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ID:28569926
大小:7.97 MB
页数:46页
时间:2018-12-11
《ll37和il8基因及蛋白在鼻息肉组织中的表达和意义》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、中文摘要织中的阳性表达率明显高于在下鼻甲组织中的阳性表达率(P<0.01)。(3)LL一37mRNA与IL一8mRNA在鼻息肉组织的表达呈正相关性(r_0.524,P<0.01),LL-37蛋白与IL-8蛋白在鼻息中的表达亦呈正。相关(pearsonX2=19.954,P<0.01)。(4)LL-37mRNA和蛋白在临床II型ⅡI期及Ⅲ型组的表达水平与II型I期及II型II期组无明显差异(P>O.05),IL-8mRNA和蛋白在临床II型ⅡI期及ⅡI型组的表达水平明显高于II型I期及II型II期组(P2、-8在正常鼻粘膜中起一定的免疫作用。(2)LL-37和IL.8在鼻息肉组织中的表达明显高于正常下鼻甲组织,二者均可能参与鼻息肉的形成和发展。(3)IL-8在鼻息肉组织中的表达可能反应鼻窦炎的严重程度。(4)在鼻息肉组织中,LL-37与IL-8的表达呈正相关提示LL-37可能通过扩大后天免疫反应来提高机体的免疫功能。关键词:LL-37,IL-8,mRNA,蛋白质,鼻窦炎,免疫组化ll硕士学位论文英文摘要ABSTRACTobjective:Nasalpolypisacommonchronicinflammatorydiseaseofnoseand3、sinus.Thepathophysiologicalmechanismsofnasalpolypremainpoorlyunderstand.ThisstudyisaimedtoinvestigatetheexpressionsofLL-37andIL一8innasalpolyptissuesandtheirsignificances.Methods:Thirty—onenasalpolyptissuesfrompatientswithchronicsinusitiswhoacceptedfunctionalendoscopicsinuss4、urgery(FESS)wererandomlyselectedinourhospital.Another11inferiorturbinatespecimensfrompatientswiththedeviationofnasalseptumwhowereperformedcorrectiveprocedureservedascontrols.TheexpressionlevelofLL-37andIL-8mRNAwereanalyzedbysemi—quantitativereversetranscriptionpolymerasecha5、inreaction(RT-PCR),andtheexpressionsofLL-37andIL-8proteinweredetectedbyimmunohistochemicalstaininginnasalpolypandinferiorturbinatetissues,respectively.Student’St-tests,圣.testsandPearsoncorrelationanalysiswereappliedasstatisticsanalyticalmethods.Results:(1)LL-37mRNAwasallpos6、itivelyexpressedin31nasalpolypstissuesand11inferiorturbinatetissuesbyRT-PCRanalysis.LL-37mRNAwasobviouslyover—expressedinnasalpolyptissuesthanthatininferiorturbinatetissues(P7、ininferiorturbinatetissues(5/11,45.45%)byimmunohistochemicalstaining.TherewassignificantdifferencebetweenthepositiveexpressionrateofLL-37proteininnasalpolyptissuesandininferiorturbinatetissuesp8、inatetissuesbyRT-PCRanalysis.IL-8mRNAwasobviouslyover-expressedinnasalpolyptissues
2、-8在正常鼻粘膜中起一定的免疫作用。(2)LL-37和IL.8在鼻息肉组织中的表达明显高于正常下鼻甲组织,二者均可能参与鼻息肉的形成和发展。(3)IL-8在鼻息肉组织中的表达可能反应鼻窦炎的严重程度。(4)在鼻息肉组织中,LL-37与IL-8的表达呈正相关提示LL-37可能通过扩大后天免疫反应来提高机体的免疫功能。关键词:LL-37,IL-8,mRNA,蛋白质,鼻窦炎,免疫组化ll硕士学位论文英文摘要ABSTRACTobjective:Nasalpolypisacommonchronicinflammatorydiseaseofnoseand
3、sinus.Thepathophysiologicalmechanismsofnasalpolypremainpoorlyunderstand.ThisstudyisaimedtoinvestigatetheexpressionsofLL-37andIL一8innasalpolyptissuesandtheirsignificances.Methods:Thirty—onenasalpolyptissuesfrompatientswithchronicsinusitiswhoacceptedfunctionalendoscopicsinuss
4、urgery(FESS)wererandomlyselectedinourhospital.Another11inferiorturbinatespecimensfrompatientswiththedeviationofnasalseptumwhowereperformedcorrectiveprocedureservedascontrols.TheexpressionlevelofLL-37andIL-8mRNAwereanalyzedbysemi—quantitativereversetranscriptionpolymerasecha
5、inreaction(RT-PCR),andtheexpressionsofLL-37andIL-8proteinweredetectedbyimmunohistochemicalstaininginnasalpolypandinferiorturbinatetissues,respectively.Student’St-tests,圣.testsandPearsoncorrelationanalysiswereappliedasstatisticsanalyticalmethods.Results:(1)LL-37mRNAwasallpos
6、itivelyexpressedin31nasalpolypstissuesand11inferiorturbinatetissuesbyRT-PCRanalysis.LL-37mRNAwasobviouslyover—expressedinnasalpolyptissuesthanthatininferiorturbinatetissues(P7、ininferiorturbinatetissues(5/11,45.45%)byimmunohistochemicalstaining.TherewassignificantdifferencebetweenthepositiveexpressionrateofLL-37proteininnasalpolyptissuesandininferiorturbinatetissuesp8、inatetissuesbyRT-PCRanalysis.IL-8mRNAwasobviouslyover-expressedinnasalpolyptissues
7、ininferiorturbinatetissues(5/11,45.45%)byimmunohistochemicalstaining.TherewassignificantdifferencebetweenthepositiveexpressionrateofLL-37proteininnasalpolyptissuesandininferiorturbinatetissuesp8、inatetissuesbyRT-PCRanalysis.IL-8mRNAwasobviouslyover-expressedinnasalpolyptissues
8、inatetissuesbyRT-PCRanalysis.IL-8mRNAwasobviouslyover-expressedinnasalpolyptissues
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