2012
Behavioral, Pharmacological, and Immunological Abnormalities after Streptococcal Exposure: A Novel Rat Model of Sydenham Chorea and Related Neuropsychiatric Disorders
Brimberg L, Benhar I, Mascaro-Blanco A, Alvarez K, Lotan D, Winter C, Klein J, Moses AE, Somnier FE, Leckman JF, Swedo SE, Cunningham MW, Joel D. Behavioral, Pharmacological, and Immunological Abnormalities after Streptococcal Exposure: A Novel Rat Model of Sydenham Chorea and Related Neuropsychiatric Disorders. Neuropsychopharmacology 2012, 37: 2076-2087. PMID: 22534626, PMCID: PMC3398718, DOI: 10.1038/npp.2012.56.Peer-Reviewed Original ResearchConceptsSydenham's choreaNeuropsychiatric disordersStreptococcal exposureImmunological abnormalitiesMotor symptomsRat modelAnimal modelsSelective serotonin reuptake inhibitor paroxetineGroup A streptococcal infectionsSerotonin reuptake inhibitor paroxetineSK-N-SH neuronal cellsMale Lewis ratsNovel rat modelNew animal modelCalcium/calmodulin-dependent protein kinase IIRelated neuropsychiatric disordersStreptococcal infectionLewis ratsAntibody depositionBasal gangliaCalmodulin-dependent protein kinase IIDopamine D1GAS antigensGlutamate levelsD2 receptors
2006
Identification of pyruvate kinase as an antigen associated with Tourette syndrome
Kansy JW, Katsovich L, McIver KS, Pick J, Zabriskie JB, Lombroso PJ, Leckman JF, Bibb JA. Identification of pyruvate kinase as an antigen associated with Tourette syndrome. Journal Of Neuroimmunology 2006, 181: 165-176. PMID: 17011640, PMCID: PMC1853370, DOI: 10.1016/j.jneuroim.2006.08.007.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAmino Acid SequenceAnimalsAntibodies, BacterialAntigensAutoantibodiesBrainChildCross ReactionsHumansImmunohistochemistryLongitudinal StudiesMaleMiceMice, Inbred C57BLMolecular Sequence DataProspective StudiesPyruvate KinaseRatsSeroepidemiologic StudiesStreptococcal InfectionsTicsTourette SyndromeConceptsStreptococcal infectionObsessive-compulsive disorderTourette syndromeAutoimmune targetExacerbated symptomsBeta-hemolytic streptococcal infectionEarly-onset obsessive-compulsive disorderStreptococcal M proteinPediatric populationTic disordersImmune responseSurface antigenInfectious strainsSyndromeInfectionDisordersPyruvate kinaseM proteinPatientsImmunoreactivitySymptomsAntigenAntibodiesGlycolytic enzymesM1 isoform
2005
Antineural antibody in patients with Tourette’s syndrome and their family members
Yeh CB, Wu CH, Tsung HC, Chen CW, Shyu JF, Leckman JF. Antineural antibody in patients with Tourette’s syndrome and their family members. Journal Of Biomedical Science 2005, 13: 101-112. PMID: 16215701, DOI: 10.1007/s11373-005-9033-y.Peer-Reviewed Original ResearchConceptsAntineural antibodiesTourette syndromeTS patientsTic disordersControl groupFirst-degree family membersAge-matched control groupFamily membersSera of controlsImmunological pathophysiologyStreptococcal infectionPrimary cell culturesPatientsInfectious agentsSyndromeNeuropsychiatric disordersWestern blottingAntibodiesRat tissuesInteraction of geneticsGenetic vulnerabilitySerumDisordersFuture studiesCell culturesMicroinfusion of antineuronal antibodies into rodent striatum: Failure to differentiate between elevated and low titers
Singer HS, Mink JW, Loiselle CR, Burke KA, Ruchkina I, Morshed S, Parveen S, Leckman JF, Hallett JJ, Lombroso PJ. Microinfusion of antineuronal antibodies into rodent striatum: Failure to differentiate between elevated and low titers. Journal Of Neuroimmunology 2005, 163: 8-14. PMID: 15885303, DOI: 10.1016/j.jneuroim.2005.02.018.Peer-Reviewed Original ResearchConceptsAntineuronal antibodiesMovement disordersMale Sprague-Dawley ratsPediatric movement disordersSerum antineuronal antibodiesSprague-Dawley ratsStart of infusionNonspecific behavioral effectsAttention deficit hyperactivity disorderDeficit hyperactivity disorderAntibody infusionSham surgeryVentrolateral striatumObsessive-compulsive disorderSerum titersAntibody titersUse of ELISAImmunohistochemical techniquesTourette syndromeBehavioral abnormalitiesRodent striatumDay 2Stereotypy scoresInfusionLow titers
2003
Homez, a homeobox leucine zipper gene specific to the vertebrate lineage
Bayarsaihan D, Enkhmandakh B, Makeyev A, Greally JM, Leckman JF, Ruddle FH. Homez, a homeobox leucine zipper gene specific to the vertebrate lineage. Proceedings Of The National Academy Of Sciences Of The United States Of America 2003, 100: 10358-10363. PMID: 12925734, PMCID: PMC193566, DOI: 10.1073/pnas.1834010100.Peer-Reviewed Original ResearchConceptsLeucine zipper-like motifHomeobox-containing proteinLobe-finned fishesVertebrate homeobox genesFamily of genesLeucine zipper genesUnusual structural organizationZipper-like motifOverall protein structureVertebrate lineageComplementation modelZipper genePufferfish homologsHomeodomain sequencesMammalian sequencesMouse geneZHX familyMouse developmentAcidic domainHomeobox genesPhylogenetic analysisHomeodomain factorsGenomic analysisAtypical homeodomainHomez
2002
An Animal Model of Tourettes Syndrome
Taylor JR, Morshed SA, Parveen S, Mercadante MT, Scahill L, Peterson BS, King RA, Leckman JF, Lombroso PJ. An Animal Model of Tourettes Syndrome. American Journal Of Psychiatry 2002, 159: 657-660. PMID: 11925307, DOI: 10.1176/appi.ajp.159.4.657.Peer-Reviewed Original Research
1995
Basic Fibroblast Growth Factor Increases the Number of Excitatory Neurons Containing Glutamate in the Cerebral Cortex
Vaccarino F, Schwartz M, Hartigan D, Leckman J. Basic Fibroblast Growth Factor Increases the Number of Excitatory Neurons Containing Glutamate in the Cerebral Cortex. Cerebral Cortex 1995, 5: 64-78. PMID: 7719131, DOI: 10.1093/cercor/5.1.64.Peer-Reviewed Original ResearchConceptsBasic fibroblast growth factorNerve growth factorGlutamate-containing neuronsCerebral cortexFibroblast growth factorGrowth factorAspartate-containing neuronsDifferent neurotransmitter phenotypesNumber of GABARatio of glutamateStem cellsNeurotransmitter phenotypeExcitatory neuronsInhibitory neuronsRat telencephalonVentricular zoneBFGF mRNAGABANeuronsCortexGlutamateDiffusible factorsThreefold increaseCellsFactors