Tacalcitol

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.

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