Influence of physical training on intracellular and extracellular zinc concentrations

IF 4.5 2区医学 Q1 NUTRITION & DIETETICS

Journal of the International Society of Sports Nutrition Pub Date : 2022-04-03 DOI:10.1080/15502783.2022.2054665

Víctor Toro-Román, J. Siquier-Coll, I. Bartolomé, F. Grijota, D. Muñoz, M. Maynar-Mariño

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引用次数: 5

Abstract

ABSTRACT Background Physical exercise affects zinc (Zn) homeostasis. This study aimed to analyze the influence of physical training on extracellular (serum, plasma, and urine) and intracellular (erythrocytes and platelets) concentrations of Zn. Methods Forty young men, divided into a training group (TG; n = 20; 18.15 ± 0.27 years; 68.59 ± 4.18 kg; 1.76 ± 0.04 m) and a control group (CG; n = 20; 19.25 ± 0.39 years; 73.45 ± 9.04 kg; 1.79 ± 0.06 m), participated in this study. The TG was formed by semiprofessional soccer players from a youth category with a regular training plan of 10 h/week. The CG was formed by healthy men who did not practice physical exercise and had not followed any specific training plan. Plasma, serum, urine, erythrocyte, and platelet samples of Zn were obtained and analyzed by inductively coupled plasma mass spectrometry. Results The TG showed elevated plasma Zn concentrations (p < 0.01) despite similar intakes. However, TG showed reduced absolute (p < 0.01) and relative (p < 0.05) Zn concentrations in erythrocytes. Conclusions Athletes who underwent regular physical training showed elevated plasma and reduced erythrocyte Zn concentrations despite similar intakes to the CG.

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体育锻炼对细胞内外锌浓度的影响

摘要背景体育锻炼影响锌稳态。本研究旨在分析体育训练对细胞外（血清、血浆和尿液）和细胞内（红细胞和血小板）锌浓度的影响。方法将40名青年男性分为训练组（TG；n=20；18.15±0.27岁；68.59±4.18 kg；1.76±0.04 m）和对照组（CG；n=20，19.25±0.39岁；73.45±9.04 kg；1.79±0.06 m）。TG由青年组的半职业足球运动员组成，定期训练计划为每周10小时。CG由健康男性组成，他们没有进行体育锻炼，也没有遵循任何特定的训练计划。获取血浆、血清、尿液、红细胞和血小板的锌样品，并通过电感耦合等离子体质谱法进行分析。结果尽管摄入相似，但TG的血浆锌浓度升高（p<0.01）。然而，TG显示红细胞中Zn的绝对浓度（p<0.01）和相对浓度（p<0.05）降低。结论接受常规体育训练的运动员表现出血浆升高和红细胞锌浓度降低，尽管与CG的摄入量相似。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of the International Society of Sports Nutrition NUTRITION & DIETETICS-SPORT SCIENCES

CiteScore

8.80

自引率

3.90%

发文量

审稿时长

6-12 weeks

期刊介绍： Journal of the International Society of Sports Nutrition (JISSN) focuses on the acute and chronic effects of sports nutrition and supplementation strategies on body composition, physical performance and metabolism. JISSN is aimed at researchers and sport enthusiasts focused on delivering knowledge on exercise and nutrition on health, disease, rehabilitation, training, and performance. The journal provides a platform on which readers can determine nutritional strategies that may enhance exercise and/or training adaptations leading to improved health and performance.