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- 文献和实验
- 技术资料
- 保存条件：
-20°C
- 保质期：
咨询
- 英文名：
5-Fluorouracil
- 库存：
1000+
- 供应商：
上海维亦特生物
- CAS号：
51-21-8
分子式：C4H3FN2O2
分子量：130.08
溶剂：DMSO (25 mg/ml)
性状：White solid
存储：-20°C
Activity (short version)：Thymidylate synthase inhibitor
Function / Pharmacology：5-Fluorouracil (5-FU) is a clinically useful anticancer agent that acts via irreversible inhibition of thymidylate synthase. The active metabolites of 5-FU are 5-Fluorodeoxyuridylate (5-FdUMP), 5-Fluorodeoxyuridine triphosphate (5-FdUTP) and 5-Fluorouridine triphosphate (5-FUTP). The primary cytotoxic effect of 5-FU is believed to be inhibition of thymidylate synthase by 5-FdUMP. Secondary effects include incorporation of 5-FdUTP into DNA resulting in DNA strand breaks and incorporation of 5-FUTP into RNA causing abnormal RNA processing.1
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文献和实验5-Fluorouracil Metabolizing Enzymes
The uracil analog 5-fluorouracil (5-FU) is used as part of combination therapy for the treatment of breast, head/neck, and gastrointestinal malignancies, and has single-agent activity in colorectal cancer. 5-FU itself is inactive and requires
尿嘧啶5位上的氢为氟所代换的一种碱基类似物。如果投与动物，可和尿嘧啶同样地被吸收而阻碍细胞的增殖。其作用是在生物体内核糖基化和磷酸化，变成氟尿嘧啶核苷酸，认为此酸由于能抑制胸腺嘧啶核苷酸合成酶，因而可抑制DNA的合成。另外由于能形成三磷酸氟尿嘧啶，也为RNA所摄取，所以可合成异常的蛋白质。
Orotate phosphoribosyl transferase (OPRT) is the initial enzyme of 5-FU activation, in which 5-FU is converted to 5-fluorouridinemonophosphate. Dihydropyrimidine dehydrogenase (DPD) is a degrading enzyme that catabolizes 5-FU. In this study
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