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地中海饮食,肠道微生物群和2型糖尿病:干预试验的系统审查和元分析
Fabio Lauria1, Annarita Formisano1, Marika Dello Russo1
1Institute of Food Sciences, National Research Council (CNR), Avellino, Italy.
地中海饮食 (MedD) 改善了关键的代谢标志物,如HbA1c和LDL胆固醇,同时也积极影响了肠道微生物群 (GM). 这些变化表明MedD对预防2型糖尿病和心血管疾病有益.
科学领域:
- 营养科学 营养科学
- 微生物学 微生物学
- 代谢健康 代谢健康
背景情况:
- 地中海饮食 (MedD) 与更好的代谢健康和肠道微生物群 (GM) 调节有关,这对于预防2型糖尿病 (T2D) 和心血管疾病 (CVD) 至关重要.
- 这项研究系统地审查和元分析了T2D和CVD高风险个体的MedD干预措施.
研究的目的:
- 评估基于MedD的饮食干预对代谢健康结果的影响.
- 评估MedD对危险人群肠道微生物群组成的影响.
主要方法:
- 随机对照试验 (RCT) 的系统审查和元分析.
- 搜索了主要的数据库 (PubMed,Embase,科学网,Cochrane CENTRAL,Scopus) 至2024年10月.
- 包括9个RCT与1337名参与者,将MedD与控制饮食进行比较.
主要成果:
- 与对照饮食相比,MedD干预显著降低了HbA1c,LDL胆固醇和甘油三.
- 没有观察到对禁食葡萄糖,胰岛素,HOMA-IR,总胆固醇或高密度胆固醇的显著影响.
- 对转基因的定性分析显示,阿尔法多样性增加和有益细菌的丰富,如Akkermansia muciniphila和Roseburia spp.
结论:
- MedD干预措施在改善HbA1c,LDL胆固醇和甘油三方面表现出有效性.
- 肠道微生物组成的有益变化与MedD有关,可能有助于其代谢益处.
- 未来的研究应该探索个性化的方法和更长的干预措施,以阐明饮食-微生物群-宿主相互作用.
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