2024
Elevated antibody binding to striatal cholinergic interneurons in patients with pediatric acute-onset neuropsychiatric syndrome
Xu J, Frankovich J, Liu R, Thienemann M, Silverman M, Farhadian B, Willett T, Manko C, Columbo L, Leibold C, Vaccarino F, Che A, Pittenger C. Elevated antibody binding to striatal cholinergic interneurons in patients with pediatric acute-onset neuropsychiatric syndrome. Brain Behavior And Immunity 2024, 122: 241-255. PMID: 39084540, DOI: 10.1016/j.bbi.2024.07.044.Peer-Reviewed Original ResearchPediatric Autoimmune Neuropsychiatric Disorders Associated with StreptococcusPediatric acute-onset neuropsychiatric syndromeStriatal cholinergic interneuronsCholinergic interneuronsObsessive-compulsive symptomsModulate basal ganglia functionNeuropsychiatric syndromeSignificant obsessive-compulsive symptomsBasal ganglia functionEx vivo brain slicesSevere food restrictionElevated antibodiesClinical historyPatient plasmaNeuropsychiatric manifestationsStreptococcus infectionBrain slicesSymptom flaresControl plasmaFood restrictionSerum antibodiesHuman brainInfectionAbrupt onsetClinical context
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