小鼠、大鼠、食蟹猴与人的脂肪干细胞分离培养方法和生物学特性的比较分析
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(中国医学科学院医学实验动物研究所,北京协和医学院比较医学中心,国家卫生健康委员会人类疾病比较医学重点实验室,国家中医药管理局人类疾病动物模型三级实验室,北京100021)

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R-33

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Comparative analysis of adipose-derived stem cells from commonly used laboratory animals and human
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(Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences (CAMS);Comparative Medicine Center, Peking Union Medical College (PUMC); Key Laboratory of Human Disease Comparative Medicine, National Health Commission of the People’s Republic of China; Key Laboratory of Human Disease Animal Models, State Administration of Traditional Chineses Medicine, Beijing 100021, China)

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    摘要:

    目的 比较分析实验动物脂肪间充质干细胞(adipose-derived mesenchymal stem cells,ADSCs)与人脂肪间充质干细胞的分离培养方法和生物学特性的差异,为自体脂肪干细胞移植治疗人类疾病的临床前研究提供临床前的实验数据和方法?方法 将临床患者?食蟹猴?C57 小鼠和SD 大鼠的皮下脂肪组织进行分离培养后得到人脂肪间充质干细胞(hADSCs)?食蟹猴脂肪间充质干细胞(cynomolgus monkey adipose-derived mesenchymal stemcells,cADSCs)?小鼠脂肪间充质干细胞(mouse adipose-derived mesenchymal stem cells,mADSCs)和大鼠脂肪间充质干细胞(rat adipose-derived mesenchymal stem cells,rADSCs);采用流式细胞术鉴定ADSCs 表面标记物;细胞成脂?成骨诱导分化,于诱导后21 d 和28 d 固定染色,鉴定ADSCs 的成脂成骨分化能力?结果 hADSCs?cADSCs?mADSCs和rADSCs 的分离培养方法类似,贴壁培养后均呈成纤维细胞样生长;流式检测显示,不同物种ADSCs 间充质干细胞表面标记物CD90?CD29 为阳性,少量表达造血干细胞标记物CD34,血管内皮细胞标记物CD31 为阴性?成脂和成骨分化能力检测显示,hADSCs?cADSCs?mADSCs 和rADSCs 和均具有成脂成骨分化能力,但其成脂成骨分化的时间略有差异?结论 实验动物ADSCs 与hADSCs 采用相同的分离培养方法,有类似的表面标记物表达及成脂成骨分化潜能,生物学特性具有一致性,是自体脂肪干细胞移植临床前研究的良好模型?

    Abstract:

    Objective To provide experimental data for preclinical studies on the treatment of human diseases byautologous fat stem cell transplantation, including isolation and culture methods and the biological characteristics oflaboratory animals including C57 mice, SD rats, and cynomolgus monkey adipose-derived stem cells (ADSCs), which werecompared with those of humans. Methods hADSCs, mouse adipose derived mesenchymal stem cells (mADSCs), ratadipose derived mesenchymal stem cells (rADSCs) and cynomolgus monkey adipose derived mesenchymal stem cells(cADSCs) were identified via surface markers using flow cytometry, and adipogenic and osteogenic differentiation wasinduced. Results All the hADSCs, mADSCs, rADSCs and cADSCs showed fibroblast-like morphology. Flow cytometryshowed that mesenchymal stem cell surface markers CD90 and CD29 in ADSCs of each species were positive, while thevascular endothelial cell marker CD31 was negative. Oil red O and alizarin red staining showed that hADSCs, mADSCs,rADSCs and cADSCs differentiated into fat cells and bone cells. Conclusions Laboratory animal ADSCs and hADSCs canbe cultured using the same method and they all had similar surface marker expression, as well as adipogenic and osteogenic differentiation potential, indicating their usefulness for the pre-clinical study of autologous ADSC transplantation.

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李珂雅.小鼠、大鼠、食蟹猴与人的脂肪干细胞分离培养方法和生物学特性的比较分析[J].中国比较医学杂志,2019,29(6):14~21.

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  • 收稿日期:2019-02-28
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  • 在线发布日期: 2019-07-16
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