糖尿病前期における宿主-微生物のダイナミクスの縦断的なマルチオミクス
Wenyu Zhou1, M Reza Sailani1, Kévin Contrepois1
1Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA.
Nature
|May 31, 2019
まとめ
初期の2型糖尿病 (T2D) の理解は,個々の健康プロファイルと独特の宿主-微生物の相互作用を明らかにします. 炎症マーカーを含む初期の分子シグネチャーがT2D発症に先行する可能性があります.
科学分野:
- メタボリック・ヘルス
- 免疫学
- 微生物群の研究
背景:
- 2型糖尿病 (T2D) はますます健康に問題をもたらしているが,その初期段階と生物学的根拠は未だに十分に理解されていない.
- 健康状態から前糖尿病とT2Dへの移行を調査することは,早期介入戦略にとって極めて重要です.
研究 の 目的:
- T2Dへの進行に関連した最も初期の分子および微生物の変化を明らかにする.
- 健康な状態と糖尿病前の状態における個々の変化を特徴づける.
- 宿主と微生物の相互作用と,グルコースの調節不全における免疫反応を特定する.
主な方法:
- 縦断的に106人の健康な糖尿病前患者から約4年間にわたって採取した.
- 深いマルチオミクスプロファイリング:トランスクリプトーム,メタボローム,プロテオーム,およびサイトカイン分析.
- 宿主と微生物の相互作用の微生物群配列化と分析
主要な成果:
- 健康な個人は,人内および人間での有意な変動性を持つ明確なプロファイルを示します.
- 呼吸器ウイルスの感染と免疫は,独特の免疫反応を持つ広範な宿主と微生物の変化を誘発する.
- インスリン抵抗性の個人は,インスリン感受性の個人に比べて,ウイルス感染症に対して異なる反応を示します.
- 特定の宿主-微生物の相互作用は,インスリン抵抗性およびインスリン敏感性状態によって異なります.
- IL- 1RAとCRPを含む初期の分子シグネチャーが1人のT2D発症前に特定されました.
結論:
- この研究は,健康な状態,糖尿病前状態,T2D状態を区別する分子と微生物の経路に関する新しい洞察を提供します.
- 特定された宿主-微生物の相互作用と免疫反応は,T2Dの研究の潜在的なターゲットを提供します.
- この包括的でオープンなデータセットは,T2Dの病原性および早期発見に関するさらなる調査を容易にするでしょう.
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