肠道菌群影响宿主行为的研究进展

被引:252
作者
罗佳 [1 ,2 ,3 ]
金锋 [1 ]
机构
[1] 中国科学院心理研究所,心理健康重点实验室
[2] 中国科学院大学
[3] 四川师范大学教师教育学院
关键词
肠道菌群; 肠-脑轴; 焦虑; 抑郁; 认知;
D O I
暂无
中图分类号
R378 [病原细菌];
学科分类号
100103 [病原生物学];
摘要
肠道内定植了数量众多、种类丰富的肠道菌群,它们和宿主间形成了互利共生的关系,对宿主的健康产生着重大影响.近年来,随着对肠道菌群调控作用研究的不断深入,发现肠道菌群不仅调控肠道活动,还影响宿主的脑功能和行为.肠道菌群通过肠-脑轴调控宿主行为,而肠-脑轴是由免疫、神经内分泌和迷走神经途径构成的肠道和脑之间的交流系统.动物研究(无菌动物、肠道病原菌感染以及抗生素和益生菌处理动物)和临床观测结果表明,肠道菌群通过肠-脑轴对宿主的应激反应、焦虑、抑郁和认知功能产生重要影响.平衡的肠道菌群可以促进宿主的身心健康,而肠道菌群失调则可能引发肠-脑疾病(如肠易激综合征、炎性肠道疾病和肝性脑病)和中枢神经系统疾病(如多发性硬化症、阿尔兹海默症和自闭症等).深入了解肠道菌群对宿主行为的影响,有助于更好地理解肠易激综合征和多发性硬化症等的发病机理,并认识到调节和恢复正常肠道菌群的安全有效措施(补充益生菌)是治疗精神心理疾病的重要组成部分.
引用
收藏
页码:2169 / 2190
页数:22
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