Cited by 183Gut microbiota and healthAlcohol Consumption and Health EffectsLiver Disease and Transplantation

Alcohol or gut microbiota: who is the guilty?

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Meroni, Marica, Longo, Miriam, Dongiovanni, Paola·2019·International Journal of Molecular Sciences

Abstract

Alcoholic liver disease (ALD), a disorder caused by excessive alcohol intake represents a global health care burden. ALD encompasses a broad spectrum of hepatic injuries including asymptomatic steatosis, alcoholic steatohepatitis (ASH), fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). The susceptibility of alcoholic patients to develop ALD is highly variable and its progression to more advanced stages is strongly influenced by several hits (i.e., amount and duration of alcohol abuse). Among them, the intestinal microbiota and its metabolites have been recently identified as paramount in ALD pathophysiology. Ethanol abuse triggers qualitative and quantitative modifications in intestinal flora taxonomic composition, mucosal inflammation, and intestinal barrier derangement. Intestinal hypermeability results in the translocation of viable pathogenic bacteria, Gram-negative microbial products, and pro-inflammatory luminal metabolites into the bloodstream, further corroborating the alcohol-induced liver damage. Thus, the premise of this review is to discuss the beneficial effect of gut microbiota modulation as a novel therapeutic approach in ALD management.

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Authors
Meroni, M., Longo, M., & Dongiovanni, P.
Affiliations
  • University of Milan (IT)
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (IT)
Corresponding author
Dongiovanni, Paola
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2019-09-14
Volume
20
Issue
18
Pages
4568
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2973158453
Cited by
183
References
141
Citations by year
2026: 17 · 2025: 13 · 2024: 40 · 2023: 29 · 2022: 28 · 2021: 34 · 2020: 19 · 2019: 2 · 2017: 1
FWCI
1.83
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
  • Health Sciences › Medicine › Hepatology › Liver Disease and Transplantation
Keywords
alcoholic liver disease, gut microbiota, intestinal permeability, bacterial translocation, ethanol, alcoholic steatohepatitis, hepatocellular carcinoma, gut-liver axis, microbial metabolites, mucosal inflammation, microbiota-based therapy
MeSH terms
Gastrointestinal Microbiome, Fecal Microbiota Transplantation, Alcoholism, Animals, Anti-Bacterial Agents, Bile Acids and Salts, Diet, Humans, Intestines, Liver, Liver Diseases, Alcoholic, Dietary Supplements, Hepatocytes, Dysbiosis

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