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Hypoxia inducible factor 1, alpha subunit

HIF-1alpha, HIF-1, ARNT, Aryl Hydrocarbon Receptor Nuclear Translocator
This gene encodes the alpha subunit of transcription factor hypoxia-inducible factor-1 (HIF-1), which is a heterodimer composed of an alpha and a beta subunit. HIF-1 functions as a master regulator of cellular and systemic homeostatic response to hypoxia by activating transcription of many genes, including those involved in energy metabolism, angiogenesis, apoptosis, and other genes whose protein products increase oxygen delivery or facilitate metabolic adaptation to hypoxia. HIF-1 thus plays an essential role in embryonic vascularization, tumor angiogenesis and pathophysiology of ischemic disease. Alternatively spliced transcript variants encoding different isoforms have been identified for this gene. [provided by RefSeq, Jul 2011] (from NCBI)
Top mentioned proteins: CAN, vascular endothelial growth factor, V1a, Sim, HAD
Papers using HIF-1alpha antibodies
Gene expression prowles during activation of cultured rat hepatic stellate cells by tumoral hepatocytes and fetal bovine serum
Supplier
Dupuy Evelyne et al., In Gastroenterology Research and Practice, 2009
... , rabbit antismooth muscle actin (SMA) and rabbit anti-HIF-1α (Abcam, Cambridge, UK); rat antimouse ...
Kallikrein-binding protein inhibits growth of gastric carcinoma by reducing vascular endothelial growth factor production and angiogenesis
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Guenther T et al., In British Journal of Cancer, 2006
... of CD34 blood vessels (Novus Biologicals, LLC, Littleton, CO, USA, QBend10, dilution 1 : 100, no pre-treatment), HIF-1α (NB 100-131B, Novus Biologicals, dilution 1 : 500, pressure cooked ...
Evidence supporting the hypothesis that one of the main functions of the aryl hydrocarbon receptor is mediation of cell stress responses.
Supplier
Uversky Vladimir N., In PLoS ONE, 2005
... Anti-AhR antibody (RPT9) and anti-ARNT antibody (2B10) were purchased from Abcam Inc ...
Contribution of steroid receptor coactivator-1 and CREB binding protein in ligand-independent activity of estrogen receptor beta
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Lee YoungJoo et al., In Breast Cancer Research : BCR, 2000
... Anti-ARNT and anti-HIF-1α were obtained from BD Biosciences (San Jose, CA, USA) ...
Nuclear localization and export signals of the human aryl hydrocarbon receptor.
Supplier
Ellis Steven R., In PLoS ONE, 1997
... UAS-Arnt transgenic lines were generated by ...
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Papers on HIF-1alpha
Restoring physiological levels of ascorbate slows tumor growth and moderates HIF-1 pathway activity in Gulo(-/-) mice.
New
Dachs et al., Christchurch, New Zealand. In Cancer Med, 30 Nov 2014
UNLABELLED: Hypoxia-inducible factor-1 (HIF-1) governs cellular adaption to the hypoxic microenvironment and is associated with a proliferative, metastatic, and treatment-resistant tumor phenotype.
HIF-1alpha Regulates mTOR Signaling and Viability of Prostate Cancer Stem Cells.
New
Horak et al., Vienna, Austria. In Mol Cancer Res, 27 Nov 2014
A well characterized murine model of prostate cancer was used to investigate the regulation of hypoxia-inducible factor 1alpha (HIF1A/HIF-1alpha) in CSCs and a basal stem cell subpopulation (Lin-/Sca-1+/CD49f+) was identified, in primary prostate tumors of mice, with elevated HIF-1alpha expression.
Effect of Intermittent Hypoxia on Neuro-functional Recovery Post Brain Ischemia in Mice.
New
Luo et al., Shenzhen, China. In J Mol Neurosci, 26 Nov 2014
Meanwhile, a high level of hypoxia-inducable factor 1 (HIF-1) expression associated with a lower expression of iNOS was observed in the border between infarcts and normal tissue of the hippocampus in the hypoxia group.
The Enigmatic Cytoplasmic Regions of KCNH Channels.
Review
New
Robertson et al., Porto, Portugal. In J Mol Biol, 22 Sep 2014
These channels share a general architecture with other voltage-gated ion channels but are distinguished by the presence of an N-terminal Per-Arnt-Sim (PAS) domain and a C-terminal domain with homology to cyclic nucleotide binding domains (referred to as the CNBh domain).
Regulatory crosstalk and interference between the xenobiotic and hypoxia sensing pathways at the AhR-ARNT-HIF1α signaling node.
Review
New
Domann et al., Iowa City, United States. In Chem Biol Interact, Aug 2014
To regulate gene expression, the AhR requires its binding partner, the aryl hydrocarbon receptor nuclear translocator (ARNT).
Regulation of Wound Healing and Fibrosis by Hypoxia and Hypoxia-Inducible Factor-1.
Review
New
Kim et al., Richardson, United States. In Mol Cells, Jul 2014
Hypoxic responses, mainly mediated by a master transcription factor of oxygen homeostasis, hypoxiainducible factor-1 (HIF-1), have been shown to be critically involved in virtually all processes of wound healing and remodeling.
The Role of Hypoxia-Inducible Factor in Wound Healing.
Review
New
Longaker et al., Stanford, United States. In Adv Wound Care (new Rochelle), Jun 2014
Hypoxia-inducible factor-1 (HIF-1), as the master regulator of oxygen homeostasis, is an important determinant of healing outcomes.
Hypoxic regulation of glutamine metabolism through HIF1 and SIAH2 supports lipid synthesis that is necessary for tumor growth.
New
Impact
Denko et al., Columbus, United States. In Cell Metab, Mar 2014
We now identify the mechanism by which HIF-1 activation results in a dramatic reduction in the activity of the key mitochondrial enzyme complex α ketoglutarate dehydrogenase (αKGDH).
