炎症に関連する精神疾患における微生物群の役割
Liying Zhou1, Qunhua Wu2, Lin Jiang2
1Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Shenzhen, China.
Frontiers in immunology
|September 5, 2025
まとめ
腸内微生物群は 脳の健康に影響し 免疫系経路を通して 精神疾患に影響します 腸内微生物を標的とした治療法では 神経炎症を調節することで これらの疾患を治療する見込みがあります
科学分野:
- 神経免疫学
- 微生物群の研究
- 精神医学 遺伝学
背景:
- 腸-脳軸は腸内微生物群と中枢神経系 (CNS) の機能を結びつける.
- 腸内微生物とその代謝物は 神経免疫反応を媒介する.
- うつ病,不安症,統合失調症などの精神疾患に 関与しています
研究 の 目的:
- 炎症に関連する精神疾患における腸内微生物の役割を検討する.
- 微生物による神経免疫交響と 神経伝達物質の合成を強調する
- 精神疾患における微生物代謝物の役割を評価する.
主な方法:
- 現在の証拠の文献合成.
- 微生物による神経炎症と神経伝達物質の調節に 焦点を当てる
- SCFAやトリプトファンの誘導体などの微生物代謝物の評価
主要な成果:
- 腸内からの炎症誘発性サイトカイン (例えばIL-6,TNF-α) は中枢神経系に到達し,マイクログリアを活性化します.
- マイクログリアの過剰活性化と神経炎症は 重度のうつ病,不安,自閉症,統合失調症と関連しています
- 微生物群を標的とした治療法 (プロバイオティクス,FMT) は,ホメオスタシスを回復し,炎症を軽減することで潜在的効果を示しています.
結論:
- 腸内微生物群は神経免疫経路を通じて 精神疾患に影響を及ぼします
- 微生物代謝物は精神疾患において 二重の役割を果たします
- 腸-脳軸の精密な調節は 精神疾患の併発管理の枠組みを提供します
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