Hormonal response of the bodies of cosmonauts after completion of brief space flights

Tigranyan, R.A.; Kalita, N.F.; Kiseleva, T.A.; Ivanov, V.M.; Kolchina, E.V.; Afonin, B.V.

Kosmicheskaia Biologiia i Aviakosmicheskaia Meditsina 21(3): 32-35

1987


ISSN/ISBN: 0321-5040
PMID: 3039247
Document Number: 288446
After short-term (7-day) space flights the following parameters were measured in blood of cosmonauts: cortisol, ACTH, aldosterone, thyrotropic hormone, thyroxine, triiodothyronine, somatotropic hormone, insulin, testosterone cyclic nucleotides, prostaglandins, activities of the kallikrein-kinin, fibrinolytic and coagulatory systems, and plasma renin activity; in addition, renal excretion of aldosterone and total 17-oxycorticosteroids were determined. It was demonstrated that after the short-term flights the acute period of adaptation was accompanied by a moderate activation of the renin-angiotensin-aldosterone system, adrenal glucocorticoid function, pancreatic insular apparatus, kallikrein-kinin system as well as increased cyclic AMP which is suggestive of a moderately expressed stress-reaction.

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