BDNF and TNF-α polymorphisms in memory

Yogeetha, B.S., Haupt, L.M., McKenzie, K., Sutherland, H.G., Okolicsanyi, R.K., Lea, R.A., Maher, B.H., Chan, R.C.K., Shum, D.H.K., & Griffiths, L.R. (2013) BDNF and TNF-α polymorphisms in memory. Molecular Biology Reports, 40(9), pp. 5483-5490.

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Here, we investigate the genetic basis of human memory in healthy individuals and the potential role of two polymorphisms, previously implicated in memory function. We have explored aspects of retrospective and prospective memory including semantic, short term, working and long-term memory in conjunction with brain derived neurotrophic factor (BDNF) and tumor necrosis factor-alpha (TNF-alpha). The memory scores for healthy individuals in the population were obtained for each memory type and the population was genotyped via restriction fragment length polymorphism for the BDNF rs6265 (Val66Met) SNP and via pyrosequencing for the TNF-alpha rs113325588 SNP. Using univariate ANOVA, a significant association of the BDNF polymorphism with visual and spatial memory retention and a significant association of the TNF-alpha polymorphism was observed with spatial memory retention. In addition, a significant interactive effect between BDNF and TNF-alpha polymorphisms was observed in spatial memory retention. In practice visual memory involves spatial information and the two memory systems work together, however our data demonstrate that individuals with the Val/Val BDNF genotype have poorer visual memory but higher spatial memory retention, indicating a level of interaction between TNF-alpha and BDNF in spatial memory retention. This is the first study to use genetic analysis to determine the interaction between BDNF and TNF-alpha in relation to memory in normal adults and provides important information regarding the effect of genetic determinants and gene interactions on human memory.

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ID Code: 69501
Item Type: Journal Article
Refereed: Yes
Additional Information: Yogeetha, B S Haupt, L M McKenzie, K Sutherland, H G Okolicsyani, R K Lea, R A Maher, B H Chan, R C K Shum, D H K Griffiths, L R eng Research Support, Non-U.S. Gov't Netherlands 2013/08/07 06:00 Mol Biol Rep. 2013 Sep;40(9):5483-90. doi: 10.1007/s11033-013-2648-6. Epub 2013 Aug 6.
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Keywords: Analysis of Variance, Base Sequence, Brain-Derived Neurotrophic Factor/*genetics/physiology, Genotype, Humans, Memory/*physiology, Molecular Sequence Data, Polymorphism, Restriction Fragment Length, Polymorphism, Single Nucleotide/*genetics, Sequence Analysis, DNA, Space Perception/*physiology, Tumor Necrosis Factor-alpha/*genetics/physiology
DOI: 10.1007/s11033-013-2648-6
ISSN: 1573-4978
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > GENETICS (060400)
Divisions: Current > Schools > School of Biomedical Sciences
Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Deposited On: 02 Apr 2014 01:58
Last Modified: 16 Oct 2014 03:34

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