Copyright (c) 2023 Jiaquan Yang, Yulian Liu, Kunqiang Chen, Muzi Liu
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The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.The hyaluronic acid gel promotes the formation of osteoblasts mineralized nodules and fracture callus by regulating the expression of Runx2 and osteocalcin
Corresponding Author(s) : Muzi Liu
Cellular and Molecular Biology,
Vol. 69 No. 15: New discoveries in inflammatory factors
Abstract
This study aimed to investigate the effect of hyaluronic acid (HA) gel regulating the expression of Runx2 and osteocalcin (OCN) on osteoblast mineralization nodules and fracture callus formation. To achieve this aim, MC3T3-E1 cells were divided into two groups, the HA group and the control group, based on the intervention of HA gel. In addition, a fracture callus model was constructed to observe cell proliferation, cell mineralization, and fracture callus formation. Results showed that HA at different concentrations had no obvious outcome on the proliferation of MC3T3-E1 cells (P>0.05). The area of mineralized nodules in the HA intervention group (65.38±4.27) was higher than in the control (9.52±2.16, P<0.05). The expression levels of Runx2 and OCN in the HA intervention group were higher than control (P<0.05). The callus area in the HA group (110.05±4.16) and (143.16±8.84) was significantly higher as against control (72.51±6.32, 88.92±5.28) at 2 and 4 weeks after intervention (P<0.05). It was concluded that HA gel promotes the proliferation and differentiation of osteoblasts by regulation of Runx2 and OCN, and then promotes the formation of mineralized nodules of osteoblasts and fracture callus, thereby promoting fracture healing.
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