Peripheral serotonin and tryptophan levels in rats under progesterone long-term administration

A. Aleksandrov, V. Konopelniuk, L. Ostapchenko
Taras Shevchenko National University of Kyiv, Kyiv; Taras Shevchenko National University of Kyiv, Kyiv; Taras Shevchenko National University of Kyiv, Kyiv


Tryptophan and serotonin levels in duodenum mucosa and blood serum of rats under progesterone long-term administration have been determined. The studies show that tryptophan and the serotonin content increase in rats under progesterone long-term administration compared with control group of rats. Obtained data give evidence that biosynthetic pathway of serotonin, particularly, content of serotonin, is involved in the obesity development induced by progesterone long-term administration.


tryptophan, serotonin, progesterone, obesity

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