Abstract:
:Circular RNAs (circRNAs) play critical roles in signal transduction during cell proliferation, differentiation, and apoptosis in a posttranscriptional manner. Recently, circRNAs have been proved to be a large class of animal RNAs with regulatory potency. However, whether circRNAs can respond to mechanical force (MF) and impact on human periodontal ligament stem cells (PDLSCs) and the orthodontic tooth movement (OTM) process remain unknown. Here, we investigated the circRNAs expression patterns in PDLSCs induced by MF and found that circRNAs were responsive to the MF in PDLSCs. Through the valid reads' distribution analysis, we found that the majority of reads in both the control PDLSCs and the MF-induced PDLSCs were distributed in exons. Then we analyzed Gene Ontology terms of genes that overlap with or are neighbors of the stress-responsive circRNAs and found unique enrichment patterns in biological processes, molecular function, and cellular component of PDLSCs. Next, we predicted the possible functions of circRNAs through circRNAs-miRNAs networks. We found that one circRNA may regulate one or several miRNA/miRNAs and one miRNA may interact with one or multiple circRNA/circRNAs. Importantly, a number of circRNAs were predicted to directly or indirectly regulate miRNAs-mediated osteogenic differentiation in mesenchymal stem cells. For instance, circRNA3140 was highly and widely associated with microRNA-21, which plays a critical role in MF-induced osteogenic differentiation of PDLSCs. Taken together, these findings reveal a previously unrecognized mechanism that MF can induce the expression changes of circRNAs in PDLSCs, which may modulate the OTM process and the alveolar bone remodeling.
journal_name
J Cell Physioljournal_title
Journal of cellular physiologyauthors
Wang H,Feng C,Jin Y,Tan W,Wei Fdoi
10.1002/jcp.27686subject
Has Abstractpub_date
2019-07-01 00:00:00pages
10166-10177issue
7eissn
0021-9541issn
1097-4652journal_volume
234pub_type
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