简介:BackgroundH9c2celllineismononucleatedmyoblastderivedfromembryonicrathearttissue.ActivitiesofTGF-β1,MMP-2andMMP-9increaseinH9c2cellsaftertreatmentwithfibrosisstimuli.MicroRNA(miRNA),akindofendogenoussmallnon-codingRNA,participatesincardiacfibrosis.Inthepresentstudy,expressionsoffibrosis-relatedgenesandmicroRNAsinTGF-β1treatedH9c2cellswereinvestigated.MethodsExpressionsoffibrosis-associatedgenes,includingCol3a1,α-SMA,FN1,CTGFandTSP-1,weremeasuredinTGF-β1treatedH9c2cellsbyquantitativereversetranscriptionandPCR(qRTPCR).Levelofα-SMAinH9c2cellswasdemonstratedbyfluorescenceimmunohistochemistry(FIHC)assay.ExpressionsofmaturemiR-16,-21a,-29binH9c2cellsweredeterminedbyqRT-PCRassay.ActivationsofSmad3andNF-kBsignalinginTGF-β1-treatedH9c2cellswerestudiedbydualluciferaseassay.ExpressionsofCol3a1,α-SMA,FN1,CTGFandTSP-1weredetectedinH9c2cellswithadenovirus-mediatedoverexpressionofmiR-21a.ResultsqRT-PCRassayshowedthatα-SMA,FN1,CTGF,TSP-1,butnotCol3a1,wereup-regulatedinTGF-β1treatedH9c2cells.FIHCresultalsorevealedthatα-SMAwasincreasedinTGF-β1-treatedH9c2cells.Consistently,dualluciferaseassayshowedthatSmad3andNF-kBsignalingproteinswereactivatedinTGF-β1-treatedH9c2cells.miR-21a,butnotmiR-16and-29b,wassignificantlyup-regulated.Additionally,over-expressionofmiR-21asignificantlyincreasesmRNAexpressionsofα-SMA,FN1,CTGFandTSP-1inH9c2cells.ConclusionsMiR-21aisup-regulatedinTGF-β1treatedH9c2cells,andmaycontributetoup-regulationsoffibrosis-associatedgenes.
简介:摘要目的根治癌症。方法从1998年至2014年通过17年针对多种癌症21例的治疗证实。结论针灸治疗癌症是治疗癌症的正确方法。
简介:在中密度C/C复合材料基体上采用催化化学气相沉积方法生长碳化硅纳米线(SiCnw)及制备碳化硅纳米线/碳化硅(SiCnw/SiC)涂层,研究中密度C/C复合材料基体上加载催化剂后涂层沉积及其抗氧化性能,结果表明:中密度基体上催化制备SiCnw涂层,可改善沉积效率,同时可抑制裂纹扩展,明显改善SiC涂层在1200℃的氧化防护能力。另外,在1500℃的空气中氧化10h后,SiCnw/SiC涂层氧化质量损失率仅为1.34%,明显低于质量损失率为8.67%的单层SiC涂层。
简介:Onenewsesquiterpenecompound,namely,illihenlactoneA(1),andonenewprenylatedC6–C3compound,illihenryioneH(2),alongwiththreeknownsesquiterpenes(3–5)wereisolatedfromthestemsofIlliciumhenryi.Thestructuresof1and2wereelucidatedbyspectroscopicevidenceincludingNMR,HRESIMSandcirculardichroism(CD).Compound2exhibitedaweakinhibitoryratioforbglucuronidasereleaseinducedbyplatelet-activatingfactor(PAF)inratpolymorphonuclearleukocytes(PMNs)invitro.
