Changes in the proliferation and angiogenesis of human dental pulp stem cells after treated with prostaglandin E1 combined with basic fibroblast growth factor

doi:10.3969/j.issn.2095-4344.2095

Abstract

Abstract:

BACKGROUND: Prostaglandin E1 and basic fibroblast growth factor can promote the proliferation of human dental pulp stem cells, but the effects of their combinations on the proliferation of human dental pulp stem cells and angiogenesis are unknown.

OBJECTIVE: To investigate the effects of prostaglandin E1 combined with basic fibroblast growth factor on the proliferation and angiogenesis of human dental pulp stem cells.

METHODS: (1) Human dental pulp stem cells were isolated and cultured in vitro. After detection and identification of surface markers, prostaglandin E1 and basic fibroblast growth factor at concentrations of 5, 10, 20, 50 and 100 μg/L were used to treat human dental pulp stem cells in vitro. The untreated cells served as control group. The cell proliferation was detected by cell counting kit-8 assay, and the optimum drug concentration and time of drug action were screened. (2) The in vitro cultured human dental pulp stem cells were divided into four groups: blank control group, prostaglandin E1 group, basic fibroblast growth factor group and combination group. The cell proliferation was detected by cell counting kit-8 assay. Human dental pulp stem cell conditioned medium was extracted. The levels of vascular endothelial growth factor and endostatin in the culture medium were detected by ELISA. The in vitro tubular formation ability of human umbilical vein endothelial cells after culture in conditioned medium was tested by tubule formation experiment.

RESULTS AND CONCLUSION: The optimum concentration of prostaglandin E1 and basic fibroblast growth factor was 20 μg/L, and the optimum time of action was 2 days. Compared with the blank control group, the relative proliferation rate, level of vascular endothelial growth factor and the angiogenesis ability of human umbilical vein endothelial cell in vitro in the prostaglandin E1, basic fibroblast growth factor and combination groups were significantly increased (P < 0.05), while the level of endostatin was significantly decreased (P < 0.05). All above index levels in the combination group were significantly superior to those in the prostaglandin E1 and basic fibroblast growth factor groups

(P < 0.05). In summary, prostaglandin E1 combined with basic fibroblast growth factor can promote the proliferation of human dental pulp stem cells and enhance the tubular formation ability of human umbilical vein endothelial cells in vitro.

Key words:

prostaglandin E1, basic fibroblast growth factor, human dental pulp stem cells, cell proliferation, angiogenesis

CLC Number:

Xiang Haidong, Cheng Dongmei, Guo Han, Gao Qi .

Changes in the proliferation and angiogenesis of human dental pulp stem cells after treated with prostaglandin E1 combined with basic fibroblast growth factor [J]. Chinese Journal of Tissue Engineering Research, 2020, 24(25): 4006-4011.

Figures/Tables 7

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