Optimization of IEDDA bioorthogonal system: Efficient process to improve trans-cyclooctene/tetrazine interaction
作者:Jean-Baptiste Béquignat、Nancy Ty、Aurélie Rondon、Ludivine Taiariol、Françoise Degoul、Damien Canitrot、Mercedes Quintana、Isabelle Navarro-Teulon、Elisabeth Miot-Noirault、Claude Boucheix、Jean-Michel Chezal、Emmanuel Moreau
DOI:10.1016/j.ejmech.2020.112574
日期:2020.10
approach for solid cancers. However, IEDDA pretargeting has not reached clinical trial. The major limitation of the IEDDA strategy depends largely on trans-cyclooctene (TCO) stability. Indeed, TCO may isomerize into the more stable but unreactive cis-cyclooctene (CCO), leading to a drastic decrease of IEDDA efficiency. We have thus developed both efficient and reproducible synthetic pathways and analytical
使用逆电子需求Diels-Alder环加成法(IEDDA)进行放射免疫治疗(RIT)的抗体预靶向方法,构成了一种针对实体癌的新兴治疗学方法。但是,IEDDA预靶向尚未达到临床试验。IEDDA策略的主要局限性很大程度上取决于反式环辛烯(TCO)的稳定性。实际上,TCO可能异构化成更稳定但不反应的顺式环辛烯(CCO),导致IEDDA效率急剧下降。因此,我们已经开发了有效且可重复的合成途径以及(PEG化的)TCO衍生物的分析跟进,为抗体修饰提供了高TCO异构纯度。我们已经建立了一个原始工艺,以限制在单克隆抗体的功能化之前允许TCO异构化为CCO,以允许高TCO /四嗪环加成。