血管生成细胞治疗的现状及在肢体严重缺血中的相关应用策略。
Current Status of Angiogenic Cell Therapy and Related Strategies Applied in Critical Limb Ischemia.
机构信息
Biomedicine, Biotechnology and Public Health Department, Cádiz University, 11519 Cadiz, Spain.
Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), 11009 Cádiz, Spain.
出版信息
Int J Mol Sci. 2021 Feb 26;22(5):2335. doi: 10.3390/ijms22052335.
Critical limb ischemia (CLI) constitutes the most severe form of peripheral arterial disease (PAD), it is characterized by progressive blockade of arterial vessels, commonly correlated to atherosclerosis. Currently, revascularization strategies (bypass grafting, angioplasty) remain the first option for CLI patients, although less than 45% of them are eligible for surgical intervention mainly due to associated comorbidities. Moreover, patients usually require amputation in the short-term. Angiogenic cell therapy has arisen as a promising alternative for these "no-option" patients, with many studies demonstrating the potential of stem cells to enhance revascularization by promoting vessel formation and blood flow recovery in ischemic tissues. Herein, we provide an overview of studies focused on the use of angiogenic cell therapies in CLI in the last years, from approaches testing different cell types in animal/pre-clinical models of CLI, to the clinical trials currently under evaluation. Furthermore, recent alternatives related to stem cell therapies such as the use of secretomes, exosomes, or even microRNA, will be also described.
严重肢体缺血(CLI)是外周动脉疾病(PAD)最严重的形式,其特征是动脉血管进行性阻塞,通常与动脉粥样硬化有关。目前,血运重建策略(旁路移植术、血管成形术)仍然是 CLI 患者的首选,尽管由于合并症,只有不到 45%的患者有资格进行手术干预。此外,患者通常需要在短期内截肢。血管生成细胞疗法已成为这些“无选择”患者的一种有前途的治疗方法,许多研究表明,干细胞具有通过促进血管形成和缺血组织血流恢复来增强血管再生的潜力。在此,我们概述了近年来在 CLI 中使用血管生成细胞疗法的研究,从在 CLI 动物/临床前模型中测试不同细胞类型的方法,到目前正在评估的临床试验。此外,还将描述与干细胞疗法相关的最新替代方法,如使用细胞外囊泡、微小 RNA 等。
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