中国组织工程研究 ›› 2017, Vol. 21 ›› Issue (17): 2659-2664.doi: 10.3969/j.issn.2095-4344.2017.17.006

• 脐带脐血干细胞 umbilical cord blood stem cells • 上一篇    下一篇

肝衰竭患者血浆置换前后血清诱导脐带间充质干细胞向肝细胞的分化

王晶波1,耿大影2,李晓迎1,陈  莉3,徐  凤3,史兆章4   

  1. 济南市传染病医院,1三科,2中心实验室,4介入科,山东省济南市  250021;3济南赛尔生物科技有限公司,山东省济南市  250021
  • 修回日期:2017-02-13 出版日期:2017-06-18 发布日期:2017-06-29
  • 通讯作者: 史兆章,副主任医师,济南市传染病医院介入科,山东省济南市 250021
  • 作者简介:王晶波,女,1969年生,山东省龙口市人,汉族,1992年山东医科大学毕业,硕士,副主任医师,主要从事病毒性肝炎临床诊疗研究。
  • 基金资助:

    2012年度济南市科技局无资计划项目;山东省医药卫生科技发展计划项目(2014WS0006)

Hepatic failure patient’s serum before and after plasmapheresis induces the differentiation of umbilical cord mesenchymal stem cells into hepatic cells

Wang Jing-bo1, Geng Da-ying2, Li Xiao-ying1, Chen Li3, Xu Feng3, Shi Zhao-zhang4   

  1. 1Third Department, 2Central Laboratory, 4Department of Intervention, Jinan Municipal Hospital for Infectious Diseases, Jinan 250021, Shandong Province, China; 3Cell Biology, Jinan 250021, Shandong Province, China
  • Revised:2017-02-13 Online:2017-06-18 Published:2017-06-29
  • Contact: Shi Zhao-zhang, Associate chief physician, Department of Intervention, Jinan Municipal Hospital for Infectious Diseases, Jinan 250021, Shandong Province, China
  • About author:Wang Jing-bo, Master, Associate chief physician, Third Department, Jinan Municipal Hospital for Infectious Diseases, Jinan 250021, Shandong Province, China
  • Supported by:

    the Non-funded Project of Jinan Science and Technology Department in 2012; the Medical and Health Development Plan of Shandong Province, No. 2014WS0006

摘要:

文章快速阅读:

文题释义:
肝衰竭:
肝脏作为人体重要器官之一,具有合成、解毒、代谢、分泌、生物转化以及免疫防御等功能,故又被称为“加工厂”。当受到多种因素(如病毒、酒精、药物等)引起的严重损害时,造成肝细胞大量坏死,导致上述功能发生严重障碍或失代偿,进而出现以凝血机制障碍和黄疸、肝性脑病、腹水等为主要表现的一组临床症候群,称之为肝衰竭。
脐带间充质干细胞:是指存在于新生儿脐带组织中的一种多功能干细胞,它是一类能在体外分化、增殖,具有自我更新和多向分化潜能的低免疫原性成体干细胞,能分化为多种组织细胞,现有研究已证实脐带间充质干细胞凭借其多向分化潜能可适当在体内、外条件下诱导分化为肝细胞。

 

摘要
背景:
脐带间充质干细胞治疗肝衰竭已经取得了一定的疗效,但是肝衰竭患者的血清微环境对脐带间充质干细胞分化的影响尚未见报道。
目的:探讨慢加急性肝衰竭患者血浆置换前、后血清对脐带间充质干细胞向功能肝细胞分化的影响。
方法:采用组织块贴壁培养法获得脐带间充质干细胞并进行细胞形态及表型鉴定;取第3代脐带间充质干细胞,用含有肝衰竭患者血浆置换前、后血清的α-MEM培养基诱导培养,常规胎牛血清培养基为对照组,显微镜下观察各组细胞的形态,免疫组化检测细胞甲胎蛋白、白蛋白和细胞角蛋白18的表达水平。
结果与结论:①组织块贴壁培养法能够获得大量高纯度的脐带间充质干细胞,细胞高表达CD44,CD73,CD90,CD105,不表达CD45,符合间充质干细胞的表型特征;②慢加急性肝衰竭患者血清可改变脐带间充质干细胞的形态,并诱导脐带间充质干细胞表达甲胎蛋白、白蛋白和细胞角蛋白18。血浆置换后血清组3种蛋白阳性率高于血浆置换前血清组,差异有显著性意义(P < 0.05);③结果表明,肝衰竭患者血浆置换后血清更加有利于脐带间充质干细胞生长及向肝细胞分化。

 

 

 

关键词: 干细胞, 脐带脐血干细胞, 脐带间充质干细胞, 血浆置换, 肝衰竭, 肝细胞分化

Abstract:

BACKGROUND: Umbilical cord mesenchymal stem cells (UC-MSCs) have made certain curative effect on hepatic failure, but little is reported on the effect of hepatic failure patient’s serum microenvironment on UC-MSCs differentiation ability.
OBJECTIVE: To investigate the effect of hepatic failure patient’s serum on the differentiation of umbilical cord mesenchymal stem cells into hepatic cells.
METHODS: UC-MSCs were isolated by tissue adherent method and the cell morphology and phenotype identified by microscope and flow cytometry. Alpha-MEM media with serum before/after plasmapheresis were used to culture the third generation of UC-MSCs, and regular fetal bovine serum culture medium acted as control group. Inverted microscope was used to observe the cell morphology in three groups. Immunohistochemical method was used to measure expression level of alpha fetoprotein, albumin and cytokeratin 18.
RESULTS AND CONCLUSION: A great amount of high-purity UC-MSCs could be obtained using tissue adherent method, which highly expressed CD44, CD73, CD90, CD10, but did not express CD45. Hepatic failure patient’s serum could change the morphology of UC-MSCs and induce UC-MSCs to express alpha fetoprotein, albumin and cytokeratin 18. The positive expression of alpha fetoprotein, albumin and cytokeratin 18 was significantly increased after plasmapheresis (P < 0.05). To conclude, hepatic failure patient’s serum after plasmapheresis exert more benefits to induce UC-MSCs to differentiate into hepatic cells than that before plasmapheresis.

 

 

Key words: Umbilical Cord, Mesenchymal Stem Cells, Liver Failure, Plasma Exchange, Cell Differentiation

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