Hypoxia contributes significantly to the pathophysiology of major categories of human disease, including myocardial and cerebral ischemia, cancer, pulmonary hypertension, congenital heart disease and chronic obstructive pulmonary disease. HIF-1, a nuclear protein activating gene transcription in response to reduced cellular 02 concentration, activates the transcription of VEGF, EPO, iNOS, heme oxygenase 1 and other intracellular responses critical to hypoxia. HIF-1 is a heterodimer composed of HIF-1a and HIF-1b subunits. HIF-1 a most closely resembles the Drosophila protein Sim. HIF-1 b is a series of aryl hydrocarbon receptor nuclear translocator (ARNT) gene products. (1,5,6) Cellular Localization: HIF-1 beta is a nuclear protein. Positive Control: MCF7 human nuclear extracts Storage and Stability: May be stored at 4C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Freeze at -20C. Aliquots are stable for at least 12 months at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Purity:
Serum
Form:
Supplied as serum, 0.02% sodium azide
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