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Sustained release of endothelial progenitor cell-derived extracellular vesicles from shear-thinning hydrogels improves angiogenesis and promotes function after myocardial infarction

机译:来自剪切稀释水凝胶的持续释放内皮祖细胞源细胞源细胞外囊囊泡改善了心肌梗死后的血管生成并促进功能

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摘要

Aims Previous studies have demonstrated improved cardiac function following myocardial infarction (MI) after administration of endothelial progenitor cells (EPCs) into ischaemic myocardium. A growing body of literature supports paracrine effectors, including extracellular vesicles (EVs), as the main mediators of the therapeutic benefits of EPCs. The direct use of paracrine factors is an attractive strategy that harnesses the effects of cell therapy without concerns of cell engraftment or viability. We aim to reproduce the beneficial effects of EPC treatment through delivery of EPC-derived EVs within a shear-thinning gel (STG) for precise localization and sustained delivery.
机译:目的先前的研究表明,在将内皮祖细胞(EPC)施入缺血性心肌后,在心肌梗死(MI)后表现出改善的心脏功能。 越来越多的文献体系支持旁静脉作用,包括细胞外囊(EVS),作为EPC治疗益处的主要介质。 直接使用旁静脉因子是一种有吸引力的策略,其利用细胞疗法的影响而不担心细胞植入或活力。 我们的目标是通过在剪切稀释凝胶(STG)内通过递送EPC衍生EV来繁殖EPC治疗的有益效果,以精确定位和持续递送。

著录项

  • 来源
    《Cardiovascular Research》 |2018年第7期|共12页
  • 作者单位

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Bioengn 240 Skirkanich 210 S 33rd St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Childrens Hosp Philadelphia Prot &

    Prote Core Facil Res Inst 3615 Civ Ctr Blvd Philadelphia PA;

    Childrens Hosp Philadelphia Prot &

    Prote Core Facil Res Inst 3615 Civ Ctr Blvd Philadelphia PA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

    Childrens Hosp Philadelphia Prot &

    Prote Core Facil Res Inst 3615 Civ Ctr Blvd Philadelphia PA;

    Univ Penn Dept Bioengn 240 Skirkanich 210 S 33rd St Philadelphia PA 19104 USA;

    Univ Penn Dept Surg Div Cardiovasc Surg Silverstein 6 3400 Spruce St Philadelphia PA 19104 USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 心脏、血管(循环系)疾病;
  • 关键词

    Endothelial progenitor cells; Extracellular vesicles; Exosomes; Hydrogel; Angiogenesis;

    机译:内皮祖细胞;细胞外囊泡;外泌体;水凝胶;血管生成;

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