The effect of estrogen on brown adipose tissue activity in male rats.

Autor: Sievers, W., Kettle, C., Green, R. A., Van Schaik, L., Hale, M. W., Irving, H. R., Whelan, D. R., Rathner, J. A.
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Zdroj: BMC Research Notes; 2/8/2022, Vol. 15 Issue 1, p1-7, 7p
Abstrakt: Objective: Centrally administered estrogen can increase sympathetic nerve activity to brown adipose tissue, resulting in thermogenesis. The central thermogenic effects of estrogen have not been investigated in males. Therefore, this study sought to investigate the effects of peripherally and centrally administered estrogen on thermogenesis, heart rate and mean arterial pressure in male rats. Thermogenesis was assessed by monitoring brown adipose tissue temperature. Results: Peripherally administered estrogen elicited no significant effect on brown adipose tissue temperature, heart rate or mean arterial pressure. Centrally administered estrogen elicited a coincident increase in both brown adipose tissue and core temperature. Centrally administered estrogen also resulted in a decrease in mean arterial pressure but had no effect on heart rate. With the present data it is not possible to elucidate whether changes in temperature were the result of thermogenic or thermoregulatory mechanisms. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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