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September 23, 2025

Breast-milk Lacticaseibacillus gasseri FN136 alleviates DSS-induced ulcerative colitis through microbiota-independent metabolite–host interactions

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Authors

QLQingcui LiWWWenhao WangFZFan Zhou

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Overview

In vivo results show Lacticaseibacillus gasseri FN136 improves DSS-induced ulcerative colitis, indicating a postbiotic role beyond microbiota.

Key Points

  • Lacticaseibacillus gasseri FN136 significantly reduces DSS-induced ulcerative colitis symptoms.
  • Oral administration of FN136 restored serum l-arginine and increased splenic Treg frequency by 42%.
  • Histopathological analysis demonstrates preserved gut architecture and reduced inflammatory markers.
  • 16S rRNA sequencing shows FN136's effects are microbiota-independent, suggesting a novel postbiotic mechanism.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68d43d6f713b0b5dfea7d319https://doi.org/10.21203/rs.3.rs-7525483/v1
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