2024
Proteomic Profile of Circulating Extracellular Vesicles in the Brain after Δ9-Tetrahydrocannabinol Inhalation
Lallai V, Lam T, Garcia-Milian R, Chen Y, Fowler J, Manca L, Piomelli D, Williams K, Nairn A, Fowler C. Proteomic Profile of Circulating Extracellular Vesicles in the Brain after Δ9-Tetrahydrocannabinol Inhalation. Biomolecules 2024, 14: 1143. PMID: 39334909, PMCID: PMC11430348, DOI: 10.3390/biom14091143.Peer-Reviewed Original ResearchConceptsImmediate early gene c-fosChronic THC exposureEarly gene c-fosCannabinoid 1 receptorGene c-fosSex-specific mannerTHC exposurePsychoactive componentExtracellular vesiclesCentral signaling mechanismDrug effectsTHCChoroid plexus epithelial cellsFemale ratsC-fosPlexus epithelial cellsBrainCannabisRelease of EVsRegulate intercellular communicationCerebrospinal fluidEpithelial cellsIntercellular signaling mediatorsEV signalingIntercellular communication
2018
Striatal Signaling Regulated by the H3R Histamine Receptor in a Mouse Model of tic Pathophysiology
Rapanelli M, Frick L, Jindachomthong K, Xu J, Ohtsu H, Nairn A, Pittenger C. Striatal Signaling Regulated by the H3R Histamine Receptor in a Mouse Model of tic Pathophysiology. Neuroscience 2018, 392: 172-179. PMID: 30278251, PMCID: PMC6204318, DOI: 10.1016/j.neuroscience.2018.09.035.Peer-Reviewed Original ResearchConceptsHDC-KO miceMitogen-activated protein kinaseHistamine receptorsWT animalsDorsal striatumH3R activationTic-like movementsStriatonigral medium spiny neuronsAkt phosphorylationMedium spiny neuronsWild-type miceRare genetic causeHistamine dysregulationAgonist treatmentKO miceSpiny neuronsTic disordersTic pathophysiologyStriatal signalingMouse modelNeuropsychiatric diseasesKO modelRepetitive movementsStriatumMiceStriatin-1 is a B subunit of protein phosphatase PP2A that regulates dendritic arborization and spine development in striatal neurons
Li D, Musante V, Zhou W, Picciotto MR, Nairn AC. Striatin-1 is a B subunit of protein phosphatase PP2A that regulates dendritic arborization and spine development in striatal neurons. Journal Of Biological Chemistry 2018, 293: 11179-11194. PMID: 29802198, PMCID: PMC6052221, DOI: 10.1074/jbc.ra117.001519.Peer-Reviewed Original ResearchConceptsSerine/threonine phosphatase PP2AStriatin-interacting phosphataseRNA knockdown approachB subunitSTRIPAK complexPhosphatase PP2AProtein phosphataseMultiprotein complexesKnockdown approachStriatin familyMutant constructsStriatal neuronal culturesPP2ANeuronal developmentPrimary striatal neuronal culturesDendritic phenotypeKnockdown modelSynapse formationSubunitsSpine developmentSelective roleReduced expressionNeuron maturationNeuronal culturesStriatal neurons
2000
Severed Channels Probe Regulation of Gating of Cystic Fibrosis Transmembrane Conductance Regulator by Its Cytoplasmic Domains
Csanády L, Chan K, Seto-Young D, Kopsco D, Nairn A, Gadsby D. Severed Channels Probe Regulation of Gating of Cystic Fibrosis Transmembrane Conductance Regulator by Its Cytoplasmic Domains. The Journal Of General Physiology 2000, 116: 477-500. PMID: 10962022, PMCID: PMC2233695, DOI: 10.1085/jgp.116.3.477.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAdenylyl ImidodiphosphateAnimalsBase SequenceCyclic AMP-Dependent Protein KinasesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorDNA PrimersFemaleHumansIn Vitro TechniquesIon Channel GatingModels, BiologicalMutationOocytesPhosphorylationProtein Structure, TertiaryRecombinant ProteinsXenopusConceptsR domainCFTR channelsPhosphorylated R domainWild-type CFTR channelsCytoplasmic regulatory domainCystic fibrosis transmembrane conductance regulatorNucleotide Binding DomainFibrosis transmembrane conductance regulatorDetailed functional characteristicsWT channelsApparent ATP affinityTransmembrane conductance regulatorCFTR Cl- channelPresence of PKANonhydrolyzable ATP analogue AMPPNPATP analogue AMPPNPATP bindingRegulatory domainCytoplasmic domainWt-CFTRBinding domainsGating eventsConductance regulatorATP affinityFunctional interactionSevered Molecules Functionally Define the Boundaries of the Cystic Fibrosis Transmembrane Conductance Regulator's Nh2-Terminal Nucleotide Binding Domain
