Development and Characterization of Alkaline Phosphatase-Positive Human Umbilical Cord Perivascular Cells.

Development and Characterization of Alkaline Phosphatase-Positive Human Umbilical Cord Perivascular Cells.
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DOI:
10.3390/cells10113011
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发表时间:
2021-11-04
期刊:
影响因子:
6
通讯作者:
Gomi K
Gomi K
中科院分区:
生物学2区
文献类型:
--
作者:
Nonoyama S;Karakida T;Chiba-Ohkuma R;Yamamoto R;Ujiie Y;Nagano T;Yamakoshi Y;Gomi K

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从人脐带血管周围组织中收获的人脐带血管周围细胞(HUCPVC)显示出未来用作间充质基质细胞替代品的潜力。在这里,我们提出了碱性磷酸酶阳性 HUCPVC (ALP(+)-HUCPVC) 特性的表征结果。在本研究中,这些 ALP(+)-HUCPVC 是通过在活化的维生素 D3(一种骨形态发生蛋白信号传导和转化生长因子-β1 (TGF-β1) 的抑制剂)存在下培养的 HUCPVC 产生的。在形态、生物学和遗传水平上研究了 ALP(+)-HUCPVC 的形态特征、细胞增殖、基因表达和矿化诱导能力。 ALP(+)-HUCPVCs 在细胞中具有较高的 ALP 基因表达和活性,并且细胞生长速度较慢。 ALP(+)-HUCPVC 的形态类似于成纤维细胞,含有 α-平滑肌肌动蛋白的肌动蛋白丝增多。除了 ALP 表达外,ALP(+)-HUCPVC 中 I 型胶原、骨桥蛋白、弹性蛋白、原纤维蛋白-1 和分化簇 90 的基因表达水平也增加。 ALP(+)-HUCPVCs 不具有诱导矿化结节的能力,这可能是由于基质囊泡对磷酸盐的吸收受到限制。此外,ALP(+)-HUCPVCs可能​​产生抗矿化物质。我们得出结论,通过 TGF-β1 刺激从 HUCPVC 诱导的 ALP(+)-HUCPVC 具有肌成纤维细胞样特性,但几乎没有矿化诱导能力。
Human umbilical cord perivascular cells (HUCPVCs), harvested from human umbilical cord perivascular tissue, show potential for future use as an alternative to mesenchymal stromal cells. Here, we present the results for the characterization of the properties alkaline phosphatase-positive HUCPVCs (ALP(+)-HUCPVCs). These ALP(+)-HUCPVCs were created from HUCPVCs in this study by culturing in the presence of activated vitamin D3, an inhibitor of bone morphogenetic protein signaling and transforming growth factor-beta1 (TGF-β1). The morphological characteristics, cell proliferation, gene expression, and mineralization-inducing ability of ALP(+)-HUCPVCs were investigated at the morphological, biological, and genetic levels. ALP(+)-HUCPVCs possess high ALP gene expression and activity in cells and a slow rate of cell growth. The morphology of ALP(+)-HUCPVCs is fibroblast-like, with an increase in actin filaments containing alpha-smooth muscle actin. In addition to ALP expression, the gene expression levels of type I collagen, osteopontin, elastin, fibrillin-1, and cluster of differentiation 90 are increased in ALP(+)-HUCPVCs. ALP(+)-HUCPVCs do not have the ability to induce mineralization nodules, which may be due to the restriction of phosphate uptake into matrix vesicles. Moreover, ALP(+)-HUCPVCs may produce anti-mineralization substances. We conclude that ALP(+)-HUCPVCs induced from HUCPVCs by a TGF-β1 stimulation possess myofibroblast-like properties that have little mineralization-inducing ability.
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