2023
Postinfectious Inflammation, Autoimmunity, and Obsessive-Compulsive Disorder: Sydenham Chorea, Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcal Infection, and Pediatric Acute-Onset Neuropsychiatric Disorder
Vreeland A, Calaprice D, Or-Geva N, Frye R, Agalliu D, Lachman H, Pittenger C, Pallanti S, Williams K, Ma M, Thienemann M, Gagliano A, Mellins E, Frankovich J. Postinfectious Inflammation, Autoimmunity, and Obsessive-Compulsive Disorder: Sydenham Chorea, Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcal Infection, and Pediatric Acute-Onset Neuropsychiatric Disorder. Developmental Neuroscience 2023, 45: 361-374. PMID: 37742615, DOI: 10.1159/000534261.Peer-Reviewed Original ResearchConceptsPediatric acute-onset neuropsychiatric syndromeObsessive-compulsive disorderGroup A streptococciSydenham's choreaNeuropsychiatric disordersStreptococcal infectionAcute-onset obsessive-compulsive disorderPediatric autoimmune neuropsychiatric disorders associated with streptococcal infectionsAssociated with streptococcal infectionsAnimal modelsPediatric autoimmune neuropsychiatric disordersAnti-neuronal autoantibodiesAutoimmune neuropsychiatric disordersTriggered by infectionModulate neuronal activityRandomized clinical trialsNeuropsychiatric syndromeNeuropsychiatric manifestationsRheumatologic diseasesClinical trialsA streptococciNeural antigensBasal gangliaClinical syndromeNeuronal activity
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