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運動と脂肪の摂取が,周辺組織による高密度リポタンパク質の産生に及ぼす影響
1Department of Chemical Pathology and Metabolic Disorders, United Medical School, Guy's Hospital, London.
Lancet (London, England)
|November 11, 1989
まとめ
運動は前腕の高密度脂質タンパク質 (HDL) 産生を増加させ,特に高脂肪の食事後に効果的です. このHDL形成は,リポプロテインリパースの活性に関連しており,運動に寄与する可能性があります.
科学分野:
- 心血管生理学 心血管の生理学
- 脂質代謝 脂質代謝とは
- 運動科学は運動科学である.
背景:
- 高密度脂質タンパク質 (HDL) コレステロールは,コレステロールの逆輸送に重要な役割を果たします.
- HDLサブクラス (HDL2,HDL3) とその産生を理解することは,心臓血管の健康に不可欠です.
- HDLの産生に及ぼす運動とダイエットの影響は,現在も活発に研究されている分野です.
研究 の 目的:
- 人間の前腕におけるHDLコレステロールとそのサブクラス (HDL2,HDL3) の周辺産生を調査する.
- アイソメトリック運動と高脂肪食がHDL生成に与える影響を評価する.
- 運動誘発性HDL形成におけるリポプロテインリパースの役割を調査する.
主な方法:
- 前腕全域でHDL2およびHDL3コレステロールの動脈静脈流量測定.
- 断食状態と高脂肪食後の状態で実施された研究.
- リポプロテインリパース欠乏症と欠乏症の被験者を含む.
主要な成果:
- 休息前腕では,空腹状態ではHDL2およびHDL3コレステロールの流れがわずかに負の値を示した.
- アイソメトリック運動は,HDL2とHDL3のコレステロールの流れを増加させ,生産の強化を示した.
- 高脂肪食は,運動によって引き起こされるHDL3コレステロールの産生を著しく増幅しました.
- リポプロテインリパース欠乏症の患者では,運動中に周辺のHDLの産生は観察されなかった.
結論:
- 運動中の周辺HDL3形成は,リポプロテインリパース活性によって影響を受けます.
- 筋肉毛細血管床へのキロミクロンとリポタンパク質の供給は,HDLの産生に影響します.
- 筋肉の血流は,運動によるHDL合成の重要な要因である可能性があります.
- このメカニズムは,部分的に運動と冠動脈疾患の逆関係を説明するかもしれない.
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