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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
Powder: -20°C, 3 years; 4°C, 2 years.In solvent: -80°C, 6 months; -20°C, 1 month.
- 英文名:
ARQ-501; NSC-26326
- 库存:
货期:1-2天
- 供应商:
MedChemExpress LLC
- 规格:
10 mM * 1 mL/1 mg/5 mg/10 mg/25 mg/50 mg/100 mg/200 mg
| 规格: | 10 mM * 1 mL | 产品价格: | ¥498.0 |
|---|---|---|---|
| 规格: | 1 mg | 产品价格: | ¥187.0 |
| 规格: | 5 mg | 产品价格: | ¥371.0 |
| 规格: | 10 mg | 产品价格: | ¥600.0 |
| 规格: | 25 mg | 产品价格: | ¥1114.0 |
| 规格: | 50 mg | 产品价格: | ¥1750.0 |
| 规格: | 100 mg | 产品价格: | ¥2750.0 |
| 规格: | 200 mg | 产品价格: | ¥4225.0 |
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β-Lapachone
CAS No. : 4707-32-8
MCE 国际站:β-Lapachone
产品活性:β-Lapachone (ARQ-501;NSC-26326) 是一种天然的萘醌类化合物,是拓扑异构酶 I (topoisomerase I) 抑制剂,通过抑制细胞周期进程来诱导细胞凋亡。
研究领域:Cell Cycle/DNA Damage | Autophagy | Apoptosis
作用靶点:Topoisomerase | Autophagy | Apoptosis
In Vitro: β-Lapachone is a topoisomerase I inhibitor. β-Lapachone (25 μM) inhibits camptothecin-induced DNA cleavage.
β-Lapachone (10-40 μM) significantly reduces the colony-forming ability of CHO cells, and is cytotoxic in S phase. β-Lapachone at above 10 μM, causes a heavy DNA-strand breaks in CHO cells.
β-Lapachone (10 μM) suppresses JCPyV replication in IMR-32 cells. β-Lapachone (1.0?μM) potently affects JCPyV propagation in JCI cells. β-Lapachone (0.01-0.1 μM) inhibits VP1 production in JCI cells.
In Vivo: β-Lapachone (0.066%) ameliorates cisplatin-induced renal injury and when in combination with cisplatin, the affect is more significant in mice. β-Lapachone increases Mre11-Rad50-Nbs1 (MRN) complex expression in mice.
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文献和实验Nature 子刊:中国团队在扇贝足丝蛋白仿生材料研究领域取得重要研究进展
327 ± 32%(图 1a),超过了绝大多数天然的生物纤维(图 1b)。通过对足丝纤维部 (图 1c) 微观结构进行观察,足丝纤维由折叠的片层组成,并且富含 β-sheet 结构 (图 1d)。基于多组学技术从足丝纤维部筛选出关键蛋白组分 Sbp5-2(图 1e), 该蛋白具有显著的序列特点:含有多个重复模块(TRM)并且富含 Cys(图 1f)。体外重组表达该蛋白的重复模块序列成功制备了仿扇贝足丝的重组蛋白纤维(图 1 g-j)。 图 1. 扇贝足丝机械性能与结构以及重组蛋白纤维制备 体外
点为 pH5. 5,据称分子量为 32— 34万。人体血纤维蛋白原在体内的半衰期是 4— 5天,主要在肝细胞中产生.血纤维蛋白原分子由称为α( A)链、β( B)链、γ链的三种多肽链,各自成对,以 S-S键结合成二聚体. 1分子血纤维蛋白原以 [α( A)β( B)γ) 2表示,血液凝固时.受凝血酶的作用.从 1分子的血纤维蛋白原的α和β链分别游离出血纤维蛋白肽 A和血纤维蛋白肽 B而形成血纤维蛋白单体。其结果失去 3%的氮。血纤维蛋白肽 A的游离是与血纤维凝 块( fibri- nclot)(血饼
/RecT from the Rac phage or Redα/Redβ from the λ phage, to assist in the cloning or subcloning of fragments of DNA into vectors without the need of restriction enzyme sites or ligases (7,8). A limitation of the original homologous recombination technique
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