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乳がんリスクと死亡率,植物性食生活への従順:体系的レビューとメタ分析
Mariana Del Carmen Fernández-Fígares Jiménez1, José Francisco López-Gil2,3, Paula Marrero-Fernández4,5
1School of Medicine, University of Granada, Granada, 18016, Spain.
Nutrition reviews
|February 20, 2026
まとめ
健康的な植物性食生活指数 (hPDI) は乳がんリスクの低下と関連しているが,不健康な植物性食生活指数 (uPDI) はリスクの増加と関連している. 植物性食と乳がんの生存率に関するさらなる研究が必要である.
科学分野:
- 栄養科学 栄養学 栄養科学は,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学は,栄養学が,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は
- 腫瘍学 腫瘍学
- エピデミオロジー エピデミオロジー
背景:
- 植物性食生活は,がんリスクの低下と関連しているが,乳がん (BC) に対する具体的な影響は不明である.
- 既存の研究は,植物性食生活とBCリスクまたは生存との関連を明確に確立していない.
研究 の 目的:
- 植物性ダイエット指数 (PDI),健康的な植物性ダイエット指数 (hPDI),不健康な植物性ダイエット指数 (uPDI) と乳がんリスクとの間の関係を評価する.
- これらの食事指数と乳がん特異的な死亡率との関連を評価する.
主な方法:
- ケース・コントロールとコホート研究の体系的レビューとメタ解析が行われました.
- 文献検索は,2025年8月までのWeb of Science,Scopus,PubMedで実施されました.
- 9つの研究 (5コホート,4症例対照) のがんのない個人とBC生存者を含むデータを分析した.
主要な成果:
- 全体的なPDIは,BCリスクと有意な関連性を示さなかった.
- hPDIのより高い遵守は,症例対照およびコホート研究の両方で乳がんのリスクの低下と関連していました.
- uPDIへの従順性の増加は,乳がんのリスクの増加と関連していました.
結論:
- 健康的な植物性食生活パターンは,乳がんのリスクの低下と関連しています.
- 不健康な植物性食生活パターンは,乳がんのリスクの増加と関連しています.
- 乳がんの予測と生存における植物性食の役割を理解するために,さらなる調査が必要である.
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