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Breast Cancer Res Treat. 1996;40(2):205-7.

Simultaneous expression of nitric oxide synthase and estrogen receptor in human breast cancer cell lines.

Author information

1
Department of Gynecology and Obstetrics, University of Vienna, Austria.

Abstract

For various human tumor cell lines (neuroblastoma, cervix carcinoma) the presence of constitutive nitric oxide synthase (cNOS) has been documented. Here, for the first time, we report about cNOS expression in 10 of 16 human breast cancer cell lines. cNOS expression correlates strongly with expression of estrogen receptor (ER). Competitive reverse transcription-polymerase chain reaction (cRT-PCR) was used to detect cNOS and ER mRNA expression. Our findings suggest that estradiol could stimulate constitutive NO release in breast tissue, where it acts as a free radical.

PMID:
8879687
DOI:
10.1007/bf01806216
[Indexed for MEDLINE]

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