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1、鄭州大學(xué)2009屆研究生論文(摘要)TLR一2、TLR一4、NF一KB在中耳膽脂瘤中的表達(dá)及意義癥介質(zhì)和細(xì)胞因子的表達(dá),參與機(jī)體炎癥反應(yīng).本研究結(jié)果顯示TLR一2與NF一kB之間存在正相關(guān)關(guān)系,提示TLR一2與NF一kB可能在中耳膽脂瘤炎癥反應(yīng)過程中有協(xié)同作用。3.TLR一4感受膽脂瘤炎癥微環(huán)境病原體表面的隊(duì)MPS刺激,經(jīng)由胞內(nèi)信號傳導(dǎo)通路,活化核因子NF一kB,NF一kB通過對多種基因表達(dá)的調(diào)控,調(diào)控眾多炎癥介質(zhì)和細(xì)胞因子的表達(dá),參與機(jī)體炎癥反應(yīng)。本研究結(jié)果顯示TLR一4與NF一kB之間存在正相關(guān)關(guān)系,
2、提示TLR一4與NF一kB可能在中耳膽脂瘤炎癥反應(yīng)過程中有協(xié)同作用。關(guān)鍵詞:中耳膽脂瘤;TLR一2;TLR一4;NF一kB鄭州大學(xué)2009屆研究生論文(摘要)TLR一2、TLR-4、NF一KB在中耳膽脂瘤中的表達(dá)及意義TheexPressionandsignifaneeofTLR-2、TLR-4andNF一kBinmiddleearCholesteatomaPostgraduateLiuxiaoyanTutorYefangleiZhuliyaTheFirstAffiliatedHosPitalofZhen
3、gZhouuniversityZhengZhou450052Abstr8CtObjectiveCholesteatomaofthemiddleear15aeommont鄧einehronicotitismedia,charaeterizedbyofhyPerproliferativekeratunizingsquamousePitheliuminthemiddleearcavityanddestruetionofadjaeentbone.Ithasadverseeffectonearstructures,
4、resultinginosteolysisandboneresPorption,threateningthelivesofPatients.ftsformationandPathogenesisarenotfullyunderstood.ThisstudyaimedtoanalyZetheexpressionofNuclearfaetor-k叩paB(NF一kB),toll一likereeeptor4(TLR一4),toll一likereceptorZ(TLR一2)inmiddleeareholestea
5、toma,andtherelevancebetweenTLR一2,TLR一4andtheNF一kB,andtoinvestigatetheTLR一2,TLR一4,NF一kBinhumanmiddleeareholesteatomaintheProeessofinflammatoryresPonserole.Methods46easeofcholesteatomasPeeimenswerecolleetedattimeofsuge以and15easesofthenormalskinofext的alacous
6、tiemeatusweretheeontrolgrouP.AllofthesPeciemenswerefixedirnrnediatelyandmadeintoParaffinsection.ImmunohistoehemiealstainingwasusedtodeteettheexPressionofTLR一2、TLR一4andNF~kBintheeholesteatomaandtheskinofexternalacoustiemeatus.TheeomPuterimagequantitativean
7、alysiswasusedtoexamintheexPressionTLR一2、TLR一4andNF一kB.ResllltS1.TheexpressionofTLR一2incholesteatomaandtheskinofextemalacoustiemeatlls:IV鄭州大學(xué)2009屆研究生論文(摘要)TLR一2、TLR一4、NF一KB在中耳膽脂瘤中的表達(dá)及意義ThePositiveimmunostainingofTLR一2aPPearedallthelayersoversubePithelialst
8、romaleellsandthecytoPlasm,andTLR一2ProteinwasloealizemostlyintheeytoPlasm,ineludebasallayef,stratumsPinosum,str咖mgranulosum,stratumeomeum,butthedistributionandfrequeneyofthePositiveeellsvaried,nueleus一freecoloring.Th