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Rituximab
利妥昔單抗
Mechanism of action:
Rituximab 是一種嵌合型抗 CD20 的 IgG1 單株抗體(chimeric anti-CD20 monoclonal antibody)。CD20 主要分佈在成熟 B 細胞和大多數 B 細胞淋巴瘤。Rituximab 與這些細胞結合後,抗體的 Fc 區段可活化補體系統,形成膜攻擊複合物(membrane attack complex),導致 B 細胞淋巴瘤的細胞膜破壞與溶解。
Reference(s):
1. McLaughlin P et al. (1998). Rituximab chimeric anti-CD20 monoclonal antibody therapy for relapsed indolent lymphoma: half of patients respond to a four-dose treatment program. J Clin Oncol.
2. Edwards JC et al. (2004). Efficacy of B-cell-targeted therapy with rituximab in patients with rheumatoid arthritis. N Engl J Med.
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