Cbx4 governs HIF-1α to potentiate angiogenesis of hepatocellular carcinoma by its SUMO E3 ligase activity.
New
Impact
Chen et al., Shanghai, China. In Cancer Cell, Feb 2014
Here, we report that Cbx4, but not other members of the Cbx family, enhances hypoxia-induced vascular endothelial growth factor (VEGF) expression and angiogenesis in hepatocellular carcinoma (HCC) cells through enhancing HIF-1α sumoylations at K391 and K477 in its two SUMO-interacting motifs-dependent mechanisms and increasing transcriptional activity of HIF-1.
Interactive features of proteins composing eukaryotic circadian clocks.
New
Impact
Young et al., Ithaca, United States. In Annu Rev Biochem, Dec 2013
A series of clock protein structures demonstrate that the PAS (Per/Arnt/Sim) domain has been used with great variation to formulate the transcriptional activators and repressors of the clock.
Increasing Superoxide Production and the Labile Iron Pool in Tumor Cells may Sensitize Them to Extracellular Ascorbate.
Review
New
Contreras et al., Tijuana, Mexico. In Front Oncol, Dec 2013
Measures which inhibit the constitutive hypoxia-inducible factor-1 (HIF-1) activity in cancers (such as salsalate and mTORC1 inhibitors, or an improvement of tumor oxygenation), or that inhibit the HIF-1-inducible pyruvate dehydrogenase kinase (such as dichloroacetate), can be expected to increase pyruvate oxidation.
Sustained radiosensitization of hypoxic glioma cells after oxygen pretreatment in an animal model of glioblastoma and in vitro models of tumor hypoxia.
New
Lee et al., Charlottesville, United States. In Plos One, Dec 2013
Over-expression of HIF-1α reduced this radiosensitization, indicating that this effect is mediated, in part, via a change in HIF-1-dependent mechanisms.
bHLH-PAS proteins in cancer.
Review
New
Impact
Whitelaw et al., Adelaide, Australia. In Nat Rev Cancer, Dec 2013
Mammalian basic HLH (helix-loop-helix)-PER-ARNT-SIM (bHLH-PAS) proteins are heterodimeric transcription factors that sense and respond to environmental signals (such as pollutants) or to physiological signals (for example, hypoxia and circadian rhythms) through their two PAS domains.
Femoral Artery Occlusion Increases Muscle Pressor Reflex and Expression of Hypoxia-Inducible Factor-1α in Sensory Neurons.
New
Li et al., United States. In J Cardiovasc Dis, Oct 2013
UNLABELLED: Hypoxia inducible factor-1 (HIF-1) has an important contribution to pathophysiological changes of homeostasis under conditions of oxygen deprivation as well as ischemia.
The structural mechanism of KCNH-channel regulation by the eag domain.
New
Impact
Zagotta et al., Seattle, United States. In Nature, Oct 2013
The amino-terminal region contains an eag domain, which is composed of a Per-Arnt-Sim (PAS) domain and a PAS-cap domain, whereas the carboxy-terminal region contains a cyclic nucleotide-binding homology domain (CNBHD), which is connected to the pore through a C-linker domain.
MUC1 mucin stabilizes and activates hypoxia-inducible factor 1 alpha to regulate metabolism in pancreatic cancer.
GeneRIF
Singh et al., Omaha, United States. In Proc Natl Acad Sci U S A, 2012
MUC1 mucin stabilizes and activates hypoxia-inducible factor 1 alpha to regulate metabolism in pancreatic cancer
Main effects and interactions of carbonic anhydrase IX, hypoxia-inducible factor-1α, ezrin and glucose transporter-1 in multivariate analysis for disease outcome in rectal cancer.
GeneRIF
Syrjänen et al., Turku, Finland. In Anticancer Res, 2012
panel consisting of moderate/strong expression of CA IX, positive HIF-1alpha expression and negative/weak GLUT-1 expression in operative samples and negative/weak ezrin expression in biopsies was associated with 47.5-fold risk of death from this disease
Association of thymidylate synthase and hypoxia inducible factor-1alpha DNA polymorphisms with pancreatic cancer.
GeneRIF
Gamallo et al., Alacant, Spain. In Tumori, 2012
In our study, TT and AA genotypes of C1772T and G1790A hypoxia inducible factor-1alpha single nucleotide polymorphisms were associated with the development of pancreatic cancer.
[Allelic polymorphism of Pro582-->Ser HIF-1alpha to exercise-induced hypoxia adaptation].
GeneRIF
In Fiziol Zh, 2011
The frequency of Pro582-->Ser allele of HIF-1alpha gene is significantly higher in athletes involved in sports.
[Dynamic beta-endorphin determination in hematologic patients].
GeneRIF
Savchenko et al., In Ter Arkh, 2011
There was a direct correlation between the concentrations of beta-endorphin and HIF-1alpha in patients with acute leukemia
More papers using HIF-1alpha antibodies
Peritoneal metastatic model for human scirrhous gastric carcinoma in nude mice
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Hirakawa K et al., In British Journal of Cancer, 1995
The staining of hypoxia-associated ...
Tumor suppressor loci on mouse chromosomes 9 and 16 are lost at distinct stages of tumorigenesis in a transgenic model of islet cell carcinoma
Supplier
Pereira T S et al., In Cell Death & Disease, 1994
... Signaling Technology), anti-Cleaved Caspase-9 (1:250, #9509, Cell Signaling Technology), anti-LC3B (1:500, ab48394, Abcam, Cambridge, UK), anti-HIF-1α (1:500, NB100-479, Novus Biologicals, Cambridge, UK), anti-pimonidazole (1:1000, ...
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