Search results for "1005"

showing 10 items of 101 documents

Insights into the catalytic mechanism of human sEH phosphatase by site-directed mutagenesis and LC-MS/MS analysis

2008

We have recently reported that human soluble epoxide hydrolase (sEH) is a bifunctional enzyme with a novel phosphatase enzymatic activity. Based on a structural relationship with other members of the haloacid dehalogenase superfamily, the sEH N-terminal phosphatase domain revealed four conserved sequence motifs, including the proposed catalytic nucleophile D9, and several other residues potentially implicated in substrate turnover and/or Mg(2+) binding. To enlighten the catalytic mechanism of dephosphorylation, we constructed sEH phosphatase active-site mutants by site-directed mutagenesis. A total of 18 mutants were constructed and recombinantly expressed in Escherichia coli as soluble pro…

Models MolecularEpoxide hydrolase 2Molecular Sequence DataPhosphatase10050 Institute of Pharmacology and Toxicology610 Medicine & healthMass SpectrometryPhosphatesDephosphorylation1315 Structural BiologyProtein structureStructural Biology1312 Molecular BiologyHumansPhosphofructokinase 2Amino Acid SequenceBinding siteProtein Structure QuaternarySite-directed mutagenesisMolecular BiologyEpoxide HydrolasesBinding SitesChemistrySubstrate (chemistry)Phosphoric Monoester HydrolasesRecombinant ProteinsProtein Structure TertiaryProtein SubunitsBiochemistryMutagenesis Site-Directed570 Life sciences; biologyDimerizationSequence AlignmentChromatography Liquid
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Structure of Aspergillus niger epoxide hydrolase at 1.8 A resolution: implications for the structure and function of the mammalian microsomal class o…

2000

AbstractBackground: Epoxide hydrolases have important roles in the defense of cells against potentially harmful epoxides. Conversion of epoxides into less toxic and more easily excreted diols is a universally successful strategy. A number of microorganisms employ the same chemistry to process epoxides for use as carbon sources.Results: The X-ray structure of the epoxide hydrolase from Aspergillus niger was determined at 3.5 Å resolution using the multiwavelength anomalous dispersion (MAD) method, and then refined at 1.8 Å resolution. There is a dimer consisting of two 44 kDa subunits in the asymmetric unit. Each subunit consists of an α/β hydrolase fold, and a primarily helical lid over the…

Models MolecularProtein ConformationStereochemistryEpoxide10050 Institute of Pharmacology and Toxicology610 Medicine & healthEpoxide hydrolasechemistry.chemical_compoundProtein structure1315 Structural BiologyStructural BiologyMicrosomesHydrolase1312 Molecular BiologyAnimalsHumansBinding siteEpoxide hydrolaseMolecular BiologyX-ray crystallographyEpoxide HydrolasesMicrosomal epoxide hydrolasesDrug metabolismBinding SitesbiologyMADChemistryAspergillus nigerbiology.organism_classificationBiochemistryEpoxide HydrolasesMicrosome570 Life sciences; biologyAspergillus nigerDimerization
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Association analysis between variants of the interleukin-1beta and the interleukin-1 receptor antagonist gene and antidepressant treatment response i…

2008

André Tadic1, Dan Rujescu2, Matthias J Müller3, Ralf Kohnen4, Hans H. Stassen5, Armin Szegedi6, Norbert Dahmen11Department of Psychiatry, University of Mainz, Germany; 2Department of Psychiatry, University of Munich, Germany; 3Clinic for Psychiatry and Psychotherapy, Marburg-Sued, Germany, and Clinic for Psychiatry and Psychotherapy, Giessen, Germany; 4IMEREM, Nuernberg, Germany; 5Department of Psychiatry, University of Zurich, Switzerland; 6Organon, Roseland, NJ, USAAbstract: This study investigated the possible association of the interleukin-1 beta (IL-1β) C-511T promoter polymorphism and the interleukin-1 receptor antagonist (IL-1Ra) (86bp)n variable number o…

Neuropsychiatric Disease and Treatmentbusiness.industryMirtazapine610 Medicine & healthPharmacologyinterleukin-1 betaParoxetineantidepressive agentsPsychiatry and Mental healthVariable number tandem repeatInterleukin 1 receptor antagonistgenetic polymorphismsPolymorphism (computer science)10054 Clinic for Psychiatry Psychotherapy and Psychosomaticstreatment outcomeMedicineAntidepressantinterleukin-1 receptor antagonistmajor depressionbusinessBiological PsychiatryPharmacogeneticsOriginal ResearchGenetic associationmedicine.drug
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Parent of origin effects in attention/deficit hyperactivity disorder (ADHD): analysis of data from the international multicenter ADHD genetics (IMAGE…

