期刊
MOLECULAR MEDICINE REPORTS
卷 22, 期 3, 页码 1737-1746出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr.2020.11264
关键词
circRNA; osteopontin; collagen type XV alpha 1 chain; osteoblast differentiation; mineralization
资金
- Science & Technology Bureau of Guangdong Province [2017A050501041, 2018B050502012]
- National Key R&D Program of China [2018YFB1106903]
Circular RNAs (circRNAs) are a class of non-coding RNAs that exhibit important regulatory roles in various biological processes. However, the role of circRNAs and their potential role in osteoblast differentiation and mineralization is unclear. The aim of the present study was to investigate the expression of mmu_circ_003795 and its effect on collagen type XV alpha 1 chain (COL15A1). First, it was identified that the expression levels of mmu_circ_003795 and osteopontin (OPN) were upregulated in the induced cells. Silencing of mmu_circ_003795 reduced the gene and protein levels of COL15A1 and OPN, whereas the expression level of mmu-microRNA (miR)-1249-5p was upregulated. In addition, after 7 or 14 days of induction, alkaline phosphatase and Alizarin Red-S staining were decreased in the mmu_circRNA_003795 inhibitory group compared with the negative control group. In conclusion, mmu_circ_003795 may regulate osteoblast differentiation and mineralization in MC3T3-E1 and MDPC23 cells via mmu-miR-1249-5p by targeting COL15A1.
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