HIF-2 alpha/EPAS1 Antibody [Alexa Fluor® 750]

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Product Details

Summary
Reactivity Hu, Mu, Rt, Fi, Ha, Pm, Rb, Re, ShSpecies Glossary
Applications WB, Simple Western, ELISA, Flow, Func, GS, ICC/IF, IHC, IP, PAGE, WB, ChIP, Dual ISH-IHC, KD, KO
Clonality
Polyclonal
Host
Rabbit
Conjugate
Alexa Fluor 750

Order Details

HIF-2 alpha/EPAS1 Antibody [Alexa Fluor® 750] Summary

Immunogen
This HIF-2 alpha/EPAS1 Antibody was developed against a peptide derived from the C-terminus of mouse/human HIF-2 alpha protein.
Specificity
This HIF-2 alpha/EPAS1 Antibody is specific for HIF-2 alpha/EPAS, and does not cross-react with HIF-1 alpha.
Isotype
IgG
Clonality
Polyclonal
Host
Rabbit
Gene
EPAS1
Purity
Immunogen affinity purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Chromatin Immunoprecipitation (ChIP)
  • Dual RNAscope ISH-IHC
  • ELISA
  • Flow Cytometry
  • Gel Super Shift Assays
  • Immunoblotting
  • Immunocytochemistry/ Immunofluorescence
  • Immunohistochemistry
  • Immunohistochemistry-Frozen
  • Immunohistochemistry-Paraffin
  • Immunoprecipitation
  • In vitro assay
  • Knockdown Validated
  • Knockout Validated
  • SDS-Page
  • Simple Western
  • Western Blot
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Reactivity Notes

Use in Mouse reported in scientific literature (PMID:33758176).

Packaging, Storage & Formulations

Storage
Store at 4C in the dark.
Buffer
50mM Sodium Borate
Preservative
0.05% Sodium Azide
Purity
Immunogen affinity purified

Notes

Alexa Fluor (R) products are provided under an intellectual property license from Life Technologies Corporation. The purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: (i) in manufacturing; (ii) to provide a service, information, or data in return for payment; (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

Alternate Names for HIF-2 alpha/EPAS1 Antibody [Alexa Fluor® 750]

  • Basic-helix-loop-helix-PAS protein MOP2
  • BHLHE73
  • Class E basic helix-loop-helix protein 73
  • ECYT4
  • endothelial PAS domain protein 1
  • endothelial PAS domain-containing protein 1
  • EPAS1
  • EPAS-1
  • HIF 2A
  • HIF-1-alpha-like factor
  • HIF-1alpha-like factor
  • HIF2 alpha
  • HIF-2 alpha
  • hif2a angiogenesis
  • HIF2A
  • HIF-2-alpha
  • HIF2-alpha
  • HLF
  • hypoxia-inducible factor 2 alpha
  • Hypoxia-inducible factor 2-alpha
  • Member of PAS protein 2
  • MOP2
  • PAS domain-containing protein 2
  • PASD2

Background

Hypoxia contributes to the pathophysiology of human disease, including myocardial and cerebral ischemia, cancer, pulmonary hypertension, congenital heart disease and chronic obstructive pulmonary disease (1). In cancer, and particularly solid tumors, hypoxia plays a critical role in the regulation of genes involved in stem cell renewal, epithelial to mesenchymal transition (EMT), metastasis and angiogenesis. In the tumor microenvironment (TME), hypoxia influences the properties and function of stromal cells (e.g., fibroblasts, endothelial and immune cells) and is a strong determinant of tumor progression (2,3).

