|Application ||WB, IHC, E|
|Description||EPH receptor A1 (EphA1), with 976-amino acid protein(about 107 kDa), belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family. The Eph subfamily represents the largest group of receptor protein tyrosine kinases identified to date and their ligands, the ephrins,can be subdivided into two major subclasses, ephrin-A and ephrin-B. Interaction of Eph receptor tyrosine kinases with their membrane bound ephrin ligands initiates bidirectional signaling events that regulate cell migratory and adhesive behavior, particularly in the nervous system. They have been implicated in various developmental processes, including axonal guidance, angiogenesis, morphogenesis and carcinogenesis.|
|Immunogen||Purified recombinant fragment of EphA1 expressed in E. Coli.|
|Formulation||Purified antibody in PBS containing 0.03% sodium azide.|
|Other Names||Ephrin type-A receptor 1, hEpha1, 18.104.22.168, EPH tyrosine kinase, EPH tyrosine kinase 1, Erythropoietin-producing hepatoma receptor, Tyrosine-protein kinase receptor EPH, EPHA1, EPH, EPHT, EPHT1|
|Dilution||WB~~1/500 - 1/2000|
IHC~~1/200 - 1/1000
|Storage||Maintain 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.|
|Precautions||EphA1 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||EPH, EPHT, EPHT1|
|Function||Receptor tyrosine kinase which binds promiscuously membrane-bound ephrin-A family ligands residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. The signaling pathway downstream of the receptor is referred to as forward signaling while the signaling pathway downstream of the ephrin ligand is referred to as reverse signaling. Binds with a low affinity EFNA3 and EFNA4 and with a high affinity to EFNA1 which most probably constitutes its cognate/functional ligand. Upon activation by EFNA1 induces cell attachment to the extracellular matrix inhibiting cell spreading and motility through regulation of ILK and downstream RHOA and RAC. Plays also a role in angiogenesis and regulates cell proliferation. May play a role in apoptosis.|
|Cellular Location||Cell membrane; Single-pass type I membrane protein|
|Tissue Location||Overexpressed in several carcinomas.|
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1. Shannon L. Duffy, Kirsten A. Steiner, Patrick P.L. Tam Gene Expr Patterns. 2006 Feb 6. 2. Elena B. Pasquale. Nat Rev Mol Cell Biol.2005 Jun; 6(6): 462-75.
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