2005
Nocturnal excretion of 6-sulphatoxymelatonin in children and adolescents with autistic disorder
Tordjman S, Anderson GM, Pichard N, Charbuy H, Touitou Y. Nocturnal excretion of 6-sulphatoxymelatonin in children and adolescents with autistic disorder. Biological Psychiatry 2005, 57: 134-138. PMID: 15652871, DOI: 10.1016/j.biopsych.2004.11.003.Peer-Reviewed Original ResearchConceptsAutistic disorderNocturnal urinary excretionPineal gland hormoneLow melatonin productionNormal control individualsMelatonin physiologyGroup of childrenUrinary excretionMelatonin administrationTanner stageSleep problemsNormal controlsReported alterationNocturnal excretionControl individualsExcretion rateDisordersGland hormoneMelatoninMelatonin productionAutistic impairmentsExcretionCircadian rhythmBehavioral expressionVerbal communication
1998
Peripheral serotonin measures in prepubertal psychiatric inpatients and normal children: associations with suicidal behavior and its risk factors
Pfeffer C, McBride P, Anderson G, Kakuma T, Fensterheim L, Khait V. Peripheral serotonin measures in prepubertal psychiatric inpatients and normal children: associations with suicidal behavior and its risk factors. Biological Psychiatry 1998, 44: 568-577. PMID: 9787881, DOI: 10.1016/s0006-3223(98)00020-1.Peer-Reviewed Original ResearchConceptsPrepubertal psychiatric inpatientsBlood tryptophanRisk factorsSerotonin contentSuicidal behaviorMood disordersNormal controlsInpatient childrenSuicidal ideationSerotonin-amplified platelet aggregationPsychiatric inpatientsSuicide attemptsPlatelet serotonin contentEthnic differencesRecent suicide attemptSerotonin measuresPrepubertal controlsPlatelet serotoninPrepubertal childrenInpatientsPlatelet aggregationNormal childrenWhole bloodChildrenDisorders
1997
Plasma β‐Endorphin, Adrenocorticotropin Hormone, and Cortisol in Autism
Tordjman S, McBride P, Hertzig M, Snow M, Anderson G, Hall L, Thompson S, Ferrari P, Cohen D. Plasma β‐Endorphin, Adrenocorticotropin Hormone, and Cortisol in Autism. Journal Of Child Psychology And Psychiatry 1997, 38: 705-715. PMID: 9315980, DOI: 10.1111/j.1469-7610.1997.tb01697.x.Peer-Reviewed Original ResearchConceptsAdrenocorticotropin hormoneBeta-endorphinPlasma levelsHigher plasma levelsPlasma β-endorphinNormal control individualsAcute stress responseΒ-endorphinNormal controlsControl individualsAcute stressorChronic hyperarousalStress response systemSevere autismCortisolAutistic groupHormoneIndividualsGroupHighest meanAutistic individualsLevelsStress response
1996
Elevated cerebrospinal fluid corticotropin-releasing ractor in Tourette's syndrome: Comparison to obsessive compulsive disorder and normal controls
Chappell P, Leckman J, Goodman W, Bissette G, Pauls D, Anderson G, Riddle M, Scahill L, McDougle C, Cohen D. Elevated cerebrospinal fluid corticotropin-releasing ractor in Tourette's syndrome: Comparison to obsessive compulsive disorder and normal controls. Biological Psychiatry 1996, 39: 776-783. PMID: 8731518, DOI: 10.1016/0006-3223(95)00221-9.Peer-Reviewed Original ResearchConceptsCorticotropin-releasing factorCSF corticotropin-releasing factorTourette syndromeObsessive-compulsive disorderNormal controlsCerebrospinal fluidPathobiology of TSOCD patientsMedication-free outpatientsCompulsive disorderLumbar cerebrospinal fluidNoradrenergic mechanismsHealthy controlsTS patientsObsessive-compulsive behaviorTic severityCardinal featuresClinical ratingsPatientsSyndromeRelated conditionsStandardized fashionNeurobiological mechanismsGroup differencesDisorders
1994
Noradrenergic and adrenergic functioning in autism
