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Mol Cell Biochem. 2010 Mar;336(1-2):65-74. doi: 10.1007/s11010-009-0256-5. Epub 2009 Oct 9.

Fibronectin-integrin mediated signaling in human cervical cancer cells (SiHa).

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  • 1Department of Receptor Biology and Tumor Metastasis, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata, 700026, West Bengal, India.

Abstract

Interaction between cell surface integrin receptors and extracellular matrix (ECM) components plays an important role in cell survival, proliferation, and migration, including tumor development and invasion of tumor cells. Matrix metalloproteinases (MMPs) are a family of metalloproteinases capable of digesting ECM components and are important molecules for cell migration. Binding of ECM to integrins initiates cascades of cell signaling events modulating expression and activity of different MMPs. The aim of this study is to investigate fibronectin-integrin-mediated signaling and modulation of MMPs. Our findings indicated that culture of human cervical cancer cell (SiHa) on fibronectin-coated surface perhaps sends signals via fibronectin-integrin-mediated signaling pathways recruiting focal adhesion kinase (FAK) extracellular signal regulated kinase (ERK), phosphatidyl inositol 3 kinase (PI-3K), integrin-linked kinase (ILK), nuclear factor-kappa B (NF-kappaB), and modulates expression and activation of mainly pro-MMP-9, and moderately pro-MMP-2 in serum-free culture medium.

PMID:
19816757
[PubMed - indexed for MEDLINE]
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