癌症治疗
癌细胞
材料科学
癌症研究
癌症
纳米技术
医学
内科学
作者
Zhongmin Tang,Yanyan Liu,Dalong Ni,Jiajia Zhou,Meng Zhang,Peiran Zhao,Bin Lv,Han Wang,Dayong Jin,Wenbo Bu
标识
DOI:10.1002/adma.201904011
摘要
Abstract Biodegradable nanoprodrugs, inheriting the antitumor effects of chemotherapy drugs and overcoming the inevitable drawback of side effects on normal tissues, hold promise as next‐generation cancer therapy candidates. Biodegradable nanoprodrugs of transferrin‐modified MgO 2 nanosheets are developed to selectively deliver reactive oxygen species to cancer cells for molecular dynamic therapy strategy. The nanosheets favor the acidic and low catalase activity tumor microenvironment to react with proton and release nontoxic Mg 2+ . This reaction simultaneously produces abundant H 2 O 2 to induce cell death and damage the structure of transferrin to release Fe 3+ , which will react with H 2 O 2 to produce highly toxic ·OH to kill tumor cells.
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