Tetrahydrouridine 英文名称: Tetrahydrouridine | ||||||||||||||||||||||||||||||||||||||||||
型号:null 产品货号: IEN1601-0010MG | ||||||||||||||||||||||||||||||||||||||||||
价格:请致电:010-57128832,18610462672 | ||||||||||||||||||||||||||||||||||||||||||
品牌: gene operation | ||||||||||||||||||||||||||||||||||||||||||
IEN1601-Tetrahydrouridine Tetrahydrouridine,≥85% 【英文同义名】:3, 4, 5, 6-Tetrahydrouridine, THU, H4Urd, NSC-112907 【中文同义名】:四氢尿苷 订购信息:(原装进口,常备现货)
产品描述嘧***核苷类似物四氢尿苷(Tetrahydrouridine, THU)是一种有效的胞苷脱氨酶(CDA)抑制剂,Ki值为2.4×10-7 M。竞争性阻断酶活性位点,比作用于内源性胞嘧***的活性更强 [1]。THU是一种强力的多药耐药性调节剂和***线增敏剂。体内外研究中,常与胞苷类似物,如5-氮杂胞苷[2],阿糖胞苷(Ara-C) [3],吉西他滨 (dFdC)[4],和地西他滨[5]联合使用,因为四氢尿苷能够维持这些药物的半衰期,从而临床前和临床实验中增强以上药物的抗肿瘤特性。 靶点
化学特性
储存液配制
结构式使用浓度(仅作参考)Tetrahydrouridine的具体使用浓度请参考相关文献,并根据自身实验条件(如实验目的,细胞种类,培养特性等)进行摸索和优化。 参考文献[1] Cohen RM, et al. Cytidine deaminase from Escherichia coli: purification, properties and inhibition by the potential transition state analog 3,4,5,6-tetrahydrouridine. J Biol Chem. 246(24): 7561–5 (1971). [2] Neil GL, et al. Enhancement by tetrahydrouridine (NSC-112907) of the oral activity of 5-azacytidine (NSC-102816) in L1210 leukemic mice. Cancer Chemother Rep. 59(3):459–65 (1975). [3] Riccardi R, et al. Influence of tetrahydrouridine on the pharmacokinetics of intrathecally administered 1-beta-D-arabinofuranosylcytosine. Cancer Res. 42(5):1736-9 (1982). [4] Beumer JH, et al. Modulation of gemcitabine (2,2-difluoro-2-deoxycytidine) pharmacokinetics, metabolism, and bioavailability in mice by 3,4,5,6-tetrahydrouridine. Clin Cancer Res. 14(11):3529-35 (2008). [5] Lavelle D, et al. Effects of tetrahydrouridine on pharmacokinetics and pharmacodynamics of oral decitabine. Blood. 119(5):1240-7 (2012). |