2008

Contains fulltext : 71540.pdf (Publisher’s version ) (Closed access) There are conflicting reports suggesting that the parental origin of transmitted risk alleles may play a role in the etiology of attention deficit/hyperactivity disorder (ADHD). A recent report by Hawi and colleagues observed a generalized paternal over-transmission of alleles associated with ADHD. This was not replicated in more recent studies. Using data from a large multicenter study we examined the overall and gene-specific parent of origin effect in 554 independent SNPs across 47 genes. Transmission disequilibrium and explicit parent of origin test were performed using PLINK. Overall parent of origin effect was tested…

ParentsCandidate geneGenetics and epigenetic pathways of disease [NCMLS 6]2804 Cellular and Molecular NeuroscienceMedizinNeuroinformatics [DCN 3]Linkage Disequilibrium2738 Psychiatry and Mental Health0302 clinical medicineRisk FactorsPerception and Action [DCN 1]Genetics(clinical)Genetics (clinical)0303 health sciencesTPH210058 Department of Child and Adolescent PsychiatryPsychiatry and Mental healthData Interpretation StatisticalFunctional Neurogenomics [DCN 2]Clinical psychologyGenetic Markers2716 Genetics (clinical)Single-nucleotide polymorphism610 Medicine & healthMental health [NCEBP 9]Polymorphism Single NucleotideGenetic determinismGenomic disorders and inherited multi-system disorders [IGMD 3]Molecular epidemiology [NCEBP 1]03 medical and health sciencesCellular and Molecular NeuroscienceCognitive neurosciences [UMCN 3.2]Translational research [ONCOL 3]medicineAttention deficit hyperactivity disorderHumansFamilyGenetic Predisposition to Diseaseddc:610Medizinische Fakultät » Universitätsklinikum Essen » LVR-Klinikum Essen » Klinik für Psychiatrie Psychosomatik und Psychotherapie des Kindes- und JugendaltersAlleleAlleles030304 developmental biologyChi-Square DistributionEndocrinology and reproduction [UMCN 5.2]business.industrymedicine.diseaseGenetic defects of metabolism [UMCN 5.1]Multicenter studyAttention Deficit Disorder with HyperactivityEtiologybusiness030217 neurology & neurosurgeryAmerican journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics
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C-myc mRNA Expression in Epithelial Ovarian Carcinomas in Relation to Estrogen Receptor Status, Metastatic Spread, Survival Time, FIGO Stage, and His…

1998

Recently, it has been suggested that c-myc expression might correlate with estrogen receptor (ER) status and metastatic spread in ovarian cancer. In this study, expression of c-myc mRNA in 90 epithelial ovarian carcinomas was determined using the S1 nuclease protection assay. Expression of c-myc mRNA was detectable in 27 of 90 tumors. There was no significant association between c-myc mRNA expression and metastatic spread, survival time, FIGO stage, or histologic grade and type. C-myc mRNA was expressed in 45% of ER-positive tumors but only 24% of ER-negative tumors (p = 0.094; Fisher's exact test). Similarly, 44% of progesterone receptor (PR)-positive and 23% of PR-negative tumors expresse…

Pathologymedicine.medical_specialtymedicine.drug_class10050 Institute of Pharmacology and ToxicologyEstrogen receptor610 Medicine & healthOvaryBiologyPathology and Forensic MedicineMetastasisProto-Oncogene Proteins c-mycProgesterone receptormedicineHumansRNA MessengerRNA NeoplasmSurvival rateEstrogen Receptor StatusOvarian NeoplasmsCarcinomaObstetrics and Gynecology2729 Obstetrics and Gynecologymedicine.diseaseSurvival Rate2734 Pathology and Forensic Medicinemedicine.anatomical_structureReceptors EstrogenEstrogen570 Life sciences; biologyFemaleReceptors ProgesteroneOvarian cancerInternational Journal of Gynecological Pathology
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Intelligence in DSM-IV combined type attention-deficit/hyperactivity disorder is not predicted by either dopamine receptor/transporter genes or other…

2008

Contains fulltext : 69677.pdf (Publisher’s version ) (Closed access) A major goal of genetic studies of attention deficit hyperactivity disorder (ADHD) is to identify individual characteristics that might help segregate the disorder's inherent heterogeneity. [Mill et al. (2006); Arch Ger Psychiatry 63:462-469] recently reported a potentially important association between two dopamine-related risk polymorphisms (DRD4 variable number tandem repeat (VNTR) in exon 3 and DAT1 VNTR in the 3' UTR) and lowered IQ in ADHD. The objective of the current study was to replicate the [Mill et al. (2006); Arch Ger Psychiatry 63:462-469] findings in a clinical sample and to extend the analysis to a large ra…

