総合的なメタボリックフェノタイピングは,若い成人の心血管リスクを精査します
Venkatesh L Murthy1, Jared P Reis2, Alexander R Pico3
1Departments of Medicine and Radiology, University of Michigan, Ann Arbor (V.L.M.).
Circulation
|October 19, 2020
まとめ
若い成人のメタボライトプロファイルは,何十年後に心血管疾患 (CVD) のリスクを予測します. これらの代謝シグネチャーは,早期のCVD経路を特定し,予防のためのリスクの分層化に役立ちます.
科学分野:
- メタボロミクス
- 心血管疾患の研究
- 精密医療
背景:
- 心血管疾患 (CVD) のリスクは通常40歳以上の個人に評価されますが,早期のCVD病変ははるかに早く発症します.
- CVDの発達における代謝の役割にもかかわらず,より若い双人種集団における正確な代謝リスクのフェノタイプはまだ十分に研究されていません.
研究 の 目的:
- 心血管疾患 (CVD) の不良表型と長期的なアウトカムに関連した若い成人のメタボリートプロファイルを特定する.
- 根底にあるメカニズムを探究し,メタボライトベースのリスクスコアを独立したコホートで検証する.
主な方法:
- 統計的学習とコックス回帰を用いたCARDIA研究 (若年における冠動脈リスクの発達) の2330人の若年成人の分析.
- フレミングハム心臓研究におけるメタボライトベースのリスクスコアの開発と検証
主要な成果:
- 成人初期における代謝物質のプロファイルは,20年以上の臨床下CVD発症を予測し,新たなCVD経路を明らかにした.
- 2つのメタボライトベースのスコアは,血管と心筋の健康に独立して関連しており,25年以上の臨床CVDに関連しています.
- 発見はフレミングハム心臓研究で再現され,特に若い個体において,同様の関連性と改善されたCVDリスクの予測を示しました.
結論:
- 若い成人における代謝シグネチャーは,CVDに関連する代謝機能障害の主要な経路を特定します.
- これらのシグネチャーは,独立したコホートにおける長期的な心血管疾患と関連しています.
- 精密な代謝健康対策をリスク分層に統合することは,早期のCVD介入に不可欠です.
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