期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 129, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2020.110365
关键词
Osteoporosis; YAP1; ceRNA; circRNA; Wnt/beta-catenin pathway
资金
- Guangdong Medical Research Fund [A2014030]
Background: Osteoporosis is a systemic bone disease resulting from decreased bone mass and bone microstructure degeneration. Yes-associated protein 1 (YAP1) belongs to YAP family and plays a significant part in controlling bone quality. Aim of the study: Present study aimed to study the function and up-stream mechanism of YAP1 in the differentiation of BMSCs (bone marrow stromal cells) and MC3T3-E1. Methods: ALP staining, alizarin red staining and western blot analysis of osteogenic biomarkers determined osteogenic differentiation in BMSCs and MC3T3-E1. Mechanistic assays including luciferase reporter assay, RIP assay and RNA pull down assay disclosed the interplays between RNAs. Results: YAP1 promoted osteogenic differentiation of BMSCs and MC3T3-E1. Circ_0024097 originated from YAP1 sponged miR-376b-3p to elevate YAP1 expression in BMSCs and MC3T3-E1. Further, YAP1 mediated circ_0024097- promoted effects on osteogenic differentiation. Moreover, circ_0024097 activated Wnt/beta-catenin pathway to facilitate osteogenic differentiation. Conclusion: It was firstly uncovered in present study that circ_0024097 attenuated osteoporosis through promoting osteogenic differentiation via miR-376b-3p/YAP1 axis and Wnt/beta-catenin pathway.
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