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Human EPAS1 Protein expressed in Wheat germ - ABIN1352871
Coltella, Percio, Valsecchi, Cuttano, Guarnerio, Ponzoni, Pandolfi, Melillo, Pattini, Bernardi: HIF factors cooperate with PML-RAR? to promote acute promyelocytic leukemia progression and relapse. in EMBO molecular medicine 2014
PHD3 maintains high HIF2A mRNA levels in clear cell renal cell carcinoma
Our results indicated a boardline connection between HIF-1 rs11549467 and breast cancer risk while HIF-2 rs17039192 had no influence on breast cancer. Considered the comparison of sample size and potential heterogeneity of previous case-control studies, we concluded that HIF-1 rs11549467 has a marginal effect on breast cancer risk.
Current and lifetime exposure to high-altitude hypoxia has an effect on EPAS1 DNA methylation among Andean Quechua.
Low EPAS1 expression due to hypermethylation is associated with Medulloblastoma.
Our data demonstrated the critical role of FoxM1 in promoting gastrointestinal stromal tumor progression and uncovered a novel HIF-1alpha/HIF-2alpha-FoxM1 axis
SINHCAF specifically represses HIF-2alpha mRNA and protein expression, via its interaction with the transcription factor SP1 (specificity protein 1) and recruitment of HDAC1 to the HIF-2alpha promoter.
secreted TFPI, cell-surface associated TFPI, and intracellular TFPI, and seemed to be dependent upon hypoxia inducible factor-2alpha (HIF-2alpha). An increase in FXa activity was also observed on the endothelial cell surface, reflecting an increase in pro-thrombotic potential of the cells.
Thus after VHL inactivation, HIF induces ISGF3, which is reversed by the loss of secondary tumor suppressors, suggesting that this is a key negative feedback loop in clear cell renal cell carcinoma.
Study found that chronic hypoxia enhanced the resistance of breast cancer cells to Paclitaxel (PTX) and induced high expression of HIF-2alpha, but not HIF-1alpha. Furthermore, HIF-2alpha promoted the stem cell properties of breast cancer cells with increased expression of stem cells markers and induced resistance to PTX by activating Wnt and Notch signaling pathways.
CPT1A is repressed by HIF1 and HIF2, reducing fatty acid transport into the mitochondria, and forcing fatty acids to lipid droplets for storage.
PD-L1 tumor cell expression is strongly associated with increased HIF-2alpha expression and presence of dense lymphocytic infiltration in clear cell renal cell carcinoma.
Hypoxia-induced angiogenesis is a complex process that involves distinct but also overlapping functions of HIF-1alpha and HIF- 2alpha in regard to angiogenesis, bioenergetic adaption and the redundant transcriptional induction of MIF.
High HIF2A expression is associated with high Collagen I Fibers in Triple Negative Breast Cancer.
The studies indicate that HIF2-alpha induces myocardial AREG expression in cardiac myocytes, which increases myocardial ischemia tolerance.
High HIF2A expression is associated with Cervical Cancer.
Data found that overexpression of HIF-2alpha up-regulate the level of NEAT1 and promote EMT and metastasis in hepatoma cell under hypoxia, and inhibition of HIF-2alpha reverse the results. These indicated that HIF-2alpha can promote EMT and metastasis in hepatocellular carcinoma under hypoxia.
Studies have shown that both HIF1alpha and HIF2alpha may contribute to the regulation of cellular adaptation to hypoxia and resistance to cancer therapies with their potential to exert significant effects on the maintenance and evolution of cancer stem cells. Also, HIF1alpha and HIF2alpha seemed to have significant prognostic and predictive value. [review]
HIF-2alpha expression may be associated with the carcinogenesis of colorectal cancer (CRC), which is higher in males than in females, negatively linked to tumor differentiation, and correlated with a worse disease-free survival of CRC - Systematic Analysis
Overexpression of VHL was more successful at inhibiting fibrosis compared with silencing HIF-1a plus HIF-2a. Normoxia-active HIF-1a or HIF-2a prevented the inhibitory effect of VHL on liver fibrosis, indicating that attenuating fibrosis via VHL is HIF-1a- and HIF-2a-dependent to some extent.
HDX negatively regulates EPAS1 expression through a release-of-inhibition mechanism.
High HIF-2A expression is associated with metabolic diseases.
we demonstrated that hypoxia significantly induced the GSC mesenchymal transition, increased the expression levels of the pluripotent transcription factor OCT4 and migration-associated proteins..he underlying mechanism involved significant IGF-1/IGF-1R activation of OCT4/CXCR4 expression through HIF-2alpha regulation.
