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1、糖尿病和糖尿病视网膜病变相关的自然发病啮齿动物模型 AbstractDiabetesisaplexandheterogeneousdisorderpresentlyaffectingmorethan100millionpeopleicproblems.Spontaneousrodentmodelsofdiabetesmellitushaveprovedinvaluableinunderstandingthepathogenesis,plications,andgeicorenvironmentalinfluencest
2、hatincreasetherisksofdiabetes.ODELSOFTYPE1DIABETES Thereareseveralspontaneousrodentmodelsoftype1diabetes,touse[4]. NODMouseTheNODmousealaboratorystrainthatinfactent[5,6].Insulitisispresenticeare45munelesioninvolvinglymphocyticinfiltrationanddestructionofthepanc
3、reaticβcellsleadstohypoinsulinemia,hyperglycemia,ketoacidosis,anddeath.Thereisalargergenderdifferencealesand20%ofmalesdevelopingdiabetesinNODmice[7]. Type1diabetesisapolygenicdisease.BothinhumanandinNODmousetype1diabetes,theprimarysusceptibilitygeneislocatedouse
4、representsprobablythebestspontaneousmodelusedingeicandimmunologicstudiesandseemsparticularlyanalogoustohumantype1diabetes.Ithasprovidednotonlyessentialinformationontype1diabetespathogenesis,butalsovaluableinsightsintomechanismsofimmunoregulationandtolerance.Import
5、antly,itallomunointerventionstrategiespotentiallyapplicabletoman[9,10]. Type1BioBreedingRatModelsTheBioBreeding(BB)ratelyusefulforstudyingbothspontaneousdiabeticprone(BBDP)andinduceddiabeticresistant(BBDR)diabetesandassociateddiabeticplications[12].Asinhuman
6、type1diabetes,thesyndromeinBBratsischaracterizedbyhyperglycemia,lymphocyticinsulitis,andthepresenceofantibodiestoisletcellsurfacemolecules.Inmonouse,thepancreaticisletsaresubjectedtoanimmuneattackacrophagesandnaturalkillercellsbeingrecruitedtotheinsulitis[13,14];t
7、hesusceptibilitygeneislocatedicaciddecarboxylase(GAD),havebeenreportedinbothBBratsandtheNODmouse,althoughitremainsfarfromcleararyautoantigens[1618]. Itisbelievedthatthedevelopmentofdiabetesinthemodelissecondarytoacellmediatedautoimmuneprocessandmayhaveimplicati
8、onsforthepathophysiologyoftype1diabetesinhumans.BBDPratsarepronetothelongtermplicationsofdiabetessuchasneuropathyandretinopathythatoccurinthismodelarev