J Endod:IL-6在牙髓干细胞成骨和神经分化潜力中的作用

2019-09-23 lishiting MedSci原创

研究显示,感染牙髓中IL-6的浓度明显高于健康牙髓组织。这篇研究的目的是为了评估健康人牙髓干细胞(H-DPSCs)和感染牙髓干细胞(I-DPSCs)中分离出来的间充质干细胞(MSCs)之间的基线差异以及它们与IL-6的相关性,并评估IL-6是否会影响这些细胞的分化潜力。

研究显示,感染牙髓中IL-6的浓度明显高于健康牙髓组织。这篇研究的目的是为了评估健康人牙髓干细胞(H-DPSCs)和感染牙髓干细胞(I-DPSCs)中分离出来的间充质干细胞(MSCs)之间的基线差异以及它们与IL-6的相关性,并评估IL-6是否会影响这些细胞的分化潜力。

研究体外培养从健康和感染牙髓组织中分离出来的MSCs并进行鉴定。通过免疫酶联吸附测定检测H-DPSCs和I-DPSCs培养悬浮物中IL-6分泌的水平。向H-DPSCs和I-DPSCs中分别添加IL-6和中和IL-6。采用IF染色、茜素红染色和WB检测H-DPSCs和I-DPSCs的分化潜力。定量分析后采用独立分析2-tailed Student's t检验进行统计学评估。

结果显示,H-DPSCs和I-DPSCs中MSC相关标志物的表达水平相似,包含:CD44, CD73, CD90和CD105,而H-DPSCs中IL-6的表达水平、成骨分化潜力较I-DPSCs明显降低,但其神经分化潜力明显增高。在H-DPSCs中额外添加IL-6能够增加成骨分化潜力和降低神经分化潜力,而中和I-DPSCs中的IL-6会导致成骨分化潜力降低和神经分化潜力增加。

结论:这篇研究的结果表明,IL-6能够增加DPSCs的成骨分化潜力但却减弱其神经分化潜力。

原始出处:

Park YT, Lee SM, et al. The Role of Interleukin 6 in Osteogenic and Neurogenic Differentiation Potentials of Dental Pulp Stem Cells. J Endod. 2019 Sep 17. pii: S0099-2399(19)30585-0. doi: 10.1016/j.joen.2019.08.002.

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    2020-02-04 jxrzshh
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    2019-11-07 zz70
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    2019-09-26 独孤立克

    干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦

    0

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    2019-09-25 kzlchina
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    2019-09-25 zhaojie88
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