1998
Guanine nucleotide exchange factor GEF115 specifically mediates activation of Rho and serum response factor by the G protein α subunit Gα13
Mao J, Yuan H, Xie W, Wu D. Guanine nucleotide exchange factor GEF115 specifically mediates activation of Rho and serum response factor by the G protein α subunit Gα13. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 12973-12976. PMID: 9789025, PMCID: PMC23675, DOI: 10.1073/pnas.95.22.12973.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAmino Acid SequenceAnimalsCOS CellsDNA-Binding ProteinsGene Expression RegulationGTP-Binding ProteinsGTPase-Activating ProteinsGuanine Nucleotide Exchange FactorsKineticsLuciferasesMiceMolecular Sequence DataNuclear ProteinsProteinsRecombinant Fusion ProteinsRhoA GTP-Binding ProteinSequence AlignmentSequence Homology, Amino AcidSerum Response FactorSignal TransductionTranscription FactorsTranscription, GeneticTransfectionConceptsSerum response factorActivation of RhoSRF activationHeterotrimeric G protein alpha subunitsG protein signaling (RGS) domainG protein alpha subunitsTerminal partRho-specific guanineProtein alpha subunitsResponse factorDomain deletion mutantSignal transduction pathwaysNIH 3T3 cellsDbl homologyRGS activitySequence motifsTransduction pathwaysGalpha13Signaling domainsGalpha12Alpha subunitMutantsSynergistic activationGalphaqTransfection systemTec/Bmx non‐receptor tyrosine kinases are involved in regulation of Rho and serum response factor by Gα12/13
Mao J, Xie W, Yuan H, Simon M, Mano H, Wu D. Tec/Bmx non‐receptor tyrosine kinases are involved in regulation of Rho and serum response factor by Gα12/13. The EMBO Journal 1998, 17: 5638-5646. PMID: 9755164, PMCID: PMC1170892, DOI: 10.1093/emboj/17.19.5638.Peer-Reviewed Original ResearchConceptsNon-receptor tyrosine kinase familySerum response factorExpression of Galpha12SRF activationRho-independent pathwayThrombin effectTyrosine kinase familyActivation of SRFNon-receptor tyrosine kinaseG12/13 proteinsRho-dependent pathwayInvolvement of RhoTec kinasesActive alpha subunitG12 familyActivationTransient transfection systemTyrosine kinaseAlpha subunitCellsNIH 3T3 cellsKinase-deficient mutantKinaseRegulation of Rho
1995
Different α1-Adrenergic Receptor Sequences Required for Activating Different Gα Subunits of Gq Class of G Proteins (∗)
Wu D, Jiang H, Simon M. Different α1-Adrenergic Receptor Sequences Required for Activating Different Gα Subunits of Gq Class of G Proteins (∗). Journal Of Biological Chemistry 1995, 270: 9828-9832. PMID: 7730363, DOI: 10.1074/jbc.270.17.9828.Peer-Reviewed Original ResearchConceptsG alpha 16G alpha 14Gq classAlpha 16Receptor sequencesDifferent G alpha subunitsAlpha subunitG proteinsG alpha q/11Different Gα subunitsG alpha subunitsAmino acid stretchAlpha q/11Alpha 14N-terminal segmentThird inner loopGα subunitsBBXXB motifRegulatory proteinsC-terminusN-terminusSpecific mutationsSubunitsProteinSpecific interactions
1994
Activation of phospholipase C beta 4 by heterotrimeric GTP-binding proteins.
Jiang H, Wu D, Simon M. Activation of phospholipase C beta 4 by heterotrimeric GTP-binding proteins. Journal Of Biological Chemistry 1994, 269: 7593-7596. PMID: 8125982, DOI: 10.1016/s0021-9258(17)37328-3.Peer-Reviewed Original ResearchConceptsPhospholipase C beta 4Beta 4PLC-beta 4C beta 4Gq classBeta 2 gamma 2Beta 1 gamma 2G alpha 15Alpha subunitG alpha 11G alpha qG alpha 16Gamma 2G beta gamma subunitsG alpha 14G beta 1 gamma 2Alpha 14Beta 1 gamma 1Beta gamma subunitsBeta 1 isoformAlpha 11Alpha qAlpha 15Heterotrimeric GTPGamma subunits
1993
Identification of critical regions on phospholipase C-beta 1 required for activation by G-proteins.
