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FEBS Open Bio:人羊膜来源的间充质干细胞促进人骨髓间充质干细胞成骨对糖脂的影响

2019-01-26 MedSci MedSci原创

流行病学证据表明,糖尿病(DM)是促进牙周炎的重要因素。它不仅影响结缔组织的附着,还会导致牙槽骨的丧失。因此,迫切需要找到DM诱导的骨缺乏的有效治疗方法。本研究旨在探讨人羊膜间充质干细胞(HAMSCs)对DM诱导的人骨髓间充质干细胞(HBMSCs)增殖和成骨分化的影响。使用高葡萄糖和棕榈酸(GP)模拟DM诱导的糖脂毒性。使用流式细胞术测量增殖水平。碱性磷酸酶活性底物测定,茜素红S染色和蛋白质印迹用

流行病学证据表明,糖尿病(DM)是促进牙周炎的重要因素。它不仅影响结缔组织的附着,还会导致牙槽骨的丧失。因此,迫切需要找到DM诱导的骨缺乏的有效治疗方法。本研究旨在探讨人羊膜间充质干细胞(HAMSCs)对DM诱导的人骨髓间充质干细胞(HBMSCs)增殖和成骨分化的影响。

使用高葡萄糖和棕榈酸(GP)模拟DM诱导的糖脂毒性。使用流式细胞术测量增殖水平。碱性磷酸酶活性底物测定,茜素红S染色和蛋白质印迹用于研究成骨分化。通过测定活性氧物质的水平来测量氧化应激。

结果发现,GP引起的糖脂毒性明显抑制细胞增殖和成骨,并上调HBMSCs的氧化应激水平。然而,HAMSCs通过影响p38丝裂原活化蛋白激酶和血管内皮生长因子分泌,通过抗氧化活性减弱HBMSC功能障碍。

总之,我们的研究结果表明HAMSCs可能适合治疗DM介导的骨缺损。 

原始出处:

Bian Y, Ma X, et al., 流行病学证据表明,糖尿病(DM)是促进牙周炎的重要因素。它不仅影响结缔组织的附着,还会导致牙槽骨的丧失。因此,迫切需要找到DM诱导的骨缺乏的有效治疗方法。本研究旨在探讨人羊膜间充质干细胞(HAMSCs)对DM诱导的人骨髓间充质干细胞(HBMSCs)增殖和成骨分化的影响。 使用高葡萄糖和棕榈酸(GP)模拟DM诱导的糖脂毒性。使用流式细胞术测量增殖水平。碱性磷酸酶活性底物测定,茜素红S染色和蛋白质印迹用于研究成骨分化。通过测定活性氧物质的水平来测量氧化应激。 结果发现,GP引起的糖脂毒性明显抑制细胞增殖和成骨,并上调HBMSCs的氧化应激水平。然而,HAMSCs通过影响p38丝裂原活化蛋白激酶和血管内皮生长因子分泌,通过抗氧化活性减弱HBMSC功能障碍。 总之,我们的研究结果表明HAMSCs可能适合治疗DM介导的骨缺损。 原始出处: Bian Y, Ma X, et al., Human amnion-derived mesenchymal stem cells promote osteogenesis of human bone marrow mesenchymal stem cells against glucolipotoxicity. FEBS Open Bio. 2018 Nov 26;9(1):74-81. doi: 10.1002/2211-5463.12547. eCollection 2019 Jan." target="_blank">Human amnion-derived mesenchymal stem cells promote osteogenesis of human bone marrow mesenchymal stem cells against glucolipotoxicity. FEBS Open Bio. 2018 Nov 26;9(1):74-81. doi: 10.1002/2211-5463.12547. eCollection 2019 Jan.

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    2019-03-09 sunylz
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    2019-04-30 feather89
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    2019-01-27 zhaojie88
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