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Cefazolin

頭孢唑林
Mechanism of action:
Cefazolin 是一種第一代頭孢菌素抗生素(first-generation cephalosporin antibiotic)。Cefazolin 的 β-內醯胺(β-lactam)環可與細菌的青黴素結合蛋白(penicillin-binding proteins,PBPs)結合,抑制其轉肽酶(transpeptidase)活性,使肽聚醣(peptidoglycan)鏈無法交聯,最後細胞壁結構脆弱,因滲透壓而讓細菌裂解死亡。
Reference(s):
Yotsuji A et al. (1988). Mechanism of action of cephalosporins and resistance caused by decreased affinity for penicillin-binding proteins in Bacteroides fragilis. Antimicrob Agents Chemother.
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