|EDNRA in Human Kidney. EDNRA was detected in immersion fixed paraffin-embedded sections of human kidney using Human EDNRA Monoclonal Antibody (Catalog # MAB6538) at 25 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.|
EDNRA (endothelin A receptor) is a 427 amino acid (aa) protein of the rhodopsin-like 7-transmembrane receptor family. It can be variably modified by N-linked glycoproteins, phosphorylation and palmitoylation. It binds endothelins ET-1 and ET-2 preferentially, while EDNRB binds all three forms equally. Developmentally, EDNRA is expressed by cranial neural crest cells and induces facial morphogenesis. It is expressed by adult blood vessel smooth muscle cells, and is primarily responsible for the vasoconstrictor effects of ET-1. Human EDNRA shares 86% aa identity with mouse and rat EDNRA within the combined extracellular portions of the molecule.
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