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Published in: Medical Oncology 1/2012

01-03-2012 | Original paper

Interleukin-8 is associated with adhesion, migration and invasion in human gastric cancer SCG-7901 cells

Authors: Dawei Ju, Dazhi Sun, Lijuan Xiu, Xianze Meng, Cian Zhang, Pinkang Wei

Published in: Medical Oncology | Issue 1/2012

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Abstract

Interleukin-8 is known as an important chemokine involved in tumor angiogenesis and progression. Overexpression of interleukin-8 has been detected in a variety of human tumors, including gastric cancer, and is negatively correlated with prognosis. The aim of our study is to determine the effects of interleukin-8 on proliferation, adhesion, migration and invasion abilities and correlated molecular mechanisms in gastric cancer. We made recombinant interleukin-8 ranged from 0 ng/ml to 100 ng/ml interferes in human gastric cancer SCG-7901 cells in vitro. The results shown that interleukin-8 did not change cell proliferation, but promoted cell adhesion to endothelial cell and extracellular matrix components (collagen, laminin and fibronectin) as detected by Cell Counting Kit-8. And it induced migration and invasion ability based on scratch and transwell-chamber assays. Also, interleukin-8 regulated the protein and mRNA expression of matrix metalloproteinase-9, intercellular adhesion molecule-1 and E-cad and there was obviously a dose-dependent relationship, but the protein or mRNA expression of matrix metalloproteinase-2 was not obviously changed under the tested conditions. Our findings indicate that interleukin-8 is associated with adhesion, migration and invasion in gastric cancer and the regulation of matrix metalloproteinase-9, intercellular adhesion molecule-1 and E-cad expression is one of the potential molecule mechanisms. The studies imply interleukin-8 may be an alternative treatment strategy against gastric cancer.
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Metadata
Title
Interleukin-8 is associated with adhesion, migration and invasion in human gastric cancer SCG-7901 cells
Authors
Dawei Ju
Dazhi Sun
Lijuan Xiu
Xianze Meng
Cian Zhang
Pinkang Wei
Publication date
01-03-2012
Publisher
Springer US
Published in
Medical Oncology / Issue 1/2012
Print ISSN: 1357-0560
Electronic ISSN: 1559-131X
DOI
https://doi.org/10.1007/s12032-010-9780-0

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