Minderaa R, Anderson G, Volkmar F, Akkerhuis G, Cohen D. Noradrenergic and adrenergic functioning in autism. Biological Psychiatry 1994, 36: 237-241. PMID: 7986888, DOI: 10.1016/0006-3223(94)90605-x.Peer-Reviewed Original ResearchConceptsUrinary excretion rateNeurochemical assessmentVanillylmandelic acidAdrenergic functioningExcretion rateNormal control individualsUrinary excretionPlasma levelsNoradrenergic functioningMarked abnormalitiesNormal controlsGroup mean differencesControl groupControl individualsNorepinephrineMean differenceAutistic patientsEnhanced stress responsivity of tourette syndrome patients undergoing lumbar puncture
Chappell P, Riddle M, Anderson G, Scahill L, Hardin M, Walker D, Cohen D, Leckman J. Enhanced stress responsivity of tourette syndrome patients undergoing lumbar puncture. Biological Psychiatry 1994, 36: 35-43. PMID: 8080901, DOI: 10.1016/0006-3223(94)90060-4.Peer-Reviewed Original ResearchConceptsTS patientsLumbar punctureNormal controlsTourette syndromeClinician ratingsEnhanced stress responsivityLumbar puncture stressUrinary norepinephrine excretionTourette syndrome patientsPeak ACTH levelsNorepinephrine excretionACTH levelsSympathetic systemAdrenal axisMedication responsivenessMore norepinephrinePhonic ticsSyndrome patientsUrinary catecholaminesMore ACTHPatientsTic severityNeuropsychiatric disordersSymptom severityStress responsivity
1989
Neurochemical Study of Dopamine Functioning in Autistic and Normal Subjects
MINDERAA R, ANDERSON G, VOLKMAR F, AKKERHUIS G, COHEN D. Neurochemical Study of Dopamine Functioning in Autistic and Normal Subjects. Journal Of The American Academy Of Child & Adolescent Psychiatry 1989, 28: 190-194. PMID: 2925571, DOI: 10.1097/00004583-198903000-00007.Peer-Reviewed Original ResearchConceptsPlasma PRLPlasma prolactinHVA levelsUrinary HVANormal controlsNormal subjectsUrinary DA excretionUrinary HVA excretionHomovanillic acid levelsDose of neurolepticPlasma PRL valuesDopamine functioningDopamine excretionNeuroleptic doseHVA excretionNeuroleptic medicationDA excretionNeurochemical studiesPRL valuesPeripheral indicesExcretion rateAcid levelsHVAExcretionSignificant differencesWhole blood serotonin and tryptophan in autism: Temporal stability and the effects of medication
Minderaa R, Anderson G, Volkmar F, Harcherick D, Akkerhuis G, Cohen D. Whole blood serotonin and tryptophan in autism: Temporal stability and the effects of medication. Journal Of Autism And Developmental Disorders 1989, 19: 129-136. PMID: 2708296, DOI: 10.1007/bf02212724.Peer-Reviewed Original ResearchConceptsWhole blood serotoninPlatelet countMedicated groupBlood serotoninSex-matched normal controlsSignificant intraclass correlation coefficientsEffects of medicationWhole blood concentrationsAutistic groupIntraclass correlation coefficientMean percentage differenceBlood concentrationsNormal controlsNormal subjectsWhole bloodTRP valuesSerotoninTryptophan valuesYear periodGroupCountPercentage differenceMedicationsBlood
1987
Urinary 5-hydroxyindoleacetic acid and whole blood serotonin and tryptophan in autistic and normal subjects
Minderaa R, Anderson G, Volkmar F, Akkerhuis G, Cohen D. Urinary 5-hydroxyindoleacetic acid and whole blood serotonin and tryptophan in autistic and normal subjects. Biological Psychiatry 1987, 22: 933-940. PMID: 2440483, DOI: 10.1016/0006-3223(87)90002-3.Peer-Reviewed Original Research
1984
Whole blood serotonin and tryptophan levels in Tourette's disorder: Effects of acute and chronic clonidine treatment
Leckman J, Anderson G, Cohen D, Ort S, Harcherik D, Hoder E, Shaywitz B. Whole blood serotonin and tryptophan levels in Tourette's disorder: Effects of acute and chronic clonidine treatment. Life Sciences 1984, 35: 2497-2503. PMID: 6595491, DOI: 10.1016/0024-3205(84)90435-1.Peer-Reviewed Original ResearchConceptsChronic clonidine treatmentClonidine treatmentTourette's disorder patientsWhole blood serotoninDisorder patientsTourette's disorderBlood serotoninTryptophan levelsMean differenceChronic treatmentAcute doseNormal controlsMean increaseClonidinePatientsDisordersMode of actionTreatmentSignificant differencesSerotoninBaseline conditionsLevelsDifferencesDose