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  1. No Access

    Article

    No association of the −521 C/T polymorphism in the promoter of DRD4 with novelty seeking

    J Ekelund, J Suhonen, M-R Järvelin, L Peltonen, D Lichtermann in Molecular Psychiatry (2001)

  2. No Access

    Article

    A possible susceptibility locus for bipolar affective disorder in chromosomal region 10q25–q26

    In an attempt to identify susceptibility loci for bipolar affective disorder, we are currently conducting a systematic genome screen with highly polymorphic microsatellite markers at an average marker spacing ...

    S Cichon, G Schmidt-Wolf, J Schumacher, D J Müller, M Hürter in Molecular Psychiatry (2001)

  3. No Access

    Article

    Association study of the low-activity allele of catechol-O-methyltransferase and alcoholism using a family-based approach

    Catechol-O-methyltransferase (COMT) is a major component of the metabolic pathways of neurotransmitters such as dopamine, adrenaline, and noradrenaline. The activity of COMT is known to vary within the populat...

    T Wang, P Franke, H Neidt, S Cichon, M Knapp, D Lichtermann in Molecular Psychiatry (2001)

  4. No Access

    Article

    Serotonin transporter gene and schizophrenia: evidence for association/linkage disequilibrium in families with affected siblings

    The serotonergic (5-HT) system has been implicated in the etiopathogenesis of psychoses. Since the 5-HT transporter plays an important role in regulation of 5-HT transmission, its gene can be considered as a c...

    D Hranilovic, S G Schwab, B Jernej, M Knapp, B Lerer, M Albus in Molecular Psychiatry (2000)

  5. No Access

    Article

    DRD4 exon III VNTR polymorphism—susceptibility factor for heroin dependence? Results of a case-control and a family-based association approach

    Dopaminergic abnormalities are implicated in the pathogenesis of substance abuse.1 Recently, two reports have been published suggesting an association between opioid dependence and presence of long alleles of the...

    P Franke, M M Nöthen, T Wang, M Knapp, D Lichtermann, H Neidt in Molecular Psychiatry (2000)

  6. No Access

    Article

    Genetik schizophrener Störungen Neuere Konzepte und Befunde

    W. Maier, D. Lichtermann, M. Rietschel, T. Held, P. Falkai, M. Wagner in Der Nervenarzt (1999)

  7. No Access

    Article

    Association between hSKCa3 and schizophrenia not confirmed by transmission disequilibrium test in 193 offspring/parents trios

    A possible association between the small conductance calcium-regulated potassium channel gene, hSKCa3, and schizophrenia has recently been described by Chandy et al1 using a case-control design with patients with...

    O Wittekindt, S G Schwab, E Burgert, M Knapp, M Albus, B Lerer in Molecular Psychiatry (1999)

  8. No Access

    Article

    Evaluation of linkage of bipolar affective disorder to chromosome 18 in a sample of 57 German families

    Previously reported linkage of bipolar affective disorder to DNA markers on chromosome 18 was reexamined in a large sample of German bipolar families. Twenty-three short tandem repeat markers were investigated...

    M M Nöthen, S Cichon, H Rohleder, S Hemmer, E Franzek, J Fritze in Molecular Psychiatry (1999)

  9. No Access

    Article

    Linkage analysis of putative schizophrenia gene candidate regions on chromosomes 3p, 5q, 6p, 8p, 20p and 22q in a population-based sampled Finnish family set

    During the past decade numerous studies have been published describing chromosomal regions potentially linked with schizophrenia. Unfortunately, none of these studies has been able to conclusively identify any...

    I Hovatta, D Lichtermann, H Juvonen, J Suvisaari, J D Terwilliger in Molecular Psychiatry (1998)

  10. No Access

    Chapter and Conference Paper

    Familienangehörige Schizophrener als Risikopersonen: Familiengenetik und neuere molekulargenetische Ansätze

    Als Risikofaktoren für eine schizophrene Erkrankung gelten seit langem die familiäre Häufung und die teilweise genetische Determination, der jedoch kein bekannter monogener Erbgang zugrunde liegt. Statt dessen...

    W. Maier, M. Rietschel, D. Lichtermann in Frühdiagnostik und Frühbehandlung psychisc… (1998)

  11. No Access

    Article

    Evidence suggestive of a locus on chromosome 5q31 contributing to susceptibility for schizophrenia in German and Israeli families by multipoint affected sib-pair linkage analysis

    Suggestive evidence for a potential susceptibility locus for schizophrenia at 5q31 was obtained in two family samples. Sample I consisted of 14 families with schizophrenia and revealed for the marker IL9 a lod...

