ArticleBMC oral health2024
Effect of autophagy on aging-related changes in orthodontic tooth movement in rats.
Article in BMC oral health, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Differences in orthodontic pain-related behavior between adolescent and adult rats.Journal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie · 2026Article
- Effect of Mitophagy on the Tension-Driven Osteogenic Differentiation of Periodontal Ligament Stem Cells During Ageing.International dental journal · 2026Article
- Cell Death in Orthodontic Tooth Movement: Recent Advances and Emerging Insights.International journal of molecular sciences · 2026Review
- Recent Advances in the Role of Osteocytes in Orthodontic Tooth Movement.International journal of molecular sciences · 2025Review
- Shaping Orthodontics of the Future: Concepts and Implications from a Cellular and Molecular Perspective.International journal of molecular sciences · 2025Review
- Autophagy in orthodontic tooth movement: advances, challenges, and future perspectives.Molecular medicine (Cambridge, Mass.) · 2025Review
- Serum Starvation Regulates Autophagy of Human Periodontal Ligament Cells Through Reactive Oxygen Species Mediated Adenosine Monophosphate-Activated Protein Kinase/Mechanistic Target of RAPAMYCIN Axis.International dental journal · 2025Article
- Effect of Simvastatin Combined with Photobiomodulation Therapy on Orthodontic Tooth Movement and the Expression of Metalloproteinases and Inhibitors - An Experimental Study.Lasers in medical science · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundThe number of adult orthodontic patients is increasing, and studies have shown that autophagy is involved in regulating orthodontic tooth movement and plays an important role in aging-related changes. Therefore, we aimed to explore the role of autophagy in aging-related changes during orthodontic tooth movement by establishing a rat orthodontic tooth movement model.
methodsForty-five 6-week-old and sixty-five 8-month-old male Sprague-Dawley rats were selected to represent adolescents and adults and establish orthodontic tooth movement model. They were sacrificed on days 0,1,3,7 and 14. Immunohistochemistry, immunofluorescence and tartrate resistant acid phosphatase (TRAP) staining were applied to measure the expression level of osteogenesis, autophagy, aging factors and osteoclast number in periodontal membrane of left upper first molar during orthodontic tooth movement. Then, we regulated the autophagy level by injecting autophagy activator rapamycin during orthodontic tooth movement and measured these factors and tooth movement distance by micro-computed tomography.
resultsAging factor levels in the periodontal membrane were higher in adult rats than in adolescent rats and the autophagy factor levels were lower. The levels of osteogenic factors were lower on the tension side in adult rats than in adolescent rats. The peak osteoclast number on the pressure side occurred later in adult rats than in adolescent rats. The injection of rapamycin increased autophagy, accelerated orthodontic tooth movement in adult rats, and reduced the levels of aging factors. The levels of osteogenic factors were higher and reached those in adolescent rats at some time points. The number of osteoclasts increased significantly in the early stage.
conclusionsAutophagy may play a substantial role in regulating aging-related changes in orthodontic tooth movement.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.