2009
Streptococcal Upper Respiratory Tract Infections and Psychosocial Stress Predict Future Tic and Obsessive-Compulsive Symptom Severity in Children and Adolescents with Tourette Syndrome and Obsessive-Compulsive Disorder
Lin H, Williams KA, Katsovich L, Findley DB, Grantz H, Lombroso PJ, King RA, Bessen DE, Johnson D, Kaplan EL, Landeros-Weisenberger A, Zhang H, Leckman JF. Streptococcal Upper Respiratory Tract Infections and Psychosocial Stress Predict Future Tic and Obsessive-Compulsive Symptom Severity in Children and Adolescents with Tourette Syndrome and Obsessive-Compulsive Disorder. Biological Psychiatry 2009, 67: 684-691. PMID: 19833320, PMCID: PMC2843763, DOI: 10.1016/j.biopsych.2009.08.020.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnti-Bacterial AgentsAttention Deficit Disorder with HyperactivityChildDepressive DisorderFemaleForecastingHumansLife Change EventsMaleObsessive-Compulsive DisorderPredictive Value of TestsProspective StudiesPsychologyRespiratory Tract InfectionsSeverity of Illness IndexStreptococcal InfectionsTicsTourette SyndromeConceptsDepressive symptom severityObsessive-compulsive disorderGABHS infectionPsychosocial stressTourette syndromeSymptom severityControl subjectsStreptococcal upper respiratory tract infectionUpper respiratory tract infectionBeta-hemolytic streptococcal infectionCurrent psychosocial stressRespiratory tract infectionsHealthy control subjectsProspective longitudinal studyEarly-onset obsessive-compulsive disorderMinority of childrenOC symptom severityTract infectionsStreptococcal infectionGABHS infectionsObsessive-compulsive symptom severityClinical ratingsNew infectionsClinical ratersControl status
2001
Antibodies against neural, nuclear, cytoskeletal, and streptococcal epitopes in children and adults with Tourette’s syndrome, Sydenham’s chorea, and autoimmune disorders
Morshed S, Parveen S, Leckman J, Mercadante M, Kiss M, Miguel E, Arman A, Yazgan Y, Fujii T, Paul S, Peterson B, Zhang H, King R, Scahill L, Lombroso P. Antibodies against neural, nuclear, cytoskeletal, and streptococcal epitopes in children and adults with Tourette’s syndrome, Sydenham’s chorea, and autoimmune disorders. Biological Psychiatry 2001, 50: 566-577. PMID: 11690591, DOI: 10.1016/s0006-3223(01)01096-4.Peer-Reviewed Original ResearchConceptsTotal antinuclear antibodiesAntinuclear antibodiesAutoimmune disordersTourette syndromeAnticytoskeletal antibodiesAntineural antibodiesStreptococcal infectionT patientsTS patientsBeta-hemolytic streptococcal infectionPrior streptococcal infectionHemolytic streptococcal infectionAntistreptolysin O titerIndirect immunofluorescent assayLevels of immunoreactivityWestern blot techniqueMean rankClinical characteristicsSydenham's choreaO titerPatient groupSC patientsIgG antibodiesIgG classNormal controls