作者
Konstantinos Papanikolaou, Athanasios Z Jamurtas, Athanasios Poulios, Panagiotis Tsimeas, Dimitrios Draganidis, Nikos V Margaritelis, Ioannis Baloyiannis, Constantinos Papadopoulos, Apostolos Sovatzidis, Chariklia K Deli, Anastasia Rosvoglou, Kalliopi Georgakouli, Theofanis Tzatzakis, Michalis G Nikolaidis, Ioannis G Fatouros
发表日期
2023/6
期刊
European Journal of Nutrition
卷号
62
期号
4
页码范围
1767-1782
出版商
Springer Berlin Heidelberg
简介
Purpose
To investigate the association between redox status in erythrocytes and skeletal muscle with dietary nutrient intake and markers of physical fitness and habitual physical activity (PA).
Methods
Forty-five young physically active men were assessed for body composition, dietary nutrient intake, muscle strength, cardiorespiratory capacity and habitual PA. Blood and muscle samples were collected to estimate selected redox biomarkers. Partial correlation analysis was used to evaluate the independent relationship of each factor with redox biomarkers.
Results
Dietary cysteine intake was positively correlated (p < 0.001) with both erythrocyte (r = 0.697) and muscle GSH (0.654, p < 0.001), erythrocyte reduced/oxidized glutathione ratio (GSH/GSSG) (r = 0.530, p = 0.001) and glutathione reductase (GR) activity (r = 0.352, p = 0.030) and inversely correlated with erythrocyte protein carbonyls (PC) levels (r …
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K Papanikolaou, AZ Jamurtas, A Poulios, P Tsimeas… - European Journal of Nutrition, 2023