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编 号:F611269
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CAS No: 780758-10-3
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生物活性:
Nimotuzumab is a humanized IgG1 monoclonal antibody targeting EGFR with a KD of 0.21 nM. Nimotuzumab is directed against the extracellular domain of the EGFR blocking the binding to its ligands. Nimotuzumab, a strong antitumor agent, is cytolytic on target tumors by its capacity to cause antibody dependent cell mediated cytotoxicity (ADCC) and complement dependent cytotoxicity (CDC).
体外研究:
Nimotuzumab (10 μg/mL;24 小时) 诱导 NK 细胞上 CD16 的显著下调。 当与 NK:DC:HNSCC 细胞共培养时,Nimotuzumab (10 μg/mL;48 小时) 诱导 DC 上 PD-L1 分子的上调。 Nimotuzumab 的内在特性需要二价结合 (即与两个抗体臂同时结合两个靶点) 以稳定附着于细胞表面,这导致 Nimotuzumab 选择性地结合表达中度至高水平 EGFR 的细胞。