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Zhonghua Nan Ke Xue. 2012 Jul;18(7):583-9.

[Nuclear matrix proteins differentially expressed in human prostate cancer cell lines and benign prostatic hyperplasia epithelial cell line].

[Article in Chinese]

Author information

1
Graduate School, Peking Union Medical College, Beijing 100730, China.

Abstract

OBJECTIVE:

To compare the expression of nuclear matrix proteins (NMPs) in benign prostatic hyperplasia (BPH) epithelial cell line BPH-1 versus those in androgen-dependent human prostate cancer cell line LNCap and androgen-independent prostate cancer cell line PC-3.

METHODS:

We isolated NMPs from the BPH-1, LNCap and PC-3 cell lines by 2-dimensional electrophoresis (2-DE), analyzed the differentially expressed proteins by matrix-assisted laser desorption / ionization time of flight mass spectrometry (MALDI-TOF-MS), and identified them by peptide mass fingerprint and database searching.

RESULTS:

We successfully obtained well-resolved reproducible 2-DE patterns of NMPs in human prostate cancer cell lines, identified 12 differentially expressed NMPs including enzymes, regulatory proteins, RNA-binding protein and various other factors, 3 up-regulated and 9 down-regulated in prostate cancer cell lines.

CONCLUSION:

There are obvious differences in the expressions of NMPs between human prostate cancer cell lines and benign prostatic hyperplasia epithelial cell line.

PMID:
22994041
[Indexed for MEDLINE]
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