382. 膳食纤维适应的肠道菌群清除果糖并逆转肝脂肪变性 episode artwork

EPISODE · Oct 19, 2025 · 33 MIN

382. 膳食纤维适应的肠道菌群清除果糖并逆转肝脂肪变性

from 知为谁 · host 知为谁

该文本摘录自《自然代谢》上发表的一篇题为**《膳食纤维适应的肠道微生物组清除膳食果糖并逆转肝脂肪变性》的研究文章,该文章日期为 2025 年 9 月 15 日。该研究的主要发现是,补充膳食纤维菊粉能够显著改善由过量果糖摄入引起的代谢功能障碍,包括肝脂肪变性、纤维化和胰岛素抵抗**。研究人员在雄性小鼠模型中证明,菊粉通过改变小肠微生物组来有效地分解膳食果糖,从而减少果糖溢出到肝脏和结肠,并抑制肝脏脂肪生成。此外,菊粉还通过增强肝脏谷胱甘肽 (GSH) 合成来提供肝保护作用,其效果可通过肠道微生物组进行传播。这项研究确定艰难梭菌(Bacteroides acidifaciens)是这种有益作用的关键介质之一,强调了纤维调节的肠道微生物组在减轻有害营养物暴露和疾病进展中的重要作用。内容来源:https://www.nature.com/articles/s42255-025-01356-0

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382. 膳食纤维适应的肠道菌群清除果糖并逆转肝脂肪变性

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