YAP's Role in Bone Remodeling During Orthodontic Tooth Movement
Author Information
Author(s): Deng Jie, Zhang Yu-Ning, Bai Ru-Shui, Yu Ting-Ting, Zhao Yi, Liu Hao, Zhang Yun-Fan, Xu Tian-Min, Han Bing
Primary Institution: Peking University School and Hospital of Stomatology
Hypothesis
This study aims to elucidate the relationship between mechanotransduction and mechanical force-induced alveolar bone remodeling during orthodontic tooth movement.
Conclusion
YAP mediates alveolar bone remodeling through NF-κB p65-induced osteoclastogenesis during orthodontic tooth movement.
Supporting Evidence
- YAP expression peaks on days 1 and 14 during orthodontic tooth movement.
- Compression and tension both activate osteoclasts in the alveolar bone.
- RNA-sequencing revealed increased NF-κB signaling during early stages of bone remodeling.
- Different force magnitudes significantly affect the distance of tooth movement.
- YAP inhibition delayed orthodontic tooth movement by impairing osteoclastic activities.
Takeaway
When teeth are moved, a special protein called YAP helps control how bone changes shape, making it easier for teeth to shift.
Methodology
The study involved applying different mechanical forces to rats' molars and analyzing the resulting bone remodeling and cellular responses.
Potential Biases
Potential bias due to the use of a single animal model and the effects of verteporfin.
Limitations
Verteporfin, a YAP inhibitor, may affect various cellular processes, including autophagy and cell proliferation.
Participant Demographics
130 male SD rats, aged 21 days.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website