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Serotonin transport...
Serotonin transporter genotype is associated with cognitive performance but not regional 5-HT1A receptor binding in humans.
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- Borg, (author)
- Karolinska Institutet
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- Henningsson, Susanne, 1977 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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Saijo, (author)
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Inoue, (author)
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- Bah Rösman, Jessica, 1975 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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- Westberg, Lars, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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- Lundberg, (author)
- Karolinska Institutet
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- Jovanovic, (author)
- Karolinska Institutet
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Andr?e, (author)
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Nordstrom, (author)
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- Halldin, (author)
- Karolinska Institutet
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- Eriksson, Elias, 1956 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
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Farde, (author)
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(creator_code:org_t)
- 2009
- 2009
- English.
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In: The international journal of neuropsychopharmacology / official scientific journal of the Collegium Internationale Neuropsychopharmacologicum (CINP). - 1461-1457. ; 12:6, s. 783-792
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Abstract
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- The human serotonin transporter (5-HTT) gene is one of the most extensively studied in psychiatry. A functional polymorphism in the promoter region of the 5-HTT gene (5-HTTLPR) has been associated with several psychiatric disorders as well as anxiety-related personality traits. In search of a mechanistic understanding of the functional implications of 5-HTTLPR, the influence of this polymorphism on regional 5-HT1A receptor density has previously been examined in two positron emission tomography (PET) studies in humans, yielding, however, contradictory results. In the present study, 54 control subjects were examined with [11C]WAY 100635 PET and a battery of cognitive tests. Regional binding potential (BP) of [11C]WAY 100635 to 5-HT1A receptor was calculated for the dorsal raphe nuclei, the hippocampus, the anterior cingulate, the insula, the temporal cortex and the frontal cortex. The influence of 5-HTTLPR genotype on regional 5-HT1A BP and cognitive performance was investigated. No differences in 5-HT1A receptor density between carriers and non-carriers of the S allele were found. Thus, we could not replicate any of the previously reported associations between 5-HTTLPR and 5-HT1A density. There was, however, a highly significant association between 5-HTTLPR genotype and performance in Wisconsin Card Sorting Test; carriers of the S allele had a superior performance compared to the LL carriers. These observations suggest that functional implications of the 5-HTTLPR polymorphism are not likely to be mediated by differences in 5-HT1A expression levels and that other biomarkers must be considered for future investigations at phenotype level.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)
Keyword
- Cognition
- PET
- serotonin
- 5-HT1A
- 5-HTTLPR
- WCST
Publication and Content Type
- ref (subject category)
- art (subject category)
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Borg,
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Henningsson, Sus ...
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Saijo,
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Inoue,
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Bah Rösman, Jess ...
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Westberg, Lars, ...
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show more...
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Lundberg,
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Jovanovic,
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Andr?e,
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Nordstrom,
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Halldin,
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Eriksson, Elias, ...
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Farde,
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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The internationa ...
- By the university
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University of Gothenburg
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Karolinska Institutet