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不同形式的对人类带介质细胞干细胞的影响

Beibei Ni¹, Cuiping Li², Huizhu Lin²

¹Vaccine Research Institute, Cell-Gene Therapy Translational Medicine Research Centre, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China.

|December 30, 2025

概括

补充剂增强了介质干细胞 (MSC) 的扩张,并减少了衰老. 酸盐涂层的纳米粒子 (CS-SeNPs) 和酸 (Na2SeO4) 在体外显示出改善MSC功能的显著潜力.

科学领域:

干细胞生物学干细胞生物学
生物材料科学生物材料科学
营养生物化学营养生物化学

背景情况:

介质干细胞 (MSC) 具有治疗潜力,但在体外扩张过程中功能下降.
(Se) 补充正在探索改善MSC文化和功能.
这项研究研究了各种形式 (Na2SeO4,SeMet,ebselen,CS-SeNPs) 的MSC增强作用.

研究的目的:

评估不同化合物对人类带衍生MSCs (hUC-MSCs) 功能的影响.
评估对MSC增殖,形态,表型,分化和衰老的影响.
阐明对MSCs影响的机制,包括衰老标志物和ROS水平.

主要方法:

hUC-MSCs在不同度的Na2SeO4,SeMet,ebselen和CS-SeNPs中进行培养.
评估细胞增殖,形态,表面标记物表达和分化潜力.
分析了衰老标志物 (p16,p21,p27,p53),IL-6,IL-8和活性氧物种 (ROS) 的水平.

主要成果:

所有测试的化合物在最佳度下都促进了hUC-MSC的扩散.
CS-SeNPs和Na2SeO4在减少衰老方面表现出更高的生物可用性和有效性.
最佳度 (0.5微米CS-SeNPs或0.25微米Na2SeO4) 增强了增殖,但没有改变MSC特征,同时减少衰老标志物和ROS.

结论:

补充剂有效地改善MSC扩张,并减轻体外衰老.
的有效性取决于具体的化合物,CS-SeNPs和Na2SeO4显示出强大的潜力.
在体外培养过程中,CS-SeNPs和Na2SeO4可以提高hUC-MSC的生物可用性和功能.

关键词:

在CS-SeNPs中,CS-SeNPs是最重要的.这就是Na2SeO4的含量.细胞的增殖细胞的增殖.细胞衰老细胞衰老介质细胞干细胞介质细胞干细胞

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