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Norfloxacin

諾氟沙星
Mechanism of action:
Norfloxacin 是一種第一代喹諾酮類(first-generation quinolone)衍生物。Norfloxacin 能與 DNA 旋轉酶(DNA gyrase,細菌的拓撲異構酶 II,topoisomerase II)複合體結合,阻止該酵素重新連接 DNA,導致細菌 DNA 斷裂。Norfloxacin 也會部分抑制拓撲異構酶 IV(topoisomerase IV)的活性,使細菌 DNA 無法正確分離與複製。
Reference(s):
Goldstein EJ et al. (1987). Norfloxacin, a fluoroquinolone antibacterial agent. Classification, mechanism of action, and in vitro activity. Am J Med.
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