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Human amnion-derived mesenchymal stem cells induced osteogenesis and angiogenesis in human adipose-derived stem cells via ERK1/2 MAPK signaling pathway

机译:人羊膜来源的间充质干细胞通过ERK1 / 2 MAPK信号通路诱导人脂肪来源的干细胞成骨和血管生成

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摘要

Mesenchymal stem cells (MSCs) have shown great potential in treating bone deficiency. Human adipose-derived stem cells (HASCs) are multipotent progenitor cells with multi-lineage differentiation potential. Human amnion-derived mesenchymal stem cells (HAMSCs) are capable of promoting osteogenic differentiation of MSCs. In this study, we investigated the effect of HAMSCs on HASCs by a transwell co-culture system. HAMSCs promoted proliferation, osteogenic differentiation, angiogenic potential and adiponectin (APN) secretion of HASCs. Moreover, the positive effect of HAMSCs was significantly inhibited by U0126, a highly selective inhibitor of extracellular signaling-regulated kinase 1/2 (ERK1/2) mitogen-activated protein kinase (MAPK) signaling pathway. These observations suggested that HAMSCs induced bone regeneration in HASCs via ERK1/2 MAPK signaling pathway.
机译:间充质干细胞(MSCs)已显示出治疗骨缺乏症的巨大潜力。人脂肪来源的干细胞(HASC)是具有多谱系分化潜能的多能祖细胞。人羊膜来源的间充质干细胞(HAMSC)能够促进MSC的成骨分化。在这项研究中,我们研究了Transwell共培养系统对HAMSCs的影响。 HAMSC促进了HASC的增殖,成骨分化,血管生成潜能和脂联素(APN)分泌。此外,U0126是一种高度选择性的细胞外信号调节激酶1/2(ERK1 / 2)丝裂原活化蛋白激酶(MAPK)信号通路抑制剂,大大抑制了HAMSC的阳性作用。这些观察结果表明,HAMCs通过ERK1 / 2 MAPK信号传导途径诱导了HASCs的骨再生。

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