Tacalcitol  (Synonyms: 1,24(R)-Dihydroxyvitamin D3; 1.alpha.,24R-Dihydroxyvitamin D3)

Tacalcitol (1,24(R)-Dihydroxyvitamin D3; 1.alpha.,24R-Dihydroxyvitamin D3) promotes normal bone development by regulating calcium. IC50 value: Target: Tacalcitol modulates immunological and inflammatory processes. Tacalcitol induces nerve growth factor production in epidermal keratinocytes.

416.64

Solid

C₂₇H₄₄O₃

57333-96-7

C=C1[C@H](C[C@@H](C/C1=C/C=C2[C@]3([C@@](C)([C@H](CC3)[C@@H](CC[C@H](C(C)C)O)C)CCC/2)[H])O)O

Room temperature in continental US; may vary elsewhere.

4°C, protect from light, stored under nitrogen

*The compound is unstable in solutions, freshly prepared is recommended.

• [1]. Masuo Morisaki , aoyuki Koizumi , Nobuo Ikekawa et al. Synthesis of active forms of vitamin D. Part IX. Synthesis of 1α,24-dihydroxycholecalciferol. J. Chem. Soc., Perkin Trans. 1, 1975, 1421-1424

  [2]. Kiyoshige Ochi , Isao Matsunaga , Hiroyuki Nagano et al. Synthetic studies of vitamin D3 analogues from bile acids. Part 3. Syntheses of 1α,25-, 1α,24R-, and 1α,24S-dihydroxycholecalciferols from lithocholic acid and their biological activities. J. Chem.

  [3]. Rostowska-Nadolska et al Vitamin D derivatives: calcitriol and tacalcitol inhibits interleukin-6 and interleukin-8 expression in human nasal polyp fibroblasts. Adv.Med.Sci. (2010) 55 86.  [Content Brief]

  [4]. Oiso N, Kawada A.Freckling Promoted by Topical Tacalcitol in a Japanese Boy with Left Eyelid Vitiligo.Pediatr Dermatol. 2011 Oct 20.  [Content Brief]

  [5]. Kobayashi T, Okumura H, Azuma Y, Kiyoki M, Matsumoto K, Hashimoto K, Yoshikawa K.1 alpha,24R-dihydroxyvitamin D3 has an ability comparable to that of 1 alpha,25-dihydroxyvitamin D3 to induce keratinocyte differentiation.J Dermatol. 1990 Nov;17(11):707-9.  [Content Brief]

  [6]. Matsumoto K, Hashimoto K, Kiyoki M, Yamamoto M, Yoshikawa K.Effect of 1,24R-dihydroxyvitamin D3 on the growth of human keratinocytes.J Dermatol. 1990 Feb;17(2):97-103.  [Content Brief]