メタボリックシンドロームのアドレノ皮質的,自律的,および炎症的原因:ネストされた症例対照研究
E J Brunner1, H Hemingway, B R Walker
1International Centre for Health and Society, Department of Epidemiology and Public Health, University College London, England. e.brunner@ucl.ac.uk
Circulation
|November 20, 2002
まとめ
メタボリックシンドローム (MS) は,神経内分泌ストレス軸の活性化と心臓の自律機能不全に関連しています. これらの変化は逆戻り可能なようで,慢性的なストレスがMSを引き起こす可能性があることを示唆しています.
科学分野:
- エンドクリノロジー エンドクリノロジー
- 心臓病学 心臓病学
- 心理神経免疫学 心理神経免疫学について
背景:
- メタボリックシンドローム (MS) は冠動脈疾患に先行するかもしれませんが,その原因は不明です.
- 本研究では,MS発症における神経内分泌および心臓の自律活動 (CAA) の役割を調査しています.
- また,これらの適応に対する心理社会的および行動的要因の影響も検討されています.
研究 の 目的:
- 神経内分泌障害とCAAがメタボリックシンドロームに寄与するかどうかを判断する.
- これらの変化の可逆性を評価する.
- MSに関連する神経内分泌の適応における心理社会的および行動的要因の役割を調査する.
主な方法:
- 30人のMS症例と,ホワイトホールIIコホートから153人の健康な男性 (45歳から63歳まで) を比較した双盲症例対照研究.
- コルチゾール分泌,感受性,24時間のメタボリートとカテキオラミン出力,心拍数変動 (HRV) による心臓自律活動 (CAA) を測定した.
- 心理社会的および行動的要因の分析が行われました.
主要な成果:
- MS症例では,コルチゾールの代謝物質とノルメタネフリンの出力が高く,炎症マーカー (IL-6,CRP) が上昇した.
- 症例はより低いHRVを示し,心交感性優位性を示した.
- 前回のMS症例では,神経内分泌マーカーが正常化し,心理社会的要因が,MSと神経内分泌の変化の関連性を部分的に説明しました.
結論:
- メタボリックシンドロームは,神経内分泌ストレス軸の活性化と心交感性優位性に関連しています.
- これらの神経内分泌の変化は,可逆性があるように見える.
- 慢性的なストレスは,多発性硬化症の潜在的な原因として関与しており,さらなる見通し研究を正当化しています.
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