A plug-and-play approach to antibody-based therapeutics via a chemoselective dual click strategy.

A plug-and-play approach to antibody-based therapeutics via a chemoselective dual click strategy.
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DOI:
10.1038/ncomms7645
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发表时间:
2015-03-31
影响因子:
16.6
通讯作者:
Caddick, Stephen
Caddick, Stephen
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Maruani, Antoine;Smith, Mark E. B.;Miranda, Enrique;Chester, Kerry A.;Chudasama, Vijay;Caddick, Stephen

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尽管最近用于抗体-药物缀合物(ADC)的工程化的方法已经在一定程度上解决了ADC构建的挑战性问题,但仍然存在重大障碍。显然,需要构建具有更高稳定性、均匀性和灵活性的新型ADC平台。在这里,我们描述了通过提供结合了联合收割机位点特异性修饰、优异的多功能性和高稳定性,并保留了抗体结合和修饰后结构的构建体,朝向下一代基于抗体的治疗剂的平台迈出的重要一步。在生物学背景下的工作的相关性也证明了在细胞毒性试验和细胞内化研究与HER 2阳性和阴性乳腺癌细胞系。 抗体-药物缀合物是一类将抗体的导向能力与细胞毒性药物的细胞杀伤能力相结合的治疗剂。在这里,作者描述了一种基于点击化学的方法,该方法能够快速组装具有新治疗模式潜力的双修饰抗体。
Although recent methods for the engineering of antibody–drug conjugates (ADCs) have gone some way to addressing the challenging issues of ADC construction, significant hurdles still remain. There is clear demand for the construction of novel ADC platforms that offer greater stability, homogeneity and flexibility. Here we describe a significant step towards a platform for next-generation antibody-based therapeutics by providing constructs that combine site-specific modification, exceptional versatility and high stability, with retention of antibody binding and structure post-modification. The relevance of the work in a biological context is also demonstrated in a cytotoxicity assay and a cell internalization study with HER2-positive and -negative breast cancer cell lines. Antibody–drug conjugates are a class of therapeutic combining the directing ability of antibodies with the cell-killing ability of cytotoxic drugs. Here the authors describe an approach based on click chemistry that enables the rapid assembly of dual-modified antibodies with potential for new therapeutic modalities.
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