学科分类
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7 个结果
  • 简介:AIMTo调查反脉管的上皮的生长的效果在normoxic和hypoxic条件下面的纤维变性相关的煽动性的调停人的表示上的因素(VEGF)代理人,并且进一步澄清在anti-VEGFtherapy.METHODSHuman以后位于纤维变性下面的机制网膜的颜料上皮(RPE)细胞在normoxic和hypoxic条件下面被孵化。为组织缺氧处理,在200楲敭瑮??杧獥整?桴?敮慧楴敶挠牯敲慬楴湯戠瑥敷湥琠敨攠灸敲獳潩?景洠剩木?愠摮?楥?的CoCl2?乏?单佉呎敨攠灸敲獳潩?敬敶獬漠?業???洠剩木?愠摮洠剩??搠晩敦?敢睴敥?桴?散瑮慲?灥瑩敨楬浵漠?牴湡灳牡湥?湩慦瑮氠湥?湡?潣杮湥瑩污挠瑡牡捡?猠杵敧瑳湩?桴楥?湩潶癬浥湥?湩琠敨瀠瑡潨敧敮楳?景挠湯敧楮慴?慣慴慲瑣

  • 标签: BEVACIZUMAB 纤维变性 人的网膜的颜料上皮的房间 煽动性的调停人
  • 简介:3.加强县级综合医院眼科能力建设,发挥其作为基层防盲治盲技术指导中心的作用。鼓励城市三级医院眼科、眼科医院与县级综合医院眼科建立紧密的合作关系,通过技术指导、人员培训等方式,使县级综合医院眼科具备常见眼病诊治和急诊处理能力,落实双向转诊。

  • 标签: 防盲治盲 县级综合医院 眼科医院 急诊处理能力 能力建设 三级医院
  • 简介:AIM:ToinvestigatetheroleofRho-associatedproteinkinase(ROCK)inhibitor,Y27632,inmediatingtheproductionofextracellularmatrix(ECM)componentsincludingfibronectin,matrixmetallo-proteinase-2(MMP-2)andtypeIcollagenasinducedbyconnectivetissuegrowthfactor(CTGF)ortransforminggrowthfactor-β(TGF-β)inahumanretinalpigmentepithelialcellline,ARPE-19.METHODS:TheeffectofY27632ontheCTGForTGF-βinducedphenotypeinARPE-19cellswasmeasuredwithimmunocytochemistryasthechangeinF-actin.ARPE-19cellsweretreatedwithCTGF(1,10,100ng/mL)andTGF-β(10ng/mL)inserumfreemedia,andanalyzedforfibronectin,laminin,andMMP-2andtypeIcollagenbyRT-qPCRandimmunocytochemistry.CellswerealsopretreatedwithanROCKinhibitor,Y27632,toanalyzethesignalingcontributingtoECMproduction.·RESULTS:TreatmentofARPE-19cellsinculturewithTGF-βorCTGFinducedanECMchangefromacobblestonemorphologytoamoreelongatedswirlpatternindicatingamesenchymalphenotype.RT-qPCRanalysisanddifferentgeneexpressionanalysisdemonstratedanupregulationinexpressionofgenesassociatedwithcytoskeletalstructureandmotility.CTGForTGF-βsignificantlyincreasedexpressionoffibronectinmRNA(P=0.006,P=0.003respectively),lamininmRNA(P=0.006,P=0.005),MMP-2mRNA(P=0.006,P=0.001),COL1A1mRNA(P=0.001,P=0.001),COL1A2mRNA(P=0.001,P=0.001).PreincubationofARPE-19withY27632(10mmol/L)significantlypreventedCTGForTGF-βinducedfibronectin(P=0.005,P=0.003respectively),MMP-2(P=0.003,P=0.002),COL1A1(P=0.006,P=0.003),andCOL1A2(P=0.006,P=0.004)geneexpression,butnotlaminin(P=0.375,P=0.516).CONCLUSION:OurstudydemonstratedthatbothTGF-βandCTGFupregulatetheexpressionofECMcomponentsincludingfibronectin,laminin,MMP-2andtypeIcollagenbyactivatingtheRhoA/ROCKsignalingpathway.Duringthisprocess,ARPE-19cellswereshowntochangefromanepithelialtoamesenchymalphenotypeinvi

  • 标签: rho-associated protein kinase inhibitor CONNECTIVE tissue