HIF‐1α and HIF‐2α have divergent roles in colon cancer

Abstract excerpt

Hypoxia-inducible factor (HIF)-1 and HIF-2 are heterodimeric transcription factors that mediate the cellular response to hypoxia. Their key regulatory subunits, HIF-1alpha and HIF-2alpha, are induced similarly by hypoxia, but their functional roles in cancer may be distinct and isoform-specific. SW480 colon cancer cells with stable expression of siRNA to HIF-1alpha or HIF-2alpha or both were established....

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