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lncRNA TUG1 promotes proliferation and differentiation of osteoblasts by regulating the miR-545-3p/CNR2 axis
Hao, Ruizheng; Wang, Bin; Wang, Hui; Huo, Yongxin; Lu, Yang.
  • Hao, Ruizheng; The Second Hospital of Tangshan. Department of Hand Surgery. Tangshan. CN
  • Wang, Bin; The Second Hospital of Tangshan. Department of Hand Surgery. Tangshan. CN
  • Wang, Hui; The Second Hospital of Tangshan. Department of Hand Surgery. Tangshan. CN
  • Huo, Yongxin; The Second Hospital of Tangshan. Department of Hand Surgery. Tangshan. CN
  • Lu, Yang; First Hospital of Qinhuangdao. Department of Orthopedics. Qinhuangdao. CN
Braz. j. med. biol. res ; 53(11): e9798, 2020. graf
Article in English | LILACS, ColecionaSUS | ID: biblio-1132489
ABSTRACT
Osteoblast differentiation is an effective way to promote bone formation. Long non-coding RNA taurine upregulated 1 (TUG1) has been identified as a crucial modulator of multiple biological processes. This study was designed to investigate the function of TUG1 in the proliferation and differentiation of osteoblast precursor cells hFOB1.19. In this study, we found that TUG1 promoted hFOB1.19 cell proliferation, while TUG1 knockdown hindered cell proliferation. TUG1 and cannabinoid receptor 2 (CNR2) were upregulated, while miR-545-3p was down-regulated in hFOB1.19 cells undergoing osteoblastic differentiation. TUG1 induced osteoblast differentiation by increasing alkaline phosphatase (ALP) activity and the expression of osteoblastic differentiation markers. TUG1 was a sponge of miR-545-3p and regulated osteoblastic differentiation by modulating miR-545-3p. Moreover, miR-545-3p directly targeted CNR2 and restored the effect of CNR2 on osteoblastic differentiation. In conclusion, TUG1 accelerated the proliferation and differentiation of osteoblasts by sponging miR-545-3p and increasing CNR2 expression, which might provide a new biomarker for bone diseases.
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Full text: Available Index: LILACS (Americas) Main subject: RNA, Long Noncoding Limits: Humans Language: English Journal: Braz. j. med. biol. res Year: 2020 Type: Article Institution/Affiliation country: First Hospital of Qinhuangdao/CN / The Second Hospital of Tangshan/CN

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Full text: Available Index: LILACS (Americas) Main subject: RNA, Long Noncoding Limits: Humans Language: English Journal: Braz. j. med. biol. res Year: 2020 Type: Article Institution/Affiliation country: First Hospital of Qinhuangdao/CN / The Second Hospital of Tangshan/CN