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Expression of the BRK tyrosine kinase in mammary epithelial cells enhances the coupling of EGF signalling to PI 3-kinase and Akt, via erbB3 phosphorylation
A high proportion of human breast cancers, in contrast with normal mammary tissue, express the intracellular tyrosine kinase BRK. BRK expression enhances the mitogenic response of mammary epithelial cells to e...