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Article Publish Status: FREE
Abstract Title:

Tanshinone IIA attenuates osteoclastogenesis in ovariectomized mice by inactivating NF-kB and Akt signaling pathways.

Abstract Source:

Am J Transl Res. 2018 ;10(5):1457-1468. Epub 2018 May 15. PMID: 29887959

Abstract Author(s):

Li Cheng, Shengyuan Zhou, Yin Zhao, Yanqing Sun, Zheng Xu, Bo Yuan, Xiongsheng Chen

Article Affiliation:

Li Cheng

Abstract:

Osteoporosis is a common disease associated with age and menopausal status. Postmenopausal osteoporosis is the most common type of primary osteoporosis and is accompanied by increased risk of osteoporotic fracture. Natural and herbal compounds have long been used to prevent and treat many human diseases. Here, we demonstrated that tanshinone IIA prevented ovariectomy-induced bone loss in anmouse model that closely mimics osteoporosis. In addition, we found that tanshinone IIA inhibited the receptor activator of nuclear factor NF-κB ligand (RANKL)-induced osteoclast differentiation and osteoclastogenesis. Tanshinone IIA treatment also abrogated RANKL-induced activation of the NF-κB pathway, PI3-kinase/Akt signaling, and the mitogen-activated protein kinase (MAPK) pathways, including nuclear translocation of NF-κB p65 and phosphorylation of IκB, extracellular signal-regulated kinase (ERK), p38, and Akt. Inactivation of these pathways resulted in deceased expression of osteoclastogenesis-related markers. These results suggest that tanshinone IIA, a natural drug, has the potential to treat and prevent bone loss diseases, including postmenopausal osteoporosis.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Osteoprotective : CK(20) : AC(6)

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Sayer Ji
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