根据抗肿瘤药物主要干扰的生化步骤或所抑制的靶酶的不 同,可分下面几种: 3.2.1 叶酸拮抗物(Antifolates) 叶酸拮抗物可用于缓解急性白血病, 如氨基蝶呤(Aminopterin)主要作用于二 氢叶酸还原酶,临床效果好。
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Some of antifolates have been clinically used as antitumor agents.
在临床上用作抗肿瘤药物。
The molecular mechanism of resistance to the antifolates has been well characterisied and is due to structural changes in the target enzymes resulting from the point mutations of DHFR or DHPS gene.
抗叶酸类抗疟药的抗药性机制已基本搞清,与其作用靶酶二氢叶酸还原酶或二氢蝶酸合成酶基因点突变相关。
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