HIF‑2 alpha /EPAS1 in Human Prostate Cancer Tissue.
HIF‑2 alpha /EPAS1 was detected in immersion fixed paraffin-embedded sections of human prostate cancer tissue using Goat Anti-Human/Mouse/Rat HIF‑2 alpha /EPAS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2997) at 0.3 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm and nuclei in cancer cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
HIF‑2 alpha /EPAS1 was detected in perfusion fixed frozen sections of mouse testis using Goat Anti-Human/Mouse/Rat HIF‑2 alpha /EPAS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2997) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm and nuclei in spermatocytes. View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.
Detection of Human, Mouse, and Rat HIF‑2 alpha /EPAS1 by Western Blot.
Western blot shows lysates of MCF‑7 human breast cancer cell line, bEnd.3 mouse endothelioma cell line, and PC‑12 rat adrenal pheochromocytoma cell line untreated (-) or treated (+) with 150 µM CoCl2 for 16 hours. PVDF Membrane was probed with 1 µg/mL of Goat Anti-Mouse HIF‑2 alpha /EPAS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2997) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for HIF‑2 alpha /EPAS1 at approximately 120 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: HIF-2 alpha/EPAS1
The hypoxia-inducible transcription factor 2 alpha (HIF-2 alpha ) is stabilized in hypoxic tissue and, similarly to HIF-1 alpha, complexes with Aryl hydrocarbon receptor nuclear translocator (ARNT). Both the HIF-1 and HIF-2 complexes bind hypoxia-response elements (HREs) in the promoters of many genes involved in adapting to an environment of insufficient oxygen or hypoxia. HIF-1 and HIF-2 do not appear completely redundant, although specific functions are only beginning to be elucidated. Hypoxic tissue environments occur in vascular and pulmonary diseases as well as cancer, which illustrates the potentially broad impact of gene regulation by both HIF-1 alpha and HIF-2 alpha.
Hypoxia-inducible Transcription Factor 2 alpha
Entrez Gene IDs:
Basic-helix-loop-helix-PAS protein MOP2; BHLHE73; bHLHe73ECYT4; Class E basic helix-loop-helix protein 73; endothelial PAS domain protein 1; endothelial PAS domain-containing protein 1; EPAS1; EPAS-1; HIF 2A; HIF-1alpha-like factor; HIF2 alpha; HIF-2 alpha; hif2a angiogenesis; HIF2A; HIF2AHIF-2-alpha; HLF; HLFHIF-1-alpha-like factor; hypoxia-inducible factor 2 alpha; Hypoxia-inducible factor 2-alpha; Member of PAS protein 2; MOP2; MOP2HIF2-alpha; PASD2PAS domain-containing protein 2
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