PSYCH OpenIR  > 中国科学院心理健康重点实验室
Alternative TitleGut microbiota and autism
吴晓丽1,2; 梁姗1; 王涛1; 金锋1
First Author吴晓丽


Other Abstract

Autism spectrum disorder (ASD) is one of the most severe neurodevelopmental disorders in the world, and it has brought tremendous burden for family and society. However, there is still no effective method clinically to cure this disorder. The morbidity of the disorder has increased rapidly in recent decades, which does not correspond with Hardy-Weinberg Equilibrium, indicating the disorder is more involved in some environmental factors than genes. Maternal disturbances, poor diet, and leaky gut are remarkable risk factors for autism, all of which can induce gut microbiota dysbiosis. More and more studies have indicated that autism is closely related to imbalanced gut microbiota and abnormal gut-brain axis. Autistic children have different gut microbiota including bacteria and fungi from healthy children, and gut microbiota modulation using either antibiotics, probiotics, or fecal microbiota transplantation may change autistic symptoms. Due to the synchronization of gut brain development and brain development, factors that affect the gut microbiota development of infants during the critical period will increase the incidence rate of autism.

Gut microbiota can influence brain development and brain function like behavior and cognition through gut-brain axis/microbiota-gut-brain axis. The microbiota-gut-brain axis mainly include four pathways, which are metabolism, immune system, neuroendocrine system, and vagus nervous system. Abnormal microbiota can increase the harmful metabolites including 3-(3-hydroxyphenyl)-3-hydroxypropionic acid (HPHPA) and 4-ethylphenylsulfate (4EPS) to induce autistic-like behaviors. Gut microbiota regulates the development and function of immune system, and microbiota dysbiosis can result in chronic inflammation to impair the normal development of brain and mentality. Abnormal microbiota can induce autistic symptoms through neuroendocrine pathway, it probably disturbs the development and function of hypothalamus-pituitary-adrenal (HPA) axis, influence the activity of serotonergic system and oxytocin system, and increase the content of harmful gas neurotransmitters such as hydrogen sulfide (H2S) and ammonia (NH3). Microbiota dysbiosis can also lead to autistic-like behaviors through vagus nervous system.

Gut microbiota dysbiosis will possibly be the effective target of autism treatment. Increasing studies have shown that gut microbiota restoration including probiotics supplementation alleviates autism symptoms. Certain beneficial microbial strains can recover normal microbiota, prevent pathogen infection, alleviate gut barrier leakiness, prompt gastrointestinal function, and improve behavior and cognition development. These beneficial bacteria probably alleviate autism through regulating the microbiota-gut-brain axis function. They can improve brain function via vagus nervous systems, alleviate brain inflammation through immune response regulation, and restore normal brain neurotransmitters and neurogenesis through HPA function recovery and neurotransmitters metabolism regulation.

The new intervention is different from traditional interventions which usually focus on one or two symptoms of autism, it not only restores normal gut microbiota but also improve the whole microbiota-gut-brain axis function including the gut brain and the great brain. Certain symbiotic microorganism intervention will probably become promising auxiliary treatment for autism. In the present paper, we review and summarize some valuable related researches between autism and gut microbiota, to provide an important reference for comprehensive prevention and treatment of autism in China.

Keyword自闭症(孤独症) 肠脑 肠漏 微生物-肠-脑轴 益生菌
Source Publication科学通报
Volume63Issue:18Pages:1803 ~ 1821
Indexed ByCSCD ; 中文核心期刊要目总览
Citation statistics
Document Type期刊论文
Affiliation1.中国科学院心理研究所, 中国科学院心理健康重点实验室
First Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
吴晓丽,梁姗,王涛,等. 肠道微生物与自闭症研究进展[J]. 科学通报,2018,63(18):1803 ~ 1821.
APA 吴晓丽,梁姗,王涛,&金锋.(2018).肠道微生物与自闭症研究进展.科学通报,63(18),1803 ~ 1821.
MLA 吴晓丽,et al."肠道微生物与自闭症研究进展".科学通报 63.18(2018):1803 ~ 1821.
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