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Copyright (c) 2023 Jianshi Li
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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.In vivo and in vitro action mechanism of treatment of glucocorticoid-induced osteoporosis by regulation of osteoprotegerin/receptor activator of nuclear factor-κB pathways by denshensu
Corresponding Author(s) : Jianshi Li
Cellular and Molecular Biology,
Vol. 69 No. 10: Issue 10
Abstract
The research aimed to discuss the action mechanism of the treatment of glucocorticoid-induced osteoporosis (GIOP) by denshensu. In the research, 60 rats were purchased and divided into a control group, model group, estradiol group, and denshensu treatment group. Except for the control group, GIOP models were established for all other groups, and then the structural changes of osseous tissues as well as osteoprotegerin (OPG), expression of receptor activator of nuclear factor-κB ligands (RANKL) were detected. Besides, the changes in osteoclasts were observed by bone marrow-derived mononuclear phagocytes in vitro. The results showed that the micro-structure of bone trabeculae, bone mineral density (BMD), and bone metabolic markers of rats in the denshensu treatment group were enhanced significantly, while trabecular separation and structural model index were reduced (P<0.05). OPG messenger ribonucleic acid (mRNA) and protein levels in the hypothalamus and femur tissues were increased, while RANKL content was remarkably decreased (P<0.05). In addition, in vitro experiments revealed that denshensu inhibited the differentiation of positive osteoclasts, and osteoclast-related genes were reduced (P<0.05). To conclude, denshensu might inhibit the expressions of OPG and RANKL and further play a role in treating GIOP.
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