Wu D, Jiang H, Katz A, Simon M. Identification of critical regions on phospholipase C-beta 1 required for activation by G-proteins. Journal Of Biological Chemistry 1993, 268: 3704-3709. PMID: 8381437, DOI: 10.1016/s0021-9258(18)53750-9.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCarbacholCell LineCloning, MolecularEnzyme ActivationGTP-Binding ProteinsInositol PhosphatesKineticsMolecular Sequence DataMutagenesisNorepinephrinePhosphatidylinositol Diacylglycerol-LyasePhosphoric Diester HydrolasesPlasmidsReceptors, MuscarinicRecombinant ProteinsRestriction MappingSequence DeletionTransfectionConceptsG alpha q.PLC-beta 1COS-7 cellsG alpha qAlpha q.Alpha subunitG protein alpha subunitsAlpha qMuscarinic acetylcholine receptor type 1G alpha subunitsPhosphoinositide-specific phospholipase CIntrinsic enzymatic activitySpecific deletionAmino acid sequenceLigand-induced releasePhospholipase C beta 1C beta 1CDNA clonesAcid sequenceC-terminusG proteinsTerminal endDependent activationPhospholipase CAlpha 1C-adrenergic receptor
1992
Activation of phospholipase C by alpha 1-adrenergic receptors is mediated by the alpha subunits of Gq family.
Wu D, Katz A, Lee C, Simon M. Activation of phospholipase C by alpha 1-adrenergic receptors is mediated by the alpha subunits of Gq family. Journal Of Biological Chemistry 1992, 267: 25798-25802. PMID: 1334487, DOI: 10.1016/s0021-9258(18)35680-1.Peer-Reviewed Original ResearchConceptsG alpha 11G alpha 16G alpha qG alpha 14Alpha 14Phospholipase C beta 1C beta 1Alpha 11Alpha qBeta 1C receptorAlpha 16Cos-7 cellsPhospholipase CAlpha 1Subtypes of alphaRegulatory protein alpha subunitFunctional couplingG alpha subunitsAlpha subunitInositol phosphate releaseG alpha q/G alpha 11Synergistic responseReceptor subtypesSame assay systemActivation of phospholipase C by the alpha subunits of the Gq and G11 proteins in transfected Cos-7 cells.
Wu D, Lee C, Rhee S, Simon M. Activation of phospholipase C by the alpha subunits of the Gq and G11 proteins in transfected Cos-7 cells. Journal Of Biological Chemistry 1992, 267: 1811-1817. PMID: 1309799, DOI: 10.1016/s0021-9258(18)46018-8.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibodiesCell LineCell MembraneEnzyme ActivationGTP-Binding ProteinsGuanosine 5'-O-(3-Thiotriphosphate)InositolInositol PhosphatesIsoenzymesKineticsMacromolecular SubstancesMolecular Sequence DataMutagenesis, Site-DirectedPeptidesPhosphatidylinositol Diacylglycerol-LyasePhosphoinositide Phospholipase CPhosphoric Diester HydrolasesTransfectionType C PhospholipasesConceptsG alpha 11G alpha qCos-7 cellsG alpha zAlpha qPI-PLCAlpha 11Alpha subunitAlpha zG protein alpha subunitsProtein alpha subunitsAlpha-subunit cDNAHigh steady-state levelsPhospholipase C beta 1Introduction of mutationsCell-free systemHigh-efficiency transient transfectionG protein activationC beta 1Glutamine 205Steady-state levelsBeta 1Transient transfectionProtein activationLeucine mutant
1991
Antibodies to the alpha q subfamily of guanine nucleotide-binding regulatory protein alpha subunits attenuate activation of phosphatidylinositol 4,5-bisphosphate hydrolysis by hormones.
Gutowski S, Smrcka A, Nowak L, Wu D, Simon M, Sternweis P. Antibodies to the alpha q subfamily of guanine nucleotide-binding regulatory protein alpha subunits attenuate activation of phosphatidylinositol 4,5-bisphosphate hydrolysis by hormones. Journal Of Biological Chemistry 1991, 266: 20519-20524. PMID: 1657928, DOI: 10.1016/s0021-9258(18)54955-3.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsBlotting, WesternBradykininCell LineElectrophoresis, Polyacrylamide GelGTP-Binding ProteinsHormonesHydrolysisImmune SeraPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol Diacylglycerol-LyasePhosphatidylinositol PhosphatesPhosphoric Diester HydrolasesPrecipitin TestsRatsConceptsAlpha qHormonal regulationNG108-15 cellsBisphosphate hydrolysisPhospholipase CRegulatory protein alphaPhospholipase C activityAlpha 11Attenuate activationG protein alpha subunitsAffinity-purified antibodiesProtein alphaProtein alpha subunitsAntibodiesGuanosine 5'Rat liverGq familyCommon carboxyl terminusC activityPhospholipase C.Alpha subunitDetergent extractsAntiserumActivationPeptides