ProbandMaleGenetics and epigenetic pathways of disease [NCMLS 6]Intelligence2804 Cellular and Molecular NeuroscienceMedizinNeuroinformatics [DCN 3]Receptors DopamineCohort Studies2738 Psychiatry and Mental Health0302 clinical medicineRisk FactorsPerception and Action [DCN 1]MedicineGenetics(clinical)ChildGenetics (clinical)10058 Department of Child and Adolescent Psychiatry3. Good healthVariable number tandem repeatPsychiatry and Mental healthChild PreschoolFemaleFunctional Neurogenomics [DCN 2]Clinical psychology2716 Genetics (clinical)AdolescentGenotypeSingle-nucleotide polymorphism610 Medicine & healthMental health [NCEBP 9]Genomic disorders and inherited multi-system disorders [IGMD 3]03 medical and health sciencesCellular and Molecular NeuroscienceCognitive neurosciences [UMCN 3.2]mental disordersAttention deficit hyperactivity disorderHumansGenetic Predisposition to Diseaseddc:610Medizinische Fakultät » Universitätsklinikum Essen » LVR-Klinikum Essen » Klinik für Psychiatrie Psychosomatik und Psychotherapie des Kindes- und JugendaltersAlleleRisk factorAssociation (psychology)AllelesDopamine Plasma Membrane Transport Proteinsbusiness.industrymedicine.disease030227 psychiatryGenetic defects of metabolism [UMCN 5.1]Genetic markerAttention Deficit Disorder with Hyperactivitybusiness030217 neurology & neurosurgery
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Genetic heterogeneity in ADHD: DAT1 gene only affects probands without CD

2008

Contains fulltext : 70183.pdf (Publisher’s version ) (Closed access) Previous studies have found heterogeneous association between DAT1-3'-UTR-VNTR and attention deficit hyperactivity disorder (ADHD). Various proportions of conduct disorder (CD) comorbidity in their ADHD samples may partially explain the observational discrepancies. Evidence for this comes from family and twin studies which found ADHD probands with CD (ADHD + CD) are genetically different from those without CD (ADHD - CD). Genotypes of 20 DAT1 markers were analyzed in 576 trios, consisting of 141 ADHD + CD and 435 ADHD - CD. In addition to the classical TDT test, a specific genetic heterogeneity test was performed to identi…

ProbandMaleLinkage disequilibriumGenetics and epigenetic pathways of disease [NCMLS 6]2804 Cellular and Molecular NeuroscienceMedizinComorbidityNeuroinformatics [DCN 3]Linkage Disequilibrium2738 Psychiatry and Mental Health0302 clinical medicineGene FrequencyPerception and Action [DCN 1]Genetics(clinical)ChildGenetics (clinical)GeneticsIncidence10058 Department of Child and Adolescent PsychiatryEuropePsychiatry and Mental healthConduct disorder/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_beingFemaleFunctional Neurogenomics [DCN 2]Conduct DisorderGenetic Markers2716 Genetics (clinical)GenotypeSingle-nucleotide polymorphism610 Medicine & healthBiologyMental health [NCEBP 9]Polymorphism Single Nucleotidebehavioral disciplines and activitiesGenomic disorders and inherited multi-system disorders [IGMD 3]03 medical and health sciencesGenetic HeterogeneityCellular and Molecular NeuroscienceCognitive neurosciences [UMCN 3.2]SDG 3 - Good Health and Well-beingmental disordersmedicineAttention deficit hyperactivity disorderHumansddc:610Medizinische Fakultät » Universitätsklinikum Essen » LVR-Klinikum Essen » Klinik für Psychiatrie Psychosomatik und Psychotherapie des Kindes- und JugendaltersAlleleAllelesDopamine Plasma Membrane Transport ProteinsChi-Square DistributionGenetic heterogeneitymedicine.diseaseTwin study030227 psychiatryGenetic defects of metabolism [UMCN 5.1]HaplotypesAttention Deficit Disorder with Hyperactivity030217 neurology & neurosurgery
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Separation of Cognitive Impairments in Attention-Deficit/Hyperactivity Disorder Into 2 Familial Factors

2010

Contains fulltext : 89304.pdf (Publisher’s version ) (Open Access) CONTEXT: Attention-deficit/hyperactivity disorder (ADHD) is associated with widespread cognitive impairments, but it is not known whether the apparent multiple impairments share etiological roots or separate etiological pathways exist. A better understanding of the etiological pathways is important for the development of targeted interventions and for identification of suitable intermediate phenotypes for molecular genetic investigations. OBJECTIVES: To determine, by using a multivariate familial factor analysis approach, whether 1 or more familial factors underlie the slow and variable reaction times, impaired response inhi…

