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Endothelial Progenitor Cells: Therapeutic Perspective for Ischemic Stroke

机译:内皮祖细胞:缺血性中风的治疗角度。

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Summary Endothelial progenitor cells ( EPC s), which can be cultured in vitro from mononuclear cells in peripheral blood or bone marrow, express both hematopoietic stem cell and endothelial cell markers on their surface. They are believed to participate in endothelial repair and postnatal angiogenesis due to their abilities of differentiating into endothelial cells and secreting protective cytokines and growth factors. Mounting evidence suggests that circulating EPC s are reduced and dysfunctional in various diseases including hypertension, diabetes, coronary heart disease, and ischemic stroke. Therefore, EPC s have been documented to be a potential biomarker for vascular diseases and a hopeful candidate for regenerative medicine. Ischemic stroke, as the major cause of disability and death, still has limited therapeutics based on the approaches of vascular recanalization or neuronal protection. Emerging evidence indicates that transplantation of EPC s is beneficial for the recovery of ischemic cerebral injury. EPC ‐based therapy could open a new avenue for ischemic cerebrovascular disease. Currently, clinical trials for evaluating EPC transfusion in treating ischemic stroke are underway. In this review, we summarize the general conceptions and the characteristics of EPC s, and highlight the recent research developments on EPC s. More importantly, the rationale, perspectives, and strategies for using them to treat ischemic stroke will be discussed.
机译:小结内皮祖细胞(EPC)可以从外周血或骨髓中的单核细胞进行体外培养,在其表面表达造血干细胞和内皮细胞标志物。由于它们具有分化为内皮细胞并分泌保护性细胞因子和生长因子的能力,据信它们参与了内皮修复和产后血管生成。越来越多的证据表明,在多种疾病(包括高血压,糖尿病,冠心病和缺血性中风)中,循环中的EPC减少且功能障碍。因此,EPC已被证明是血管疾病的潜在生物标志物,也是再生医学的有希望的候选者。缺血性中风作为致残和死亡的主要原因,基于血管再通或神经元保护的方法,其治疗方法仍然有限。越来越多的证据表明,EPC的移植对于缺血性脑损伤的恢复是有益的。基于EPC的疗法可能为缺血性脑血管疾病开辟新途径。当前,用于评估EPC输血治疗缺血性中风的临床试验正在进行中。在这篇综述中,我们总结了EPC的一般概念和特点,并重点介绍了EPC的最新研究进展。更重要的是,将讨论使用它们治疗缺血性中风的基本原理,观点和策略。

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