Abstract:
Objective:The objective of this study is to evaluate the effect of simvastatin on the jaw bone microstructural defect and autophagy in rats with high cholesterol diet (HCD). Methods:Male Sprague-Dawley rats were fed a standard rodent chow (NC group) or a high cholesterol diet for 32 weeks and the HCD-fed rats were treated with vehicle (HC group) or simvastatin (5 mg/kg orally daily for 8 weeks, HC + SIM group, and n = 10/group). The static histomorphometric changes in the jaw bone tissues in individual rats were evaluated. The relative levels of OPG, RANKL, NF-κB, LC3, and p62 in the jaw bone tissues were determined by quantitative RT-PCR and/or immunohistochemistry. Results:Compared with the NC group, the HC groups had lower trabecular bone volume, trabecular thickness and trabecular number, and increased ratios of RANKL/OPG in the jaw bone, accompanied by enhanced NF-κB activation and autophagy. Simvastatin treatment inhabited these changes, including the decreased levels of serum proinflammatory cytokines and increased autophagy. Conclusion:Simvastatin treatment could inhibit the hyperlipidemia-induced jaw bone microstructural defect in rats by increasing autophagic flux.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Zhou J,Gao X,Huang S,Ma L,Cui Y,Wang H,Qiu J,Wang L,Dong Q,Chen Z,Wang X,Zhang Ddoi
10.1155/2018/4147932subject
Has Abstractpub_date
2018-06-27 00:00:00pages
4147932eissn
2314-6133issn
2314-6141journal_volume
2018pub_type
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