Cell surface activation of progelatinase A （proMMP—2） and cell migration-中国期刊网

摘要 GelatinaseA(MMP-2)isconsideredtoplayacriticalroleincellmigrationandinvasion.Theproteinaseiscercetedfromthecellasaninactivezymogen.InvivoitispostulatedthatactivationofprogelationaseA(proMMP-2)takesplaceonthecellsurfacemediatedbymembrane-typematrixmetalloproteinases(MT-MMPs).RecentstudieshavedemonstratedthatproMMP-2isrecruitedtothecellsurfacebyinteractingwithtissueinhibitorofmetalloproteinases-2(TIMP-2)boundtoMT1-MMPbyformingaternarycomplex.FreeMT1-MMPcloselylocatedtotheternarycomplexthenactivatesproMMP-2onthecellsurface.MT1-MMPisfoundinculturedinvasivecancercellsattheinvadopodia.TheMT-MMP/TIMP-2/MMP-2systemthusprovideslocalizedexpressionofproteolysisoftheextracellularmatrixrequiredforcellmigration.

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Cell surface activation of progelatinase A （proMMP—2） and cell migration

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Cell surface activation of progelatinase A （proMMP—2） and cell migration

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