mt4216C variant in linkage with the mtDNA TJ cluster may confer a susceptibility to mitochondrial dysfunction resulting in an increased risk of Parkinson's disease in the Irish

Owen A. Ross, Rose McCormack, Lynn D. Maxwell, R. Alistair Duguid, Derek J. Quinn, Yvonne A. Barnett, I. Maeve Rea, Omar Ali El-Agnaf, J. Mark Gibson, Andrew Wallace, Derek Middleton, Martin D. Curran

Research output: Contribution to journalArticle

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Abstract

Polymorphism of the mtDNA genome has been implicated as playing a role in the development and pathogenesis of Parkinson's disease (PD). A PCR-RFLP methodology was employed to generate genetic haplotypes for a cohort of 90 PD sufferers. No association was observed between the various mtDNA haplotypes observed and PD in comparison to healthy aged controls. The longevity-associated European J haplogroup and T haplogroup were identified and were both found to be in tight linkage with the mt4216C polymorphism. The mt4216C variant was observed at a significantly increased frequency in the PD cases (28%) in comparison to the healthy aged controls (15%; p=0.014). However, when the frequency of the mt4216C variant was examined in a cohort of 200 young controls (18-45 years) a similar frequency to the PD cases (25%) was observed. The frequencies obtained for the two branches of the J haplogroup (J1 and J2) and the T haplogroup in the cohort of PD subjects also reflected those observed for the young controls used in the previous longevity study. These findings lead one to postulate that the mt4216C variant, in linkage with the mtDNA TJ cluster, may influence mitochondrial dysfunction, resulting in an increased risk of PD.

Original languageEnglish
Pages (from-to)397-405
Number of pages9
JournalExperimental Gerontology
Volume38
Issue number4
DOIs
Publication statusPublished - 1 Apr 2003
Externally publishedYes

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Mitochondrial DNA
Parkinson Disease
Polymorphism
Haplotypes
Restriction Fragment Length Polymorphisms
Genes
Genome
Polymerase Chain Reaction

Keywords

  • Mitochondrial DNA
  • Parkinson's disease
  • Polymorphism

ASJC Scopus subject areas

  • Ageing
  • Medicine(all)

Cite this

mt4216C variant in linkage with the mtDNA TJ cluster may confer a susceptibility to mitochondrial dysfunction resulting in an increased risk of Parkinson's disease in the Irish. / Ross, Owen A.; McCormack, Rose; Maxwell, Lynn D.; Duguid, R. Alistair; Quinn, Derek J.; Barnett, Yvonne A.; Rea, I. Maeve; Ali El-Agnaf, Omar; Gibson, J. Mark; Wallace, Andrew; Middleton, Derek; Curran, Martin D.

In: Experimental Gerontology, Vol. 38, No. 4, 01.04.2003, p. 397-405.

Research output: Contribution to journalArticle

Ross, Owen A. ; McCormack, Rose ; Maxwell, Lynn D. ; Duguid, R. Alistair ; Quinn, Derek J. ; Barnett, Yvonne A. ; Rea, I. Maeve ; Ali El-Agnaf, Omar ; Gibson, J. Mark ; Wallace, Andrew ; Middleton, Derek ; Curran, Martin D. / mt4216C variant in linkage with the mtDNA TJ cluster may confer a susceptibility to mitochondrial dysfunction resulting in an increased risk of Parkinson's disease in the Irish. In: Experimental Gerontology. 2003 ; Vol. 38, No. 4. pp. 397-405.
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