机译:构成内部核包膜的核层状延伸蛋白网络。该网络包括class =“ underline”> L span> AP2- class =“ underline”> e span> merin- class =“ underline”> M span> AN1- class =“ underline “> d 跨度> omain(LEM-d)proteinfamily,proteinsthatshareanassociationwiththechromatinbindingproteinBarrier到autointegrationfactor(BAF).LossofindividualLEM-Dproteinscausesprogressive,组织restricteddiseases,knownaslaminopathies.Mechanismsassociatedwithlaminopathiesarenotyetunderstood.HerewepresentourstudiesofoneoftheDrosophilanuclearlaminaLEM-Dproteins,Otefin(OTE),ahomologueofemerin.PreviousstudieshaveshownthatOteisautonomouslyrequiredforthesurvivaloffemalegermlinestemcells(GSC中证明我们还需要Oteis来维持卵巢小生境中的体细胞存活,但由于细胞数量的减少和信号转导的改变而导致Ote的损失。我们展示了限制细胞表达的结果,揭示了Oteinniche的自主功能。 SCscontributetothemaintenanceoftheirownniches.Further,weinvestigatetherequirementofOteinthemalefertility.Weshowthat OTE EM> mutantmalesbecomeprematurelysterileastheyage.Paralleltoobservationsinfemales,thissterilityisassociatedwithGSClossandchangesinsomaticcellsoftheniche,phenotypesthatarelargelyrescuedbygermcell-restrictedOteexpression.Takentogether,ourstudiesdemonstratethatOteisrequiredautonomouslyforsurvivaloftwostemcellpopulations,aswellasnon-autonomouslyformaintenanceoftwosomaticniches.Finally,ourdataaddtogrowingevidencethatLEM-Dproteinshavecriticalrolesinstemcellsurvivalandtissuehomeostasis。 p> DIV>
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