Article Publish Status: FREE
Abstract Title:

Saikosaponin D inhibits proliferation of human osteosarcoma cells via the p53 signaling pathway.

Abstract Source:

Exp Ther Med. 2019 Jan ;17(1):488-494. Epub 2018 Nov 14. PMID: 30651826

Abstract Author(s):

Lin Zhao, Jing Li, Zhi-Bo Sun, Chen Sun, Zhi-Hong Yu, Xiao Guo

Article Affiliation:

Lin Zhao


Saikosaponin D (SSd), the major monomeric terpenoid extracted from, a traditional Chinese medicinal herb, exerts various pharmacological properties, including antitumor, anti-inflammatory and antiviral. The present study aimed to investigate the role of SSd in human osteosarcoma (OS) cell growth. In the investigation MTS and EdU assays were applied and flow cytometric analyses of cell cycle and apoptosis were performed. Western blotting and reverse transcription-quantitative polymerase chain reaction analyses were used to explore the underlying mechanisms of SSd on cell cycle transition and p53 signaling. Here, it was demonstrated that SSd administration at 80µmol/l significantly inhibited 143B and MG-63 proliferation. Furthermore, SSd significantly increased the percentage of 143B and MG-63 cells in G-Gphase and the number of apoptosis cells compared with the control group. Data further demonstrated that SSd treatment upregulated mRNA and protein levels of tumor protein 53 (p53) and its downstream targets, including p21, p27, B-cell lymphoma-2-like protein 4 and cleaved caspase-3, and downregulated mRNA and protein levels of cyclinD1. The results suggested that SSd was a functional tumor suppressor and inhibited OS proliferation via activation of the p53 signaling pathway and may be used in the treatment of osteosarcoma in future.

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