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来普霉素 Leptomycin B

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品牌: 进口
产品型号: Leptomycin B 87081-35-4
产品规格: 5ug 10ug 50ug
起订: 1 ug
供货总量: 1000 ug
发货期限: 自买家付款之日起3天内发货
所在地: 上海
有效期至: 长期有效
最后更新: 2023-12-13 13:09
浏览次数: 492
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公司基本资料信息
产品详细说明
上海惠诚生物为广大科研用户提供科学仪器,试剂耗材等专业科研产品服务。

代理产品品牌有:Nu-chek、LKT、AccuStandard、APSC、MPBio、Sigma-Aldrich、NIST,Reagecon、Megazyme,LGC、Ultra,日本和光(WAKO)、Shodex,Dr.E、PSS ,Matreya,CaroteNature,瑞典Larodan产品等。提供美国药典USP 、欧洲药典标 EDQM、加拿大TRC标准物质等.

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Des cription
Leptomycin is a polyketide antibiotic produced by Streptomyces. Leptomycin exhibits anticancer and antifungal activity. Leptomycin inhibits CRM1, preventing nuclear export of proteins. In lung cancer cells, leptomycin induces G1 phase cell cycle arrest; in cervical carcinoma cells, leptomycin increases activation of p53, inducing apoptosis.
Specifications
Cas No. 87081-35-4
Product ID L1761
Product Name Leptomycin B 来普霉素 分析标准品
Chemical Name 19-(3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo- 2,10,12,16,18-Nonadecapentaenoic acid
Synonym LMB; Elactocin, CI-940, CL-1957A, NSC-364372, PD-114720.
Formula C33H48O6 分子式
Formula Wt. 540.74 分子量
Melting Point 41oC-44oC
Purity ≥98% 纯度
Solubility Soluble in ethanol or methanol.
Stability WARNING: Small quantities of LepB are reported to be unstable when dried down into a film. Thus, under no circumstances should the solvent be removed from solutions of LepB, because rapid decomposition may result.
Store Temp -20oC
References Sun Q, Carrasco YP, Hu Y, et al. Nuclear export inhibition through covalent conjugation and hydrolysis of Leptomycin B by CRM1. Proc Natl Acad Sci U S A. 2013 Jan 22;110(4):1303-8. PMID: 23297231.

Abkallo HM, Kawano H, Watanabe K, et al. A new cell-based reporter system for sensitive screening of nuclear export inhibitors. Drug Discov Ther. 2011 Dec;5(6):286-92. PMID: 22466439.

Lu C, Shao C, Cobos E, et al. Chemotherapeutic sensitization of leptomycin B resistant lung cancer cells by pretreatment with doxorubicin. PLoS One. 2012;7(3):e32895. PMID: 22412944.

Hamamoto T, Gunji S, Tsuji H, et al. Leptomycins A and B, new antifungal antibiotics. I. Taxonomy of the producing strain and their fermentation, purification and characterization. J Antibiot (Tokyo). 1983 Jun;36(6):639-45. PMID: 6874585.

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