抵抗训练后反运动跳跃增强的个体差异的遗传标记和预测模型
Tao Mei1, Xiaoxia Li2, Yanchun Li1
1China Institute of Sport and Health Science, Beijing Sport University, Beijing, China.
Biology of sport
|October 17, 2024
概括
遗传标记物会影响抵抗训练的结果. 全基因组关联分析确定了与训练后功率改善相关的特定SNP,为个人反应的预测模型做出了贡献.
科学领域:
- 运动生理学 运动生理学
- 人类遗传学 人类遗传学
- 运动科学 运动科学 运动科学
背景情况:
- 个人对抗力训练的反应有很大的不同.
- 遗传因素被假设在这些差异中起作用.
- 了解遗传贡献可以优化训练个性化.
研究的目的:
- 使用全基因组关联分析 (GWAS) 识别与抵抗训练功率增强相关的遗传标记.
- 研究已识别的遗传标记物的生物途径.
- 为抵抗训练结果开发一个预测模型.
主要方法:
- 193名汉族成年人接受了为期12周的耐力训练计划 (坐,长椅压力).
- 进行了全基因组基因型鉴定和反运动跳跃 (CMJ) 高度,肌肉强度和质量的评估.
- 用全基因组关联分析 (GWAS) 和多基因分数 (PGS) 的计算来构建一个预测模型.
主要成果:
- 训练后观察到CMJ高度显著增加 (16.53%,p < 0.01),个人差异很大.
- 38个SNP,包括PCTP rs9907859 (p < 1 × 10-8),与CMJ高度变化显著相关.
- 预测模型解释了62.6%的培训结果差异 (13.0%来自PGS,49.6%来自表型指标).
结论:
- 抵抗训练反应的个体差异是显而易见的.
- 遗传标记和表型指标对预测训练结果有很大的贡献.
- 已识别的SNP参与肌肉骨运动和条纹肌肉收缩路径.
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