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Dicloxacillin

雙氯西林
Mechanism of action:
Dicloxacillin 是一種 β-內醯胺類抗生素(β-lactam antibiotic)。Dicloxacillin 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,因滲透壓而讓細菌破裂死亡。
Reference(s):
Williamson R et al. (1980). In vivo interaction of beta-lactam antibiotics with the penicillin-binding proteins of Streptococcus pneumoniae. Antimicrob Agents Chemother.
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