Effects of GSTM1/GSTT1 Gene Polymorphism and Fruit & Vegetable Consumption on Antioxidant Biomarkers and Cognitive Function in the Elderly: A Community Based Cross-Sectional Study

被引：9
作者：
Yuan, Linhong [1 ,2 ]
Ma, Weiwei [1 ]
Liu, Jinmeng [1 ]
Meng, Liping [3 ]
Liu, Jixia [4 ]
Li, Shuang [4 ]
Han, Jing [1 ]
Liu, Quanri [1 ]
Feng, Lingli [1 ]
Wang, Chao [1 ]
Xiao, Rong [1 ,2 ]
机构：
[1] Capital Med Univ, Sch Publ Hlth, Beijing, Peoples R China
[2] Capital Med Univ, Beijing Key Lab Environm Toxicol, Beijing, Peoples R China
[3] Chinese Ctr Dis Control & Prevent, Inst Nutr & Food Safety, Beijing, Peoples R China
[4] Nanyuan Community Hlth Serv Ctr Fengtai Dist, Beijing, Peoples R China
来源：
PLOS ONE | 2014年 / 9卷 / 11期
基金：
中国国家自然科学基金;
关键词：
GLUTATHIONE-S-TRANSFERASE; ALZHEIMERS-DISEASE; OXIDATIVE STRESS; HEALTHY-SUBJECTS; DIETARY-INTAKE; DNA-DAMAGE; ASSOCIATION; IMPAIRMENT; CANCER; M1;
D O I：
10.1371/journal.pone.0113588
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Background: It was reported that Glutathione S-transferase (GST) gene polymorphism and fruit and vegetable (FV) intake were associated with body antioxidant capacity. The oxidative/anti-oxidative imbalance played an important role in the pathogenesis of AD. However, the association of GST genotype, dietary FV consumption with body antioxidant biomarkers and cognitive function in the elderly is not clear. Objective: The aim of the present study was to determine the association of GST genotype, and dietary FV intake, with antioxidant biomarkers and cognitive function in the elderly. Methods: Food frequency questionnaire was used to collect data of dietary FV intakes in 504 community dwelling elderly aged from 55 to 75 years old. GSTM1 and GSTT1 genotypes were determined by using multiple-PCR method. Plasma and erythrocyte antioxidant biomarkers were measured. Cognitive function was measured by using Montreal Cognitive Assessment. Statistical analysis was applied for exploring the association of GST genotype and FV intake with antioxidant biomarkers level and cognitive function in the elderly. Results: Individual GSTM1 or GSTT1 gene deletion affects body antioxidant biomarkers levels, including erythrocyte GST activity, plasma total antioxidant capacity, and glutathione levels. GSTM1 and/or GSTT1 gene deletion have no effects on cognitive function in the surveyed participants. The effect of GST genotype on antioxidant biomarkers are FV intake dependent. There is interaction of FV intake and GST genotype on cognitive function in the elderly. Conclusion: GST genotype or daily FV consumption impact body antioxidant biomarkers, but not cognitive function in the elderly. There were combined effects of GST genotype and FV consumption on cognitive function in the elderly population. Large scale perspective population study is required to explore the association of GST genetic polymorphism, FV consumption and antioxidant biomarkers and cognitive function in the elderly.
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页数：18
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