Clopidogrel Enhances Mesenchymal Stem Cell Proliferation Following Periodontitis.
L S Coimbra1, J P Steffens1, S Alsadun2
1Department of Physiology and Pathology, Faculdade de Odontologia de Araraquara, UNESP-Univ Estadual Paulista-Araraquara, São Paulo, Brazil.
Journal of Dental Research
|July 30, 2015
Summary
Clopidogrel significantly reduced inflammation and increased bone-forming cells, including mesenchymal stem cells (MSCs), during periodontal repair in rats. Aspirin showed no significant effect, suggesting clopidogrel aids MSC-driven tissue regeneration.
Area of Science:
- Biomedical Science
- Regenerative Medicine
- Periodontology
Background:
- Mesenchymal stem cells (MSCs) are crucial for bone formation and tissue repair, migrating to injured sites like the periodontium.
- MSCs differentiate into osteoblasts, reduce inflammation, and secrete tissue-stimulating factors.
Purpose of the Study:
- To investigate the effects of clopidogrel and aspirin on MSCs and osteoblasts during periodontal regeneration.
- To elucidate the potential of these drugs in enhancing bone formation following periodontal injury.
Main Methods:
- Periodontitis was induced in rats using ligatures.
- The impact of clopidogrel and aspirin administration (before and after induction) on MSCs and osteoblasts was assessed.
- In vitro and in vivo MSC proliferation assays were conducted.
Main Results:
- Clopidogrel, administered after ligature removal, significantly reduced inflammatory infiltrate and increased osteoblast and MSC numbers.
- Clopidogrel enhanced MSC proliferation both in vivo and in vitro.
- Aspirin did not yield significant effects on the measured parameters.
- Pre-treatment with clopidogrel showed minimal impact on MSCs and osteoblasts.
Conclusions:
- Clopidogrel demonstrates a positive effect on mesenchymal stem cells during the initiation of a reparative process in periodontal disease.
- These findings suggest clopidogrel's potential therapeutic role in promoting periodontal regeneration by modulating MSC activity.
