DCLRE1C
Protein artemis (EC 3.1.-.-) (DNA cross-link repair 1C protein) (Protein A-SCID) (SNM1 homolog C) (hSNM1C) (SNM1-like protein) [ARTEMIS] [ASCID] [SCIDA] [SNM1C]
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Evidence indicates that the age-related neuropathological mechanisms associated with DNA repair genes may contribute to cognitive aging and Alzheimer's disease. In this study, we hypothesize that single nucleotide polymorphisms (SNPs) within 155 DNA repair genes may be linked to cognitive aging independently and/or through complex interactions in an older Taiwanese population. A total of 3,730 Taiwanese subjects aged over 60 years from the Taiwan Biobank were analyzed. Mini-Mental State Examination (MMSE) was administered to all subjects, and MMSE scores were used to measure cognitive functions. Our data showed that out of 1,652 SNPs, the rs1776181 (P = 1.47 × 10 ), rs1776177 (P = 8.42 × 10 ), rs1635510 (P = 7.97 × 10 ), and rs2526698 (P = 7.06 × 10 ) SNPs in the EXO1 gene were associated with cognitive aging. The association with these SNP remained significant after performing Bonferroni correction. Additionally, we found that interactions between the EXO1 and RAD51C genes influenced cognitive aging (P = 0.002). Finally, we pinpointed the influence of interactions between EXO1 and physical activity (P < 0.001) as well as between DCLRE1C and physical activity (P < 0.001). Our study indicated that DNA repair genes may contribute to susceptibility in cognitive aging independently as well as through gene-gene and gene-physical interactions.
MeSH Terms
- Aged
- Cognitive Aging
- DNA Repair
- DNA Repair Enzymes
- Exodeoxyribonucleases
- Female
- Genotype
- Humans
- Male
- Middle Aged
- Polymorphism, Single Nucleotide
- Taiwan
Keywords
- Alzheimer’s diseases
- Cognitive aging
- Cognitive impairment
- Gene-gene interactions
- Neurodegeneration
- Single nucleotide polymorphisms