    S G Schwab, G N Eckstein, J Hallmayer, B Lerer, M Albus, M Borrmann in Molecular Psychiatry (1997)

  12. No Access

    Chapter and Conference Paper

    Vulnerabilität für Schizophrenie: Entwicklung einer Modellvorstellung anhand von Familienstudien

    Vulnerabilitätsmodelle für schizophrene und affektive Störungen gehen davon aus, daß sowohl klinische Störungen als auch subklinische Varianten und Normabweichungen durch dieselben disponierenden Faktoren evoz...

    Priv.-Doz. Dr. W. Maier, P. Franke in Vulnerabilität für affektive und schizophr… (1996)

  13. No Access

    Chapter and Conference Paper

    Gegenwärtiger Stand der Kopplungsuntersuchungen bei Schizophrenie

    Für schizophrene Erkrankungen besteht ein deutlich erhöhtes genetisches Risiko, belegt durch Familien-, Zwillings- und Adoptionsstudien [1]. Die Konkordanzrate bei eineiigen Zwillingen beträgt etwa 50%, ein im...

    Dr. D. B. Wildenauer, S. G. Schwab in Aktuelle Perspektiven der Biologischen Psy… (1996)

  14. No Access

    Chapter and Conference Paper

    Mutationsanalyse des 5-HT1A-Rezeptor-Gens bei schizophrenen und affektiven Psychosen

    Störungen im Serotoninstoffwechsel werden bei einer Vielzahl neuropsychiatrischer Erkrankungen (z. B. Angststörung, Depression, Schizophrenie, Alkoholismus, Migräne, Aggressives Verhalten, Suizidalität, Touret...

    Dr. M. Rietschel, J. Erdmann in Aktuelle Perspektiven der Biologischen Psy… (1996)

  15. No Access

    Article

    Brief depression among patients in general practice

    Depression with substantial psychosocial impairment, but not qualifying as depressive disorder according to the standard diagnostic manuals, is frequent among primary care patients. Recurrent brief depression ...

    W. Maier, R. Herr, D. Lichtermann in European Archives of Psychiatry and Clinic… (1994)

  16. No Access

    Article

    Recurrent brief depression in general practice

    This study tested the clinical validity of the new diagnostic entity “recurrent brief depression” (RBD) in 300 general practice patients who participated in the WHO study on “Psychological Problems in Primary ...

    W. Maier, R. Herr, M. Gänsicke in European Archives of Psychiatry and Clinic… (1994)

  17. No Access

    Chapter

    Schizophrene Minussymptomatik: Ein Indikator für die familiär vermittelte Vulnerabilität zur Schizophrenie?

    Negativsymptome der Schizophrenie stellen nicht nur eine Begleitsymptomatik der Positivsymptomatik oder eine Residualsymptomatik nach abgelaufener Positivsymptomatik dar. Verschiedene Varianten von Negativsymp...

    Priv.-Doz. Dr. W. Maier, D. Lichtermann in Fortschritte in der Diagnostik und Therapi… (1994)

  18. No Access

    Article

    The impact of gender and age at onset on the familial aggregation of schizophrenia

    Some recent family studies have shown that the familial risk for schizophrenia is higher in female than in male schizophrenics. It is debated whether the risks for the other disorders, such as schizotypal pers...

    W. Maier, D. Lichtermann, J. Minges, R. Heun in European Archives of Psychiatry and Clinic… (1993)

  19. No Access

    Chapter and Conference Paper

    Depressionen im Alter: Der Einfluß des Erstmanifestationsalters auf Verlauf und familiäre Belastung

    In den vergangenen Jahrzehnten wurde mehrmals kontrovers diskutiert, ob Involutionsdepressionen (Altersdepressionen) einen gesonderten nosologischen Status innerhalb der Gesamtgruppe affektiver Störungen einne...

    W. Maier, B. Schneider, J. Sandmann, D. Lichtermann in Psychische Krankheit im Alter (1993)

  20. No Access

    Chapter and Conference Paper

    Untersuchungen zur Kopplung zwischen Schizophrenie und der pseudoautosomalen Region

    Für die Suche nach Genorten für genetisch determinierte Erkrankungen mit Hilfe von Kopplungsanalysen werden zwei Strategien angewandt:

    1. ...

    Dr. D. B. Wildenauer, F. Schmidt, S. Schwab in Biologische Psychiatrie der Gegenwart (1993)

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