Dement Geriatr Cogn Disord 2010;29:8287 (DOI:10.1159/000264629)
Thursday, February 4, 2010
Tuesday, February 2, 2010
Mitochondrial DNA haplogroups in early-onset Alzheimer's disease and frontotemporal lobar degeneration
Background:Mitochondrial dysfunction, oxidative damage as well as a accumulation of somatic mutations in mitochondrial DNA (mtDNA) have been compared with certain neurodegenerative disorders. Previous studies have also provided controversial formula on a organisation of mtDNA haplogroups with ionization to Alzheimer's mildew (AD), though possible relations between mtDNA as well as frontotemporal lobar lapse (FTLD) have been reduction frequently studied.Methods:We analysed a role of mtDNA as well as a upkeep enzymes in 128 early-onset AD (eoAD) as well as in 66 FTLD cases. Patients as well as 99 controls were collected from a defined segment of Finland, which of Northern Ostrobothnia, for a determination of mtDNA haplogroups as well as a analysis of two common mtDNA mutations (m.3243A>G, m.8344A>G). In addition, screening was performed for 5 common POLG1 mutations (T251I, A467T, P587L, W748S as well as Y955C) as well as all a coding exons of a PEO1 as well as ANT1 genes were screened for mutations.Results:The magnitude of haplogroup cluster IWX was 2.3 fold higher among a FTLD cases than in a controls (OR 2.69, 95% CI 1.09-6.65, p=0.028). The magnitude of mtDNA haplogroups or clusters did not talk about between a eoAD cases as well as controls. The two mtDNA mutations as well as 5 POLG1 mutations were absent in a eoAD as well as FTLD patients. No pathogenic mutations were found in a PEO1 or ANT1 genes.Conclusions:We conclude which a haplogroup cluster IWX was compared with FTLD in the cohort. Further studies in other ethnically graphic cohorts are needed to explain a grant of mtDNA haplogroups to FTLD as well as AD.
Monday, February 1, 2010
Diabetes Is Associated with Increased Rate of Cognitive Decline in Questionably Demented Elderly
Dement Geriatr Cogn Disord 2010;29:6874 (DOI:10.1159/000265552)
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