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The Bell BriefFrom Dr. Jennifer Bell, DDS
HIGHClinicalTier 1

Porphyromonas gingivalis Drives Trained Immunity via the Glycolysis–SIRT1 Axis to Aggravate Colitis

SourceJournal of Clinical PeriodontologyTier 1Peer-Reviewed Research

By Bin Lu, Hanxin Que, Tianhao Chen, Pengcheng Ye, Mengting Wu, Li Yu, Fangchun Shou, Chengxiang Luo, Junjie Bao, Chenyue Jiang, Cheng Zheng, Yi Wang, Hui Deng

Originally at onlinelibrary.wiley.com

Summary & scoring by The Bell Brief (Dr. Jennifer Bell) using the Drill-Down Protocol (Drill-Down Score) — not the original publisher.

Why it matters for dental

This study directly links the key periodontal pathogen P. gingivalis to systemic immune reprogramming that can worsen inflammatory bowel disease, giving practice owners and specialists treating patients with comorbidities a concrete reason to prioritize aggressive periodontal therapy to mitigate extra-oral inflammatory burden.

Key points

  • P. gingivalis induces trained immunity through a glycolysis–SIRT1 pathway, shifting immune cells to a pro-inflammatory phenotype that persists after the initial infection clears.
  • The trained-immunity effect amplified DSS-induced colitis severity in the mouse model, illustrating a mechanistic pathway by which untreated periodontitis may exacerbate GI disease.
  • Findings reinforce the need for interdisciplinary care plans that include both periodontal and GI specialists for patients with IBD or other chronic inflammatory conditions.
  • Published in the Journal of Clinical Periodontology (EarlyView), the data add weight to the medical–dental integration argument when discussing treatment urgency with patients who have overlapping inflammatory diagnoses.

Who should care

SpecialistOwner

Read the original on Journal of Clinical Periodontology

Full reporting and any paywall content live on onlinelibrary.wiley.com. We summarize and score; we do not republish.

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