Nimotuzumab is a humanized IgG1 monoclonal antibody targeting EGFR with a K_D of 0.21 nM. Nimotuzumab is directed against the extracellular domain of the EGFR blocking the binding to its ligands. Nimotuzumab, a strong antitumor drug, is cytolytic on target tumors by its capacity to cause antibody dependent cell mediated cytotoxicity (ADCC) and complement dependent cytotoxicity (CDC)^[1][2].

Nimotuzumab (10 μg/mL; 24 hours) induces significant downregulation of CD16 on NK cells^[1].
Nimotuzumab (10 μg/mL; 48 hours) induces the upregulation of PD-L1 molecule on DCs when co-cultured with the NK: DC: HNSCC cells^[1].
The intrinsic properties of Nimotuzumab requires bivalent binding (i.e., binding with both antibody arms to two targets simultaneously) for stable attachment to cellular surface, which leads to Nimotuzumab selectively binding to cells that express moderate to high EGFR levels^[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

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• [1]. Zaima Mazorra, et al. Nimotuzumab Induces NK Cell Activation, Cytotoxicity, Dendritic Cell Maturation and Expansion of EGFR-Specific T Cells in Head and Neck Cancer Patients. Front Pharmacol. 2017 Jun 19;8:382.

  [2]. Melarkode S Ramakrishnan, et al. Nimotuzumab, a promising therapeutic monoclonal for treatment of tumors of epithelial origin. MAbs. Jan-Feb 2009;1(1):41-8.