SELENIUM STATUS, FATTY-ACIDS, VITAMIN-A AND VITAMIN-E, AND AGING - THE NOVE STUDY

被引:90
作者
OLIVIERI, O
STANZIAL, AM
GIRELLI, D
TREVISAN, MT
GUARINI, P
TERZI, M
CAFFI, S
FONTANA, F
CASARIL, M
FERRARI, S
CORROCHER, R
机构
[1] UNIV VERONA,POLICLIN B,CATTEDRA MED INTERNA,IST PATOL MED,I-37134 VERONA,ITALY
[2] UNIV VERONA,INST CLIN CHEM,I-37100 VERONA,ITALY
[3] PUBL HLTH DEPT,VICENZA,ITALY
关键词
AGING; SELENIUM; GLUTATHIONE PEROXIDASE; FATTY ACIDS; VITAMINS; ANTIOXIDANTS; MALONDIALDEHYDE; SUPEROXIDE DISMUTASE;
D O I
10.1093/ajcn/60.4.510
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
To investigate the relationships between aging and selenium status, vitamins A and E, and plasma and erythrocyte fatty acids, we studied 105 healthy subjects (53 women, 52 men) living in Nove, a village near Vicenza (Veneto Region, northern Italy). The subjects were distributed equally for age and sex into four groups: group 1, 20-39 y; group 2, 40-59 y; group 3, 60-75 y; and group 4, > 75 y. A careful selection of subjects to exclude those with chronic or acute diseases was obtained with the collaboration of the three general practitioners operating in Nove. Aging was associated with a progressive decrease in selenium status and in the ratio of plasma and erythrocyte polyunsaturated to saturated fatty acids (P:S). Stepwise multiple linear analysis revealed age, vitamin A, and n-6 polyunsaturated fatty acids (PUFAs) as useful predictors of a substantial proportion of the selenium variability (R = 0.618, R(2) = 0.382; P < 0.001) and age and erythrocyte oleic acid as predictors of erythrocyte glutathione peroxidase variability (R = 0.413, R(2) = 0.17; P < 0.001).
引用
收藏
页码:510 / 517
页数:8
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