2024
GABAA receptor π forms channels that stimulate ERK through a G-protein-dependent pathway
Wang Y, Zhang Y, Li W, Salovska B, Zhang J, Li T, Li H, Liu Y, Kaczmarek L, Pusztai L, Klein D. GABAA receptor π forms channels that stimulate ERK through a G-protein-dependent pathway. Molecular Cell 2024, 85: 166-176.e5. PMID: 39642883, PMCID: PMC11698630, DOI: 10.1016/j.molcel.2024.11.016.Peer-Reviewed Original ResearchExtracellular regulated kinaseStimulated extracellular regulated kinaseExtracellular-regulated kinase signalingG-protein-dependent pathwayG protein-coupled pathwayUncharacterized pathwayGrowth signalsSignaling functionsCryoelectron microscopyCryo-EMSignaling mechanismsGABRPFunctional assaysNative nanodiscsPathwayStimulate growthPhysiological concentrationsAbsence of GABATargeted inhibitionType A receptorConcentrations of GABAMetabotropic receptorsIonotropic activitySignalGABA binding
2020
Irritant-evoked activation and calcium modulation of the TRPA1 receptor
Zhao J, Lin King JV, Paulsen CE, Cheng Y, Julius D. Irritant-evoked activation and calcium modulation of the TRPA1 receptor. Nature 2020, 585: 141-145. PMID: 32641835, PMCID: PMC7483980, DOI: 10.1038/s41586-020-2480-9.Peer-Reviewed Original ResearchConceptsPrimary afferent nerve fibersTRP channel subtypesAfferent nerve fibersIon channel TRPA1Inflammatory painIrritant receptorsMetabotropic receptorsTRPA1 receptorsCytoplasmic second messengersNerve fibersChannel subtypesCalcium permeabilityCalcium modulationTRPA1 regulationTRPA1Environmental toxicantsFunctional couplingReceptorsPainItchExogenous agentsAttractive targetIrritantsActivationSecond messenger
2013
Glutamatergic targets for new alcohol medications
Holmes A, Spanagel R, Krystal JH. Glutamatergic targets for new alcohol medications. Psychopharmacology 2013, 229: 539-554. PMID: 23995381, PMCID: PMC3811052, DOI: 10.1007/s00213-013-3226-2.Peer-Reviewed Original ResearchConceptsGlutamate systemGlycineB siteAlcohol-related behaviorsNMDA receptorsAlcohol abuseAlcohol consumptionN-methyl-D-aspartate receptorsChronic alcohol exposureElevated extracellular glutamatePathophysiology of alcoholismAMPA receptor subunitsAlcohol use disorderNovel pharmacotherapeutic approachesEffects of alcoholAlcohol medicationsBlocking NMDAHyperglutamatergic stateMetabotropic receptorsPharmacotherapeutic approachesAlcohol exposureExcess glutamateExtracellular glutamateGlutamate receptorsPreclinical studiesKainate receptors
2009
Modeling “psychosis” in vitro by inducing disordered neuronal network activity in cortical brain slices
Aghajanian GK. Modeling “psychosis” in vitro by inducing disordered neuronal network activity in cortical brain slices. Psychopharmacology 2009, 206: 575-585. PMID: 19241062, PMCID: PMC2755104, DOI: 10.1007/s00213-009-1484-9.Peer-Reviewed Original ResearchConceptsAberrant network activityBrain slicesReceptor agonistPyramidal cellsLayer V pyramidal cellsRecent phase II clinical trialPhase II clinical trialGABAA receptor antagonismStandard antipsychotic drugsMGlu2/3 receptor agonistGlutamatergic pyramidal cellsNetwork activityCortical brain slicesDopamine receptor agonistsTreatment of schizophreniaUsual side effectsPrefrontal brain slicesNeuronal network activityInterneuron deficitsGABA interneuronsClinical efficacyLysergic acid diethylamideMetabotropic receptorsReceptor antagonismClinical endpoints
1999
Dynamic properties of corticothalamic excitatory postsynaptic potentials and thalamic reticular inhibitory postsynaptic potentials in thalamocortical neurons of the guinea-pig dorsal lateral geniculate nucleus
