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- Title
Association between Nerve Growth Factor Gene Polymorphism and Executive Dysfunction in Japanese Patients with Early-Stage Alzheimer's Disease and Amnestic Mild Cognitive Impairment.
- Authors
Nagata, Tomoyuki; Shinagawa, Shunichiro; Nukariya, Kazutaka; Nakayama, Ritsuko; Nakayama, Kazuhiko; Yamada, Hisashi
- Abstract
Background/Aims: To address the clinical neurocognitive roles of nerve growth factor (NGF) genetic polymorphism in early-stage Alzheimer's disease (AD) and amnestic mild cognitive impairment (A-MCI), we investigated the association between this single-nucleotide polymorphism (SNP) and executive dysfunction as a nonmemory cognitive impairment. Methods: Among 200 outpatients with dementia and MCI whose NGF SNP rs6330 genotype was identified, those with A-MCI (n = 35) and early-stage AD (n = 67) were recruited and divided into three groups according to genotype (C/C: n = 58, C/T: n = 39, T/T: n = 5). Then, the Frontal Assessment Battery (FAB) scores were compared among the three (C/C, C/T, T/T) or two (C/C, T carrier) genotype groups. Results: Among the subtests, a significant difference was only noted for the go/no-go scores (p < 0.01) between C/C and T carriers. However, no significant differences in the demographic variables and other neuropsychological subtest scores reflecting attentional and memory function were observed among the genotypes. Conclusion: Regarding the functional roles of neurotrophin polymorphisms as they relate to executive dysfunction, the NGF gene rs6330 might influence the inhibition task in Japanese patients with early-stage AD or A-MCI. Copyright © 2012 S. Karger AG, Basel
- Publication
Dementia & Geriatric Cognitive Disorders, 2012, Vol 32, Issue 6, p379
- ISSN
1420-8008
- Publication type
Journal Article
- DOI
10.1159/000335355