|Other Names||Polycystin-2, Autosomal dominant polycystic kidney disease type II protein, Polycystic kidney disease 2 protein, Polycystwin, R48321, PKD2|
|Format||Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Function||Functions as a cation channel involved in fluid-flow mechanosensation by the primary cilium in renal epithelium (PubMed:18695040). Functions as outward-rectifying K(+) channel, but is also permeable to Ca(2+), and to a much lesser degree also to Na(+) (PubMed:11854751, PubMed:15692563, PubMed:27071085, PubMed:27991905). May contribute to the release of Ca(2+) stores from the endoplasmic reticulum (PubMed:11854751, PubMed:20881056). Together with TRPV4, forms mechano- and thermosensitive channels in cilium (PubMed:18695040). PKD1 and PKD2 may function through a common signaling pathway that is necessary to maintain the normal, differentiated state of renal tubule cells. Acts as a regulator of cilium length, together with PKD1. The dynamic control of cilium length is essential in the regulation of mechanotransductive signaling. The cilium length response creates a negative feedback loop whereby fluid shear-mediated deflection of the primary cilium, which decreases intracellular cAMP, leads to cilium shortening and thus decreases flow-induced signaling. Also involved in left-right axis specification via its role in sensing nodal flow; forms a complex with PKD1L1 in cilia to facilitate flow detection in left-right patterning. Detection of asymmetric nodal flow gives rise to a Ca(2+) signal that is required for normal, asymmetric expression of genes involved in the specification of body left-right laterality (By similarity).|
|Cellular Location||Cell projection, cilium membrane; Multi-pass membrane protein. Endoplasmic reticulum membrane; Multi- pass membrane protein. Cell membrane; Multi-pass membrane protein. Basolateral cell membrane. Cytoplasmic vesicle membrane. Note=Retained in the endoplasmic reticulum by interaction with PACS1 and PACS2 (PubMed:15692563) Detected on kidney tubule basolateral membranes and basal cytoplasmic vesicles (PubMed:10770959). Cell surface and cilium localization requires GANAB (PubMed:27259053)|
|Tissue Location||Detected in fetal and adult kidney (PubMed:10770959). Detected at the thick ascending limb of the loop of Henle, at distal tubules, including the distal convoluted tubule and cortical collecting tubules, with weak staining of the collecting duct (PubMed:10770959). Detected on placenta syncytiotrophoblasts (at protein level) (PubMed:26269590) Strongly expressed in ovary, fetal and adult kidney, testis, and small intestine. Not detected in peripheral leukocytes|
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This gene encodes a member of the polycystin proteinfamily. The encoded protein contains multiple transmembranedomains, and cytoplasmic N- and C-termini. The protein may be anintegral membrane protein involved in cell-cell/matrixinteractions. The encoded protein may function in renal tubulardevelopment, morphology, and function, and may modulateintracellular calcium homoeostasis and other signal transductionpathways. This protein interacts with polycystin 1 to producecation-permeable currents. Mutations in this gene have beenassociated with autosomal dominant polycystic kidney disease.
Duning, K., et al. J. Biol. Chem. 285(44):33584-33588(2010)Bailey, S.D., et al. Diabetes Care 33(10):2250-2253(2010)Stewart, A.P., et al. Biophys. J. 99(3):790-797(2010)Petri, E.T., et al. Proc. Natl. Acad. Sci. U.S.A. 107(20):9176-9181(2010)Steiner, T.S., et al. Cell. Immunol. 264(2):135-142(2010)
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