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• 产品描述： 25,26-Dihydroxyvitamin D3(25,26-dihydroxycholecalciferol) is a metabolite of vitamin D3 with intestinal calcium transport activity. IC50 value: Target: VD metabolite The biological activity of synthetic 24,25 and 25,26 diOHD3 was studied in vitamin D-deficient rats. The purpose of this study was to investigate the influence of small doses of both metabolites (0.125-0.250 mug) upon intestinal calcium transport and bone calcium mobilization. Both metabolites were able to increase calcium absorption in rats maintained on a calcium-deficient diet, but failed to do it in rats on a normal calcium diet. Bilateral nephrectomy suppressed this effect. The bone calcium mobilization of both derivatives was measured in vitamin D and calcium- or phosphorus-deprived rats after one intravenous dose. When serum calcium was initially low, 24,25 and 25,26 diOHD3 increased serum calcium moderately, but the increment was only significant with 24,25 diOHD3.

• 靶点： Human Endogenous Metabolite

• 参考文献：
  1. DeLuca HF, et al. 25,26-dihydroxycholecalciferol, a metabolite of vitamin D3 with intestinal calcium transport activity. Biochemistry. 1970 Nov 24;9(24):4776-80. 2. Miravet L, et al. The biological activity of synthetic 25,26-dihydroxycholecalciferol and 24,25-dihydroxycholecalciferol in vitamin D-deficient rats. Calcif Tissue Res. 1976 Dec 2;21(3):145-52. 3. Fraher LJ, et al. Determination of circulating 25,26-dihydroxycholecalciferol in man by radioimmunoassay. Clin Sci (Lond). 1980 Oct;59(4):257-63.

• 溶解性： Soluble  in  DMSO

• 保存条件： 2-8℃

• 配置溶液浓度参考：
  

  	1mg	5mg	10mg
  1 mM	2.4 ml	12.001 ml	24.002 ml
  5 mM	0.48 ml	2.4 ml	4.8 ml
  10 mM	0.24 ml	1.2 ml	2.4 ml
  50 mM	0.048 ml	0.24 ml	0.48 ml

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本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系，公式为：

质量 (mg) = 浓度 (mM) x 体积 (mL) x 分子摩尔量 (g/mol)

• pg ng μg mg g kg =
  fM pM nM μM mM M *
  nL μL mL L *