Description | DynasoreisaninhibitoroftheGTPaseactivityofdynaminwithanIC50of15μM. |
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IC50&Target | IC50:15μM(GTPaseactivityofdynamin1and2)[1] |
InVitro | DynasoreinterfereswiththeGTPaseactivityofdynamin1,dynamin2,andDrp1,themitochondrialdynamin,butnotofothersmallGTPases.Dynasoreactsasapotentinhibitorofendocyticpathwaysknowntodependondynaminbyrapidlyblockingcoatedvesicleformationwithinsecondsofdynasoreaddition.Twotypesofcoatedpitintermediatesaccumulateduringdynasoretreatment,g-shaped,halfformedpitsandO-shaped,fullyformedpits,capturedwhilepinchingoff[1].DynasoreinhibitsHSV-1andHSV-2infectionofhumanepithelialandneuronalcells,includingprimarygenitaltractcellsandhumanfetalneuronsandastrocytes.Dynasorereducesthenumberofviralcapsidsreachingthenuclearporeifaddedatthetimeofviralentryandthat,whenaddedaslateas8hpostentry,dynasoreblocksthetransportofnewlysynthesizedviralproteinsfromthenucleustothecytosol[2].Dynasorepreventsischemia/reperfusioninducedelevationofleftventricularenddiastolicpressure.DynasorealsodecreasescardiactroponinIeffluxduringreperfusionandreducesinfarctsize.Inculturedadultmousecardiomyocytessubjectedtooxidativestress,dynasoreincreasescardiomyocytesurvivalandviABIlity[3]. |
InVivo | Dynasoreamelioratesthemotordysfunctiongreatlyat3,7,and10daysafterSCIinrats.DynasoresignificantlyenhancesmotorfunctionwhichmaybebyinhibitingtheactivationofneuronalmitochondrialapoptoticpathwayandastrocyticproliferationinratsafterSCI[4]. |
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PreparingStockSolutions |
Pleaserefertothesolubilityinformationtoselecttheappropriatesolvent. | ||||||||||||||||||||||||||||
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CellAssay [3] | MouseventricularmyocytesareisolatedfrommaleadultC6/Blackmouse.Cardiomyocytessubjectsto2hoursofdrugtreatmentfollowedbyoxidativestress(30µMH2O2for35min).ForATPsupplementexperiments,thecellsaretreatedwith3mMATPfor30minbeforeexposuretoH2O2.Cardiomyocytesurvivalandviabilityareanalyzedbytrypanblueexclusion(TBE)assay[3].MCEhasnotindependentlyconfirmedtheaccuracyofthesemethods.Theyareforreferenceonly. AnimalAdmiNISTration | [4] Rat:Inthedynasoregroups,theratsaregivendynasoreimmediatelyatadoseof1,10,or30mg/kgthroughintraperitonealinjectionafterSCI,whiletheratsintheshamandSCIgroupsreceiveDMSO(samevolumeasdynasoregroups)throughintraperitonealinjection[4].MCEhasnotindependentlyconfirmedtheaccuracyofthesemethods.Theyareforreferenceonly. References |
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