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You are here:Home » Antibodies » Antibodies-Angiotensin, Angiotensinogen » Anti -Angiotensin II Type 1 Receptor (AT1)

Anti -Angiotensin II Type 1 Receptor (AT1)


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Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified E B IH
The octapeptide circulatory hormone Angiotensin II is a critical regulator of cardiovascular homeostasis formed in blood, with dual function in tissues of the brain, kidney, heart, and vasculature as an autocrine/paracrine growth hormone1,2. The actions of angiotensin II are mediated by type one (AT1) and type two (AT2) angiotensin II receptors, members of the seven-transmembrane G-protein coupled receptor (GPCR) family. AT1 receptors couple predominantly with Gq/11 alpha subunits, and signal through phospholipases C, D, and A2, inositol phosphates, and calcium channels, as well as a variety of serine/threonine and tyrosine kinases2. AT1 expression is greatest in vascular smooth muscle, liver, kidney, adrenal cortex, brain, and lung, and is primarily responsible for the physiological effects of angiotensin II, including regulation of arterial blood pressure, electrolyte and water balance, thirst, hormone secretion, and renal function. The AT2 receptor displays approximately 30% identity to the AT1 receptor, and is highly expressed during embryonic development1,2. AT2 expression in adult tissue is limited to the adrenal medulla, brain, and reproductive tissues, but is upregulated in injured tissue following myocardial infarction, vascular injury, and wound healing. AT2 receptor signaling is not dependent on G- protein coupling or receptor phosphorylation, although coupling to Gia2 and Gia3 alpha subunits occurs in some tissues3. AT2 activation can stimulate tyrosine.
Catalog #A2295-08M
ApplicationsSuitable for use in ELISA, Western Blot, and Immunohistochemistry. Other applications not tested.
Recommended DilutionsWestern Blot: 1:1000-1:2000. Predicted Molecular Weight: ~41kD. Higher Molecular Weight species (~55kD) and intermediates also observed which reflect post-translational modification and dimerization of the receptor.
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
FormSupplied as a liquid in PBS, pH 7.2, 0.01% sodium azide, 50% glycerol.
PurityPurified by immunoaffinity chromatography.
ImmunogenSynthetic peptide corresponding to the sequence near the N-terminus of rat angiotensin II receptor AT1. Species Sequence Homology: chimpanzee, bovine, rhesus macaque, sheep, canine, guinea pig, rabbit, equine, wild boar, gerbil.
SpecificityRecognizes rat Angiotensin II Receptor (AT1).
Species CrossreactivityHuman and mouse
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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