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Age-dependent response of lactate dehydrogenase of pituitary of rat to testosterone

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Summary

The effects of time and various doses of testosterone on the responsiveness of lactate dehydrogenase of pituitary of 7-, 38- and 78-week-old rats were studied. The activity of the enzyme increases in 78-week-old rats. Castration decreases the enzyme activity at all ages. Maximum increase in the enzyme activity is seen with 50 and 100 μg of testosterone 4 h after administration of hormone to castrated rats. No further time and dose-dependent effect is observed. The magnitude of increase for the enzyme is higher at the age of 38 weeks and decreases in 78-week-old rats.

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Authors and Affiliations

  1. Biochemistry Laboratory, Department of Zoology, Banaras Hindu University, 221005, Varanasi, India

    K. V. Giri & S. N. Singh

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  1. K. V. Giri
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  2. S. N. Singh
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To whom all correspondence should be addressed. The authors are grateful to Professor M.S. Kanungo, Biochemistry Laboratory, Department of Zoology, Banaras Hindu University for the suggestions and encouragement. K.V.G. thanks the PL-480 for a research fellowship.

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Giri, K.V., Singh, S.N. Age-dependent response of lactate dehydrogenase of pituitary of rat to testosterone. Experientia 34, 1270–1271 (1978). https://doi.org/10.1007/BF01981410

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