Association of polymorphisms in BDNF, MTHFR, and genes involved in the dopaminergic pathway with memory in a healthy Chinese population

Ting-Kuang Yeh, Chung Yi Hu, Ting Chi Yeh, Pei Jung Lin, Chung-Hsin Wu, Po Lei Lee, Chun-Yen Chang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The contribution of genetic factors to the memory is widely acknowledged. Research suggests that these factors include genes involved in the dopaminergic pathway, as well as the genes for brain-derived neurotrophic factor (BDNF) and methylenetetrahydrofolate reductase (MTHFR). The activity of the products of these genes is affected by single nucleotide polymorphisms (SNPs) within the genes. This study investigates the association between memory and SNPs in genes involved in the dopaminergic pathway, as well as in the BDNF and MTHFR genes, in a sample of healthy individuals. The sample includes 134 Taiwanese undergraduate volunteers of similar cognitive ability. The Chinese versions of the Wechsler Memory Scale (WMS-III) and Wechsler Adult Intelligence Scale (WAIS-III) were employed. Our findings indicate that the BDNF Met66Val polymorphism and dopamine receptor D3 (DRD3) Ser9Gly polymorphism are associated significantly with long-term auditory memory. Further analysis detects no significant associations in the other polymorphisms and indices. Future replicated studies with larger sample sizes, and studies that consider different ethnic groups, are encouraged.

Original languageEnglish
Pages (from-to)282-289
Number of pages8
JournalBrain and Cognition
Volume80
Issue number2
DOIs
Publication statusPublished - 2012 Nov 1

Fingerprint

Methylenetetrahydrofolate Reductase (NADPH2)
Brain-Derived Neurotrophic Factor
Population
Genes
Single Nucleotide Polymorphism
Wechsler Scales
Aptitude
Long-Term Memory
Dopamine Receptors
Intelligence
Ethnic Groups
Sample Size
Pathway
Polymorphism
Gene
Volunteers
Research

Keywords

  • Auditory memory
  • BDNF
  • DRD3
  • Dopaminergic pathway
  • Polymorphism

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Arts and Humanities (miscellaneous)
  • Cognitive Neuroscience

Cite this

Association of polymorphisms in BDNF, MTHFR, and genes involved in the dopaminergic pathway with memory in a healthy Chinese population. / Yeh, Ting-Kuang; Hu, Chung Yi; Yeh, Ting Chi; Lin, Pei Jung; Wu, Chung-Hsin; Lee, Po Lei; Chang, Chun-Yen.

In: Brain and Cognition, Vol. 80, No. 2, 01.11.2012, p. 282-289.

Research output: Contribution to journalArticle

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