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CLC number: R735.3+5

On-line Access: 2012-02-29

Received: 2011-08-17

Revision Accepted: 2011-11-30

Crosschecked: 2011-12-14

Cited: 7

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Journal of Zhejiang University SCIENCE B 2012 Vol.13 No.3 P.159-167

http://doi.org/10.1631/jzus.B1100266


Proteomic analysis of primary colon cancer-associated fibroblasts using the SELDI-ProteinChip platform


Author(s):  Zhan-huai Wang, Ke-feng Ding, Jie-kai Yu, Xiao-hui Zhai, Shu-qin Ruan, Shan-wei Wang, Yong-liang Zhu, Shu Zheng, Su-zhan Zhang

Affiliation(s):  Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), the Second Affiliated Hospital School of Medicine, Zhejiang University, Hangzhou 310009, China; more

Corresponding email(s):   Suzhan.zhang@hotmail.com

Key Words:  Colon cancer, Cancer microenvironment, Cancer-associated fibroblasts, Proteomics, Surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF-MS)


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Zhan-huai Wang, Ke-feng Ding, Jie-kai Yu, Xiao-hui Zhai, Shu-qin Ruan, Shan-wei Wang, Yong-liang Zhu, Shu Zheng, Su-zhan Zhang. Proteomic analysis of primary colon cancer-associated fibroblasts using the SELDI-ProteinChip platform[J]. Journal of Zhejiang University Science B, 2012, 13(3): 159-167.

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author="Zhan-huai Wang, Ke-feng Ding, Jie-kai Yu, Xiao-hui Zhai, Shu-qin Ruan, Shan-wei Wang, Yong-liang Zhu, Shu Zheng, Su-zhan Zhang",
journal="Journal of Zhejiang University Science B",
volume="13",
number="3",
pages="159-167",
year="2012",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B1100266"
}

%0 Journal Article
%T Proteomic analysis of primary colon cancer-associated fibroblasts using the SELDI-ProteinChip platform
%A Zhan-huai Wang
%A Ke-feng Ding
%A Jie-kai Yu
%A Xiao-hui Zhai
%A Shu-qin Ruan
%A Shan-wei Wang
%A Yong-liang Zhu
%A Shu Zheng
%A Su-zhan Zhang
%J Journal of Zhejiang University SCIENCE B
%V 13
%N 3
%P 159-167
%@ 1673-1581
%D 2012
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1100266

TY - JOUR
T1 - Proteomic analysis of primary colon cancer-associated fibroblasts using the SELDI-ProteinChip platform
A1 - Zhan-huai Wang
A1 - Ke-feng Ding
A1 - Jie-kai Yu
A1 - Xiao-hui Zhai
A1 - Shu-qin Ruan
A1 - Shan-wei Wang
A1 - Yong-liang Zhu
A1 - Shu Zheng
A1 - Su-zhan Zhang
J0 - Journal of Zhejiang University Science B
VL - 13
IS - 3
SP - 159
EP - 167
%@ 1673-1581
Y1 - 2012
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1100266


Abstract: 
Objective: cancer-associated fibroblasts (CAFs) are one of the hallmarks of the cancer microenvironment. Recent evidence has indicated that CAFs are more competent in enhancing cancer cell growth and migration than normal fibroblasts. However, the unique protein expression of CAFs has not been fully elucidated. This study aims to investigate the characterizations of colon CAFs by comparing the differential protein expression between CAFs and normal fibroblasts. Methods: Primary fibroblasts were isolated from surgical specimen of human colon cancer and matched normal colonic tissue. Purity of the cell population was verified through immunostain analysis. Total cell lysates and conditioned media from each group of cells were extracted, and protein expression analysis was conducted using the surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF-MS) ProteinChip platform. Results: Most primary cells showed typical fibroblast-like features after two weeks. Increased proportion of α-smooth muscle actin-positive myofibroblasts was detected within the CAFs in four of the six pairs of primary cells. Fibroblast activation protein was weakly expressed in most cells without differences. Using SELDI-TOF-MS ProteinChip platform, four protein peaks mass over charge ratio (m/z) 1142, 3011, 4035, and 4945 were detected in the total cell lysates, and two protein peaks m/z 1368 and 1389 were detected in the conditioned media. The potential candidate proteins found in the Swiss-Prot database include morphogenetic neuropeptides, FMRFamide-related peptides, insulin-like growth factor II, thymosin β-4-like protein 3, and tight junction-associated protein 1. Conclusions: Using the SELDI-ProteinChip platform, differential protein expressions were identified in colon CAFs compared with normal colonic stromal fibroblasts. The complex proteomic alternations in colon CAFs may play important roles related to the colon cancer microenvironment.

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