HIF-1 or hypoxia inducible factor 1, is a transcription factor commonly referred to as a "master regulator of the hypoxic response" for its central role in the regulation of cellular adaptations to hypoxia. Similarly, HIF-2 alpha plays a role in cellular responses to hypoxia, but whereas HIF-1 alpha is ubiquitously expressed, HIF-2 alpha is predominantly expressed in the vascular endothelium at embryonic stages and after birth in select cells and tissue types (e.g., fibroblasts, hepatocytes and myocytes at 96kDa) (4). Following a similar mechanism to HIF-1 alpha, HIF-2 alpha is stabilized under hypoxic conditions by the formation of a heterodimer with an ARNT/HIF-1 beta subunit. Stable HIF-2 alpha-ARNT/HIF-1 beta heterodimers engage p300/CBP in the nucleus for binding to hypoxic response elements (HREs), inducing transcription, and thus regulation of genes (e.g., EPO, VEGFA). HIF-1 predominantly transactivates genes involved in glycolytic control and pro- apoptotic genes (e.g., LDHA and BNIP3), and HIF-2 regulates the expression of genes involved in invasion and stemness (e.g., MMP2, and OCT4). Common gene targets for HIF-1 and HIF-2 include VEGFA and GLUT1 (5).

The HIF-2 alpha subunit is rapidly targeted and degraded by the ubiquitin proteasome system under normoxic conditions. This process is mediated by oxygen-sensing enzymes, prolyl hydroxylase domain enzymes (PHDs), which catalyze the hydroxylation of key proline residues (Pro-405 and Pro-531) within the oxygen-dependent degradation domain of HIF-2 alpha (5). Once hydroxylated, HIF-2 alpha binds the von Hippel-Lindau tumor suppressor protein (pVHL) for subsequent ubiquitination and proteasomal degradation (5,6).

References

1. Semenza, G. L., Agani, F., Feldser, D., Iyer, N., Kotch, L., Laughner, E., & Yu, A. (2000). Hypoxia, HIF-1, and the pathophysiology of common human diseases. Advances in Experimental Medicine and Biology.

2.Muz, B., de la Puente, P., Azab, F., & Azab, A. K. (2015). The role of hypoxia in cancer progression, angiogenesis, metastasis, and resistance to therapy. Hypoxia. https://doi.org/10.2147/hp.s93413

3. Huang, Y., Lin, D., & Taniguchi, C. M. (2017). Hypoxia inducible factor (HIF) in the tumor microenvironment: friend or foe? Science China Life Sciences. https://doi.org/10.1007/s11427-017-9178-y

4. Hu, C.-J., Wang, L.-Y., Chodosh, L. A., Keith, B., & Simon, M. C. (2003). Differential Roles of Hypoxia-Inducible Factor 1 (HIF-1) and HIF-2 in Hypoxic Gene Regulation. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.23.24.9361-9374.2003

5. Koh, M. Y., & Powis, G. (2012). Passing the baton: The HIF switch. Trends in Biochemical Sciences. https://doi.org/10.1016/j.tibs.2012.06.004

6. Koyasu, S., Kobayashi, M., Goto, Y., Hiraoka, M., & Harada, H. (2018). Regulatory mechanisms of hypoxia-inducible factor 1 activity: Two decades of knowledge. Cancer Science. https://doi.org/10.1111/cas.13483

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

Video Protocols

WB Video Protocol
ICC/IF Video Protocol

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Secondary Antibodies

 

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Blogs on HIF-2 alpha/EPAS1.

Breast cancer stem cells survive chemotherapy through S100A10-ANXA2-SPT6 interaction that epigenetically promotes OCT4-mediated stemness
By Jamshed Arslan, Pharm D, PhDBreast cancer is the most common cancer among women that causes the greatest number of cancer-related deaths worldwide. After radiotherapy or cytotoxic chemotherapy like paclitax...  Read full blog post.

HIF-2 alpha: HIF1A's Homologue with Similar and Divergent Functions
HIF-2 alpha is a member of the heterodimeric hypoxia-inducible factors/HIFs family (HIF-1, HIF-2, and HIF-3) which contains a common beta subunit but differ in their alpha subunits. Also called as EPAS1 or Mop2, HIF-2 alpha regulates cellular adapt...  Read full blog post.

HIF-2 alpha, Tumor Suppression and Cell Survival
HIF-2 alpha is one subunit within the HIF-2 nuclear protein that regulates cellular responses to hypoxia (low oxygen tension conditions). Hydroxylation post-translational modifications on particular HIF residues target them for degradation. Luo, et al...  Read full blog post.

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Bioinformatics

Gene Symbol EPAS1