简介:摘要目的评价阿奇霉素治疗恙虫病的疗效;方法对我院自2011.09.28至2014.11.07收治的恙虫病患者21例,均给予阿奇霉素治疗,治疗过程中观察症状变化,治疗前后检查肝功、肾功、肌钙蛋白I、电解质,心电图;结果21例全部治愈,部分病例出现胃肠道不良反应及局部血管刺激症状,给予对症处理,未影响治疗;结论阿奇霉素治疗恙虫病高效,安全.关键词阿奇霉素、恙虫病、治疗Efficacyofazithromycinintreatmentof21caseswithscrubtyphusTANGPing?,MENGZhaodi,LUJing.?Thesixthdepartmentofinternalmedicine,ThePepole'sHospitalofFeicheng,Feicheng,Shandong,271600,ChinaCorrespondingauthorTangPing,Emailsdfctp@163.comAbstractobjectiveToevaluatetheefficacyofazthromycinintreatmentofscrubtyphus.Methods21patientswithscrubtyphusfrom2011.09.28to2013.1,1.7inourhospitalweretreatedwithazithromycin.Abservethechangeofsymptomsandadversereactions,abservethechangeofserumalanineaminotransferaseaspartateaminotransferase,ureanitrogen,creatinine,cardictroprinIandelectrocardiogrambeforeandafterthreapy.ResultsAllof21caseswerecured,5paGtientshadgastrointestinaladversereactionand2patientshadlocalvascularirritationsymptoms,symptomatictreatment,didnotaffectthetreatment.ConclusionAziKtheryowmoyrcdisnhasaobviousefficacyandslightadversereactioninthetreatmentofscrubtyphus.Azthromycin;Scrubtyphus;Efficacy中图分类号R513.2文献标识码B文章编号1008-6315(2015)12-1440-01
简介:摘要目的分析手足口病再发病例的临床特征。方法以2010年至2014年就诊我院的手足口病再发患儿21例为研究对象,针对手足口病的病原学、临床表现等资料进行研究,现采用回顾性病例的方式分析手足口病再发的流行病学及其临床特征。结果21例EV-71IgM阳性15例,可疑阳性2例,21例在首次患病时血清EV-71IgM阳性10例。另外,再发病例发热者占57.1%,临床特征表现仍以发热、手足口腔斑丘疱疹为主。21例均存在不同程度的血清免疫球蛋白水平下降。结论再发与婴幼儿免疫功能低下,抗病毒能力不足有关,同时不良的生活卫生习惯增加再次患病的几率。医务人员加强卫生宣教,指导家长建立正确的疾病预防理念有利于防控手足口病。
简介:TheJOURNALOFANCIENTCIVILIZATIONS(JAC)ispublishedannuallybytheInstitutefortheHistoryofAncientCivilizations(northeastnormaluniversity,Changchun,JilinProvince,People’sRepublicofChina).Thisyear,weareproudtopresentthe30thvolumetotheacademicaudience.Firstissuedin1986afterthefoundationof
简介:Afamilyofpiecewiserationalquinticinterpolationispresented.Eachinterpolationofthefamily,whichisidentifieduniquelybythevalueofaparameterαi,isofC2continuitywithoutsolvingasystemofconsistencyequationsforthederivativevaluesattheknots,andcanbeexpressedbythebasisfunctions.InterpolantisofO(hr)accuracywhenf(x)?Cr[a,b],andtheerrorshaveonlyasmallfloatingforabigchangeoftheparameterαi,itmeanstheinterpolationisstablefortheparameter.Theinterpolationcanpreservetheshapepropertiesofthegivendata,suchasmonotonicityandconvexity,andaproperchoiceofparameterαiisgiven.
简介:Inthispaper,weintroduceaconditionweakerthantheLpdifferentiability,whichwecallCpcondition.Weprovethatifafunctionsatisfiesthisconditionatapoint,thenthereexiststhebestlocalapproximationatthatpoint.WealsogiveanecessaryandsufficientconditionforthatafunctionbeLpdifferentiable.Inaddition,westudytheconvexityofthesetofclusterpointsofthenetofbestappoximationsoff,{Pe(f)}ase→0.