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Published in: Journal of Experimental & Clinical Cancer Research 1/2010

Open Access 01-12-2010 | Research

Coronin-1C is a novel biomarker for hepatocellular carcinoma invasive progression identified by proteomics analysis and clinical validation

Authors: Long Wu, Chun-Wei Peng, Jin-Xuan Hou, Yan-Hua Zhang, Chuang Chen, Liang-Dong Chen, Yan Li

Published in: Journal of Experimental & Clinical Cancer Research | Issue 1/2010

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Abstract

Background

To better search for potential markers for hepatocellular carcinoma (HCC) invasion and metastasis, proteomic approach was applied to identify potential metastasis biomarkers associated with HCC.

Methods

Membrane proteins were extracted from MHCC97L and HCCLM9 cells, with a similar genetic background and remarkably different metastasis potential, and compared by SDS-PAGE and identified by ESI-MS/MS. The results were further validated by western blot analysis, immunohistochemistry (IHC) of tumor tissues from HCCLM9- and MHCC97L-nude mice, and clinical specimens.

Results

Membrane proteins were extracted from MHCC97L and HCCLM9 cell and compared by SDS-PAGE analyses. A total of 14 differentially expressed proteins were identified by ESI-MS/MS. Coronin-1C, a promising candidate, was found to be overexpressed in HCCLM9 cells as compared with MHCC97L cells, and validated by western blot and IHC from both nude mice tumor tissues and clinical specimens. Coronin-1C level showed an abrupt upsurge when pulmonary metastasis occurred. Increasing coronin-1C expression was found in liver cancer tissues of HCCLM9-nude mice with spontaneous pulmonary metastasis. IHC study on human HCC specimens revealed that more patients in the higher coronin-1C group had overt larger tumor and more advanced stage.

Conclusions

Coronin-1C could be a candidate biomarker to predict HCC invasive behavior.
Appendix
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Metadata
Title
Coronin-1C is a novel biomarker for hepatocellular carcinoma invasive progression identified by proteomics analysis and clinical validation
Authors
Long Wu
Chun-Wei Peng
Jin-Xuan Hou
Yan-Hua Zhang
Chuang Chen
Liang-Dong Chen
Yan Li
Publication date
01-12-2010
Publisher
BioMed Central
Published in
Journal of Experimental & Clinical Cancer Research / Issue 1/2010
Electronic ISSN: 1756-9966
DOI
https://doi.org/10.1186/1756-9966-29-17

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