Article
Selenide-Bridged Redox-Responsive Nanoparticles: A Synergistic Strategy to Overcome p53 Mutation-Mediated Drug Resistance in Gastric Cancer.
ACS nano - 4 Aug 2026
Tang Cuiman, Wang Zhongjuan, Liu Yankun, Liu Zhicun, Zhu Wen, Zhao Xiuhua
Abstract excerpt
Selenium deficiency is linked to gastric cancer, and p53 mutant tumors often acquire chemoresistance. To address this, we designed a camptothecin (CPT) dimeric prodrug with a hybrid -S-Se-S- linker (CPT-S-Se-S-CPT). It self-assembles into uniform nanoparticles (SSeSCPT NPs) with dual redox-responsive release triggered by glutathione and reactive oxygen species. Selenium plays dual synergistic roles: it enhances...
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