2023
The histamine H3 receptor modulates dopamine D2 receptor–dependent signaling pathways and mouse behaviors
Xu J, Pittenger C. The histamine H3 receptor modulates dopamine D2 receptor–dependent signaling pathways and mouse behaviors. Journal Of Biological Chemistry 2023, 299: 104583. PMID: 36871761, PMCID: PMC10139999, DOI: 10.1016/j.jbc.2023.104583.Peer-Reviewed Original ResearchConceptsStress-activated protein kinase 1Receptor-dependent signaling pathwaysSerine/threonineGlycogen synthase kinase 3 betaSynthase kinase 3 betaProtein kinase 1Phosphorylation of mitogenBiochemical approachesMolecular mechanismsKinase 1Signaling pathwaysProximity ligationBeta signalingBiochemical levelPhosphorylation levelsReceptorsActivationHistamine H3 receptorsPhosphorylationSignalingThreonineAktSpiny projection neuronsD2R functionBetter understanding
2020
Antibodies From Children With PANDAS Bind Specifically to Striatal Cholinergic Interneurons and Alter Their Activity
Xu J, Liu RJ, Fahey S, Frick L, Leckman J, Vaccarino F, Duman RS, Williams K, Swedo S, Pittenger C. Antibodies From Children With PANDAS Bind Specifically to Striatal Cholinergic Interneurons and Alter Their Activity. American Journal Of Psychiatry 2020, 178: 48-64. PMID: 32539528, PMCID: PMC8573771, DOI: 10.1176/appi.ajp.2020.19070698.Peer-Reviewed Original ResearchConceptsStriatal cholinergic interneuronsCholinergic interneuronsMouse brain slicesObsessive-compulsive disorderControl subjectsBrain slicesPediatric autoimmune neuropsychiatric disordersIntravenous immunoglobulin treatmentAutoimmune neuropsychiatric disordersAcute mouse brain slicesParvalbumin-expressing GABAergic interneuronsPediatric obsessive-compulsive disorderBrain antigensImmunoglobulin treatmentBaseline serumStreptococcal infectionCritical cellular targetsSymptom improvementGABAergic interneuronsInduced autoimmunityIgG antibodiesMouse slicesIndependent cohortBehavioral pathologyNeuron types
2015
Targeted ablation of cholinergic interneurons in the dorsolateral striatum produces behavioral manifestations of Tourette syndrome
Xu M, Kobets A, Du JC, Lennington J, Li L, Banasr M, Duman RS, Vaccarino FM, DiLeone RJ, Pittenger C. Targeted ablation of cholinergic interneurons in the dorsolateral striatum produces behavioral manifestations of Tourette syndrome. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 893-898. PMID: 25561540, PMCID: PMC4311862, DOI: 10.1073/pnas.1419533112.Peer-Reviewed Original ResearchConceptsTourette syndromeCholinergic interneuronsDorsolateral striatumSensorimotor gatingD-amphetamine challengeLarge cholinergic interneuronsSpecific cell ablationInterneuron deficitsStriatal interneuronsAcute administrationGABAergic markersDopaminergic drugsAvailable treatmentsPostmortem studiesPrepulse inhibitionTic disordersSevere diseaseHuman putamenMotor coordinationInterneuronsTargeted ablationSevere endStriatumAcute stressGilles de
2013
Global Resting-State Functional Magnetic Resonance Imaging Analysis Identifies Frontal Cortex, Striatal, and Cerebellar Dysconnectivity in Obsessive-Compulsive Disorder
Anticevic A, Hu S, Zhang S, Savic A, Billingslea E, Wasylink S, Repovs G, Cole MW, Bednarski S, Krystal JH, Bloch MH, Li CS, Pittenger C. Global Resting-State Functional Magnetic Resonance Imaging Analysis Identifies Frontal Cortex, Striatal, and Cerebellar Dysconnectivity in Obsessive-Compulsive Disorder. Biological Psychiatry 2013, 75: 595-605. PMID: 24314349, PMCID: PMC3969771, DOI: 10.1016/j.biopsych.2013.10.021.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderPrefrontal cortexResting-state functional connectivity dataStriatum/nucleus accumbensVentral striatum/nucleus accumbensResting-state functional connectivity studiesVentral anterior cingulate cortexCortico-striatal circuitsMagnetic Resonance Imaging AnalysisAnterior cingulate cortexFunctional connectivity studiesBasal gangliaControl subjectsFunctional connectivity dataAnterior thalamusRight putamenFrontal cortexNucleus accumbensDorsal striatumCerebellar cortexAbnormal neural connectivityCerebellar dysconnectivityCingulate cortexWhole brainFunctional magnetic resonance imaging (fMRI) analysis