Journal
NEUROSCIENCE LETTERS
Volume 369, Issue 3, Pages 219-223Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2004.07.070
Keywords
Alzheimer disease; mitochondria; TFAM
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Mitochondrial transcription factor A (TFAM) is essential for transcription and replication of mammalian mitochondrial DNA (mtDNA). Disturbance of maintenance of mtDNA integrity or mitochondrial function may underlay neurodegenerative disorders such as Alzheimer disease (AD). TFAM, the gene encoding TFAM maps to chromosome 10q21.1, a region that showed linkage to late-onset AD in several study samples. We screened TFAM for single nucleotide polymorphisms (SNPs) and genotyped the G>C SNP rs 1937, coding for S12T in mitochondrial signal sequence of TFAM, and the A>G SNP rs2306604 (IVS4+113A>G) in 372 AD patients and 295 nondemented control subjects. There was an association of genotype rs1937 G/G with AD in females and an association of a TFAM haplotype with AD both in the whole sample and in females. The findings suggest that a TFAM haplotype containing rs 1937 G (for S 12) may be a moderate risk factor for AD. (C) 2004 Published by Elsevier Ireland Ltd.
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