von Krosigk M, Monckton J, Reiner P, McCormick D. Dynamic properties of corticothalamic excitatory postsynaptic potentials and thalamic reticular inhibitory postsynaptic potentials in thalamocortical neurons of the guinea-pig dorsal lateral geniculate nucleus. Neuroscience 1999, 91: 7-20. PMID: 10336055, DOI: 10.1016/s0306-4522(98)00557-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCerebral CortexElectric StimulationExcitatory Postsynaptic PotentialsFemaleGABA AgonistsGABA Antagonistsgamma-Aminobutyric AcidGeniculate BodiesGuinea PigsMaleMembrane PotentialsNerve FibersNeuronsReceptors, GABA-AReceptors, GABA-BReceptors, Metabotropic GlutamateReticular FormationRetinaThalamusConceptsExcitatory postsynaptic potentialsInhibitory postsynaptic potentialsSlow excitatory postsynaptic potentialMonosynaptic excitatory postsynaptic potentialsDorsal lateral geniculate nucleusGlutamate metabotropic receptorsPostsynaptic potentialsLateral geniculate nucleusThalamocortical neuronsCorticothalamic fibersMetabotropic receptorsGeniculate nucleusRepetitive activationRepetitive stimulationReceptor-mediated inhibitory postsynaptic potentialsGABAergic inhibitory postsynaptic potentialsExcitatory postsynaptic potential amplitudeFrequency-dependent decrementFrequency-dependent depressionAspartate glutamate receptorsPostsynaptic potential amplitudeFrequency-dependent facilitationFrequency-dependent increaseOptic tract fibersCorticothalamic afferents
1993
Neurotransmitter Control of Neocortical Neuronal Activity and Excitability
McCormick D, Wang Z, Huguenard J. Neurotransmitter Control of Neocortical Neuronal Activity and Excitability. Cerebral Cortex 1993, 3: 387-398. PMID: 7903176, DOI: 10.1093/cercor/3.5.387.Peer-Reviewed Original ResearchConceptsActivation of muscarinicMetabotropic receptorsPyramidal cellsLayers II/IIISingle spike activityGlutamate metabotropic receptorsDuration of EPSPsAction potential generationSpike frequency adaptationCurrent IAHPGABAergic neuronsCortical neuronsGABAA receptorsNMDA receptorsH2-histaminergicNeurotransmitter systemsNeurons resultsSerotoninergic receptorsCortical circuitsNeuronal activityNeurotransmitter controlNeuronal circuitsNeocortical neuronal activityAlpha 1Functional activationControl of firing mode of corticotectal and corticopontine layer V burst-generating neurons by norepinephrine, acetylcholine, and 1S,3R- ACPD
Wang Z, McCormick D. Control of firing mode of corticotectal and corticopontine layer V burst-generating neurons by norepinephrine, acetylcholine, and 1S,3R- ACPD. Journal Of Neuroscience 1993, 13: 2199-2216. PMID: 8386756, PMCID: PMC6576582, DOI: 10.1523/jneurosci.13-05-02199.1993.Peer-Reviewed Original ResearchConceptsIntracellular recordingsMetabotropic receptorsPyramidal cellsLayer V pyramidal cellsGlutamate metabotropic receptor agonistLayer V cellsMetabotropic receptor agonistApplication of norepinephrineAlpha-agonist phenylephrineBeta-antagonist propranololSingle spike activityMuscarinic antagonist scopolamineBeta-agonist isoprenalinePrimary visual cortexAction potential generationSingle-spike modeACh effectsMuscarinic subtypesNE responseInterburst frequencyMuscarinic agonistsReceptor agonistBath applicationPostsynaptic responsesAntagonist scopolamine
1991
Modulation of Protein Kinase C Translocation by Excitatory and Inhibitory Amino Acids in Primary Cultures of Neurons
Vaccarino F, Liljequist S, Tallman J. Modulation of Protein Kinase C Translocation by Excitatory and Inhibitory Amino Acids in Primary Cultures of Neurons. Journal Of Neurochemistry 1991, 57: 391-396. PMID: 1649249, DOI: 10.1111/j.1471-4159.1991.tb03765.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsAnimalsAnimals, NewbornBicucullineCell MembraneCells, CulturedCerebral CortexCorpus StriatumDizocilpine MaleateGlutamatesKineticsNeuronsOxadiazolesPhorbol 12,13-DibutyrateProtein Kinase CRatsRats, Inbred StrainsReceptors, AMPAReceptors, NeurotransmitterReceptors, N-Methyl-D-AspartateTetrodotoxinConceptsProtein kinase CPKC translocationAmino acidsExtracellular mediumProtein kinase C translocationAmino acid stimulationPrimary culturesKinase CC translocationExcitatory amino acid receptorsTranslocationExcitatory amino acid stimulationImine hydrogen maleateExcitatory amino acidsAmino acid receptorsRat cerebral cortexInhibitory amino acidsNMDA receptor antagonistAbsence of calciumAcid receptorsPhysiological concentrationsCerebral cortexMetabotropic receptorsReceptor antagonistAMPA receptors
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