5α,6β-Dihydroxycholestanol
(Synonyms: 胆甾烷-3,5,6-三醇) 目录号 : GC18176An oxysterol metabolite of cholesterol
Cas No.:1253-84-5
Sample solution is provided at 25 µL, 10mM.
Quality Control & SDS
- View current batch:
- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
5α,6β-Dihydroxycholestanol is an oxysterol metabolite of cholesterol formed from conversion of cholesterol epoxides by 5,6-epoxysterol hydrolase. It inhibits NMDA-mediated calcium influx in HEK293 cells expressing NR1/NR2B NMDA receptors in a concentration-dependent manner. It also binds to voltage-gated sodium (Nav) channels and decreases action potentials in hippocampal neurons in vitro when used at a concentration of 10 uM. It increases survival of spinal cord motoneurons, cortical neurons, and cerebellar granule neurons in vitro when used at concentrations ranging from 5 to 15 uM. 5α,6β-Dihydroxycholestanol is neuroprotective in a rat model of cerebral ischemia when administered at a dose of 12 mg/kg and increases latency to seizure onset and reduces severity of seizures induced by pentylenetetrazole in rats. 5α,6β-Dihydroxycholestanol has been used as a replacement for cholesterol in the study of cholesterol binding proteins.
References:
[1]. Aringer, L., and Eneroth, P. Formation and metabolism in vitro of 5,6-epoxides of cholesterol and β-sitosterol J. Lipid Res. 15(4), 389-398 (1974).
[2].Tang, L., Yan, M., Leng, T., et al. Cholestane-3β, 5α, 6β-triol suppresses neuronal hyperexcitability via binding to voltage-gated sodium channels Biochem. Biophys. Res. Commun. 496(1), 95-100 (2018).
[3].Hu, H., Zhou, Y., Leng, T., et al. The major cholesterol metabolite cholestane-3β,5α,6β-triol functions as an endogenous neuroprotectant J. Neurosci. 34(34), 11426-11438 (2014).
[4].Sheng, R., Kim, H., Lee, H., et al. Cholesterol selectively activates canonical Wnt signalling over non-canonical Wnt signalling Nat. Commun. 5:4393, (2014).
Cas No. | 1253-84-5 | SDF | |
别名 | 胆甾烷-3,5,6-三醇 | ||
化学名 | cholestane-3β,5α,6β-triol | ||
Canonical SMILES | C[C@H](CCCC(C)C)[C@@]1([H])CC[C@@]2([H])[C@]3([H])C[C@@H](O)[C@@]4(O)C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@@]21C | ||
分子式 | C27H48O3 | 分子量 | 420.7 |
溶解度 | DMF: 2 mg/ml,DMSO: 0.1 mg/ml,Ethanol: 20 mg/ml,Ethanol:PBS (pH 7.2)(1:2): 0.3 mg/ml | 储存条件 | Store at -20°C |
General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。 储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。 为了提高溶解度,请将管子加热至37℃,然后在超声波浴中震荡一段时间。 |
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Shipping Condition | 评估样品解决方案:配备蓝冰进行发货。所有其他可用尺寸:配备RT,或根据请求配备蓝冰。 |
制备储备液 | |||
1 mg | 5 mg | 10 mg | |
1 mM | 2.377 mL | 11.885 mL | 23.7699 mL |
5 mM | 0.4754 mL | 2.377 mL | 4.754 mL |
10 mM | 0.2377 mL | 1.1885 mL | 2.377 mL |
第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量) | ||||||||||
给药剂量 | mg/kg | 动物平均体重 | g | 每只动物给药体积 | ul | 动物数量 | 只 | |||
第二步:请输入动物体内配方组成(配方适用于不溶于水的药物;不同批次药物配方比例不同,请联系GLPBIO为您提供正确的澄清溶液配方) | ||||||||||
% DMSO % % Tween 80 % saline | ||||||||||
计算重置 |
计算结果:
工作液浓度: mg/ml;
DMSO母液配制方法: mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL,
体内配方配制方法:取 μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL saline,混匀澄清。
1. 首先保证母液是澄清的;
2.
一定要按照顺序依次将溶剂加入,进行下一步操作之前必须保证上一步操作得到的是澄清的溶液,可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。