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在训练有素的跑步者中,FAHFA的基于性别的异质性
Alisa B Nelson1, Lisa S Chow2, Donald R Dengel3
1Division of Molecular Medicine, Department of Medicine, University of Minnesota, Minneapolis, MN, United States of America.
基脂肪酸的脂肪酸 (FAHFA) 含量因性别和身体组成而有所不同. 瘦身的女性具有更高的FAHFA,受脂肪质量的影响,这表明FAHFA可能表明代谢健康.
科学领域:
- 利皮多米克 (Lipidomics) 是一种消化剂.
- 代谢健康 代谢健康
- 人体生理学 人体生理学
背景情况:
- 基脂肪酸的脂肪酸 (FAHFA) 是具有已知的抗糖尿病和抗炎性能的生物活性脂蛋白.
- 以前的研究表明,FAHFA可以预测跑步者的心肺健康状况.
- 身体构成和性别对FAHFA水平的影响在很大程度上仍未被探索.
研究的目的:
- 研究身体构成 (瘦身与超重) 和性别对休跑者循环FAHFA度的影响.
- 探索FAHFA水平与身体组成指标 (如脂肪质量和瘦体质量) 之间的关系.
- 确定FAHFA水平是否可以作为亚临床代谢功能障碍的生物标志物.
主要方法:
- 横截面研究比较循环FAHFA度.
- 使用双能X射线吸收计 (DXA) 评估的身体组成.
- 参与者包括瘦身和超重的女性跑者,以及瘦身的男性跑者.
主要成果:
- 循环FAHFA在女性中升高,由脂肪储存大小,血糖和瘦体质量调节.
- 与瘦个体相比,超重个体的FAHFA较低.
- 在瘦个体中,较高的FAHFA水平与相对脂肪量增加相关,这种关系在超重组中减弱.
结论:
- 循环FAHFA水平受性别和身体组成的影响,表明多式调节.
- FAHFA度可能表明亚临床代谢功能障碍,特别是在代谢健康的肥胖症中.
- 需要进一步的研究,以了解治疗开发的内源性FAHFA动态.
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