Therapeutic benefits of CD90-negative cardiac stromal cells in rats with a 30-day chronic infarct.

Therapeutic benefits of CD90-negative cardiac stromal cells in rats with a 30-day chronic infarct.
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DOI:
10.1111/jcmm.13517
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发表时间:
2018-03
影响因子:
5.3
通讯作者:
Caranasos TG
Caranasos TG
中科院分区:
医学2区
文献类型:
--
作者:
Shen D;Shen M;Liang H;Tang J;Wang B;Liu C;Wang P;Dong J;Li L;Zhang J;Caranasos TG

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心脏基质细胞(CSCs)可来源于外植体培养物,这些细胞的亚群由于其表达CD90而被视为心脏间充质干细胞。在这里,我们试图确定CD90阳性和CD90阴性CSC在慢性心肌梗死大鼠模型中的治疗潜力。我们通过磁激活细胞分选从大鼠心肌组织外植体培养物中获得CD90阳性和CD90阴性的CSC组分。在体外,CD90阴性CSC在管形成和心肌细胞功能测定中优于CD90阳性CSC。在梗死30天的大鼠中,注射CD90阴性CSC增强梗死区心脏功能的方式优于CD90阳性CSC和未分选的CSC,其效果上级。组织学分析显示,CD90阴性CSC增加了梗死中的血管形成。我们的研究结果表明,CD90阴性CSCs可能成为慢性心肌梗死新的细胞治疗产品的开发候选者。
Cardiac stromal cells (CSCs) can be derived from explant cultures, and a subgroup of these cells is viewed as cardiac mesenchymal stem cells due to their expression of CD90. Here, we sought to determine the therapeutic potential of CD90‐positive and CD90‐negative CSCs in a rat model of chronic myocardial infarction. We obtain CD90‐positive and CD90‐negative fractions of CSCs from rat myocardial tissue explant cultures by magnetically activated cell sorting. In vitro, CD90‐negative CSCs outperform CD90‐positive CSCs in tube formation and cardiomyocyte functional assays. In rats with a 30‐day infarct, injection of CD90‐negative CSCs augments cardiac function in the infarct in a way superior to that from CD90‐positive CSCs and unsorted CSCs. Histological analysis revealed that CD90‐negative CSCs increase vascularization in the infarct. Our results suggest that CD90‐negative CSCs could be a development candidate as a new cell therapy product for chronic myocardial infarction.
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影响因子: 16.6
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