Vitamin D Receptor (Vitamin D Hormone Receptor, VDR, 1,25-dihydroxyvitamin D3 Receptor, HGNC:12679, Nuclear Receptor Subfamily 1 Group I Member 1, NR1I1, Vitamin D3 Receptor)

25-hydroxy-vitamin D3 is synthesized in the liver and is the primary circulating form of vitamin D. Its blood concentration, which reflects 25(OH)D3 produced by exposure to ultraviolet B, as well as dietary and vitamin D supplementation, is felt to be the best indicator of vitamin D status. 25(OH)D3 is metabolized to 1a,25(OH)2D3 in the proximal tubular cells of the kidney by the enzyme 1a-hydroxylase. The vitamin D structure is similar to that of classic steroid hormones, such as estradiol, cortisol, and aldosterone in that they have the same root cyclopentanoperhydrophenanthrene ring structure. It has been shown that the active steroid hormone 1a,25(OH)2D3 is essential for life in higher animals. Besides playing important roles in calcium homeostasis and bone mineral metabolism, it is now known to play a role in cellular differentiation, inhibition of cell growth, immune regulation and the prevention of neoplastic transformation. The active form of vitamin D3, 1a,25(OH)2D3, acts both through its cellular receptor, the vitamin D receptor (VDR), and through other extrarenal targets in an autocrine and paracrine manner where 1a-hydroxylase is present.\n\nApplications:\nSuitable for use in Flow Cytometry. Other applications not tested.\n\nRecommended Dilution:\nFlow Cytometry: 2.5ug labels 10e6 cells\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nLyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with PBS. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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