Microbiota and healthy ageing: observational and nutritional intervention studies.

Microbiota and healthy ageing: observational and nutritional intervention studies.
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DOI:
10.1111/1751-7915.12048
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发表时间:
2013-07
影响因子:
5.7
通讯作者:
Brüssow H
Brüssow H
中科院分区:
工程技术2区
文献类型:
--
作者:
Brüssow H

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一百年前,梅奇尼科夫将人类健康,特别是健康的老龄化与一种特定类型的肠道微生物群联系在一起。经典的培养方法表明,随着年龄的增长,双歧杆菌减少,肠道细菌增加。现代分子方法模糊了这一简单的图景,并记录了肠道微生物组的大量个体间差异,即使在根据健康状况对老年受试者进行分层时也是如此。使用抗性淀粉的营养干预显示,在来自不同地理区域的研究中,肠道微生物区系发生了一致的变化,益生素补充剂诱导肠道双歧杆菌增加了10倍。然而,在ELDERMET研究中,微生物区系的变化并不在此之前,而是跟随着可能由于饮食变化而导致的老年受试者健康状况的变化。
Hundred years ago Metchnikoff associated human health and particularly healthy ageing with a specific type of gut microbiota. Classical culture methods associated a decrease in bifidobacteria and an increase in enterobacteria with ageing. Modern molecular methods blurred this simple picture and documented a substantial inter-individual variability for the gut microbiome even when stratifying the elderly subjects according to health status. Nutritional interventions with resistant starch showed consistent gut microbiota changes across studies from different geographical areas and prebiotic supplementation induced a 10-fold increase in gut bifidobacteria. However, in the ELDERMET study, microbiota changes do not precede, but follow the changes in health status of elderly subjects possibly as a consequence of diet changes.
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