The influence of testosterone on activity of glycosidases and proteinases in the intestine of the sterlet (Acipenser ruthenus) |
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| Authors: | V V Kuz’mina E M Semenova P V Rusanova D V Mikryakov |
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| Institution: | 1. Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Yaroslavl oblast, 152742, Russia
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| Abstract: | Observation of the influence of testosterone (0.7 mg/kg) on the activity of glycosidases and proteinases, which function in
the chyme and the mucosa of the sterlet intestine (Acipenser ruthenus), revealed a decrease in enzyme activity of both chains as against that one typical for intact individuals. The activity
of the investigated enzymes changes in both the experimental and control groups of fish. Nevertheless, they have unlike dynamics
of this activity. In a number of cases, we indicated a significant increase in enzyme activity of both chains in comparison
to the control group. We also observed an increase in activity of chyme glycosidases, which was significant on the 21st day
as compared to intact fish. |
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