近視予防におけるビフィドバクテリアの潜在的な保護的役割:全長16S rRNA配列と双方向メンデルのランダム化分析からの証拠
Guodong Tang1, Yibo Han2, Xiaoqi Gong2
1Ophthalmology and Optometry Department, Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
Frontiers in medicine
|August 29, 2025
まとめ
腸内細菌は近視の発達に影響を与える可能性があります. ビフィドバクテリアの濃度の上昇は近視のリスクの低下と関連しており,このプロバイオティクスは目の健康に役立つ可能性があることを示唆しています.
科学分野:
- 眼科について
- 微生物学
- 遺伝学
背景:
- 近視の流行は 世界的に増加しており 公衆衛生上の懸念を引き起こしています
- 腸内微生物群と眼疾患の間には潜在的な関連があるが,近視における直接的な因果関係は証明されていない.
研究 の 目的:
- 腸内微生物と近視の因果関係を調べるため
- 形状欠陥近視 (FDM) モデルを用いて発見を検証する.
主な方法:
- 196の腸内微生物群と近視に関する全ゲノム関連研究データを用いた双方向メンデルのランダム化 (MR) 分析.
- 糞便サンプルから16S rRNA遺伝子配列を解析した豚でFDMを誘導する実験.
主要な成果:
- MR分析により,近視リスクに関連した5つの細菌種が特定されました.
- ビフィドバクテリアの増加は近視のリスクの低下と相関する (OR=0. 834,P<0. 05).
- 動物モデルではBifidobacteriaの濃縮が確認され,MRの発見を裏付けている.
結論:
- バイフィドバクテリアのサプリメントは近視のリスクを軽減する有効な戦略です.
- ビフィドバクテリアベースの近視介入の開発と試験にはさらなる研究が必要です.
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