Alteration of circular RNA expression in rat dental follicle cells during osteogenic differentiation

Circular RNAs (circRNAs) are novel noncoding RNAs and play crucial roles in various biological processes. However, little is known about the functions of circRNAs in osteogenic differentiation. The current study aimed to investigate the differential expression of circRNAs in rat dental follicle cells (rDFCs) during osteogenic differentiation, identified by RNA high‐throughput sequencing and quantitative real‐time polymerase chain reaction. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed to further explore the biofunctions of circRNA biofunctions. Two hundred sixty‐six differentially‐expressed circRNAs that are involved in several important signaling pathways, including mitogen‐activated protein kinases (MAPK) and transforming growth factor‐β (TGF‐β) signaling pathways were revealed. Among these, circFgfr2 and its predicted downstream targets, miR‐133 and BMP6 (bone morphogenetic protein‐6), were identified both in vivo and in vitro. For further validation, circFgfr2 was overexpressed in rDFCs, the results showed that the expression of miR‐133 was downregulated and the expression of BMP6 was upregulated. Taken together, the results revealed the circRNA expression profiles and indicated the importance of circRNAs of rDFCs. In addition, circFgfr2 might promote osteogenesis by controlling miR‐133/BMP6, which is a potential new target for the manipulation of tooth regeneration and bone formation.

• Publication year

  2019

• Venue

  Journal of Cellular Biochemistry

• Publication date

  2019-08-01

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.1002/jcb.28603PMID 30916823
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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