2017
Genetic and phenotypic overlap of specific obsessive-compulsive and attention-deficit/hyperactive subtypes with Tourette syndrome
Hirschtritt M, Darrow S, Illmann C, Osiecki L, Grados M, Sandor P, Dion Y, King R, Pauls D, Budman C, Cath D, Greenberg E, Lyon G, Yu D, McGrath L, McMahon W, Lee P, Delucchi K, Scharf J, Mathews C. Genetic and phenotypic overlap of specific obsessive-compulsive and attention-deficit/hyperactive subtypes with Tourette syndrome. Psychological Medicine 2017, 48: 279-293. PMID: 28651666, PMCID: PMC7909616, DOI: 10.1017/s0033291717001672.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderSymmetry/exactnessTourette syndromeLatent class analysisSymptom patternsADHD symptomsHigher psychiatric comorbidity ratesPsychiatric comorbidity ratesExploratory factor analysisHyperactive subtypeComorbidity ratesTS patientsClinical relevanceSpecific subtypesSum scoreUnique phenotypicHyperactivity disorderSymptomsPhenotypic overlapThree-class solutionTraditional diagnostic boundariesAggressive urgesSyndromeSubtypesDiagnostic boundaries
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