ダイエット摂取量と胃腸微生物群の関係を調査するために使用される方法の広範囲のレビュー
Nicole M Simm1,2,3, Georgina M Williams2,3,4, Sophie Fowler1
1School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW 2308, Australia.
Nutrition reviews
|February 12, 2026
まとめ
ダイエット・マイクロバイオームの研究には,データ収集と分析のための標準化された方法が欠如しており,信頼性の高い発見を妨げています. 食事の評価と微生物群のシーケンシングに関するコンセンサスの確立は,この分野を前進させるために不可欠です.
科学分野:
- マイクロバイオームの研究
- 栄養科学とは,栄養科学である.
- 人間の健康 人々の健康
背景:
- 胃腸 (GI) の微生物群は,人間の健康に大きく影響し,食事が重要な変化要因である.
- 既存の食事と微生物群の研究では,食事の評価,微生物群のシーケンシング,およびデータ分析の方法論において相当な異質性が示されています.
- この矛盾は,研究成果の比較と合成を複雑にする.
研究 の 目的:
- ヒトの食事と微生物群の研究で使用されている方法の不一致を合成し,特定するために,体系的なスコーピングレビューを実施する.
- 食事の評価ツール,微生物群のシーケンシング技術,分析方法の範囲を評価する.
- 将来の研究とメタ分析を妨げている方法論報告のギャップを強調する.
主な方法:
- 文献データベース (MEDLINE,EMBASE,CINAHL,Cochrane,Google Scholar) のシステマティック・スクーピング・レビューを実施しました.
- 含有基準:食事による摂取量とGI微生物群 (16S rRNAまたはショットガンメタゲノミクス) を関連分析で測定した研究.
- 1,262件の選択された記事から食事の評価方法,シーケンシング技術,統計分析に関するデータを抽出し,295件のサブセットは食事の摂取量全体に焦点を当てた.
主要な成果:
- 84の食品頻度アンケート,12の代替調査,および4のダイエットリコール/日記タイプが食事の評価に使用されました.
- 81%の研究では16S rRNAの配列が用いられ,抽出,配列,事前処理,注釈のプロトコルには大きな違いがありました.
- 微生物群に特有の統計的方法が用いられた研究は11%のみで,微生物群データでは推奨されない相関的アプローチが普及している.
結論:
- 方法論と報告基準の観点から,ダイエット・マイクロバイオーム研究において大きな矛盾がある.
- 方法報告のギャップは,研究結果の比較性とメタ分析の可能性を制限します.
- 高品質の食事-微生物群の研究を進めるために,方法と報告に関するコンセンサスを確立するための共同努力が不可欠です.
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