RAT PINEAL GS-ALPHA, GI-ALPHA AND GO-ALPHA - RELATIVE ABUNDANCE AND DEVELOPMENT

被引:13
作者
BABILA, T [1 ]
SCHAAD, NC [1 ]
KLEIN, DC [1 ]
机构
[1] NICHHD,DEV NEUROBIOL LAB,NEUROENDOCRINOL SECT,BETHESDA,MD 20892
关键词
GS; GI; GO; GTP-BINDING PROTEIN; PINEAL; DEVELOPMENT;
D O I
10.1016/0006-8993(92)90474-N
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The adult rat pineal gland contains relatively high concentrations of Gs-alpha, low amounts of both Gi-alpha and Go-alpha, and undetectable levels of GT-alpha. During development the amounts of 45 kDa Gs-alpha and of Gi-alpha remain constant. In contrast, 42 kDa Gs-alpha and Go-alpha are nearly absent at birth and increase in abundance markedly thereafter. GT-alpha is undetectable at any age. It would appear that multiple mechanisms regulate the expression of G-proteins in the pineal gland.
引用
收藏
页码:232 / 235
页数:4
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