Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins.

Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins. Research Abstract Details 

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Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins. Abstract Text:

Liang Zhao,Li Liu,Shuang Wang,Yan-fei Zhang,Li Yu,Yan-qing Ding,Liang Zhao,Li Liu,Shuang Wang,Yan-fei Zhang,Li Yu,Yan-qing Ding,

PURPOSE: Metastasis is a common phenomenon and the major lethal cause of colorectal carcinoma (CRC). To better comprehend the mechanism underlying CRC metastasis and to search for potential markers for predicting CRC metastasis, two CRC cell lines with different metastatic potentials, SW480 and SW620, were investigated by phenotypic analyses and proteomics technologies. METHODS: The surgical orthotopic implantation (SOI) technique was originally used to develop a reproducible colorectal cancer model in nude mice with stable tumor growth and metastasizing course. Furthermore, differential proteome analysis of two CRC cell lines was conducted using two-dimensional (2-D) gel electrophoresis combined with matrix-assisted laser desorption/time of flight (MALDI-TOF) mass spectrometry. RESULTS: Among the differential spots, 12 protein spots (11 proteins) were further identified using in-gel tryptic digestion and peptide mass fingerprinting (PMF). Interestingly, most of these proteins we identified have been reported to be associated with distinct aspect of tumor metastasis to some extent. Our immunohistochemistry assays of colorectal cancer revealed that heat shock protein (HSP) 27 overexpression relates to metastatic behavior of CRC cell. CONCLUSIONS: The protein profile between two colorectal cell lines with different potential metastasis displayed obvious differences. The results imply that various different proteins may lead to CRC metastasis together. HSP27 overexpression played an important role in metastasis and progression of CRC.

Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins. Publishing Authors By Initials

L Zhao,L Liu,S Wang,YF Zhang,L Yu,YQ Ding,L Zhao,L Liu,S Wang,YF Zhang,L Yu,YQ Ding,

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Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of cancer research and clinical oncology

VOLUME: 133

Page Numbers: 771-82

Journal Abbreviation: J. Cancer Res. Clin. Oncol.

ISSN: 0171-5216

DAY: 15

MONTH: 05

YEAR: 2007

Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins. Information

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LANGUAGE: eng

NlmUniqueID: 7902060

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Grant and Affiliation Information for Differential proteomic analysis of human colorectal carcinoma cell lines metastasis-associated proteins.

AFFILIATION: Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, China.

Country: Germany

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MEDLINETA: J Cancer Res Clin Oncol

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