Influence of M2 macrophage supernatant combined with Eucommia flavonoids on the biological behavior of osteoblasts under hypoxic conditions

doi:10.3969/j.issn.2095-4344.2017.12.003

Abstract

Abstract:

BACKGROUND: Tissue-engineered materials containing osteoblasts have been widely used in the treatment of orthopedic diseases. How to improve hypoxic tolerance and the biological behavior of osteoblasts under hypoxic conditions is an important goal of the research on tissue engineering.
OBJECTIVE: To explore the effect of M2 macrophage supernatant and Eucommia flavonoids on the biological behavior of osteoblasts under hypoxia to pave ways for tissue engineering.
METHODS: After MC3T3E1 cells were resuscitated, and M2 macrophages were isolated, induced and cultured, all cells were divided into control, M2 macrophage, Eucommia flavonoids and combination groups. The control group received no intervention. Cells in the M2 macrophage, Eucommia flavonoids and combination groups were exposed to M2 macrophages or/and 100 mg/L Eucommia flavonoids, respectively.
RESULTS AND CONCLUSION: The cell viability in the M2 macrophage, Eucommia flavonoids and combination groups was significantly higher than that in the control group. The percentage of cells in the S and G2/M phases in the combination group was significantly higher than that in the control group. The relative mRNA expression levels of Runx2, collagen type I and alkaline phosphatase, alkaline phosphatase activity and relative concentration of calcium ions in the combination group were significantly higher than those in the other three groups. To conclude, M2 macrophage supernatant combined with Eucommia flavonoids can promote osteoblast proliferation and differentiation under hypoxic conditions, maintain normal mineralization and osteogenesis of osteoblasts, and improve the tolerance ability of osteoblasts to hypoxia.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: Anoxia, Macrophages, Eucommiaceae, Flavones, Tissue Engineering

CLC Number:

R318

Zhang Wen-bo1, Zhang Xian2. Influence of M2 macrophage supernatant combined with Eucommia flavonoids on the biological behavior of osteoblasts under hypoxic conditions[J]. Chinese Journal of Tissue Engineering Research, 2017, 21(12): 1819-1825.

Figures/Tables 2

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