INTESTINE Vol.21 No.4(2-2)


特集名 腸内細菌をめぐって
題名 炎症性腸疾患と腸内細菌(2)炎症性腸疾患の病態における腸内細菌と脳腸相関の役割
発刊年月 2017年 07月
著者 寺谷 俊昭 慶應義塾大学医学部内科学(消化器)
著者 鈴木 貴博 慶應義塾大学医学部内科学(消化器)
著者 金井 隆典 慶應義塾大学医学部内科学(消化器)
【 要旨 】 gut-brain axis(脳腸相関)は,脳と腸の双方向性の情報交換システムである.腸管環境(栄養や腸内細菌叢など)に応じたさまざまな因子(神経性・代謝性・内分泌性・免疫性)がメディエイターとしてgut-brain axisに利用されている.そのため,腸内細菌叢の攪乱(dysbiosis)は,gut-brain axisを介して,腸機能や腸疾患発症・進展だけでなく,宿主の生理機能に大きく関与する.
Theme Impacts of intestinal microbiota
Title Role of intestinal microbiota and gut-brain axis in inflammatory bowel disease
Author Toshiaki Teratani Division of Gastroenterology and Hepatology, Keio University School of Medicine
Author Takahiro Suzuki Division of Gastroenterology and Hepatology, Keio University School of Medicine
Author Takanori Kanai Division of Gastroenterology and Hepatology, Keio University School of Medicine
[ Summary ] The gut-brain axis refers to a bidirectional information network between the gut and the brain. Many factors (neural, metabolic, endocrine and immune) according to the intestinal environment (nutrition, intestinal bacterial flora etc.) are used as a mediators for the gut-brain axis. The relationship between intestinal bacteria and host physiological functions had been clarified by dramatically improved genome sequencing technology and use of gnotobiotic animals. The interaction between intestinal bacteria and the nervous system is a hot topic in the field of intestinal bacteria research. Recent studies have revealed that specific intestinal bacteria affect neuronal activity including progression of neurodegenerative disease, brain development, behavior and others. In addition, signals from the central nervous system affect intestinal function and intestinal flora. Therefore, dysbiosis is thought to be involved in intestinal functions and progression of inflammatory bowel disease via the gut-brain axis.
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