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. 2009 Nov;11(11):2685–2700. doi: 10.1089/ars.2009.2695

FIG. 8.

FIG. 8.

mGSH depletion sensitizes tumor cells to hypoxia. HIF-1α stabilization and NF-κB activation participate in promoting survival of cancer cells under hypoxic conditions. However, overgeneration of mitochondrial ROS, as obtained after mGSH depletion, may sensitize tumor cells by inhibiting the NF-κB survival pathway, despite HIF stabilization.