Proteomic analysis of differential proteins in pancreatic carcinomas: Effects of MBD1 knock-down by stable RNA interference.

Abstract:

BACKGROUND:Methyl-CpG binding domain protein 1 (MBD1), a suppressor of gene transcription, may be involved in inactivation of tumor suppressor genes during tumorigenesis. Over-expression of MBD1 has been reported in human pancreatic carcinomas. METHODS:In this study, we established a MBD1-knock-down pancreatic cancer cell line (BxPC-3) using stable RNA interference, to compare the proteomic changes between control and MBD1-knock-down cells using two-dimensional gel electrophoresis and mass spectrometry. RESULTS:We identified five proteins that were up-regulated and nine proteins that were down-regulated. Most of the identified proteins are involved in tumorigenesis, some are prognostic biomarkers for human malignant tumors. CONCLUSION:Our data suggest that these differential proteins may be associated with the function of MBD1, and provide some insight into the functional mechanism of MBD1 in the development of pancreatic cancer.

journal_name

BMC Cancer

journal_title

BMC cancer

authors

Liu C,Chen Y,Yu X,Jin C,Xu J,Long J,Ni Q,Fu D,Jin H,Bai C

doi

10.1186/1471-2407-8-121

subject

Has Abstract

pub_date

2008-04-29 00:00:00

pages

121

issn

1471-2407

pii

1471-2407-8-121

journal_volume

8

pub_type

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