Vitamin D is a secosteroidalprohormone, it can be synthesized at sufficient levels in skin, given adequate skin exposure to UV B radiation from sunlight.By directly controlling target gene expression through the Vitamin D receptor (VDR), a ligand-regulated transcription factor and member of the nuclear receptor superfamily, vitamin D modifies its biological effects. Vitamin D must undergo two hydroxylation steps in order to become the biologically active hormone 1,25-dyhydroxyvitamin D3 [1,25(OH)2D3], which communicates through the VDR, whether it is produced in the skin or consumed. In reaction to vitamin D, the hormone-bound VDR modifies target gene transcription. VDR controls autophagy's transcription at the master level. In breast cancer (BC) cells, vitamin D-activated VDR causes autophagy and an autophagic transcriptional signature.

Vitamin D comes in two different forms. Vitamin D3 (cholecalciferol) is produced in the skin and is found in oily fish and cod liver oil. Vitamin D2 (ergocalciferol) is produced by irradiating yeast and the plant sterol ergosterol. Vitamin D stands for vitamins D2 and D3.

For the treatment of psoriasis, topical medications containing active vitamin D3 (calcitriol, 1,25-dihydroxyvitaminD3, VD3) analogues, such as Tacalcitol, Calcipotriol, and Maxacalcitol, are frequently utilized.

VD VDR related products

Structure Cat No. Product Name CAS No. Product Description
V67836 (1S)-Calcitriol (1α,25-Dihydroxy-3-epi-vitamin-D3) 61476-45-7 (1S)-Calcitriol (1α,25-Dihydroxy-3-epi-vitamin-D3) is a natural metabolite of 1α,25-dihydroxyvitamin D3 (1α,25(OH)2D3).
V67832 22-Hydroxyvitamin D3 110927-46-3 22-Hydroxyvitamin D3 is a novel vitamin D analogue that does not display vitamin D agonist activity in the intestine or bone.
V67843 2MD 213250-70-5 2MD is an orally bioactive vitamin D analogue.
V5281 3-O-(2-Aminoethyl)-25-hydroxyvitamin D3 163018-26-6 3-O-(2-Aminoethyl)-25-hydroxyvitamin D3 is a Vitamin D3 analogue.
V2037 Alfacalcidol (1-hydroxycholecalciferol) 41294-56-8 Alfacalcidol (1-hydroxycholecalciferol), an active metabolite of Vitamin D, is a potent and non-selective VDR activator medication that has been widely used in the treatment of osteoporosis.
V78546 Alfacalcidol-d7 (1-hydroxycholecalciferol-d7; 1.alpha.-Hydroxyvitamin D3-d7) Alfacalcidol-d7 is the deuterated form of Alfacalcidol.
V2435 Calcifediol (25-hydroxy Vitamin D3) 19356-17-3 Calcifediol (also known as 25-hydroxyvitamin D3; 25-hydroxy VD3)is the major circulating metabolite of vitamin D3 in the blood and is the form that is tested inmedicine to determine vitamin D deficiency, namely, the test of 25-hydroxy vitamin D (calcifediol) levels to evaluate how much vitamin D is in the body.
V67835 Calcifediol-d3 (25-hydroxy Vitamin D3-d3) 140710-94-7 Calcifediol-d3 is the deuterated form of Calcifediol.
V67842 Calcifediol-d6 monohydrate (25-hydroxy Vitamin D3-d6 (monohydrate)) 2483831-70-3 Calcifediol-d6 (monohydrate) is the deuterated form of Calcifediol monohydrate.
V40990 Calciol (5,6-trans-Vitamin D3) 22350-41-0 Calciol (5,6-trans-Vitamin D3), theinactive form of vitamin D3,is an enantiomer of vitamin D3 with important biological roles in calcium homestasis.
V17430 Calcipotriol Monohydrate 147657-22-5 Calcipotriolhydrate (Daivonex; Dovonex; MC-903; PRI-2201; Psorcutan; Sorilux), the hydrated form of calcipotriol, is a synthetic calcitriol/Vitamin D3 (VD3)analog and a potent agonist of the VD3 receptor (VDR) used in the treatment of psoriasis and marketed under the trade name Dovonex.
V1857 Calcitriol (1,25-Dihydroxyvitamin D3) 32222-06-3 Calcitriol (RO215535, Topitriol; 1,25(OH)2D3)is the metabolically/hormonally active form of vitamin D and avitamin D receptor(VDR) agonist.
V67840 Calcitriol-d3 (1,25-Dihydroxyvitamin D3-d3) 128723-16-0 Calcitriol-d3 is the deuterated form of Calcitriol.
V5283 Cholecalciferol (Vitamin D3) 67-97-0 Cholecalciferol (Vitamin D3; Colecalciferol),a secosteroid (a steroid molecule with one ring open), is a naturally occuring form of vitamin D; Upon metabolic activation, cholecalciferol is converted to the active form, 1,25-dihydroxy vitamin D3, which induces cell differentiation and prevents proliferation of cancer cells.
V15199 Dihydrotachysterol 67-96-9 Dihydrotachysterol is a novel, synthetic vitamin D analogue that is activated in the liver and does not require renal hydroxylation like vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol).
V2401 Doxercalciferol (1α-Hydroxyvitamin D2) 54573-75-0 Doxercalciferol (1α-hydroxyvitamin D2; 1alpha-hydroxy VD2), a synthetic vitamin D2 analog, is a potent agonist/activator of VDR (Vitamin D receptor) with important biological activities.
V12291 Eldecalcitol 104121-92-8 Eldecalcitol is a drug used in Japan for the treatment of osteoporosis.
V77044 Eldecalcitol-d6 (Eldecalcitol d6) Eldecalcitol-d6 is a deuterated form of Eldecalcitol.
V20462 Elocalcitol 199798-84-0 Elocalcitol (BXL-628; BXL628; BXL 628) is a novel calcitriol andvitamin D3 analogue that can activate vitamin D receptor (VDR).
V20676 Ercalcitriol (RO-17-6218) 60133-18-8 Ercalcitriol (RO-17-6218 or 1,25-dihydroxyvitamin D2, 1α,25-Dihydroxy Vitamin D2) is the active metabolite and circulating form of vitamin D2 formed by 25-hydroxylase in the liver and 25-hydroxyvitamin D-hydroxylase in the kidney.
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