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The BDNF p.Val66Met...
The BDNF p.Val66Met polymorphism, childhood trauma, and brain volumes in adolescents with alcohol abuse
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Dalvie, Shareefa (författare)
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Stein, Dan J (författare)
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Koenen, Karestan (författare)
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Cardenas, Valerie (författare)
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Cuzen, Natalie L (författare)
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Ramesar, Raj (författare)
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Fein, George (författare)
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- Brooks, Samantha J. (författare)
- 2Department of Psychiatry and Mental Health, University of Cape Town, Observatory, Cape Town, South Africa
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(creator_code:org_t)
- 2014-12-16
- 2014
- Engelska.
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Ingår i: BMC Psychiatry. - : Springer Science and Business Media LLC. - 1471-244X. ; 14
- Relaterad länk:
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https://doi.org/10.1...
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https://bmcpsychiatr...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- BACKGROUND: Previous studies have indicated that early life adversity, genetic factors and alcohol dependence are associated with reduced brain volume in adolescents. However, data on the interactive effects of early life adversity, genetic factors (e.g. p.Met66 allele of BDNF), and alcohol dependence, on brain structure in adolescents is limited. We examined whether the BDNF p.Val66Met polymorphism interacts with childhood trauma to predict alterations in brain volume in adolescents with alcohol use disorders (AUDs).METHODS: We examined 160 participants (80 adolescents with DSM-IV AUD and 80 age- and gender-matched controls) who were assessed for trauma using the Childhood Trauma Questionnaire (CTQ). Magnetic resonance images were acquired for a subset of the cohort (58 AUD and 58 controls) and volumes of global and regional structures were estimated using voxel-based morphometry (VBM). Samples were genotyped for the p.Val66Met polymorphism using the TaqMan® Assay. Analysis of covariance (ANCOVA) and post-hoc t-tests were conducted using SPM8 VBM.RESULTS: No significant associations, corrected for multiple comparisons, were found between the BDNF p.Val66Met polymorphism, brain volumes and AUD in adolescents with childhood trauma.CONCLUSIONS: These preliminary findings suggest that the BDNF p.Met66 allele and childhood trauma may not be associated with reduced structural volumes in AUD. Other genetic contributors should be investigated in future studies.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
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