マルチオミクスは,肥満に易感するマウスと肥満に抵抗するマウスの異なるシグネチャーを明らかにします

Congcong Wang^1,2,3,4,5, Jinhua Lin^1,2, Meng Duan^1,2,6

¹Department of Nutrition and Food Hygiene, Children's Hospital Zhejiang University School of Medicine, National Clinical Research Center for Child Health Hangzhou China.

iMetaOmics

|February 12, 2026

まとめ

腸内微生物群と宿主の相互作用が肥満に影響します. 研究者は特定の細菌,アミノ酸,胆酸を特定し,肥満に罹患しやすい人と肥満に抵抗する個人を区別し,肥満マーカーに関する洞察を提供しました.

科学分野:

微生物学微生物学とは
メタボロミクスとは
ホスト-微生物群の相互作用

背景:

肥満傾向 (OP) と肥満抵抗性 (OR) の個人は,異なる代謝プロファイルを示しています.
肥満の感受性や宿主-微生物群の相互作用における腸内微生物群の役割は完全に理解されていません.

研究の目的:

高脂肪ダイエットで飼育されたOPとORマウスの微生物,代謝,遺伝的差異を調査する.
人間における腸内微生物群の多様性と,肥満現象型との関連性を分析する.

主な方法:

マウスにおける統合的マルチオミックスのアプローチ.
腸内微生物群の構成と糞便の代謝物の分析.
人間の腸内微生物群データと宿主遺伝子発現との相関分析.

主要な成果:

明確なキーストーン細菌 (OPのLongibaculum,ORのKineothrix) が確認されました.
アミノ酸と胆酸のプロファイルに関連した特定の細菌系.
肥満の潜在的バイオマーカーとして22のアミノ酸プロファイルと10の非12-OH胆酸を特定した.
ウルソデオキシコール酸とヒオデオキシコール酸は,体内で抗肥満効果を示した.
OPマウスは,大腸炎症の増加を示した.

結論:

ホスト-微生物群の相互作用は,肥満の感受性に大きく寄与する.
肥満傾向および肥満耐性フェノタイプに関連した重要な微生物および代謝シグネチャーを特定しました.
肥満の理解と管理のための潜在的なバイオマーカーを提供します.

キーワード:

脂肪が多いダイエットメタボロミクスメタボロミクス微生物群 (microbiota) とは,微生物群 (microbiota) とは,微生物群のことです.肥満肥満肥満トランスクリプトーム transcriptome

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