中国组织工程研究 ›› 2018, Vol. 22 ›› Issue (5): 704-709.doi: 10.3969/j.issn.2095-4344.0439

• 干细胞移植 stem cell transplantation • 上一篇    下一篇

内皮祖细胞和肝干细胞联合移植对大鼠肝纤维化的逆转作用

郭灿灿1,兰 玲1,2,3,刘 冉4,秦凌云5,刘博伟2,徐梦阳2   

  1. 1锦州医科大学,河南省人民医院规培基地,河南省郑州市 450003;2郑州大学人民医院(河南省人民医院)消化内科,河南省郑州市 450003;3河南大学,河南省开封市 475001;4河南省荣军医院肿瘤科,河南省新乡市 453003;5郑州市儿童医院,河南省郑州市 450000
  • 修回日期:2017-09-02 出版日期:2018-02-18 发布日期:2018-02-18
  • 通讯作者: 兰玲,博士,副主任医师,副教授,郑州大学人民医院(河南省人民医院)消化内科,河南省郑州市 450003;锦州医科大学,河南省人民医院规培基地,河南省郑州市 450003;河南大学,河南省开封市 475001
  • 作者简介:郭灿灿,女,1992年生,山东省济宁市人,汉族,锦州医科大学在读硕士,主要从事肝纤维化防治研究。
  • 基金资助:

    国家自然科学基金(30900598);河南省基础与前沿技术研究项目(142300410380);河南省医学科技攻关计划项目(201303211)

Co-transplantation of endothelial progenitor cells and hepatocyte stem cells launches a counterattack against liver fibrosis in rats

Guo Can-can1, Lan Ling1, 2, 3, Liu-ran4, Qin Ling-yun5, Liu Bo-wei2, Xu Meng-yang2   

  1. 1Culture Basis of Henan Provincial People’s Hospital, Jinzhou Medical University, Zhengzhou 450003, Henan Province, China; 2Department of Digestion, People’s Hospital of Zhengzhou University (Henan Provincial People’s Hospital), Zhengzhou 450003, Henan Province, China; 3Henan University, Kaifeng 475001, Henan Province, China; 4Department of Oncology, Henan Provincial Veteran Hospital, Xinxiang 453003, Henan Province, China; 5Zhengzhou Children's Hospital, Zhengzhou 450000, Henan Province, China
  • Revised:2017-09-02 Online:2018-02-18 Published:2018-02-18
  • Contact: Lan Ling, M.D., Associate chief physician, Associate professor, Culture Basis of Henan Provincial People’s Hospital, Jinzhou Medical University, Zhengzhou 450003, Henan Province, China
  • About author:Guo Can-can, Studying for master’s degree, Culture Basis of Henan Provincial People’s Hospital, Jinzhou Medical University, Zhengzhou 450003, Henan Province, China
  • Supported by:

    the National Natural Science Foundation of China, No. 30900598; the Basic and Cutting-Edge Technology Research Project of Henan Province, No. 142300410380; the Medical Science Research Project of Henan Province, No. 201303211

摘要:

文章快速阅读:

文题释义:
内皮祖细胞:
主要存在于骨髓、外周血和脐血,心脏、血管、骨骼肌和脂肪组织中也有少量分布。骨髓中含有大量造血干细胞和间充质干细胞等,其均可分化为内皮祖细胞,因而骨髓中内皮祖细胞的含量更丰富。内皮祖细胞是内皮细胞的前体,属于多能干细胞,它能在损伤信号的诱导下迁移到损伤局部,增殖分化为成熟内皮细胞,参与血管内皮修复和缺血器官的血管新生。
肝纤维化形成的机制:肝纤维化是各种损伤因子累及肝脏后的一种病理状态,是一种可逆性病理现象,不同病因导致肝细胞分泌各种生长因子、炎性因子、蛋白酶类及纤维化细胞因子,刺激肝星状细胞及其他类型细胞的活化,转变为肌成纤维样细胞,从而分泌大量细胞外基质,使得肝脏正常结构被破环,肝细胞数量减少,肝小叶结构改变,血管结构紊乱,是肝纤维化形成的共同机制。

