Anti-apoptotic role of HIF-1 and AP-1 in paclitaxel exposed breast cancer cells under hypoxia

Abstract excerpt

BACKGROUND: Hypoxia is a hallmark of solid tumors and is associated with metastases, therapeutic resistance and poor patient survival. RESULTS: In this study, we showed that hypoxia protected MDA-MB-231 breast cancer cells against paclitaxel- but not epirubicin-induced apoptosis. The possible implication of HIF-1 and AP-1 in the hypoxia-induced anti-apoptotic pathway was investigated by the use of specific siRNA....

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