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TRAF-STOP alleviates osteoclastogenesis in periodontitis
Yaxian Huang1, Jinyan Wu1,1, Chi Zhan1
1Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, Guangzhou, China.
Frontiers in Pharmacology
|June 1, 2023
Summary
This study reveals that CD40L-CD40-TRAF6 signaling drives osteoclast formation in periodontitis. Inhibiting TRAF6 with TRAF-STOP effectively reduces bone loss, offering a potential treatment for periodontitis.
Area of Science:
- Oral biology
- Immunology
- Pharmacology
Background:
- Periodontitis involves enhanced osteoclastogenesis, leading to alveolar bone resorption and tooth loss.
- The CD40L-CD40-TRAF6 signaling pathway's role in periodontitis-related osteoclast activity remains unclear.
Purpose of the Study:
- To investigate the role of CD40L-CD40-TRAF6 signaling in periodontitis-induced osteoclastogenesis.
- To evaluate the therapeutic potential of TRAF6 inhibition for periodontitis.
Main Methods:
- Assessed CD40L's effect on osteoclast formation and bone resorption in vitro.
- Investigated the involvement of NFATc1 and NF-κB pathways.
- Utilized TRAF-STOP, a TRAF6 inhibitor, and PLGA-PEG-PLGA hydrogel for in vivo studies.
Main Results:
- CD40L significantly promoted osteoclast formation and bone resorption in vitro.
- Osteoclastogenesis was enhanced by NFATc1 overexpression and NF-κB activation.
- TRAF-STOP effectively suppressed osteoclast activity, and its hydrogel formulation alleviated periodontitis in vivo.
Conclusions:
- CD40L-CD40-TRAF6 signaling plays a key role in periodontitis-associated osteoclastogenesis.
- TRAF-STOP demonstrates significant potential as a therapeutic agent for periodontitis by inhibiting osteoclast activity.
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