Chan K, Csanády L, Seto-Young D, Nairn A, Gadsby D. Severed Molecules Functionally Define the Boundaries of the Cystic Fibrosis Transmembrane Conductance Regulator's Nh2-Terminal Nucleotide Binding Domain. The Journal Of General Physiology 2000, 116: 163-180. PMID: 10919864, PMCID: PMC2229491, DOI: 10.1085/jgp.116.2.163.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine MonophosphateAnimalsCystic Fibrosis Transmembrane Conductance RegulatorEndoplasmic ReticulumEpitopesFemaleGene DeletionGene ExpressionIon Channel GatingKineticsMembrane PotentialsMolecular Sequence DataMutagenesisOligopeptidesOocytesPatch-Clamp TechniquesPeptide FragmentsPeptidesPrecipitin TestsProtein BindingProtein Structure, TertiarySequence Homology, Amino AcidTransfectionXenopus laevisConceptsR domainCFTR channelsCOOH terminusMature formFull-length CFTRCystic fibrosis transmembrane conductance regulatorAmino acids 590Nucleotide Binding DomainFibrosis transmembrane conductance regulatorExcised patch recordingsChannel activityFamily of ATPRequirement of phosphorylationCFTR channel activityTransmembrane conductance regulatorNBD1 domainSmaller single-channel conductanceCFTR polypeptideTransmembrane domainATP bindingRegulatory domainCassette proteinNBD structuresNBD1Binding domains
1997
Widespread Neuronal Ectopia Associated with Secondary Defects in Cerebrocortical Chondroitin Sulfate Proteoglycans and Basal Lamina in MARCKS-Deficient Mice
Blackshear P, Silver J, Nairn A, Sulik K, Squier M, Stumpo D, Tuttle J. Widespread Neuronal Ectopia Associated with Secondary Defects in Cerebrocortical Chondroitin Sulfate Proteoglycans and Basal Lamina in MARCKS-Deficient Mice. Experimental Neurology 1997, 145: 46-61. PMID: 9184108, DOI: 10.1006/exnr.1997.6475.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, MonoclonalBasement MembraneCerebral CortexChondroitin SulfatesFemaleGene Expression Regulation, DevelopmentalIntracellular Signaling Peptides and ProteinsLamininMaleMembrane ProteinsMiceMice, Mutant StrainsMicroscopy, Electron, ScanningMutationMyristoylated Alanine-Rich C Kinase SubstrateNeurogliaNeuronsPia MaterPregnancyProteinsProteoglycansReticulinSynaptophysinConceptsChondroitin sulfate proteoglycanNeuronal ectopiaBasal laminaSulfate proteoglycanProtein kinase CEmbryonic day 13Basal lamina proteinsReticulin stainingSubarachnoid spaceForebrain commissuresPial membraneDay 13EctopiaGross abnormalitiesRetinal laminationMiceMARCKS deficiencyAbnormalitiesPotential mechanismsNeural substratesMarginal zoneProteolytic destructionKinase CProteoglycansLamina
1994
Coupling of CFTR Cl− channel gating to an ATP hydrolysis cycle
Baukrowitz T, Hwang T, Nairn A, Gadsby D. Coupling of CFTR Cl− channel gating to an ATP hydrolysis cycle. Neuron 1994, 12: 473-482. PMID: 7512348, DOI: 10.1016/0896-6273(94)90206-2.Peer-Reviewed Original ResearchConceptsCystic fibrosis transmembrane conductance regulatorATP hydrolysis cycleHydrolysis cycleCFTR channelsFibrosis transmembrane conductance regulatorProtein kinase ATransmembrane conductance regulatorATP hydrolysisKinase AConductance regulatorNucleoside triphosphatesChannel openingInorganic phosphate analogueATPPhosphate analogueCardiac myocytesInorganic phosphateMean open timeRegulatorHydrolysis productsBeF3Open timeCycleTriphosphate
1992
Distribution of Protein Phosphatase Inhibitor‐1 in Brain and Peripheral Tissues of Various Species: Comparison with DARPP‐32
Hemmings H, Girault J, Nairn A, Bertuzzi G, Greengard P. Distribution of Protein Phosphatase Inhibitor‐1 in Brain and Peripheral Tissues of Various Species: Comparison with DARPP‐32. Journal Of Neurochemistry 1992, 59: 1053-1061. PMID: 1353788, DOI: 10.1111/j.1471-4159.1992.tb08347.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainCarrier ProteinsCentral Nervous SystemDopamine and cAMP-Regulated Phosphoprotein 32Enzyme InhibitorsFemaleIntracellular Signaling Peptides and ProteinsMaleNerve Tissue ProteinsPhosphoproteinsProteinsRatsRats, Inbred StrainsSubcellular FractionsTissue DistributionTyrosine 3-MonooxygenaseVertebrates
1991
Evidence for isoproterenol-induced phosphorylation of phosphatase inhibitor-1 in the intact heart.
