Zebularine(NSC309132; 4-Deoxyuridine)是DNA甲基化抑制剂,能与DNA甲基化酶共价结合,也能抑制Cytidinedeaminase酶活性,Ki值为2uM。
Zebularine(NSC 309132) is a DNA methylation inhibitor that forms a covalent complex with DNA methyltransferases, also inhibits cytidinedeaminase with Ki of 2 μM.
Saline
500 mg/kg, 1000 mg/kg 腹腔注射,口服饲喂
动物 A (mg/kg) = 动物 B (mg/kg)×动物 B的Km系数/动物 A的Km系数 | |
例如,已知某工具药用于小鼠的剂量为88 mg/kg , 则用于大鼠的剂量换算方法:将88 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到该药物用于大鼠的等效剂量44 mg/kg。
[1] Zhou L, et al. J Mol Biol, 2002, 321(4), 591-599.
[2] Cheng, Jonathan C., et al., 2003. Inhibition of DNA methylation and reactivation of silenced genes by zebularine. Journal of the National Cancer Institute. 95(5): 399-409.
[3] Frick, L., et al., 1989. Binding of pyrimidin-2-one ribonucleoside by cytidine deaminase as the transition-state analogue 3,4-dihydrouridine and the contribution of the 4-hydroxyl group to its binding affinity. Biochemistry. 28(24): 9423-30.
[4] Cheng, Jonathan C., et al., 2004. Preferential response of cancer cells to zebularine. Cancer cell. 6(2): 151-8.
分子式 C9H12N2O5 |
分子量 228.2 |
CAS号 3690-10-6 |
储存方式 ﹣20 ℃冷藏长期储存。冰袋运输 |
溶剂(常温) |
DMSO >25 mg/mL |
Water >25 mg/mL |
Ethanol <1 mg/mL |
体内溶解度
注:以上所有数据均来自公开文献,并不保证对所有实验均有效,数据仅供参考。
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