TESTOSTERONE INCREASES LIPOLYSIS AND THE NUMBER OF BETA-ADRENOCEPTORS IN MALE-RAT ADIPOCYTES

被引:177
作者
XU, XF [1 ]
DEPERGOLA, G [1 ]
BJORNTORP, P [1 ]
机构
[1] GOTHENBURG UNIV,SAHLGRENS HOSP,DEPT MED,S-41345 GOTHENBURG,SWEDEN
关键词
D O I
10.1210/endo-128-1-379
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The influence of androgen status on the regulation of lipolysis and number of beta-adrenoceptors in isolated adipocytes was studied in male rats. Castration resulted in decreased catecholamine-induced as well as forskolin-induced lipolysis. beta-adrenoceptor number, examined by a whole cell cyanopindolol binding assay, was also diminished to a similar extent. Testosterone treatment of castrated rats normalized lipolysis as well as beta-adrenoceptor number. These results demonstrate that testosterone stimulates catecholamine-induced lipolysis in vivo by increasing the number of beta-adrenoceptors as well as the activity of adenylate cyclase, confirming previous in vitro studies performed in adipose precursor cells.
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页码:379 / 382
页数:4
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