COMT Val158Met and PPARγ Pro12Ala polymorphisms and susceptibility to Alzheimer's disease: A meta-analysis

Research output: Contribution to journalReview article

13 Citations (Scopus)

Abstract

The aim of this study was to explore whether the catechol-O- methyltransferase (COMT) Val158Met or the peroxisome proliferator-activated receptor-gamma (PPARγ) Pro12Ala polymorphisms are associated with susceptibility to Alzheimer's disease (AD). We conducted a meta-analysis of the associations between the COMT Val158Met and the PPARγ Pro12Ala polymorphisms and AD in subjects. Meta-analysis showed no association between AD and the COMT G allele in any of the study subjects [odds ratio (OR) = 0.972, 95 % confidence intervals (95 % CI) = 0.893-1.059, p = 0.515]. Stratification by ethnicity indicated an association between the COMT GG+GA genotype and AD in an Asian group (OR = 0.702, 95 % CI = 0.517-0.953, p = 0.023), but not in Europeans (OR = 1.058, 95 % CI = 0.868-1.289, p = 0.579). Homozygote contrast analysis showed the same pattern for the COMT GG+GA genotype. Meta-analysis showed no association between AD and the PPARγ polymorphism (OR for the C allele = 0.963, 95 % CI = 0.818-1.134, p = 0.649). This meta-analysis identified an association between AD and the COMT Val158Met polymorphism in Asians but not in Europeans, but it revealed no association between AD and the PPARγ Pro12Ala polymorphism.

Original languageEnglish
Pages (from-to)643-651
Number of pages9
JournalNeurological Sciences
Volume35
Issue number5
DOIs
Publication statusPublished - 2014 Jan 1

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Catechol O-Methyltransferase
PPAR gamma
Meta-Analysis
Alzheimer Disease
Odds Ratio
Confidence Intervals
Alleles
Genotype
Homozygote

Keywords

  • Alzheimer's disease
  • COMT
  • Meta-analysis
  • Polymorphism
  • PPARγ

ASJC Scopus subject areas

  • Dermatology
  • Clinical Neurology
  • Psychiatry and Mental health

Cite this

COMT Val158Met and PPARγ Pro12Ala polymorphisms and susceptibility to Alzheimer's disease : A meta-analysis. / Lee, Young Ho; Song, Gwan Gyu.

In: Neurological Sciences, Vol. 35, No. 5, 01.01.2014, p. 643-651.

Research output: Contribution to journalReview article

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