持续的微生物组变化会调节节食后恢复体重的速度
Christoph A Thaiss1, Shlomik Itav1, Daphna Rothschild2,3
1Immunology Department, Weizmann Institute of Science, 76100 Rehovot, Israel.
Nature
|December 2, 2016
概括
由于肠道微生物组的持续变化, 饮食通常会导致体重增加. 用黄来准微生物组可能有助于预防二次肥胖.
科学领域:
- 微生物组研究
- 肥胖和新陈代谢
- 肠道健康
背景情况:
- 肥胖流行需要有效的体重管理策略.
- 在节食后,许多人很难长期保持体重.
- 饮食后重复肥胖的机制尚不清楚.
研究的目的:
- 确定与节食后体重恢复相关的肠道微生物特征.
- 研究微生物组在饮食后代谢异常中的作用.
- 开发预测模型和治疗策略,以恢复节食后的体重.
主要方法:
- 在节食期间和之后对肥胖小鼠的肠道微生物组进行分析.
- 在没有细菌的小鼠身上进行便微生物移植实验.
- 开发用于预测重量恢复的机器学习算法.
- 测量黄素水平和能量消耗.
- 基于黄类的"后生物药物"的干预.
主要成果:
- 在小鼠成功饮食后,还存在特定的肠道微生物体特征.
- 这种特征在再次暴露于肥胖的条件下促进更快的体重恢复和代谢问题.
- 这种加速体重恢复的表型是通过便传播的.
- 一个机器学习模型可以根据微生物组数据预测饮食后的体重恢复.
- 饮食引起的微生物组变化降低了黄水平和能量消耗.
- 黄干预减轻了二次体重增加.
结论:
- 肠道微生物组在减肥后的体重增加中起着重要作用.
- 微生物组的特征可以预测重量增加的程度.
- 基于黄的干预措施在治疗二次肥胖方面具有前景.
- 针对微生物组的策略可能为肥胖提供新的诊断和治疗途径.
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