预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

RIG--Ⅰ--MAVS信号通路的调控研究及小分子化合物筛选 Title:RegulatoryMechanismsofRIG-Ⅰ-MAVSSignalingPathwayandSmallMoleculeCompoundScreening Abstract: TheRIG-Ⅰ-MAVSsignalingpathwayplaysacrucialroleininnateimmuneresponseagainstviralinfections.ItisinvolvedintherecognitionofcytosolicviralRNAandsubsequentactivationofdownstreamsignaling,leadingtotheproductionoftypeIinterferons(IFNs)andpro-inflammatorycytokines.Dysregulationofthispathwayhasbeenassociatedwithvariousviralinfectionsandautoimmunediseases.Therefore,understandingtheregulatorymechanismsoftheRIG-Ⅰ-MAVSsignalingpathwayandidentifyingsmallmoleculecompoundsthatcanmodulateitsactivityareofgreatimportanceforthedevelopmentofnovelantiviraltherapies.Inthisreview,wehighlighttherecentadvancesintheresearchofRIG-Ⅰ-MAVSsignalingpathwayregulationandthescreeningofsmallmoleculecompoundswithpotentialtherapeuticapplications. 1.Introduction: Theinnateimmunesystemservesasthefirstlineofdefenseagainstviralinfectionsandreliesonpatternrecognitionreceptors(PRRs)todetectviralcomponents.AmongthevariousPRRs,theretinoicacid-induciblegene-I(RIG-Ⅰ)receptorplaysacentralroleintherecognitionofcytosolicviralRNA.UponviralRNArecognition,RIG-Ⅰinteractswiththemitochondrialantiviralsignalingprotein(MAVS),leadingtotheactivationofdownstreamsignalingcascadesandtheinductionofantiviralimmuneresponses. 2.RegulationofRIG-Ⅰ-MAVSSignalingPathway: 2.1Post-translationalmodifications: Post-translationalmodifications,suchasubiquitination,phosphorylation,andsumoylation,playcrucialrolesintheregulationofRIG-Ⅰ-MAVSsignalingpathway.Wediscusstheimpactofvariouspost-translationalmodificationsontheactivationorsuppressionofthispathwayandtheirpotentialtherapeuticimplications. 2.2RNAhelicases: RNAhelicaseshavebeenshowntointeractwithRIG-Ⅰandregulateitsactivity.WeexploretheroleofRNAhelicasesinmodulatingRIG-Ⅰ-MAVSsignalingandtheirpotentialastherapeutictargets. 2.3Negativeregulators: SeveralnegativeregulatorshavebeenidentifiedtocontroltheamplitudeanddurationofRIG-Ⅰ-MAVSsignaling.Wesummarizethemechanismsb