Cited by 270Gut microbiota and healthGastrointestinal motility and disordersParkinson's Disease Mechanisms and Treatments

Interplay among gut microbiota, intestinal mucosal barrier and enteric neuro-immune system: a common path to neurodegenerative diseases?

Pellegrini, Carolina, Antonioli, Luca, Colucci, Rocchina, Blandizzi, Corrado, Fornai, Matteo·2018·Acta Neuropathologica

Abstract

Neurological diseases, such as Parkinson's disease, Alzheimer's disease, amyotrophic lateral sclerosis (ALS) and multiple sclerosis, are often associated with functional gastrointestinal disorders. These gastrointestinal disturbances may occur at all stages of the neurodegenerative diseases, to such an extent that they are now considered an integral part of their clinical picture. Several lines of evidence support the contention that, in central neurodegenerative diseases, changes in gut microbiota and enteric neuro-immune system alterations could contribute to gastrointesinal dysfunctions as well as initiation and upward spreading of the neurologic disorder. The present review has been intended to provide a comprehensive overview of the available knowledge on the role played by enteric microbiota, mucosal immune system and enteric nervous system, considered as an integrated network, in the pathophysiology of the main neurological diseases known to be associated with intestinal disturbances. In addition, based on current human and pre-clinical evidence, our intent was to critically discuss whether changes in the dynamic interplay between gut microbiota, intestinal epithelial barrier and enteric neuro-immune system are a consequence of the central neurodegeneration or might represent the starting point of the neurodegenerative process. Special attention has been paid also to discuss whether alterations of the enteric bacterial-neuro-immune network could represent a common path driving the onset of the main neurodegenerative diseases, even though each disease displays its own distinct clinical features.

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Crossref · 10.1007/s00401-018-1856-5

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115 of 115 references verified0 citation errors · 0 not checkable

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  • Lack of a "healthy" microbiota is associated with many forms of disease, including metabolic diseases, gastrointestinal cancer, inflammatory bowel disease, renal disease, and neurodegenerative diseases associated with aging.

    “Lack of a “healthy” microbiota is associated with many forms of disease (19–24), such as metabolic diseases (obesity, type 2 diabetes), gastrointestinal cancer, inflammatory bowel disease, and renal disease, as well as neurodegenerative diseases (NDs) associated with aging, in which the activity and composition of the gut microbiota change during the life cycle.”
  • The intestinal microbiota and its metabolites can produce serotonin, norepinephrine, and GABA through stimulation of intestinal chromogranin cells, and these neurotransmitters can reach the brain and directly affect central nervous system function through the intestinal epithelium or the blood-brain barrier.

    “The intestinal microbiota and its metabolites (e.g., SCFAs) can also produce serotonin, norepinephrine, and GABA through stimulation of intestinal chromogranin cells (52), and these neurotransmitters can reach the brain and directly affect central nervous system function through the intestinal epithelium or the BBB (24).”
  • Pathological changes in the composition of the intestinal microbiota can lead to disruption of the intestinal epithelial barrier and increased mucosal permeability.

    “Studies have shown (24) that pathological changes in the composition of the intestinal microbiota can lead to disruption of the intestinal epithelial barrier and increased mucosal permeability.”

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Authors
Pellegrini, C., Antonioli, L., Colucci, R., Blandizzi, C., & Fornai, M.
Affiliations
  • University of Pisa (IT)
  • University of Padua (IT)
Corresponding author
Pellegrini, Carolina
Venue
Acta Neuropathologica
Published
2018-05-24
Volume
136
Issue
3
Pages
345-361
ISSN
  • 0001-6322 (ISSN-L)
  • 1432-0533
OpenAlex
W2803442844
Cited by
270
References
115
Citations by year
2026: 18 · 2025: 34 · 2024: 57 · 2023: 39 · 2022: 29 · 2021: 40 · 2020: 29 · 2019: 20 · 2018: 4
FWCI
2.28
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Neuropathologica (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
Keywords
gut microbiota, intestinal barrier, neurodegenerative diseases, Parkinson's disease, Alzheimer's disease, amyotrophic lateral sclerosis, multiple sclerosis, gastrointestinal dysfunction, enteric nervous system, intestinal epithelium
MeSH terms
Gastrointestinal Microbiome, Animals, Humans, Intestinal Mucosa, Enteric Nervous System, Neurodegenerative Diseases

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