脂肪酸合成抑制饮食中的多不和脂肪酸使用
Anna Worthmann1, Julius Ridder2, Sharlaine Y L Piel2
1Department of Biochemistry and Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Nature communications
|January 3, 2024
概括
脂肪酸合成酶 (FASN) 控制着身体如何使用饮食中的多不和脂肪酸 (PUFA). 抑制FASN增强PUFA的益处,可能治疗代谢性疾病.
科学领域:
- 生物化学 生物化学
- 代谢性疾病是一种代谢性疾病.
- 营养科学 营养科学
背景情况:
- 饮食中的多不和脂肪酸 (PUFA) 提供健康益处.
- 高内源性脂肪酸产量 (de novo lipogenesis,DNL) 与代谢疾病有关.
- 了解PUFA纳入脂质对代谢健康至关重要.
研究的目的:
- 研究脂肪酸合成酶 (FASN) 在饮食中PUFA利用中的作用.
- 确定FASN抑制是否影响PUFA结合和代谢疾病标志物.
- 探索FASN抑制和PUFA补充的联合作用.
主要方法:
- 使用的小鼠模型养高脂肪饮食.
- 评估了FASN抑制对PUFA代谢的影响.
- 量化肝脏三糖醇 (TAG) 和分析的脂质合并途径.
主要成果:
- 在小鼠和人类中,FASN 批判性地确定了饮食中 PUFA 的使用.
- 通过FASN抑制,通过MFSD2A增加了PUFA的吸收.
- 结合FASN抑制和PUFA补充减少了小鼠的肝脏TAG.
- 在FASN抑制后,DGAT2调节了PUFA的纳入TAG.
结论:
- 饮食中PUFA的有效性取决于内源性新生脂质生成水平.
- 抑制FASN可以增强PUFA的吸收,减少肝脏脂肪的积累.
- 将PUFA补充剂与FASN抑制相结合是治疗代谢性疾病的潜在策略.
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