Cited by 33Sepsis Diagnosis and TreatmentGut microbiota and healthGastrointestinal motility and disorders

Effect of dietary cellulose supplementation on gut barrier function and apoptosis in a murine model of endotoxemia

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Di Caro, Valentina, Alcamo, Alicia M., Cummings, Jessica L., Clark, Robert S. B., Novak, Elizabeth A., Mollen, Kevin P., Morowitz, Michael J., Aneja, Rajesh K.·2019·PLoS ONE

Abstract

The gut plays a vital role in critical illness, and alterations in the gut structure and function have been reported in endotoxemia and sepsis models. Previously, we have demonstrated a novel link between the diet-induced alteration of the gut microbiome with cellulose and improved outcomes in sepsis. As compared to mice receiving basal fiber (BF) diet, mice that were fed a non-fermentable high fiber (HF) diet demonstrated significant improvement in survival and decreased organ injury in both cecal-ligation and puncture (CLP) and endotoxin sepsis models. To understand if the benefit conferred by HF diet extends to the gut structure and function, we hypothesized that HF diet would be associated with a reduction in sepsis-induced gut epithelial loss and permeability in mice. We demonstrate that the use of dietary cellulose decreased LPS-mediated intestinal hyperpermeability and protected the gut from apoptosis. Furthermore, we noted a significant increase in epithelial cell proliferation, as evidenced by an increase in the percentage of bromodeoxyuridine-positive cells in HF fed mice as compared to BF fed mice. Thus, the use of HF diet is a simple and effective tool that confers benefit in a murine model of sepsis, and understanding the intricate relationship between the epithelial barrier, gut microbiota, and diet will open-up additional therapeutic avenues for the treatment of gut dysfunction in critical illness.

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  • Dietary cellulose supplements can ameliorate LPS-mediated intestinal barrier damage and protect against gut epithelial apoptosis.

    “Dietary cellulose supplements also can ameliorate LPS-mediated intestinal barrier damage and protect against gut epithelial apoptosis.205”

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Authors
Di Caro, V., Alcamo, A. M., Cummings, J. L., Clark, R. S. B., Novak, E. A., Mollen, K. P., Morowitz, M. J., & Aneja, R. K.
Affiliations
University of Pittsburgh (US)
Corresponding author
Aneja, Rajesh K.
Venue
PLoS ONE
Published
2019-12-02
Volume
14
Issue
12
Pages
e0224838
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2992376566
Cited by
32
References
38
Citations by year
2026: 4 · 2025: 3 · 2024: 3 · 2023: 2 · 2022: 17 · 2021: 2 · 2020: 1
FWCI
3.80
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Institutes of Health (R01GM098474)
Topics
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
Keywords
dietary cellulose, high-fiber diet, intestinal barrier, intestinal permeability, apoptosis, endotoxemia, sepsis, gut microbiota, epithelial cell proliferation, lipopolysaccharide, cecal ligation and puncture, critical illness, dietary fiber
MeSH terms
Gastrointestinal Microbiome, Animals, Cellulose, Disease Models, Animal, Gene Expression Regulation, Intestinal Mucosa, Male, Mice, Inbred C57BL, Permeability, Apoptosis, Endotoxemia, Dietary Supplements, Cell Proliferation, Mice, Tight Junction Proteins

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