实验研究Ciliaryneurotrophicfactor-loadedpolyethyleneglycol-polylactic-co-glycolicacidmicrobubblescombinedwithultrasoundforprotectionofretinalganglioncellsWANGWen-ting1,LIUSu1*,WANGZhi-gang2,ZHOUXi-yuan1(1.DepartmentofOphthalmology,theSecondAffiliatedHospitalofChongqingMedicalUniversity,Chongqing400010,China;2.InstituteofUltrasonicImaging,ChongqingMedicalUniversity,Chongqing400010,China)[Abstract]ObjectiveToprepareandobservethepropertiesofciliaryneurotrophicfactor-loadedpolyethyleneglycol-polylactic-co-glycolicacidultrasoundcontrastagents(CNTF-PEG-PLGA),andtoassesstheprotectioneffectofCNTF-loadedPEG-PLGAmicrobubblescombinedwithultrasoundonretinalganglioncells(RGCs)afteropticnerveinjuryinrats.MethodsCNTF-loadedPEG-PLGAultrasoundmicrobubbleswerepreparedusingdoubleemulsiontechnique,andtheproperti