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Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) ›› 2021, Vol. 07 ›› Issue (03): 176-180. doi: 10.3877/cma.j.issn.2096-0263.2021.03.009

• Basic Research • Previous Articles     Next Articles

MiR-3182 regulates LPPR4 expression and inhibits osteoblasts differentiation and maturation

XiaoLin Tang1,(), Xia Kong2, Huaigao Wang2, Rong Li2   

  1. 1. Department of Medical Science, Shunde Polytechnic, Foshan 528300, China
    2. Department of Physiopathology, Guangdong Medical University, Dongguan 523808, China
  • Received:2020-01-16 Online:2021-06-05 Published:2021-09-10
  • Contact: XiaoLin Tang

Abstract:

Objective

This study aims to reveal the regulatory effect of miR-3182 and its target LPPR4 on osteoblasts differentiation and maturation.

Methods

The study employed GSE63446 and GSE62402 datasets to reveal the association of circulating miRNA and tissue mRNA in bone mineral density (BMD). The two datasets were cross validated based on targets prediction. Plasmid mediated LPPR4 gene overexpression or siRNA interference was used to investigate its regulatory role in osteoblasts differentiation and maturation.

Results

Circulating miR-3182 was highly expressed in low BMD group, indicating excellent sensitivity and specificity in BMD classification. Lentivirus plasmind mediated miR-3182 expression decreased LPPR4 protein level and inhibited osteoblast hFOB1.19 mineralized nodules formation. Ectogenic overexpression of LPPR4 promoted hFOB1.19 cells mineralized nodule formation, and induced biomarker OPG expression.

Conclusion

LPPR4 promotes osteoblasts hFOB1.19 differentiation and maturation.

Key words: MicroRNA-3182, LPPR4 protein, Bone density, Gene Expression Omnibus (GEO) Database

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