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ダイエット炎症指数と乳がんリスクとの関連: 更新されたシステマティック・レビューとメタ解析
Chaoyang Wang1, Qian Zhou1, Liang Chen1
1General Medical 3201 Hospital, Hanzhong, Shaanxi, China.
Frontiers in nutrition
|February 20, 2026
まとめ
より高いダイエット炎症指数 (DII) は,乳がん (BC) リスクの増加と関連しています. 果物,野菜,健康的な脂肪に富んだ抗炎症的な食事を採用することは,BCの予防と管理に不可欠です.
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,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:
- ダイエットは,がんの発生と進行において重要な役割を果たします.
- ダイエット炎症指数 (DII) は,ダイエットの炎症の可能性を定量化しています.
- DIIと乳がん (BC) の関連性を理解することは,公衆衛生にとって不可欠です.
研究 の 目的:
- DIIとBCリスクの関係を解明するメタ分析を実施する.
- BCの一次予防と二次管理戦略の証拠を提供するためです.
主な方法:
- 2025年9月30日まで,PubMed,Embase,Web of Science,コクラン図書館の体系的な検索を行いました.
- BCリスクまたはアウトカムとのDII/E-DII関連性を報告する観察研究 (ケース・コントロール,コホート) を含む.
- ランダム効果モデルを用いたプールの効果サイズ,異質性とバイアスの評価.
主要な成果:
- 19件の研究 (14件のケース・コントロール,5つのコホート) がメタ分析に含まれました.
- より高いDIIスコアは,BCリスクの増加と有意に関連していた (プールされたOR=1.91,プールされたHR=1.08).
- DIIの1単位増加は,BCリスクの約2%の上昇と相関しており,閉経前および閉経後の女性で観察されました.
結論:
- より高いDIIスコアによって示される炎症を誘発する食事パターンは,BCリスクの上昇と関連しています.
- 抗炎症的な食事 (果物,野菜,全粒穀物,健康的な脂肪) を促進することは,BCの予防と管理にとって重要です.
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