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Regulation of death promoter Bak expression by cell density and 17 beta-estradiol in MCF-7 cells.

Abstract：

:In the current study we examined the regulation of Bak, a death promoter of an apoptotic pathway, in the human breast cancer cell line MCF-7. We observed a time-dependent increase in both Bak mRNA and protein levels which appeared to correlate well with the increase in cell density. We also found that treatment of cells with 17beta-estradiol resulted in inhibition of the time-dependent increases in Bak mRNA and protein. The effects of estradiol appeared to be via estrogen receptor as treatment of cells with progesterone did not effect Bak expression. Our study provides additional molecular evidence for (1) a link between apoptosis pathways and cell-cell and/or cell-cell matrix interactions and (2) a role for estradiol in the modulation of signals between apoptosis pathways and cell-cell and/or cell-cell matrix interactions.

journal_name

Cancer Lett

journal_title

Cancer letters

authors

Leung LK,Do L,Wang TT

doi

10.1016/s0304-3835(97)00430-8

subject

Has Abstract

pub_date

1998-02-13 00:00:00

pages

47-52

issue

1

eissn

0304-3835

issn

1872-7980

pii

S0304-3835(97)00430-8

journal_volume

124

pub_type

杂志文章

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