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Insights into correlation between intestinal flora-gut-brain axis and blood-brain barrier permeability
Rong-Xuan Hua, Han Gao, Bo-Ya Wang, Yue-Xin Guo, Chen Liang, Lei Gao, Hong-Wei Shang, Jing-Dong Xu
Rong-Xuan Hua, Clinical Medicine "5+3" Program, Capital Medical University, Beijing 100069, China
Han Gao, Jing-Dong Xu, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
Bo-Ya Wang, Clinical Medicine Program, Peking University Health Science Center, Beijing 100081, China
Yue-Xin Guo, Oral Medicine "5+3" Program, Capital Medical University, Beijing 100069, China
Chen Liang, Clinical Medicine, Capital Medical University, Beijing 100069, China
Lei Gao, Department of Biomedical Informatics, School of Biomedical Engineering, Capital Medical University, Beijing 100069, China
Hong-Wei Shang, Morphological Experiment Center, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
Supported by: National Natural Science Foundation of China, No. 821714056 and No. 81673671; National Key Research and Development Plan "Major Chronic Non-communicable Disease Prevention and Control Research" Key Special Project, No. 2016YFC1306305.
Corresponding author: Jing-Dong Xu, Associate Professor, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, No. 10 Youanmenwai Xitoutiao, Fengtai District, Beijing 100069, China. xujingdong@163.com
Received: September 3, 2021 Revised: October 19, 2021 Accepted: January 12, 2022 Published online: January 28, 2022
A wide variety of gut microbes has a non-negligible physiological and pathological impact on the host. Studies show that gut microbes can influence the function of the central nervous system by synthesizing and releasing several key neurotransmitters and neuroregulatory factors. Decreasing the integrity of the blood-brain barrier is related to the disorder of gut microbes, and maintaining the homeostasis of gut microbes is of great significance in preventing and treating neurodegenerative diseases. This review summarizes the possible mechanism of the intestine flora-gut-brain axis as a signaling pathway and presents several ideas and potential directions for regulating gut microbes to achieve the purpose of disease treatment.
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