Effect of peroxiredoxin 6 on proliferation and differentiation of bone marrow mesenchymal stem cells into neural lineage in vitro

doi:10.3969/j.issn.2095-4344.2165

Abstract

Abstract:

BACKGROUND: It has been found that many substances can promote the differentiation of bone marrow mesenchymal stem cells into neural lineage in vitro, but the effect of peroxiredoxin 6 on bone marrow mesenchymal stem cells has not been studied.

OBJECTIVE: To explore the effects of peroxiredoxin 6 on the proliferation of rat bone marrow mesenchymal stem cells and the ability to differentiate into neural lineages in vitro.

METHODS: Bone marrow mesenchymal stem cells of Sprague-Dawley rats were cultured and passaged by whole bone marrow adherent culture in vitro into passage 3. The cells were assigned to five groups: PBS group, 1, 10, 100 μg/L and 1 mg/L peroxiredoxin 6 groups. CCK-8 assay was used to measure the absorbance at 450 nm of each group of cells for 9 consecutive days. Cell growth curves were drawn. Enzyme linked immunosorbent assay was utilized to measure absorbance at 450 nm in platform period. A relatively optimal concentration of peroxiredoxin 6 was selected to induce bone marrow mesenchymal stem cells to differentiate into neural lineages. PBS served as the control group. After 7 days of differentiation, immunofluorescence staining and western blot assay were used to detect the expression of neuronal marker protein NSE and glial cell marker protein GFAP.
RESULTS AND CONCLUSION: (1) 1, 10 and 100 μg/L peroxiredoxin 6 groups complied with the general growth rule of bone marrow mesenchymal stem cells, and 10 μg/L was the optimal mass concentration. (2) NSE and GFAP immunofluorescence staining showed positive reaction after peroxiredoxin 6 induction; NSE and GFAP expression levels were higher than those in the control group. (3) The results of in vitro experiments show that the proper concentration of peroxiredoxin 6 can promote the proliferation of bone marrow mesenchymal stem cells and induce differentiation into neural lineage.

Key words: stem cells, bone marrow mesenchymal stem cells, reductases, nerve, neural lineage, factor, rats, experiment

CLC Number:

Lun Zhigang, Jin Jing, Wang Tianyan, Li Aimin. Effect of peroxiredoxin 6 on proliferation and differentiation of bone marrow mesenchymal stem cells into neural lineage in vitro[J]. Chinese Journal of Tissue Engineering Research, 2021, 25(7): 1014-1018.

Figures/Tables 8

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