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1、醫(yī)學(xué)研究生學(xué)報(bào)2013年12月第26卷第12期JMedPost~ra.Vo1.26.No_12.December.2013·1315·綜述Wnt信號通路在糖尿病腎病研究中的作用探討馬飛,蔣軒綜述,喻嶸,吳勇軍審校[摘要】腎小球系膜細(xì)胞(mesangialceHs,MCs)增殖、肥大在糖尿病腎病(diabeticnephropathy,DN)的發(fā)展中處于重要地位。胰島素可通過胰島素信號途徑促進(jìn)MCs增殖,增強(qiáng)MCs分泌細(xì)胞外基質(zhì)(extracellularmatrix,ECM)、促進(jìn)ECM積聚,從而
2、在DN發(fā)生發(fā)展過程中處于十分重要的地位。MCs中存在Wnt信號通路,以維持MCs的正常生理功能。異常的Wnt通路導(dǎo)致MCs凋亡過多或腎纖維化。胰島素和Wnt信號通路存在相互作用。越來越多的證據(jù)表明,高胰島索環(huán)境中MCs內(nèi)存在Wnt和胰島素信號通路的相互作用,調(diào)控MCs增殖從而影響DN發(fā)生發(fā)展。深入研究Wnt信號通路和胰島素信號發(fā)生相互作用,并對MCs增殖的分子機(jī)制產(chǎn)生影響開發(fā)新藥物,通過調(diào)控Wnt信號通路改善腎小球MCs增殖,將為2型糖尿病腎病的f臨床治療提供新的科學(xué)依據(jù),尋找新的治療靶點(diǎn)?!娟P(guān)鍵
3、詞】糖尿病腎??;Wnt信號通路;胰島素[中圖分類號】R587.1[文獻(xiàn)標(biāo)志碼】A【文章編號]1008—8199(2013)12—1315-05ExploreontheroleoftheWntsignalingpathwayindiabeticnephropathyMAFei,JIANGXuanreviewing,YURong,WUYong-junchecking(1.GraduateSchoolofHunanUniversityofChineseMedicine,2.KeyLaboratoryof
4、ChineseInternalMedicineofHu—nanUniversityofChineseMedicine,3.CollegeofPharmacy,Changsha410208,Hunan,China)[Abstract]Proliferationandhypearophyofglomerularmesangialcells(MCs)playanimportantroleinthedevelopmentofthediabeticnephropathy(DN).Insulinpromote
5、sMCsproliferation,enhancesMCssecretingECM(extracellularmatrix),promotesECMaccumulationthroughtheinsulinsignalingpathways,whichisveryimportantforthedevelopmentandprogressionofDN.TheWntsig—nalingpathwayexistintheMCs,inordertomaintainthenormalphysiologic
6、alfunctionsofMCs.AbnormalWntpathwayleadstoexces—siveMCsapoptosisorrenalfibrosis.ThereisadialogueexistininsulinandWntsignalingpathway.Moreandmoreevidencesindicatethatthereisadialogueexistinginhighinsulinenvironment,whichcouldaffectthedevelopmentofDNbyt
7、heregulationofMCsprolif-eration.Itwillprovidenewscientificbasistodevelopnewtherapeutictargetsforthetreatmentoftype2diabeticnephropathy.Wntsig—nalingpathwayandthedialogueandinsulinsignalingOCCURSeffectingthemolecularmechanismofMCsproliferation,research
8、andde—velopmentofnewdrugs,whichimprovesglomerularMCsproliferationthroughtheregulationoftheWntsignalingpathway.[Keywords]Diabeticnephropath;Wntsignalingpathway;Insulin分有效的防治措施。其中MCs增殖、肥大在DN的0引言發(fā)展中處于重要地位。胰島素可通過胰島素信號途DN是糖尿病常見而嚴(yán)重的微血管并發(fā)癥,約徑促進(jìn)MCs增殖,