The expression of prostatic acid phosphatase is transcriptionally regulated in human prostate carcinoma cells.

Abstract:

:The expression of prostatic acid phosphatase (PAcP) in three human prostate carcinoma cell lines including LNCaP, DU 145 and PC-3, was studied to explore its potential role as a marker in the progression of prostate cancer. Although Southern blot analysis suggested the presence of PAcP gene in all three prostate carcinoma cell lines, the Northern blot analysis and the reverse transcriptase-polymerase chain reaction (RT-PCR) assay showed that PAcP mRNA can be detected only in LNCaP cells. As one of the major differences between LNCaP cells and PC-3 as well as DU 145 cells is the androgen-sensitivity of LNCaP cells, we then focused on the influence of PAcP expression by the presence of androgen receptor (AR) in human AR cDNA-transfected PC-3 cells and high passages of LNCaP cells. The results demonstrated that the transfection of human AR cDNA into PC-3 cells did not have any detectable effect on the expression of PAcP. Further, in LNCaP cells, while the level of PAcP mRNA diminished upon passage, the AR mRNA level remained approximately the same. Together, these data suggested that the differential expression of PAcP in different prostate carcinoma cells including high passages of LNCaP cells may occur at the transcriptional level and may have little linkage to the expression of AR.

journal_name

Mol Cell Endocrinol

authors

Garcia-Arenas R,Lin FF,Lin D,Jin LP,Shih CC,Chang C,Lin MF

doi

10.1016/0303-7207(95)03544-h

subject

Has Abstract

pub_date

1995-04-28 00:00:00

pages

29-37

issue

1

eissn

0303-7207

issn

1872-8057

pii

030372079503544H

journal_volume

111

pub_type

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