一个为期两周的修改基因饮食对肥胖成年人循环脂蛋白子类GDF15和FGF21的影响
Nana Zhang1, Na Liu1, Guoxia Zhao1
1Department of Endocrinology and Metabolism, Xijing Hospital of The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
Journal of translational medicine
|November 7, 2025
概括
一种修改过的素饮食 (MKD) 干预导致肥胖个体显著减肥和改善身体组成. 饮食也改变了GDF15和FGF21的水平,表明了超出传统脂质比率的新型代谢效应.
科学领域:
- 代谢调节 代谢调节 代谢调节 代谢调节
- 肥胖问题研究研究
- 营养科学 营养科学
背景情况:
- 生长差异化因子15 (GDF15) 和纤维细胞生长因子21 (FGF21) 是主要的代谢调节剂.
- 它们在转基因饮食 (MKD) 诱导的肥胖患者减肥和脂蛋白重塑中的作用需要进一步研究.
研究的目的:
- 研究2周MKD干预对肥胖个体的减肥,身体组成和GDF15和FGF21血清水平的影响.
- 分析MKD对血清脂蛋白子类及其重塑的影响.
主要方法:
- 对30名代谢健康的肥胖参与者 (BMI ≥28 kg/m2) 进行了为期2周的MKD干预.
- 使用自我控制的前后设计,测量身体组成,禁食血清GDF15和FGF21,以及血清脂蛋白子类在基线和干预后.
主要成果:
- 在MKD后观察到体重 (4.8%) 和BMI (4.7%) 的显著减少.
- 身体脂肪质量和内脏脂肪面积减少了5%以上,而瘦肉质量保持稳定.
- 血清GDF15水平增加了5.76%,FGF21水平下降了51.91%.
- 脂蛋白B/A1和LDL-c/HDL-c的比例显著增加.
- 较大的HDL-c分数 (H1FC/H2FC) 增加,而较小的 (H3FC/H4FC) 减少,其中H2FC显示出最明显的升高.
结论:
- 短期MKD干预显著改善肥胖个体的脂肪度量.
- MKD改变了GDF15和FGF21水平,表明了新的代谢适应.
- 这些适应可能导致HDL-c亚类的有益重塑,超出传统的脂质比率变化.
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