[Effect of corticotropin on functional and metabolic processes in muscles].
Changes of excitability, contractility, temperature, activity of oxydation-reduction enzymes, pyridine nucleotides, and of free fatty acids were studied in m. m. gastrocnemii of rabbits and rats during activity, after administration of 1 unit per 100 g of corticotropin (ACTH). Within 30 min after administration, the ACTH did not alter the excitability of a neural-muscular system but increased its efficiency by means of stimulation of the free fatty acids usage. Besides, the ACTH elicits no regular changes of the oxydation--reduction enzymes activity during a short-lasting muscular activity. Its regulating effect on the metabolic processes in muscles is realised at the level of anaerobic processes.
[Effect of corticotropin on functional and metabolic processes in muscles]. Changes of excitability, contractility, temperature, activity of oxydation-reduction enzymes, pyridine nucleotides, and of free fatty acids were studied in m. m. gastrocnemii of rabbits and rats during activity, after administration of 1 unit per 100 g of corticotropin (ACTH). Within 30 min after administration, the ACTH did not alter the excitability of a neural-muscular system but increased its efficiency by means of stimulation of the free fatty acids usage. Besides, the ACTH elicits no regular changes of the oxydation--reduction enzymes activity during a short-lasting muscular activity. Its regulating effect on the metabolic processes in muscles is realised at the level of anaerobic processes.