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不同年龄的不同年龄的抗衰老机制与捐赠者匹配的脂肪衍生干细胞

Tao Wang¹, Yingyu Li¹, Yu Zhu¹

¹Guangxi Universities Key Laboratory of Stem Cell and Biopharmaceutical Technology, Research Center for Biomedical Sciences, School of Life Sciences, Guangxi Normal University, Guilin, 541004, China.

Stem cell research & therapy

|August 2, 2023

概括

年轻的脂肪衍生干细胞 (ASC) 通过减少炎症和免疫细胞来对抗老年小鼠的衰老. 这表明,对于健康的衰老和与年龄相关的疾病而言,有一种新的干细胞机制.

科学领域:

干细胞生物学干细胞生物学
老年学是一门学科.
免疫学免疫学免疫学

背景情况:

脂肪酸衍生干细胞 (ASC) 在老年动物模型中显示出抗衰老和抗肥胖作用的前景.
这些影响背后的精确分子机制尚未完全理解.

研究的目的:

研究来自不同年龄的捐赠者的ASCs对老化和肥胖小鼠模型的体内影响.
分析来自年轻和老年捐赠者的ASC多组表达特征.

主要方法:

将年龄相匹配的ASC移植到自然衰老和缺素 (ob^-/ob^-) 的小鼠中.
从年轻和老老的小鼠中获得的ASC的综合多组学分析.

主要成果:

来自年轻捐赠者的ASC在老年接受者中促进了体重和腹部脂肪的减少,但在年轻或肥胖的小鼠中没有.
在年轻和老年捐赠ASC之间观察到显著的表型差异,与它们的独特效应相关.

结论:

年轻捐赠者ASC似乎通过分泌的免疫因子减少老年小鼠的炎症和免疫细胞存在.
这些发现突出了基于干细胞的潜在抗衰老机制,并提供了关于干细胞在衰老和疾病中的可塑性的见解.

关键词:

脂肪性干细胞 (ASCs) 是一种衰老的衰老衰老的衰老多个omics的多个omics.肥胖问题肥胖问题

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