PMID- 24745471 OWN - NLM STAT- MEDLINE DCOM- 20141205 LR - 20211021 IS - 1872-7123 (Electronic) IS - 0165-1781 (Print) IS - 0165-1781 (Linking) VI - 218 IP - 1-2 DP - 2014 Aug 15 TI - The BDNF Val66Met polymorphism does not moderate the effect of self-reported physical activity on depressive symptoms in midlife. PG - 93-7 LID - S0165-1781(14)00255-8 [pii] LID - 10.1016/j.psychres.2014.03.028 [doi] AB - The brain-derived neurotrophic factor (BDNF) Val66Met single nucleotide polymorphism may be associated with clinical and subsyndromal depression, but physical activity improves mood and increases BDNF expression. The aim of the study was to examine whether the BDNF polymorphism moderates an effect of physical activity on depressive symptoms. BDNF genotype, physical activity measured by the Paffenbarger Questionnaire, and depressive symptoms using the Center for Epidemiology Depression Scale (CES-D) were collected on 1072 participants (mean age=44). Multiple linear regression was used to examine the association between BDNF genotype, physical activity, and depressive symptoms. After adjusting for family income, age, and education, depressive symptoms were higher in Met carriers compared to Val homozygotes (p=0.03), but this was only significant in men. Physical activity was associated with fewer depressive symptoms, but only in women (p=0.01). BDNF genotype did not moderate the effect of physical activity on depressive symptoms (p=0.94). In midlife, the BDNF Val66Met polymorphism neither attenuates nor magnifies the effect of physical activity on depressive symptoms. CI - Copyright (c) 2014 Elsevier Ireland Ltd. All rights reserved. FAU - Gujral, Swathi AU - Gujral S AD - Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA; Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, PA, USA. FAU - Manuck, Stephen B AU - Manuck SB AD - Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA; Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, PA, USA. FAU - Ferrell, Robert E AU - Ferrell RE AD - Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA, USA. FAU - Flory, Janine D AU - Flory JD AD - Department of Psychiatry, Mount Sinai School of Medicine, New York, NY, USA. FAU - Erickson, Kirk I AU - Erickson KI AD - Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA; Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, PA, USA. Electronic address: kiericks@pitt.edu. LA - eng GR - P01 HL040962/HL/NHLBI NIH HHS/United States GR - P01HL040962/HL/NHLBI NIH HHS/United States GR - R01HL065137/HL/NHLBI NIH HHS/United States GR - R01 DK095172/DK/NIDDK NIH HHS/United States GR - R01 HL065137/HL/NHLBI NIH HHS/United States GR - R01DK095172/DK/NIDDK NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural DEP - 20140408 PL - Ireland TA - Psychiatry Res JT - Psychiatry research JID - 7911385 RN - 0 (Brain-Derived Neurotrophic Factor) SB - IM MH - Adult MH - *Affect MH - Brain-Derived Neurotrophic Factor/*genetics MH - Depression/*genetics/psychology MH - Exercise/physiology/*psychology MH - Female MH - Genotype MH - Humans MH - Male MH - Middle Aged MH - Motor Activity/physiology MH - *Polymorphism, Single Nucleotide MH - Psychiatric Status Rating Scales MH - Self Report MH - Surveys and Questionnaires PMC - PMC4059542 MID - NIHMS584443 OTO - NOTNLM OT - BDNF polymorphism OT - Depression OT - Exercise COIS- Disclosures and Declarations All authors declare no conflicts of interest. EDAT- 2014/04/22 06:00 MHDA- 2014/12/15 06:00 PMCR- 2015/08/15 CRDT- 2014/04/22 06:00 PHST- 2013/12/05 00:00 [received] PHST- 2014/03/05 00:00 [revised] PHST- 2014/03/24 00:00 [accepted] PHST- 2014/04/22 06:00 [entrez] PHST- 2014/04/22 06:00 [pubmed] PHST- 2014/12/15 06:00 [medline] PHST- 2015/08/15 00:00 [pmc-release] AID - S0165-1781(14)00255-8 [pii] AID - 10.1016/j.psychres.2014.03.028 [doi] PST - ppublish SO - Psychiatry Res. 2014 Aug 15;218(1-2):93-7. doi: 10.1016/j.psychres.2014.03.028. Epub 2014 Apr 8.