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A multi-parameter-induced activation of gas therapeutic platform to remarkably amplify photodynamic therapy efficacy

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Science China Chemistry 2024年第7期67卷 2403-2411页

作者： Jie Sun Ziwen Zhang Hongyu Wu Xuemei Dong Chengjun Dong Lixin Sun Zhiqian Guo Yingchao Liu Xianfeng Gu Chunchang Zhao Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Institute of Fine ChemicalsSchool of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237China Department of Medicinal Chemistry School of PharmacyFudan UniversityShanghai 201203China Shandong Provincial Hospital Affiliated to Shandong First Medical University Shandong First Medical University&Shandong Academy of Medical ScienceJinan 250021China

gas therapy(GT)combined with photodynamic therapy(PDT)is an effective strategy to compensate for the PDT limitation caused by the hypoxic tumor microenvironment,which can greatly improve PDT *** uncontrolled leakage of gas molecules during delivery seriously hinders its practical biological ***,we report a multifunction nanomedicine that enables precise gas therapy(including carbon monoxide(CO)release and H_(2)S depletion)using a multi-parameter-induced activation gas release strategy,enlarging the PDT *** nanomedicine uses a disulfide bond to covalently link a photosensitizer with the CO donor 3-hydroxyflavone(3-HF).The disulfide bond can be specifically consumed in H_(2)S-rich tumor areas,releasing the CO donor(3-HF),and also depleting H_(2)*** importantly,the photo-controlled production of^(1)O_(2)can induce 3-HF precise release of CO in the tumor *** H_(2)S,light,and^(1)O_(2)multi-parameter-induced activation of gas release strategy ensures the accuracy of GT to amplify PDT *** expected,in vitro and in vivo investigations show that GT makes up for the PDT limitation,exhibiting the highest tumor therapeutic *** multi-parameter-activated design strategy provides a new way to improve the precision and efficacy of multimodal synergistic therapy of tumors.

关键词： gas therapy precision gas release hydrogen sulfide depletion photodynamic therapy multimodal synergistic therapy

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