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Review

The Impact of Gut Microbiota Disorders on the Blood–Brain Barrier

ORCID Icon, ORCID Icon, , & ORCID Icon
Pages 3351-3363 | Published online: 29 Sep 2020
 

Abstract

The gut microbiota is symbiotic with the human host and has been extensively studied in recent years resulting in increasing awareness of the effects of the gut microbiota on human health. In this review, we summarize the current evidence for the effects of gut microbes on the integrity of the cerebral blood–brain barrier (BBB), focusing on the pathogenic impact of gut microbiota disorders. Based on our description and summarization of the effects of the gut microbiota and its metabolites on the nervous, endocrine, and immune systems and related signaling pathways and the resulting destruction of the BBB, we suggest that regulating and supplementing the intestinal microbiota as well as targeting immune cells and inflammatory mediators are required to protect the BBB.

Disclosure

The authors have declared that they do not have competing interests for this work.