Expression of estrogen receptor-beta in human breast tumors

被引:198
作者
Dotzlaw, H
Leygue, E
Watson, PH
Murphy, LC
机构
[1] UNIV MANITOBA, DEPT BIOCHEM & MOL BIOL, WINNIPEG, MB R3E 0W3, CANADA
[2] UNIV MANITOBA, DEPT PATHOL, WINNIPEG, MB R3E 0W3, CANADA
关键词
D O I
10.1210/jc.82.7.2371
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The expression of a recently described novel estrogen receptor, ER-beta, was detected in several human breast tumor biopsy samples and several human breast epithelial cell lines using reverse transcription and polymerase chain reaction (RT-PCR) analysis. Cloning and sequencing of the PCR product from a breast tumor confirmed the identity of the sequence with that of the ER-beta mRNA previously reported in human testis. The expression of ER-beta was not correlated with that of ER-alpha, and both ER-alpha positive and ER-alpha negative cell lines expressed ER-beta mRNA. However, some breast tumors and some cell lines coexpress ER-beta and ER-alpha mRNA. Our data support a possible role for ER-beta in human breast cancer.
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收藏
页码:2371 / 2374
页数:4
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