Trained immunity as a systemic bridge: the liver-gut-immune-oral axis in the comorbidity of chronic liver disease and periodontitis - Summary - MDSpire

Trained immunity as a systemic bridge: the liver-gut-immune-oral axis in the comorbidity of chronic liver disease and periodontitis

  • By

  • Xiang Li

  • Guodong Lv

  • Daolang Yuan

  • Jun Hu

  • Wenrong Lou

  • Yulin Tu

  • Jing Zhou

  • Rong Qin

  • June 4, 2026

  • 0 min

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Objective:

To examine the role of trained immunity (TI) in chronic liver diseases and periodontitis, linking these comorbidities through the 'Liver-Gut-Immune-Oral Axis.'

Key Findings:
  • Trained immunity allows innate immune cells to acquire long-term functional memory through metabolic and epigenetic reprogramming.
  • Chronic liver diseases and periodontitis coexist and may exacerbate each other, as suggested by current evidence.
  • Both conditions share metabolic-epigenetic reprogramming circuits.
Interpretation:

Limitations:
  • The pathways are inferred from separate bodies of literature rather than multimodal cohort studies, highlighting the need for empirical validation.
  • The relative contribution of trained immunity versus other mechanisms varies by disease stage and etiology, as noted in the literature.
Conclusion:

Original Source(s)

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