糖尿病予防プログラムの参加者における長期代謝経路は,微小およびマクロ血管合併症のリスクが異なるサブグループを明らかにする
Emily Kobayashi1,2, Nathaniel J Linden-Santangeli3, Nicholas Chan1
1Bioinformatics and Systems Biology Graduate Program, University of California, San Diego, La Jolla, CA.
Diabetes care
|August 26, 2025
まとめ
前糖尿病の経路は様々です. 代謝的に健康な人もいれば インスリン抵抗性や腎臓機能障害を発症し,合併症のリスクが増加します. マイクロアルブミヌリアの早期介入は,心血管疾患を予防することができます.
科学分野:
- 代謝の健康と疾患の進行
- 糖尿病の研究における長期的研究
- 臨床フェノタイプ化とリスクの階層化
背景:
- 2型糖尿病 (T2D) とその合併症は数十年にわたって発達し,前糖尿病からの早期進行については理解が限られている.
- 疾患の発症における異質性により,標的を絞った介入のために異なる患者のサブグループを特定することが必要である.
研究 の 目的:
- 糖尿病前期から始まる長期代謝経路が,T2Dの合併症のリスクが異なるサブグループを特定できるかどうかを調査する.
- 代謝パターンがマイクロ血管とマクロ血管の発生にどのように影響するか分析する.
主な方法:
- 糖尿病予防プログラム/アウトカム研究で19年にわたって1,732人の参加者の臨床データを分析した.
- 縦断パターンを特定するためにテンソル分解とクラスター定義のためのガウス混合モデリングを使用した.
- コックスとロジスティック回帰を用いてクラスタ固有の合併症リスクを定量化.
主要な成果:
- 4つの異なる代謝クラスターが特定されました.
- 2つのクラスター (73%) は,T2Dの発症にもかかわらず,低合併症率で安定した代謝プロファイルを示しました.
- 一群 (12%) は急速なインスリン抵抗性および高血糖症を示し,高い割合の網膜病変と神経病変を引き起こした.
- 第4群 (15%) は早期のマイクロアルブミヌリアと進行性腎機能低下を示し,心血管疾患のリスクを2倍にしました.
結論:
- 糖尿病前症候群のほとんど (2/3) は,代謝の回復力のある経路をたどっています.
- インスリン抵抗性または腎機能障害の明確な経路は,マイクロまたはマクロ血管合併症に先立ちます.
- 糖尿病前症候群とマイクロアルブミヌーリアの患者では,マクロ血管疾患の予防を最適化するために,T2D発症前に介入する必要があります.
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