ProbandMaleMedizinComorbidityNeuropsychological TestsChoice BehaviorDevelopmental psychology2738 Psychiatry and Mental HealthMOLECULAR-GENETICS0302 clinical medicinePerception and Action [DCN 1]GENETIC INFLUENCES10. No inequalityChildMental Health [NCEBP 9]Cognitive disorderCognition10058 Department of Child and Adolescent PsychiatryPedigreePsychiatry and Mental healthPhenotype1201 Arts and Humanities (miscellaneous)Femalemedicine.symptomPsychologyFunctional Neurogenomics [DCN 2]AdolescentDEFICIT HYPERACTIVITY DISORDERContext (language use)610 Medicine & healthImpulsivityArticleREACTION-TIME PERFORMANCE03 medical and health sciencesArts and Humanities (miscellaneous)medicineReaction TimeAttention deficit hyperactivity disorderHumansINTRA-SUBJECT VARIABILITYFamilyINHIBITORY CONTROLGENOME-WIDE ASSOCIATIONDELAY AVERSIONSiblingsSocial environmentmedicine.diseaseComorbidity030227 psychiatryAttention Deficit Disorder with HyperactivityImpulsive BehaviorRESPONSE VARIABILITYSUSTAINED ATTENTIONCognition DisordersFactor Analysis Statistical030217 neurology & neurosurgery
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The impact of study design and diagnostic approach in a large multi-centre ADHD study: Part 2: Dimensional measures of psychopathology and intelligen…

2011

Contains fulltext : 97437.pdf (Publisher’s version ) (Open Access) BACKGROUND: The International Multi-centre ADHD Genetics (IMAGE) project with 11 participating centres from 7 European countries and Israel has collected a large behavioural and genetic database for present and future research. Behavioural data were collected from 1068 probands with ADHD and 1446 unselected siblings. The aim was to describe and analyse questionnaire data and IQ measures from all probands and siblings. In particular, to investigate the influence of age, gender, family status (proband vs. sibling), informant, and centres on sample homogeneity in psychopathological measures. METHODS: Conners' Questionnaires, St…

ProbandResearch designMale110 012 Social cognition of verbal communicationIntelligencePerception and Actions Mental Health [DCN 1]MedizinSocial Sciencescentre effectsDevelopmental psychology2738 Psychiatry and Mental Health0302 clinical medicinelcsh:PsychiatryMulticenter Studies as Topicsibling designChildATTENTION-DEFICIT/HYPERACTIVITY DISORDERMental DisordersWechsler ScalesWechsler Adult Intelligence Scale10058 Department of Child and Adolescent PsychiatryDiagnostic and Statistical Manual of Mental DisordersPsychiatry and Mental healthPhenotypeConduct disorderResearch DesignRELIABILITYFemaleFamily RelationsPsychologyClinical psychologyPsychopathologyResearch ArticleAdultlcsh:RC435-571DEFICIT HYPERACTIVITY DISORDERTWIN610610 Medicine & health150 000 MR Techniques in Brain Function03 medical and health sciencesmulti-centre studyADHD multi-centre studymedicineCriterion validityAttention deficit hyperactivity disorderHumansADHDGenetic Predisposition to Diseaseddc:610Medizinische Fakultät » Universitätsklinikum Essen » LVR-Klinikum Essen » Klinik für Psychiatrie Psychosomatik und Psychotherapie des Kindes- und JugendaltersSiblingMETAANALYSISFamily HealthPsychiatric Status Rating ScalesCHILD PSYCHIATRIC-PATIENTSSiblingsPARENTmedicine.disease030227 psychiatryAttention Deficit Disorder with HyperactivityCONDUCT DISORDERCRITERION VALIDITY030217 neurology & neurosurgery
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Neuroimaging correlates of insight in non-affective psychosis: A systematic review and meta-analysis.

2022

Abstract Objective Neurological correlates of impaired insight in non-affective psychosis remain unclear. This study aimed to review and meta-analyze the studies assessing the grey matter volumetric correlates of impaired insight in non-affective psychosis. Methods This study consisted of a systematic review of 23 studies, and a meta-analysis with SDM-PSI of the 11 studies that were whole-brain and reported maps or peaks of correlation of studies investigating the grey matter volumetric correlates of insight assessments of non-affective psychosis, PubMed and OVID datasets were independently reviewed for articles reporting neuroimaging correlates of insight in non-affective psychosis. Qualit…

PsychosisPrecuneusBrainNeuroimaging610 Medicine & healthGeneral MedicineGrey mattermedicine.diseaseMagnetic Resonance ImagingCorrelationPsychiatry and Mental healthSuperior temporal gyrusmedicine.anatomical_structurePsychotic DisordersNeuroimaging10054 Clinic for Psychiatry Psychotherapy and PsychosomaticsMeta-analysismedicineHumansGeneral Earth and Planetary SciencesGray MatterPsychologyInsulaGeneral Environmental ScienceClinical psychologyRevista de psiquiatria y salud mental
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