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10:49
Doxycycline Loaded Collagen-Chitosan Composite Scaffold for the Accelerated Healing of Diabetic Wounds
Published on: August 21, 2021
Doxycycline [corrected] inhibits mononuclear cell-mediated connective tissue breakdown
Ying Gu1, Hsi-Ming Lee, Timo Sorsa
1Department of General Dentistry, Stony Brook University, Stony Brook, NY, USA. yigu@notes.cc.sunysb.edu
FEMS Immunology and Medical Microbiology
|November 14, 2009
Summary
Doxycycline, an antibiotic, can non-antibiotically reduce chronic inflammation by inhibiting tissue breakdown. This may lower risks for systemic diseases like cardiovascular disease linked to periodontitis.
Area of Science:
- Periodontology
- Immunology
- Pharmacology
Background:
- Chronic periodontitis is a prevalent inflammatory disease linked to systemic conditions like cardiovascular disease (CVD).
- Periodontal pathogens release endotoxins, promoting inflammation and tissue destruction via cytokines and matrix metalloproteinases (MMPs).
Purpose of the Study:
- To investigate the non-antibiotic effects of doxycycline on extracellular matrix degradation in monocytes/macrophages.
- To elucidate the mechanisms by which doxycycline exerts its anti-inflammatory actions.
Main Methods:
- Utilized cell culture models with human peripheral blood-derived monocytes/macrophages.
- Assessed the impact of doxycycline on cytokine and MMP-9 levels and collagenase/MMP-9 activity.
Main Results:
- Doxycycline inhibited extracellular matrix degradation mediated by monocytes/macrophages.
- Observed downregulation of cytokine and MMP-9 protein levels.
- Demonstrated inhibition of collagenase and MMP-9 activities.
Conclusions:
- Doxycycline exhibits non-antibiotic, pleiotropic effects that inhibit inflammatory processes.
- These mechanisms contribute to doxycycline's therapeutic potential in chronic inflammatory diseases like periodontitis.
- Doxycycline may reduce systemic disease risks associated with chronic inflammation.
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