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HIF-1 alpha Antibody

Rabbit Monoclonal Antibody

  • WB - HIF-1 alpha Antibody AJ1345a
    A. Western blot analysis on Ramos + CoCl2 lysate using anti-HIF-1 alpha RabMAb (Cat. #AJ1345a), dilution 1:2000
  • IHC - HIF-1 alpha Antibody AJ1345a
    B. Immunohistochemical staining of paraffin-embedded human liver carcinoma using anti-HIF-1 alpha RabMAb (Cat. #AJ1345a).
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession Q16665
Reactivity Human, Rat
Host Rabbit
Clonality Monoclonal
Clone Names EP1215Y
Calculated MW 92670 Da
Gene ID 3091
Other Names Hypoxia-inducible factor 1-alpha, HIF-1-alpha, HIF1-alpha, ARNT-interacting protein, Basic-helix-loop-helix-PAS protein MOP1, Class E basic helix-loop-helix protein 78, bHLHe78, Member of PAS protein 1, PAS domain-containing protein 8, HIF1A, BHLHE78, MOP1, PASD8
Target/Specificity A synthetic peptide corresponding to residues near the C-terminus of human HIF-1 alpha was used as an immunogen.
Dilution WB~~1:1000~2000
Format 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsHIF-1 alpha Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name HIF1A
Synonyms BHLHE78, MOP1, PASD8
Function Functions as a master transcriptional regulator of the adaptive response to hypoxia. Under hypoxic conditions, activates the transcription of over 40 genes, including erythropoietin, glucose transporters, glycolytic enzymes, vascular endothelial growth factor, HILPDA, and other genes whose protein products increase oxygen delivery or facilitate metabolic adaptation to hypoxia. Plays an essential role in embryonic vascularization, tumor angiogenesis and pathophysiology of ischemic disease. Binds to core DNA sequence 5'-[AG]CGTG-3' within the hypoxia response element (HRE) of target gene promoters. Activation requires recruitment of transcriptional coactivators such as CREBPB and EP300. Activity is enhanced by interaction with both, NCOA1 or NCOA2. Interaction with redox regulatory protein APEX seems to activate CTAD and potentiates activation by NCOA1 and CREBBP. Involved in the axonal distribution and transport of mitochondria in neurons during hypoxia.
Cellular Location Cytoplasm. Nucleus. Nucleus speckle {ECO:0000250|UniProtKB:Q61221}. Note=Colocalizes with HIF3A in the nucleus and speckles (By similarity). Cytoplasmic in normoxia, nuclear translocation in response to hypoxia. Colocalizes with SUMO1 in the nucleus, under hypoxia {ECO:0000250|UniProtKB:Q61221}
Tissue Location Expressed in most tissues with highest levels in kidney and heart. Overexpressed in the majority of common human cancers and their metastases, due to the presence of intratumoral hypoxia and as a result of mutations in genes encoding oncoproteins and tumor suppressors. A higher level expression seen in pituitary tumors as compared to the pituitary gland
Research Areas
Citations (0)

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The HIF1A gene encodes the HIF-1alpha subunit of hypoxia-inducible factor 1, a transcription factor that is essential for cardiovascular development and systemic O2 homeostasis (1). HIF-1 is found in mammalian cells cultured under reduced O2 tension and is necessary for transcriptional activation mediated by the erythropoietin gene enhancer in hypoxic cells. It has been shown that both HIF-1 subunits are basic-helix-loop-helix proteins containing a PAS domain, defined by its presence in the in the mammalian ARNT and AHR proteins. HIF-1 alpha is most closely related to Sim (2). HIF-1 binds to cis-acting hypoxia-response elements within the erythropoietin, vascular endothelial growth factor, and other genes to activate transcription in hypoxic cells. Results indicate that increased transcriptional activity mediated by HIF-1 in hypoxic cells results from both increased HIF-1alpha protein levels and increased activity of HIF-1alpha transactivation domains (3).


1. Iyer NV, et al. Genomics 52(2):159-65, 1998.
2. Wang GL, et al. Proc Natl Acad Sci 92(12):5510-4, 1995.
3. Jiang BH, et al. J Biol Chem 272(31):19253-60, 1997.

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Cat# AJ1345a
(40 western blots)
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