Neumann J, Gupta R, Schmitz W, Scholz H, Nairn A, Watanabe A. Evidence for isoproterenol-induced phosphorylation of phosphatase inhibitor-1 in the intact heart. Circulation Research 1991, 69: 1450-1457. PMID: 1659500, DOI: 10.1161/01.res.69.6.1450.Peer-Reviewed Original ResearchConceptsPhosphatase inhibitor-1Protein phosphatase inhibitor-1Type 1 phosphatase activityPhosphatase activityInhibitor-1Sodium dodecyl sulfate gelsDodecyl sulfate gelsIsoproterenol-induced phosphorylationSulfate gelsProteinRadioactive proteinsPhosphorylationPmol 32P/KdPhysiological bufferAntiserumActivityIndirect assayConcentrations of isoproterenolAgonist isoproterenolActivationAssaysVivoIntact heartCAMP
1990
Phosphorylation of connexin 32, a hepatocyte gap‐junction protein, by cAMP‐dependent protein kinase, protein kinase C and Ca2+/calmodulin‐dependent protein kinase II
SAEZ J, NAIRN A, CZERNIK A, SPRAY D, HERTZBERG E, GREENGARD P, BENNETT M. Phosphorylation of connexin 32, a hepatocyte gap‐junction protein, by cAMP‐dependent protein kinase, protein kinase C and Ca2+/calmodulin‐dependent protein kinase II. The FEBS Journal 1990, 192: 263-273. PMID: 2170122, DOI: 10.1111/j.1432-1033.1990.tb19223.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCalcium-Calmodulin-Dependent Protein KinasesConnexinsElectrophoresis, Gel, Two-DimensionalElectrophoresis, Polyacrylamide GelFemaleLiverMembrane ProteinsMolecular Sequence DataPeptide FragmentsPeptidesPhosphopeptidesPhosphorylationProtein Kinase CProtein KinasesRatsRats, Inbred StrainsConceptsProtein kinase CCAMP-dependent protein kinaseDependent protein kinase IIGap junction proteinPhosphopeptide mappingProtein kinaseSeryl residuesProtein kinase IICAMP-PKKinase IIKinase CCell typesConnexin 32PK IIPhosphoamino acid analysisDifferent gap junction proteinsSites of phosphorylationPhosphorylated synthetic peptideCAMP-PK activityGap junctionsAmino acid sequencingActivation of PKCDifferent cell typesPhysiological substratesSynthetic peptides
1986
Intracellular injection of cGMP-dependent protein kinase results in increased input resistance in neurons of the mammalian motor cortex
Woody C, Bartfai T, Gruen E, Nairn A. Intracellular injection of cGMP-dependent protein kinase results in increased input resistance in neurons of the mammalian motor cortex. Brain Research 1986, 386: 379-385. PMID: 3779415, DOI: 10.1016/0006-8993(86)90175-7.Peer-Reviewed Original ResearchConceptsMammalian motor cortexMotor cortexInput resistanceSame cortical areaCyclic GMP-dependent protein kinasePrecruciate cortexIntracellular injectionAwake catsCortical areasMicroM cGMPNeuronsCortexInjectionCGMPGMP-dependent protein kinaseProtein kinase resultsAcetylcholineProtein kinasePresent results