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Poria cocos polysaccharides as a carbon source promotes the proliferation of Parabacteroides distasonis to ameliorate ulcerative colitis: A mechanistic study based on the secondary bile acid-TGR5 axis.
International journal of biological macromolecules

Cure8 research brief

Poria cocos polysaccharides as a carbon source promotes the proliferation of Parabacteroides distasonis to ameliorate ulcerative colitis: A mechanistic study based on the secondary bile acid-TGR5 axis.

2 min read

Why This Matters

Findings suggest a dietary-derived prebiotic (Poria cocos polysaccharides) may reduce experimental colitis by shifting the microbiome and bile acids toward anti-inflammatory signaling—an avenue that could inform future microbiome-targeted therapies for UC.

Who Should Pay Attention

Researchers studying microbiome–bile-acid interactions, basic-science clinicians interested in IBD mechanisms, and patients curious about prebiotics and microbiome research (note: preclinical evidence only).

Study Snapshot

Story typeResearch paper
Evidence typeResearch paper
Source depthJournal abstract

What To Know

PCP is a fungal polysaccharide studied here as a dietary/prebiotic intervention in experimental ulcerative colitis models. In mice and laboratory assays it promoted growth of P.

distasonis, increased bile salt hydrolase activity and certain secondary bile acids, and engaged TGR5-related signaling that the authors link to reduced inflammation and improved gut barrier/histology. This report is grounded in the article abstract and experimental models (mouse DSS colitis, in vitro growth assays, metabolomics).

It does not present human clinical trial data. It suggests a mechanistic pathway rather than clinical efficacy in patients. Practical point: the paper frames PCP as a candidate prebiotic to modulate the microbiome–bile acid–TGR5 axis; however, translation to human treatment remains untested in this report.

Keep In Mind

This is an abstract-level summary of preclinical work (mouse models and in vitro studies). The study does not provide human clinical data; effects in people, appropriate dosing, safety, and long-term outcomes are not addressed. that DSS mouse colitis and microbiome findings may not directly translate to human UC.

Source Details

Review the original publication for the complete reporting, methods, and context.

Read Original Source
Research paper Evidence type derived from source or registry metadata.
PublicationInternational journal of biological macromolecules
AuthorsZhang Y, Fang Y, Chen Y +10 more
Study typeIm, journal article
Indexed viaEurope PMC
Source typeResearch paper
PublishedOct 25, 2025, 12:00 AM
Content availableJournal abstract

This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.

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