Abstract
Most life forms on the Earth depend on oxygen for continued existence. However, periods of low oxygen (hypoxia) can be tolerated and are even inherent in normal development and function such as during embryogenesis and strenuous exercise. The process of adapting to prolonged hypoxia involves activation of a new genetic program which, if not precisely orchestrated, can result in cell death. It is perhaps not surprising that multiple pathways have evolved for ensuring the up-regulation of essential genes necessary for hypoxic adaptation. This review will describe mechanisms of cellular adaptation to hypoxia with special emphasis on vascular endothelial growth factor (VEGF), one of the most ubiquitous and extensively studied hypoxia-inducible genes. VEGF is known to be up-regulated at the level of transcription and mRNA stabilization due to the action of multiple factors which can act independently or in concert. A number of mechanisms for targeting specific genes for increased mRNA translation during hypoxia have been elucidated and will be discussed with respect to VEGF.
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Levy, N.S., Levy, A.P. (2012). Adapting to Hypoxia: Lessons from Vascular Endothelial Growth Factor. In: Altenbach, A., Bernhard, J., Seckbach, J. (eds) Anoxia. Cellular Origin, Life in Extreme Habitats and Astrobiology, vol 21. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1896-8_6
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DOI: https://doi.org/10.1007/978-94-007-1896-8_6
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