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生长激素分泌的研究VIII. α,β-亚甲基三磷酸腺苷对前列腺素诱导的大鼠垂体前叶生长激素释放及环磷酸腺苷积累的影响

Studies of growth hormone secretion VIII. Effects of alpha,beta-methylene-ATP on prostglandin induced GH release and cyclic AMP accumlation in rat anterior pituitary glands.

作者信息

Hertelendy F, Yeh M

出版信息

Prostaglandins. 1976 Feb;11(2):285-91. doi: 10.1016/0090-6980(76)90151-9.

DOI:10.1016/0090-6980(76)90151-9
PMID:178028
Abstract

Alpha, beta-methylene-ATP, a competitive inhibitor of adenylate cyclase of liver and fat cell membrane preparations, caused a dose related inhibition of PGE1 and PGE2-induced cyclic AMP accumulation in rat anterior pituitary explants. At the same time, this ATP analog potentiated PGE1 and PGE2-promoted growth hormone secretion. The possible functional role of prostaglandins and cyclic nucleotides in the regulation of growth hormone secretion remains to be defined.

摘要

α,β-亚甲基三磷酸腺苷是肝和脂肪细胞膜制剂中腺苷酸环化酶的竞争性抑制剂,它对大鼠垂体前叶外植体中前列腺素E1(PGE1)和前列腺素E2(PGE2)诱导的环磷酸腺苷(cAMP)积累产生剂量相关的抑制作用。同时,这种三磷酸腺苷类似物增强了PGE1和PGE2促进的生长激素分泌。前列腺素和环核苷酸在生长激素分泌调节中的可能功能作用仍有待确定。

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