Increased HIF-2alpha expression is associated with the development of severe pulmonary hypertension.
EPAS1 links DOCK8 deficiency to atopic skin inflammation via IL-31 induction in CD4thorn T cells.
Myeloid-specific deletion of Epas1 had no impact on the number of myeloid cells migrating into the eye.
Defect in nephron formation in PHD2/PHD3 double mutants required intact hypoxia-inducible factor-2 signaling and was dependent on the extent of stromal hypoxia-inducible factor activation. Thus, hypoxia-inducible factor prolyl-4-hydroxylation in renal interstitial cells is critical for normal nephron formation.
Absence of Hif2a in retinal neuroprogenitor cells causes a marked reduction of proliferating endothelial cells at the angiogenic front. This results in delayed retinal vascular development, fewer major retinal vessels and reduced density of the peripheral deep retinal vascular plexus.
HIF2alpha is linked to tumor suppression in neuroblastoma.
The pseudo-hypoxic phenotype of stem-like glioma cells is achieved by stabilization of HIF-2a through interaction with CD44, independently of oxygen.
HIF-1alpha-dependent, HIF-2alpha-independent angiogenesis and constitutive diuresis is caused by Vhl deletion in renal epithelia
A novel biological pathway has been discovered of soluble biglycan inducing HIF-2alpha protein stabilization and Epo production presumably in an oxygen-independent manner, ultimately giving rise to secondary polycythemia.
Data suggest that chronic hypoxia enhances HIF-2alpha stability, which causes increased arginase expression and dysregulates normal vascular NO homeostasis.
Data show that Tet1 modulates HIF-2alpha and HIF-1alpha through different mechanisms.
intestine HIF-2alpha regulates ceramide metabolism mainly from the salvage pathway, by positively regulating the expression of Neu3, the gene encoding neuraminidase 3. These results suggest that intestinal HIF-2alpha could be a viable target for hepatic steatosis therapy
endothelial EPAS1 has a global protective role during glomerular hypertensive injuries without influencing the hypertensive effect of angiotensin II
findings indicate that HIF-2alpha increases cancer cell growth by up-regulating YAP1 activity
Chronic activity of HIF2 in stromal progenitors impairs kidney development. Finally, these data confirm the concept that normal stroma function is essential for normal tubular differentiation.
this study shows that HIF-2alpha acts in resting macrophages as a phagocytosis suppressor implying an important relationship between the levels of HIF-2alpha and susceptibility to infection
in neurons HIF-1 and HIF-2 have redundant functions for cellular survival under ischemic conditions. By contrast, lack of anti-survival factors in Hif1a/Hif2a-deficient mice might protect from early acute neuronal cell death and neurological impairment, indicating a benefit of HIF-pathway inhibition in neurons in the very acute phase after ischemic stroke
immunostaining for HIF-1alpha and HIF-2alpha was observed during endochondral ossification; only HIF-2alpha was present at sites of intramembranous ossification
There was an association of an EPAS1 (HIF2alpha) double variant in the oxygen degradation domain of EPAS1 in Angus cattle with high altitude pulmonary hypertension (HAPH). There was upregulation of 26 of 27 HIF2alpha target genes in EPAS1 carriers with HAPH.
This gene encodes a transcription factor involved in the induction of genes regulated by oxygen, which is induced as oxygen levels fall. The encoded protein contains a basic-helix-loop-helix domain protein dimerization domain as well as a domain found in proteins in signal transduction pathways which respond to oxygen levels. Mutations in this gene are associated with erythrocytosis familial type 4.
endothelial PAS domain protein 1
, endothelial PAS domain-containing protein 1-like
, HIF-1-alpha-like factor
, HIF-1alpha-like factor
, PAS domain-containing protein 2
, basic-helix-loop-helix-PAS protein MOP2
, class E basic helix-loop-helix protein 73
, endothelial PAS domain-containing protein 1
, hypoxia-inducible factor 2 alpha
, hypoxia-inducible factor 2-alpha
, member of PAS protein 2
, HIF-related factor
, HIF1 alpha-like factor
, HIF1alpha-like factor
, HLF (HIF1alpha-like factor)
, Hif like protein
, hypoxia inducible transcription factor 2alpha
, HIF-2 alpha
, HIF2 alpha
, hypoxia inducible factor 2, alpha subunit
, hypoxia inducible factor 2a