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Small molecular nanomedicines made from a camptothecin dimer containing a disulfide bond

机译:由含有二硫键的喜树碱二聚体制成的小分子纳米药物

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摘要

A small molecular camptothecin (CPT) dimer could self-assemble into stable nanoparticles in aqueous solution, which was characterized by TEM and DLS. These nanomedicines could be internalized by cancer cells as revealed by confocal laser scanning microscopy, and indicated high cellular proliferation inhibition toward HeLa and HepG2 cells with low IC50 values and reduction-responsive cytotoxicity towards HeLa cells. The feasible assembly method and outstanding properties of CPT-NPs provide an alternative approach for exploring new nanomedicines for cancer therapy.
机译:小分子喜树碱(CPT)二聚体可以在水溶液中自组装成稳定的纳米颗粒,这通过TEM和DLS进行了表征。共聚焦激光扫描显微镜显示,这些纳米药物可能会被癌细胞内化,并显示出对HeLa和HepG2细胞的高细胞增殖抑制作用,且IC50值低,并且对HeLa细胞具有降低反应性细胞毒性。 CPT-NPs的可行组装方法和出色性能为探索用于癌症治疗的新型纳米药物提供了另一种方法。

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