Analysis of Fecal Metagenomics and Plasma Metabolomics Uncovers Alterations in Gut Microbiota and Plasma Metabolite Profiles in Rats Experiencing Diarrhea Induced by Abemaciclib - Summary - MDSpire

Analysis of Fecal Metagenomics and Plasma Metabolomics Uncovers Alterations in Gut Microbiota and Plasma Metabolite Profiles in Rats Experiencing Diarrhea Induced by Abemaciclib

  • By

  • Ling Ye

  • Li Cao

  • Qiong Du

  • Rui Xu

  • Yu Han

  • Jiyong Liu

  • January 19, 2026

  • 0 min

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Objective:

To investigate the alterations in gut microbiota composition and plasma metabolites in rats experiencing diarrhea induced by abemaciclib, highlighting the significance of these changes for patient management.

Key Findings:
  • Diarrhea severity was assessed using a four-grade scoring system, with high-dose rats developing Grade 3 diarrhea.
  • Alterations in gut microbiota, including a decrease in Firmicutes and an increase in Bacteroidetes, and specific plasma metabolites were observed in rats with abemaciclib-induced diarrhea.
Interpretation:

The study highlights the significant impact of abemaciclib on gut microbiota and plasma metabolite profiles, which may contribute to the understanding of diarrhea as a side effect and inform treatment strategies.

Limitations:
  • The study was conducted on a small sample size of rats.
  • Findings may not directly translate to human patients.
  • Lack of long-term follow-up on the effects of abemaciclib-induced diarrhea.
Conclusion:

Understanding the changes in gut microbiota and metabolites can inform strategies to manage abemaciclib-induced diarrhea and improve patient outcomes, emphasizing the need for further research to validate these findings.

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