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BioVendor, LLC PYY Human ELISA (96 wells)
Supplier: BioVendor, LLC YK080
PYY Human ELISA, 96 wells. High sensitivity/specificity EIA (enzyme immunoassay) kit for quantitative determination of human peptide YY in plasma or serum samples. Measures both PYY(3-36) and PYY(1-36). SAMPLE REQ 50 l. ASSAY RANGE 0.082-20 ng/mL. NAMES: peptide tyrosine tyrosine, PYY-I, PYY1. SUMMARY: PYY was isolated initially by Tatemoto et al. (1980) from the extract of pig duodenum and shown to be a polypeptide consisting of 36 amino acid residues. PYY is homologous to pancreatic polypeptide (PP) and neuropeptide Y (NPY). PYY is localized mainly in endocrine cells in the intestine (ileum, colon, and rectum). PYY inhibits contraction of the gastrointestinal tract and secretion of pancreatic and gastric juice. PYY concentration in the circulation increases postprandially and decreases by fasting. PYY level in blood decreases after resection of the intestine, possibly due to the decrease in number of the endocrine cells secreting PYY.
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