8-dehydro Cholesterol
目录号 : GC18544An isomer of 7-DHC
Cas No.:70741-38-7
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >95.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
8-dehydro Cholesterol (8-DHC) is an isomer of the cholesterol precursor 7-DHC .[1][2][3] It accumulates in tissues and plasma in patients with Smith-Lemli-Opitz syndrome (SLOS), a disorder characterized by a mutation in DHCR7, the gene encoding 3β-hydroxysterol-Δ7-reductase, and decreased cholesterol levels in bodily tissues and fluids, as well as microcephaly, intellectual disability, and distinctive dysmorphic features. 8-DHC levels are increased in serum in a rat model of SLOS induced by the DHCR7 inhibitor AY 9944 .[1][2][3]
Reference:
[1]. Wolf, C., Chevy, F., Pham, J., et al. Changes in serum sterols of rats treated with 7-dehydrocholesterol-Δ7-reductase inhibitors: Comparison to levels in humans with Smith-Lemli-Opitz syndrome. J. Lipid. Res. 37(6), 1325-1333 (1996).
[2]. Björkhem, I., Starck, L., Andersson, U., et al. Oxysterols in the circulation of patients with the Smith-Lemli-Opitz syndrome: Abnormal levels of 24S- and 27-hydroxycholesterol. J. Lipid Res. 42(3), 366-371 (2001).
[3]. Griffiths, W.J., Abdel-Khalik, J., Crick, P.J., et al. Sterols and oxysterols in plasma from Smith-Lemli-Opitz syndrome patients. J. Steroid Biochem. Mol. Biol. 169, 77-87 (2017).
| Cas No. | 70741-38-7 | SDF | |
| 化学名 | cholesta-5,8-dien-3β-ol | ||
| Canonical SMILES | O[C@H](C1)CC[C@@]2(C)C1=CCC3=C2CC[C@@]4(C)[C@@]3([H])CC[C@]4([H])[C@@H](CCCC(C)C)C | ||
| 分子式 | C27H44O | 分子量 | 384.6 |
| 溶解度 | DMSO : 5.56 mg/mL (14.46 mM; ultrasonic and warming and heat to 60°C) | 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 | 2.6001 mL | 13.0005 mL | 26.001 mL |
| 5 mM | 0.52 mL | 2.6001 mL | 5.2002 mL |
| 10 mM | 0.26 mL | 1.3001 mL | 2.6001 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。