( dashed ) . One sample t , * * * p < . 001 , * * * * p < . 0001 . Data information : prenatally exposed to vehicle ( Ctrl ) or Poly I : C on GD9 were dissected , cortex derived vascular were used to build in - vitro barrier models . In Fig . 3 E blue purple dotted lines represent derived from brain respectively .

O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR I-CONTROLLED_VAR O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O

E. TEER (Ω.cm2) was monitored over 72h treatment with TGF-β1 and normalized to baseline in BBB models composed by a monolayer of sorted ECs from Male (72h TGF-β1 = 82.85 ± 1.56) or Female (72h TGF-β1 = 85.92 ± 2.03) embryos. The insert shows the values at 72h (bars) normalized to the 0h values (dashed line). One sample t test, ***p < .001, ****p < .0001. Data information: Embryos prenatally exposed to vehicle (Ctrl) or Poly I:C on GD9 were dissected, and cortex derived vascular cells were used to build in-vitro barrier models. In Fig.3 E blue and purple dotted lines represent cells derived from male and female brain respectively.