Effectofperiocularinjectionofcelecoxibandpropranololonocularlevelofvascularendothelialgrowthfactorinadiabeticmousemodel
摘要: AIM:Toinvestigatetheeffectsofperiocularinjectionofpropranololandcelecoxibonocularlevelsofvascularendothelialgrowthfactor(VEGF)inadiabeticmousemodel.METHODS:Forty4-6wkBALB-Cmalemiceweighing20-25gwereused.Thestudygroupsincluded:non-diabeticcontrol(group1),diabeticcontrol(group2),diabeticpropranolol(group3),anddiabeticcelecoxib(group4).Afterinductionoftype1diabetesbystreptozotocin,propranolol(10μg)andcelecoxib(200μgdissolvedincarboxymethylcellulose0.5%)wereinjectedperiocularly.TheocularlevelofVEGFwasmeasuredinallthestudygroupsusingenzyme-linkedimmunosorbentassay(ELISA)method.RESULTS:OcularVEGFlevelwassignificantlyincreased(1.25fold)inthediabeticcontrolgroupwhencomparedtothenon-diabeticgrouponeweekafterinductionwithstreptozotocin(P=0.002).BothperiocularpropranololandcelecoxibsignificantlyreducedocularVEGFlevels(P=0.047andP<0.001,respectively).Theeffectwasmorepronouncedwithcelecoxib.CONCLUSION:TheperiocularadministrationofpropranololandcelecoxibcansignificantlyreduceocularVEGFlevelsinadiabeticmousemodel. ...
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