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The Role of Intestinal Microbiota in the Development and Severity of Chemotherapy-Induced Mucositis

Open access
van Vliet, Michel J., Harmsen, Hermie J. M., de Bont, Eveline S. J. M., Tissing, Wim J. E.·2010·PLoS Pathogens

Abstract

Mucositis, also referred to as mucosal barrier injury, is one of the most debilitating side effects of radiotherapy and chemotherapy treatment. Clinically, mucositis is associated with pain, bacteremia, and malnutrition. Furthermore, mucositis is a frequent reason to postpone chemotherapy treatment, ultimately leading towards a higher mortality in cancer patients. According to the model introduced by Sonis, both inflammation and apoptosis of the mucosal barrier result in its discontinuity, thereby promoting bacterial translocation. According to this five-phase model, the intestinal microbiota plays no role in the pathophysiology of mucositis. However, research has implicated a prominent role for the commensal intestinal microbiota in the development of several inflammatory diseases like inflammatory bowel disease, pouchitis, and radiotherapy-induced diarrhea. Furthermore, chemotherapeutics have a detrimental effect on the intestinal microbial composition (strongly decreasing the numbers of anaerobic bacteria), coinciding in time with the development of chemotherapy-induced mucositis. We hypothesize that the commensal intestinal microbiota might play a pivotal role in chemotherapy-induced mucositis. In this review, we propose and discuss five pathways in the development of mucositis that are potentially influenced by the commensal intestinal microbiota: 1) the inflammatory process and oxidative stress, 2) intestinal permeability, 3) the composition of the mucus layer, 4) the resistance to harmful stimuli and epithelial repair mechanisms, and 5) the activation and release of immune effector molecules. Via these pathways, the commensal intestinal microbiota might influence all phases in the Sonis model of the pathogenesis of mucositis. Further research is needed to show the clinical relevance of restoring dysbiosis, thereby possibly decreasing the degree of intestinal mucositis.

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Metadata

Authors
van Vliet, M. J., Harmsen, H. J. M., de Bont, E. S. J. M., & Tissing, W. J. E.
Venue
PLoS Pathogens
Published
2010-05-27
Volume
6
Issue
5
Pages
e1000879
ISSN
  • 1553-7366 (ISSN-L)
  • 1553-7374
OpenAlex
W2101154858
Cited by
436
References
13
FWCI
10.58
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: The Role of Intestinal Microbiota in the Development and Severity of Chemotherapy-Induced Mucositis. https://app.cochat.ai/papers/10.1371/journal.ppat.1000879
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van Vliet, M. J., Harmsen, H. J. M., de Bont, E. S. J. M., & Tissing, W. J. E. (2010). The Role of Intestinal Microbiota in the Development and Severity of Chemotherapy-Induced Mucositis. PLoS Pathogens. https://doi.org/10.1371/journal.ppat.1000879

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