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Spatiotemporal Expression of tmie in the Inner Ear of Rats during Postnatal Development

机译:产后发育过程中大鼠内耳的时空表达

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Thecircling(cir/cir)mouseisamurinemodelforhumannonsyndromicdeafnessDFNB6.Transmembraneinnerear(tmie)isthecausativegeneanditsmutationthroughdeletionofa40-kilobasegenomicregionincludingtmieleadstodeafness.ThefunctionofTmieisunknown.TobetterunderstandthefunctionofTmie,wefocusedonthespatiotemporalexpressionoftmieintheratcochleabyusingaTmie-specificantibody.Resultsshowedthattmieexpressionwasprominentinearlypostnatalratcochleasinthestereociliabundlesofhaircells.TheTmiesignalspreadfromthestereociliatothehaircellbodyregionandontoorganofCorticells.NoTmiesignalwasobservedincellnuclei;Tmiewaslocalizedtothecytoplasm.BecauseTmieispredictedtohave1or2transmembranedomains,wepostulatethatitislocalizedtomembrane-basedorganellesortheplasmamembrane.OurresultsimplythatTmieexistsinthecytoplasmandmayhaveakeyroleinthematurationandstructureofstereociliabundlesindevelopinghaircells.Afterhaircellmaturation,TmieisthoughttobeinvolvedinthemaintenanceoforganofCorticells.
机译:Thecircling(CIR / CIR)mouseisamurinemodelforhumannonsyndromicdeafnessDFNB6.Transmembraneinnerear(tmie)isthecausativegeneanditsmutationthroughdeletionofa40-kilobasegenomicregionincludingtmieleadstodeafness.ThefunctionofTmieisunknown.TobetterunderstandthefunctionofTmie,wefocusedonthespatiotemporalexpressionoftmieintheratcochleabyusingaTmie-specificantibody.Resultsshowedthattmieexpressionwasprominentinearlypostnatalratcochleasinthestereociliabundlesofhaircells.TheTmiesignalspreadfromthestereociliatothehaircellbodyregionandontoorganofCorticells.NoTmiesignalwasobservedincellnuclei; Tmiewaslocalizedtothecytoplasm.BecauseTmieispredictedtohave1or2transmembranedomains,wepostulatethatitislocalizedtomembrane-basedorganellesortheplasmamembrane.OurresultsimplythatTmieexistsinthecytoplasmandmayhaveakeyroleinthematurationandstructureofstereociliabundlesindevelopinghaircells.Afterhaircellmaturation,TmieisthoughttobeinvolvedinthemaintenanceoforganofCorticells。

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