Development of a new EGFR antibody antagonist which exhibits potential biological effects against laryngeal cancer
2021
Background Laryngeal cancer is a common malignant tumor of the head and neck. Clinical treatment methods mainly include radiotherapy and chemotherapy, but the toxicity and side effects of these treatments seriously affect the quality of life of patients. Currently, there are no specific anti-laryngeal cancer drugs available. Therefore, it is necessary to develop new targeted drugs for laryngeal cancer. Methods We established a cell model of laryngeal cancer in vitro and a TU686 xenograft model in vivo. We then carried out the related research through a series of experiments [including laser confocal microscopy, enzyme linked immune sorbent assay (ELISA) and Western blot]. Results The results showed that the epidermal growth factor receptor (EGFR) antibody antagonist 6E-C could not only specifically bind to EGFR, but also specifically inhibit the binding of EGF to EGFR. Further analysis indicated that 6E-C could inhibit the EGFR-mediated intracellular signaling pathway. Furthermore, 6E-C inhibited xenograft tumor growth in vivo. Conclusions In summary, we have successfully prepared a new anti-EGFR antibody antagonist, which exhibited anti-laryngeal cancer effects in vitro and in vivo. The current research demonstrates that the EGFR antibody antagonist 6E-C shows potential as an effective anti-laryngeal cancer agent, with potential clinical application value. This study therefore provides a solid foundation for related research in the future.
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