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首页> 外文期刊>Developmental biology >The NLRR gene family and mouse development: Modified differential display PCR identifies NLRR-1 as a gene expressed in early somitic myoblasts
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The NLRR gene family and mouse development: Modified differential display PCR identifies NLRR-1 as a gene expressed in early somitic myoblasts

机译:NLRR基因家族和小鼠发育:改良的差异显示PCR将NLRR-1鉴定为早期体细胞性成肌细胞中表达的基因

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Duringvertebrateembryogenesis,thesomitesformbysegmentationofthetrunkmesoderm,lateraltotheneuraltube,inananteriortoposteriordirection.Analysisofdifferentialgeneexpressionduringsomitogenesishasbeenproblematicduetothelimitedamountoftissueavailablefromearlymouseembryos.Tocircumventtheseproblems,wedevelopedamodifieddifferentialdisplayPCRtechniquethatishighlysensitiveandyieldsproductsthatcanbeuseddirectlyasinsituhybridisationprobes.Usingthistechnique,weisolatedemNLRR-1/emasageneexpressedinthemyotomeofdevelopingsomitesbutnotinthepresomiticmesoderm.Detailedexpressionanalysisshowedthatthisgenewasexpressedintheskeletalmuscleprecursorsofthemyotome,branchialarchesandlimbsaswellasinthedevelopingnervoussystem.SomiticexpressionoccursintheearliestmyoblaststhatoriginatefromthedorsallipinapatternreminiscentofthemuscledeterminationgeneemMyf5/em,butnotattheventrallip,indicatingthatemNLRR-1/emisexpressedinasubsetofmyotomecells.TheemNLRR/emgenescompriseathree-genefamilyencodingglycosylatedtransmembraneproteinswithexternalleucine-richrepeats,afibronectindomain,animmunoglobulindomainandshortintracellulartailscapableofmediatingproteinndash;proteininteraction.AnalysisofemNLRR-3/emexpressionrevealedregulatedexpressionintheneuralsystemindevelopinggangliaandmotorneurons.emNLRR-2/emexpressionappearstobepredominatelyconfinedtotheadult.Theregulatedembryonicexpressionandcellularlocationoftheseproteinssuggestimportantrolesduringmousedevelopmentinthecontrolofcelladhesion,movementorsignalling./p/div
机译:Duringvertebrateembryogenesis,thesomitesformbysegmentationofthetrunkmesoderm,lateraltotheneuraltube,inananteriortoposteriordirection.Analysisofdifferentialgeneexpressionduringsomitogenesishasbeenproblematicduetothelimitedamountoftissueavailablefromearlymouseembryos.Tocircumventtheseproblems,wedevelopedamodifieddifferentialdisplayPCRtechniquethatishighlysensitiveandyieldsproductsthatcanbeuseddirectlyasinsituhybridisationprobes.Usingthistechnique,weisolated <位置> NLRR-1 的asageneexpressedinthemyotomeofdevelopingsomitesbutnotinthepresomiticmesoderm.Detailedexpressionanalysisshowedthatthisgenewasexpressedintheskeletalmuscleprecursorsofthemyotome,branchialarchesandlimbsaswellasinthedevelopingnervoussystem.Somiticexpressionoccursintheearliestmyoblaststhatoriginatefromthedorsallipinapatternreminiscentofthemuscledeterminationgene <位置> Myf5的的,butnotattheventrallip,indicatingthat <位置> NLRR -1 在成肌细胞亚群中表达。 NLRR 基因由编码糖基化的三基因家族组成ansmembraneproteinswithexternalleucine-richrepeats,afibronectindomain,animmunoglobulindomainandshortintracellulartailscapableofmediatingproteinndash ;. proteininteraction.Analysisof <位置> NLRR-3 的expressionrevealedregulatedexpressionintheneuralsystemindevelopinggangliaandmotorneurons <位置> NLRR-2 的expressionappearstobepredominatelyconfinedtotheadult.Theregulatedembryonicexpressionandcellularlocationoftheseproteinssuggestimportantrolesduringmousedevelopmentinthecontrolofcelladhesion,movementorsignalling

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