Cited by 288Cancer Immunotherapy and BiomarkersGut microbiota and healthImmunotherapy and Immune Responses

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Generation of systemic antitumour immunity via the in situ modulation of the gut microbiome by an orally administered inulin gel

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Abstract

The performance of immune-checkpoint inhibitors, which benefit only a subset of patients and can cause serious immune-related adverse events, underscores the need for strategies that induce T-cell immunity with minimal toxicity. The gut microbiota has been implicated in the outcomes of patients following cancer immunotherapy, yet manipulating the gut microbiome to achieve systemic antitumour immunity is challenging. Here we show in multiple murine tumour models that inulin-a widely consumed dietary fibre-formulated as a 'colon-retentive' orally administered gel can effectively modulate the gut microbiome in situ, induce systemic memory-T-cell responses and amplify the antitumour activity of the checkpoint inhibitor anti-programmed cell death protein-1 (α-PD-1). Orally delivered inulin-gel treatments increased the relative abundances of key commensal microorganisms and their short-chain-fatty-acid metabolites, and led to enhanced recall responses for interferon-γ+CD8+ T cells as well as to the establishment of stem-like T-cell factor-1+PD-1+CD8+ T cells within the tumour microenvironment. Gels for the in situ modulation of the gut microbiome may be applicable more broadly to treat pathologies associated with a dysregulated gut microbiome.

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Metadata

Authors
Han, K., Nam, J., Xu, J., Sun, X., Huang, X., Animasahun, O., Achreja, A., Jeon, J. H., Pursley, B., Kamada, N., Chen, G. Y., Nagrath, D., & Moon, J. J.
Affiliations
University of Michigan (US)
Corresponding author
Moon, James J.
Venue
Nature Biomedical Engineering
Published
2021-06-24
Volume
5
Issue
11
Pages
1377-1388
ISSN
2157-846X (ISSN-L)
OpenAlex
W3175731140
Cited by
287
References
41
Citations by year
2026: 61 · 2025: 77 · 2024: 60 · 2023: 45 · 2022: 36 · 2021: 8
FWCI
13.57
Type
journal article
Language
en
Open access
Locations
  • Nature Biomedical Engineering (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of Allergy and Infectious Diseases (R01AI127070)
  • U.S. Department of Health & Human Services | NIH | National Institute of Biomedical Imaging and Bioengineering (R01EB022563)
  • U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (R01DK125087)
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
inulin, gut microbiota modulation, antitumor immunity, immune checkpoint inhibitors, anti-PD-1 therapy, dietary fiber, short-chain fatty acids, memory T cells, CD8+ T cells, tumor microenvironment, cancer immunotherapy, commensal bacteria
MeSH terms
Gastrointestinal Microbiome, Animals, Gels, Humans, Immunotherapy, Inulin, CD8-Positive T-Lymphocytes, Mice

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