Involvement of alpha6beta4 integrin in the mechanisms that regulate breast cancer progression.

Breast Cancer Res 2007 ;9(1):203

Regina Elena Cancer Institute, Department of Experimental Oncology, Molecular Oncogenesis Laboratory, Via delle Messi d'Oro, 00158 Rome, Italy.

Integrin alpha6beta4 is mostly expressed in epithelial tissues and endothelial and Schwann cells. Expression of alpha6beta4 is increased in many epithelial tumours, implicating its involvement in tumour malignancy. Moreover, this integrin activates several key signalling molecules in carcinoma cells, but its ability to activate the phosphatidylinositol 3-kinase/Akt pathway is among the mechanisms by which alpha6beta4 integrin regulates tumour behaviour. In this review we discuss the biological and clinical features of alpha6beta4 integrin that allow it to promote tumour survival and progression of mammary tumours.

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Source
http://dx.doi.org/10.1186/bcr1651DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1851390PMC
May 2007

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