资源描述：
《新型实验动物模型ppt课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、新型实验动物模型研究生本次课应了解内容新型动物模型对我们从事科研工作启迪利用新型动物模型知识为自己今后从事研究课题服务SecondthymusfoundinmiceMicecommonlyhavemorethanonethymusgland,accordingtoaresearchteamthatfoundsmall,previouslyunidentifiedthymusglandsinthenecksoflaboratorymice.Althoughtheseresultsarenotentirelyunexpected,theymayhav
2、eimportantimplicationsfortheinterpretationofimmunologystudies.Thethymus,locatedinthethoraciccavityneartheheart,iswhereTlymphocytesundergotheirfinalstageofdevelopment.previousstudiesinmicehaveshownthatremovalofthethymusdoesnotcompletelyeliminateT-celldevelopment,althoughtheyar
3、eoftenseeninhumanfetuses,cervicalthymusglandsareconsideredrareinadulthumansandthoughttobeassociatedwithpathologies.Duringthecourseofimmunologicalexperiments,Hans-ReimerRodewaldoftheuniversityofUlm(Germany)andhiscolleaguesnoticedsmalllymphoid-likeorgansinthenecksofmicethatthey
4、couldnodecisivelyidentifyaslymphnodes.theyfoundthatthemysteryorgansexpressedthymus-specificgenesand,whentransplantedintomicedeficientinTcells,producedfunctionalTcellsthatcontributedtoanantibodyresponsetohepatitisBantigen.thenumberofcervicalthymusvariedbystrain.Researchersofte
5、nremovethethoracicthymusinmicetostudytheimmunesystemintheabsenceofTcells.ThepossibilitythatthymicomizedmiceretainheabilitytoproduceTcellsinacervicalthymussuggeststhatmanypreviousstudiesmayhavetobereanalyzed.HypercholesterolemiaDahl/SS,JCR,SHHF,SHR,SHROB,StrokeProneSHR,ZDF,ZSF
6、1,ZuckerHyperinsulinemiaDahl/SS,DIO,DR,JCR,SHHF,SHR,SHROB,StrokeProneSHR,ZDF,ZSF1,ZuckerHypertensionDahl/SS,DIO,SHHF,SHR,SHROB,StrokeProneSHR,ZSF1InsulinResistanceDahl/SS,DIO,DR,JCR,SHHF,SHR,StrokeProneSHR,ZDF,ZSF1,ZuckerNon-InsulinDependentDiabetesMellitus(NIDDM)SHHF,ZDF,ZSF
7、1ObesityDIO,DR,JCR,ObeseMiceob/ob,SHHF,SHROB,ZDF,ZSF1,ZuckerNephropathyDahl/SS,FawnHooded,SHHF,SHROB,StrokeProneSHR,ZDF,ZSF1英国给人猪混合胚胎研究开绿灯公布的人兽混合胚胎照片英国给人猪混合胚胎研究开绿灯BBC网站上公布的人兽混合胚胎照片英国人类生殖与胚胎协会(HFEA)已经颁发许可，同意生成人猪混合胚胎用以研究心脏病疗法。该协会第三次颁发人兽杂交胚胎许可。HFEA发言人表示，正式批准沃里克大学临床医学研究院的申请，准许自7月
8、1日起合成人猪混合胚胎，有效期为一年。沃里克大学该项研究课题带头人表示：这张新许可证使我们尝试通过人猪混合胚胎克隆出胚胎干细胞，后者在体