 

摘要
背景:
目前骨髓源性内皮祖细胞(bone marrow-derived endothelial progenitor cells,BM-EPCs)或骨髓源性肝干细胞(bone marrow-derived hepatocyte stem cells,BDHSCs)移植治疗肝纤维化的研究较多见,但二者联合移植治疗肝纤维化的报道却罕见。因此设想将具有血管形成作用的BM-EPCs和具有肝细胞再生作用的BDHSCs联合移植,可发挥双重抗纤维化作用。
目的:探讨BM-EPCs和BDHSCs联合移植对大鼠肝纤维化的逆转作用。
方法:利用四氯化碳皮下注射6周建立大鼠肝纤维化模型。通过体外诱导培养获得肝纤维化大鼠来源的BM-EPCs,通过磁珠分选获得肝纤维化大鼠来源的BDHSCs。将两种细胞经尾静脉、门静脉分支输注移植到肝纤维化大鼠体内,观察其对肝纤维化程度和肝脏功能的改善作用。
结果与结论:①Masson染色结果显示,单纯BDHSCs或BM-EPCs移植,以及两者联合移植均能抑制胶原纤维的形成。但肝纤维化分期评分结果显示,仅BM-EPCs/BDHSCs联合移植能明显改善肝纤维化程度,与模型组相比差异有显著性意义(P < 0.05);②肝功能和凝血功能检测结果显示,与模型组相比,BM-EPCs/BDHSCs联合移植组谷丙转氨酶、谷草转氨酶、总胆红素、凝血酶原时间和部分活化凝血活酶时间5项指标水平显著改善(P < 0.05),与正常组水平相当;③结果表明,来源于肝纤维化大鼠的BM-EPCs/BDHSCs联合移植治疗肝纤维化有显著疗效,优于单一类型细胞移植。

中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程
ORCID:
0000-0001-9744-4545(兰玲)

关键词: 内皮祖细胞, 肝干细胞, 细胞移植, 肝纤维化, 干细胞, 骨髓, 国家自然科学基金

Abstract:

BACKGROUND: At present, the transplantation of bone marrow-derived endothelial progenitor cells (BM-EPCs) or bone marrow-derived hepatocyte stem cells (BDHSCs) is common in the treatment of liver fibrosis, but the combined treatment for liver fibrosis is rarely reported. Combined transplantation of BM-EPCs possessing the function of angiogenesis and BDHSCs possessing the function of hepatocyte regeneration might play a dual anti-fibrosis role.
OBJECTIVE: To evaluate the reversal effect on liver fibrosis by the combined transplantation of BM-EPCs and BDHSCs in rats.
METHODS: The liver fibrosis rat models were induced with CCl4 subcutaneous injections for 6 weeks. BM-EPCs of rats with liver fibrosis were obtained by culture induction in vitro. BDHSCs of rats with liver fibrosis were obtained by magnetic bead cell sorting. BM-EPCs and/or BDHSCs were transplanted into liver fibrosis rats via the tail vein and branch of the portal vein, and then the effects of BDHSCs transplantatiron on liver fibrosis and liver function were observed.
RESULTS AND CONCLUSION: (1) Masson staining results showed transplantations of BDHSCs and BM-EPCs, alone or both, could suppress the formation of collagen fibers. However, the staging scores of liver fibrosis showed that only the combined transplantation of BM-EPCs and BDHSCs could significantly improve liver fibrosis, which was significantly different from the model group (1.75±0.25 vs. 3.00±0.19, P < 0.05). (2) The liver biochemical assay in the blood showed that the levels of all five parameters of alanine aminotransferase, aspartate aminotransferase, total bilirubin, prothrombin time, and activated partial thromboplastin time in the BM-EPCs/BDHSCs group were significantly improved to be equivalent to normal levels, compared with those in the model group (P < 0.05). To conclude, it is an effective treatment for liver fibrosis by the co-transplantation of BM-EPCs and BDHSCs. 

中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程

Key words: Bone Marrow, Endothelial Cells, Hepatocytes, Liver Cirrhosis, Tissue Engineering

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