Generating Giant Membrane Vesicles from Live Cells with Preserved Cellular Properties

查看全文 作　　者：Qiaoling [1]Liu;Cheng [1]Bi;Jiangling [1]Li;Xuejiao [1]Liu;Ruizi [1]Peng;Cheng [1]Jin;Yang [1,2]Sun;Yifan [1,2]Lyu;Hui [1]Liu;Huijing [1]Wang;Can [1]Luo;Weihong [1,2,3]Tan

机构地区：[1]Molecular Science and Biomedicine Laboratory(MBL),State Key Laboratory of Chemo/Bio-Sensing and Chemometrics,College of Biology,College of Chemistry and Chemical Engineering,Aptamer Engineering Center of Hunan Province,Hunan University,Changsha,China;[2]Institute of Molecular Medicine(IMM),Renji Hospital,Shanghai Jiao Tong University School of Medicine and School of Chemistry and Chemical Engineering,Shanghai Jiao Tong University,Shanghai,China;[3]Departments of Chemistry,Physiology and Functional Genomics,Molecular Genetics and Microbiology and Pathology and Laboratory Medicine,UF Health Cancer Center,Center for Research at the Bio/Nano Interface,University of Florida,Gainesville,FL,USA

出　　处：《Research》索引2019年第1期,共9页

基　　金：This work is supported by the National Key Scientifc Program of China[2011CB911000];Natural Science Foundation of China(NSFC)grants[21502050,21521063,and 21327009];China National Instrumentation Program[2011YQ03012412];the National Institutes of Health[GM079359,GM 111386,and CA133086];Beijing National Laboratory for Molecular Sciences(BNLMS201806). 摘　　要：Biomimetic giant membrane vesicles,with size and lipid compositions comparable to cells,have been recognized as an attractive experimental alternative to living systems.Due to the similarity of their membrane structure to that of body cells,cell-derived giant plasma membrane vesicles have been used as a membrane model for studying lipid/protein behavior of plasma membranes.However,further application of biomimetic giant membrane vesicles has been hampered by the side-efects of chemical vesiculants and the utilization of osmotic bufer.We herein develop a facile strategy to derive giant membrane vesicles(GMVs)from mammalian cells in biofriendly medium with high yields.Tese GMVs preserve membrane properties and adaptability for surface modifcation and encapsulation of exogenous molecules,which would facilitate their potential biological applications.Moreover,by loading GMVs with therapeutic drugs,GMVs could be employed for drug transport to tumor cells,which represents another step forward in the biomedical application of giant membrane vesicles.Tis study highlights biocompatible GMVs with biomimicking membrane surface properties and adaptability as an ideal platform for drug delivery strategies with potential clinical applications. 关键词：ATTRACTIVE SIMILARITY preserve

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Generating Giant Membrane Vesicles from Live Cells with Preserved Cellular Properties

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