Anoxia Is Necessary for Tumor Cell Toxicity Caused by a Low-Oxygen Environment

Abstract excerpt

Cells exposed to oxygen deprivation in vitro have been shown to reduce proliferation and/or engage in programmed cell death. There is considerable controversy in the literature as to the role of hypoxia-inducible factor-1 (HIF-1) and HIF-1 target genes in initiating these responses. We therefore examined the oxygen dependence and the role of the hypoxia-responsive transcription factor HIF-1 in making the cellular...

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