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Requirements Of Rab5 Activity In Highly Invasive Breast Cancer Cell Lines, Nicole Porther, M Alejandro Barbieri Dec 2013

Requirements Of Rab5 Activity In Highly Invasive Breast Cancer Cell Lines, Nicole Porther, M Alejandro Barbieri

Nicole Porther

Rab5 expression in cancer has been associated with the disease progression and prognosis. We have previously shown that growth factor-directed cell invasion and migration was dependent on Rab5 activation in non-invasive breast cancer cells. However, hardly any data is available regarding the role of Rab5 in invasive cells in the presence of growth factor.  In our present study, we report that the invasive and migratory properties of the highly invasive breast cancer cell line, MDAMB-231, were abrogated in cells expressing the inactive (GDP-bound) form of Rab5 irrespective of growth factor stimulation; while the invasive potential of breast cancer cell lines ...