Hypoxia-inducible factor-1 (HIF1) is a transcription factor expressed in mammalian cells when cultured under reduced oxygen tension. HIF1 is a heterodimer composed of an α subunit and a β subunit. The β subunit has been identified as the aryl hydrocarbon receptor nuclear translocator (ARNT). This gene encodes the alpha subunit of HIF-1. HIF-1α contains two transactivation domains. The gene encoding it is localized on human chromosome 14q23.2.
Biochem/physiol Actions
Hypoxia-inducible factor-1 (HIF1) plays an essential role in cellular and systemic homeostatic responses to hypoxia. During hypoxia, the two subunits of this factor undergo post-translational modifications, which in turn promote transactivation. Overexpression of a natural antisense transcript (aHIF) of this gene has been shown to be associated with nonpapillary renal carcinomas. HIF-1α is a master regulator of the hypoxic response, and its proangiogenic activities include, but are not limited to, regulation of vascular endothelial growth factor (VEGF).
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Supplied in PBS with 0.09% (W/V) sodium azide
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Hypoxia-Inducible Factor (HIF)-1 Regulatory Pathway and its Potential for Therapeutic Intervention in Malignancy and Ischemia
The Yale Journal of Biology and Medicine (2007)
Regulation of Hypoxia-Inducible Factor 1a Expression and Function by the Mammalian Target of Rapamycin
Christine C, et al.
Molecular and Cellular Biology (2002)
Vascular endothelial growth factor (VEGF) regulation by hypoxia inducible factor-1 alpha (HIF1A) starts and peaks during endometrial breakdown, not repair, in a mouse menstrual-like model
Xihua Chen, et al.
Human Reproduction (2015)
Multiple Gastrointestinal Stromal and Other Tumors Caused by Platelet-Derived Growth Factor Receptor a Gene Mutations: A Case Associated with a Germline V561D Defect
Barbara Pasini, et al.
The Journal of Clinical Endocrinology and Metabolism (2007)
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