简介:NF-κBisatranscriptionfactorofeukaryote,fivemembersofwhosefamilyinmammalsandthreeindrosophila.TranscriptionfactorsoftheNF-κfamilyareactivatedinresponsetosignalsthatleadtocellgrowth,differentiation,apoptosisandotherevents.NF-κBtakespartinexpressionofnumerouscytokinesandadhesionmoleculeswhicharecriticalelementsinvolvedintheregulationofimmuneresponses.Inthisreview,wefocusonourcurrentunderstandingofNF-κBsignalpathwayanditsroleintheinnateandadaptiveimmuneresponsesinwhichthesetranscriptionfactorshaveakeyregulatoryfunction.Furthermorewereviewwhatiscurrentlyknownabouttheireffectsassociatedwithapoptosis.Cellular&MolecularImmunology.2004;1(5):343-350.
简介:ThemolecularmechanismsforNF-κBsignalingtransductionandtranscriptionhavebeenthemostattractivesubjectsforbothbasicresearchandpharmaceuticalindustriesduetoitsimportantrolesinbothphysiologicalandpathogenesis,particularlythecloseassociationofdysregulatedNF-κBwithtumorgenesisandinflammation.SeveralnovelintracellularmoleculareventsthatregulateNF-κBactivityhavebeendescribedrecently,includingthediscoveryofanalternativesignalingpathwaythatappearsinducingaspecificsubsetgenesinvolvedinadoptiveimmuneresponse.Multi-levelandmulti-dimensionalregulationofNF-κBactivitybyphosphorylationandacetylationmodificationshaveunveiledandbecamethehottesttargetsforpotentiallytissuespecificmolecularinterventions.AnotheremergingmechanismforNF-κB-responsivegene'sregulationwhereNF-κBparticipatesthetranscriptionalregulationindependentofitscognateregulatorybindingsitewithinthetargetgene'spromoterbutfacilitatingthetransactionactivityofotherinvolvedtranscriptionfactors,thatimplicatedannoveltranscriptionalactivitiesforNF-κB.Thus,thecurrentreviewwillfocusontheserecentprogressesthathavebeenmadeonNF-κBsignalingtransductionandtranscription.Cellular&MolecularImmunology.2004;1(6):425-435.