Ancitabine hydrochloride
作者：齐岳
发布时间：2023-09-14
08:57:48
点击数：
产品名称：Ancitabine hydrochloride
产品描述：
| 植物来源 | 天然产物 > 其他（植物来源） > 其他 |
| 产品描述 | Ancitabine Hydrochloride is the hydrochloride salt of a cytarabine congener prodrug with antineoplastic activity. Upon administration, ancitabine is slowly hydrolyzed into cytarabine. Subsequently, cytarabine is converted to the triphosphate form within the cell and then competes with cytidine for incorporation into DNA. Because the arabinose sugar sterically hinders the rotation of the molecule within DNA, DNA replication ceases, specifically during the S phase of the cell cycle. Cytarabine agent also inhibits DNA polymerase, resulting in a decrease in DNA replication and repair. Compared to cytarabine, a more prolonged, consistent cytarabine-mediated therapeutic effect may be achieved with ancitabine because of the slow hydrolytic conversion of ancitabine to cytarabine. |
| 体外活性 | 作为一种有效的免疫抑制剂,抗病毒和抗肿瘤剂,Cyclocytidine可用于白血病治疗.其需要用不同的复合注射方法才可发挥最大抑制效果. |
| 体内活性 | Cyclocytidine对需要DNA复制和处于有丝分裂快速分裂期的细胞作用最为明显。Cyclocytidine对DNA合成所需的DNA和RNA聚合酶以及核苷酸还原酶有也抑制作用。与人类的脱氧核苷结构相似,Cyclocytidine HCl (Ancitabine)整合到人类的DNA以杀死细胞,是Cytarabine的前体药物。 |
| 激酶实验 | Human placental aromatase activity: The assay is performed in a total volume of 1 mL at 37 ℃. Unless otherwise noted, the incubation mixture contains 11 nM [4- 14C] androstene-3, 17-dione ([4- 14C]A), 24 mM NADPH (tetrasodium salt Type III), the appropriate concentrations of the desired inhibitor, and 120 μg of microsomal protein. The (4- 14C)A is added as a solution in 1.7% ethanol in 0.05 M potassium phosphate buffer (pH 7.4), so that the final concentration of ethanol does not exceed 0.02% (v/v). The reaction is started by the addition of enzyme and stopped after 20 min by the addition of 7 vol of ethyl acetate. The mixture is agitated on a vortex mixer and centrifuged at 600 g for 5 min. The aqueous phase is re-extracted with 7 vol of ethyl acetate, and the combined extracts are evaporated to dryness using an Evapo-Mix. Over 99% of the radio- active of [4- 14C] added is recovered using this extraction system. The residue obtained is dissolved in 150 μL acetone, and 100 μL aliquots are chromatographed for 65 min on thin-layer plates precoated with silica gel 60 using ethyl: acetate: isooctane (140:60, v/v; system A) or toluene: chloroform: methanol (70:140:20; system B). The radioactive zones of the plate are located with a Berthold LB 2760 thin-layer scanner. The radioactive estradiol (E2) and estrone (E1) neaks are identified by comparison with authentic standards. The corresponding bonding band of silica gel is transferred to vials containing 10 mL of scintillation fluid, and counted with a 6880 Liquid Scintillation system. |
| 别名 | 盐酸环胞苷, Cyclocytidine hydrochloride, Cyclocytidine HCl, NSC 145668 HCl, Cyclo-CMP hydrochloride, Cyclo-C |
| 分子量 | 261.66 |
| 分子式 | C9H12ClN3O4 |
| CAS No. | 10212-25-6 |
存储
Powder: -20°C for 3 years | In solvent: -80°C for 2 years
溶解度
Ethanol: <1 mg/mL
DMSO: 10 mg/mL (38.22 mM)
H2O: 40 mg/mL (152.9 mM)
( < 1 mg/mL refers to the product slightly soluble or insoluble )
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