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lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells

  • Authors:
    • Furong Wang
    • Fucai Zhang
    • Feng Zheng
  • View Affiliations / Copyright

    Affiliations: Department of Orthopedics, Qinghai Provincial People's Hospital, Chengdong, Xining, Qinghai 810007, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 194
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    Published online on: January 5, 2022
       https://doi.org/10.3892/etm.2022.11117
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Abstract

Long non‑coding (lnc)RNA KCNQ1 opposite strand/antisense transcript 1 (Kcnq1ot1) has been shown to regulate multiple biological processes. However, the functional role of Kcnq1ot1 in osteoporosis and the underlying mechanism are still unclear. The present study aimed to investigate the function of lncRNA Kcnq1ot1 in osteogenic differentiation. Alkaline phosphatase (ALP) activity was measured using an ALP assay kit. Western blotting was performed to assess the expression levels of osteogenic differentiation‑associated proteins. Reverse transcription‑quantitative PCR was performed to detect Kcnq1ot1, microRNA (miR)‑98‑5p and T‑box transcription factor 5 (Tbx5) expression levels. The binding of Kcnq1ot1 with miR‑98‑5p and that of miR‑98‑5p with Tbx5 were predicted by starBase and TargetScan databases, respectively, and verified using dual luciferase reporter assays. The mineralization of MC3T3‑E1 cells was observed using an Alizarin red S staining assay. The results revealed that expression of Kcnq1ot1 was increased and that of miR‑98‑5p was decreased during osteogenic differentiation. Additionally, Kcnq1ot1 was shown to target miR‑98‑5p and inhibit its expression. Inhibiting miR‑98‑5p reversed the inhibitory effect of Kcnq1ot1 knockdown on osteogenic differentiation and mineralization of MC3T3‑E1 cells. Furthermore, Kcnq1ot1 regulated Tbx5 expression via miR‑98‑5p. Overexpressing miR‑98‑5p or downregulating Tbx5 expression reversed the promotive effect of Kcnq1ot1 overexpression on osteogenic differentiation and mineralization of MC3T3‑E1 cells. In conclusion, these findings suggested that Kcnq1ot1 may promote bone formation by inhibiting miR‑98‑5p and upregulating Tbx5. Kcnq1ot1, miR‑98‑5p and Tbx5 may therefore serve as promising targets for the treatment of osteoporosis.
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Copy and paste a formatted citation
Spandidos Publications style
Wang F, Zhang F and Zheng F: lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells. Exp Ther Med 23: 194, 2022.
APA
Wang, F., Zhang, F., & Zheng, F. (2022). lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells. Experimental and Therapeutic Medicine, 23, 194. https://doi.org/10.3892/etm.2022.11117
MLA
Wang, F., Zhang, F., Zheng, F."lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells". Experimental and Therapeutic Medicine 23.3 (2022): 194.
Chicago
Wang, F., Zhang, F., Zheng, F."lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells". Experimental and Therapeutic Medicine 23, no. 3 (2022): 194. https://doi.org/10.3892/etm.2022.11117
Copy and paste a formatted citation
x
Spandidos Publications style
Wang F, Zhang F and Zheng F: lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells. Exp Ther Med 23: 194, 2022.
APA
Wang, F., Zhang, F., & Zheng, F. (2022). lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells. Experimental and Therapeutic Medicine, 23, 194. https://doi.org/10.3892/etm.2022.11117
MLA
Wang, F., Zhang, F., Zheng, F."lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells". Experimental and Therapeutic Medicine 23.3 (2022): 194.
Chicago
Wang, F., Zhang, F., Zheng, F."lncRNA Kcnq1ot1 promotes bone formation by inhibiting miR‑98‑5p/Tbx5 axis in MC3T3‑E1 cells". Experimental and Therapeutic Medicine 23, no. 3 (2022): 194. https://doi.org/10.3892/etm.2022.11117
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