ArticleInternational dental journal2023
Circ_0099630 Participates in SPRY1-Mediated Repression in Periodontitis.
Article in International dental journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- circMYO9B affects the progression of periodontitis by targeting the miR-4731-5p/USP15 axis.Journal of periodontal & implant science · 2026Article
- Noncoding RNAs in periodontitis: Progress and perspectives (Review).International journal of molecular medicine · 2025Review
- Impacts of Circular RNAs on the Osteogenic Differentiation of Dental Stem Cells.Stem cells international · 2025Review
- M2 macrophage-derived exosomes enable osteogenic differentiation and inhibit inflammation in human periodontal ligament stem cells through promotion of CXCL12 expression.BMC oral health · 2024Article
- The Expression Patterns of Non-Coding RNAs in Periodontal Disease.Dentistry journal · 2024Review
- Hsa_circ_0099630 knockdown induces the proliferation and osteogenic differentiation and attenuates the apoptosis of porphyromonas gingivalis lipopolysaccharide-induced human periodontal ligament fibroblasts.Annals of translational medicine · 2022Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPeriodontitis is chronic inflammation that causes damage to periodontal tissues and cementum. It has been reported that circular RNA hsa_circ_0099630 (circ_0099630) was overexpressed in gingival samples from patients with periodontitis. However, the function of circ_0099630 on the osteogenic differentiation of periodontal ligament cells (PDLCs) in periodontitis remains unclear.
methodsPeriodontal ligaments from patients with periodontitis and third molars (termed wisdom teeth) were utilised to isolate inflamed PDLCs (iPDLCs) and healthy PDLCs (hPDLCs). Expression levels of circ_0099630 in isolated PDLCs were assessed using reverse transcription quantitative polymerase chain reaction (RT-qPCR). Effects of circ_0099630 overexpression and silencing on iPDLC viability, proliferation, and cycle progression were determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), 5-ethynyl-2'-deoxyuridine (EdU), and flow cytometry assays. The osteogenic differentiation was detected by analysing the alkaline phosphatase (ALP) activity, mineralisation amount, and osteogenic markers osterix (OSX), ALP, and RUNX2 in iPDLCs. The regulatory mechanism of circ_0099630 was predicted by bioinformatics analysis and validated by dual-luciferase reporter, RNA immunoprecipitation, and RNA pull-down assays.
resultsCirc_0099630 was underexpressed in iPDLCs compared to hPDLCs. Overexpression of circ_0099630 repressed iPDLC proliferation and osteogenic differentiation, but circ_0099630 silencing exerted an opposing effect. Mechanically, circ_0099630 sponged miR-212-5p to block the inhibiting effect of miR-212-5p on SPRY1. Elevated expression of SPRY1 partly reversed the promoting effect of circ_0099630 knockdown on iPDLC proliferation and osteogenic differentiation.
conclusionsCirc_0099630 curbed PDLC proliferation and osteogenic differentiation through elevating SPRY1 expression via sponging miR-212-5p in periodontitis.
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