作者
Farida Sohrabji, Lloyd A Greene, Rajesh C Miranda, C Dominique Toran‐Allerand
发表日期
1994/8
期刊
Journal of neurobiology
卷号
25
期号
8
页码范围
974-988
出版商
Wiley Subscription Services, Inc., A Wiley Company
简介
Recent work has shown that estrogen receptor mRNA and protein co‐localize with neurotrophin receptor systems in the developing basal forebrain. In the present study we examined the potential for reciprocal regulation of estrogen and neurotrophin receptor systems by their ligands in a prototypical neurotrophin target, the PC12 cell. using in situ hybridization histochemistry, RT‐PCR and a modified nuclear exchange assay, we found both estrogen receptor mRNA and estrogen binding in PC12 cells. Moreover, while estrogen binding was relatively low in naive PC12 cells, long‐term exposure to NGF enhanced estrogen binding in these cells by sixfold. Furthermore, concurrent exposure to estrogen and NGF receptor mRNAs deifferentially regulated the expression of the two NGF receptor mRNAs. The expression of trkA mRNA was up‐regulated, while p75NGFR mRNA was down‐regulated transiently. The …
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F Sohrabji, LA Greene, RC Miranda… - Journal of neurobiology, 1994