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Androgenic sensitivity of polyamine-oxidizing enzyme activities in female rat tissues
1Department of Human and Animal Physiology, Faculty of Biology, University of Sofia St. Kliment Ohridski, Bulgaria.
Abstract:
Effects of testosterone (10 micrograms/100g body weight) on polyamine-oxidizing enzyme activities in female rat uterus, liver and kidney were demonstrated. Testosterone-treated rats exhibited 2.07 fold (p < 0.002) higher uterine polyamine oxidase (PAO) activity and 1.93 fold (p < 0.02) higher diamine oxidase (DAO) activity, as compared to the controls. In the liver, testosterone caused an elevation in PAO (1.39 fold, p < 0.05), but not in DAO activity, whereas in kidney the hormone stimulated DAO (1.30 fold, p < 0.05), but not PAO activity. The effects observed suggest a possible role for testosterone in the modulation of polyamine levels in the female organs studied and especially in uterus.