人脐带间充质干细胞条件培养基及外泌体对肝癌细胞增殖、迁移、侵袭和凋亡的影响

被引:0
|
作者
金凯 [1 ]
唐婷 [2 ]
李美乐 [2 ]
谢裕安 [1 ,2 ,3 ]
机构
[1] 广西中医药大学研究生院
[2] 广西壮族自治区妇幼保健院
[3] 广西出生缺陷及干细胞生物样本库重点实验室
关键词
肝癌; 人脐带间充质干细胞; 外泌体; 条件培养基; 增殖; 迁移; 侵袭; 凋亡;
D O I
暂无
中图分类号
R735.7 [肝肿瘤];
学科分类号
摘要
背景:间充质干细胞可通过分泌含细胞因子、生长因子和外泌体的细胞外囊泡调节肿瘤微环境,对肿瘤细胞生物学行为进行精准调控。目的:研究人脐带间充质干细胞条件培养基及外泌体对肝癌细胞生物学特性的影响。方法:收集人脐带间充质干细胞培养上清,通过高速离心并过滤获得人脐带间充质干细胞条件培养基;收集人脐带间充质干细胞培养上清,通过超高速梯度离心法提取人脐带间充质干细胞外泌体。使用PKH26标记人脐带间充质干细胞外泌体,与肝癌细胞MHCC97-H共培养,荧光显微镜观察MHCC97-H细胞摄取外泌体情况。通过CCK-8增殖实验、Transwell迁移和侵袭实验以及流式凋亡实验评估人脐带间充质干细胞条件培养基、人脐带间充质干细胞外泌体对肝癌细胞生物学功能的影响。结果与结论:(1)人脐带间充质干细胞外泌体可被MHCC97-H细胞摄取且主要分布于细胞质中;(2)人脐带间充质干细胞条件培养基处理后,MHCC97-H细胞的增殖、迁移和侵袭能力显著增强(P <0.001,P <0.05,P <0.01),凋亡能力显著下降(P <0.001);而人脐带间充质干细胞外泌体处理后,MHCC97-H细胞的增殖能力下降(P <0.001),迁移、侵袭及凋亡能力显著增强(P <0.001);(3)结果表明,人脐带间充质干细胞条件培养基具有促进MHCC97-H细胞增殖、迁移、侵袭和抑制凋亡的能力;而人脐带间充质干细胞外泌体则具有促进MHCC97-H细胞迁移、侵袭及凋亡和抑制增殖的能力。
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收藏
页码:1350 / 1355
页数:6
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