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Nano-Driven Dual Ferroptosis Inhibition for Diabetic Periodontitis Therapy.

Z Zhao1,2, H Feng1, X Wang1

  • 1State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.

Journal of Dental Research
|February 11, 2026
PubMed
Summary
This summary is machine-generated.

Diabetic periodontitis is linked to ferroptosis, a cell death pathway. New FGZ nanoparticles effectively inhibit ferroptosis by targeting dual pathways, promoting periodontal tissue regeneration.

Keywords:
diabetes mellitusferrostatin-1galliumglutathioneiron overloadreactive oxygen species

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Periodontology

Background:

  • Diabetic periodontitis is a major public health concern, increasing systemic disease risk and posing therapeutic challenges.
  • Conventional treatments for diabetic periodontitis are often ineffective at addressing underlying molecular mechanisms.
  • Ferroptosis, an iron-dependent cell death, is increasingly recognized as a key factor in diabetic periodontitis pathology.

Purpose of the Study:

  • To develop a novel nanoplatform for effective ferroptosis inhibition in diabetic periodontitis.
  • To investigate the synergistic effects of gallium ions and ferrostatin-1 delivered via a bimetallic ZIF-8 nanoplatform (FGZ NPs).
  • To evaluate the therapeutic potential of FGZ NPs in promoting periodontal tissue regeneration.

Main Methods:

  • Engineered bimetallic ZIF-8 codelivery nanoplatform (FGZ NPs) for sustained release of gallium ions (Ga³⁺) and ferrostatin-1 (Fer-1).
  • Assessed the activation of the Nrf2/HO-1 cytoprotective pathway by FGZ NPs.
  • Evaluated the capacity of FGZ NPs to reestablish iron homeostasis and enhance antioxidant capacity for dual-pathway ferroptosis inhibition.
  • Quantified the therapeutic outcomes, including periodontal tissue regeneration, in a model of diabetic periodontitis.

Main Results:

  • FGZ NPs effectively inhibited ferroptosis through dual-pathway targeting, activating the Nrf2/HO-1 pathway.
  • The nanoplatform successfully reestablished iron homeostasis and bolstered antioxidant defenses.
  • FGZ NPs demonstrated significant promotion of damaged periodontal tissue regeneration.
  • The study highlights the limitations of single-pathway ferroptosis inhibitors.

Conclusions:

  • Ferroptosis is a validated therapeutic target for diabetic periodontitis.
  • The developed FGZ NPs offer a novel and effective strategy for dual-pathway ferroptosis inhibition.
  • This research provides a new design paradigm for biomaterials targeting ferroptosis-related diseases.