Mirzaahmadi Behnaz, Ahmadian Shahin, Haddadi Parinaz, Nezhad-Mokhtari Parinaz, Nezamdoust Fereshteh Vaziri, Yalameha Banafsheh, Chegeni Sara Aghakhani, Rashidi Somayyeh, Mousakhani Akbar, Sokullu Emel, Shafaei Hajar, Rahbarghazi Reza, Karimipour Mohammad
Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Cell Commun Signal. 2025 Jun 7;23(1):272. doi: 10.1186/s12964-025-02286-w.
Ischemic stroke (IS) is a life-threatening condition in humans with high morbidity and mortality rates in developing and industrialized countries. The occlusion of blood-supporting vessels by thrombus or emboli can contribute to massive brain cell damage, neurological deficits, and long-term disability, and in more severe conditions, results in sudden death. Current therapeutic strategies, along with rehabilitation, in part, but not completely, can restore the integrity and function of the brain. These features necessitate the advent of novel therapeutic protocols for yielding better regenerative outcomes in IS patients. In past decades, the discovery of stem cells and byproducts has led to promising results in in vitro settings and pre-clinical studies. Extracellular vesicles (EVs) are nano-sized particles released from various cell types, for instance, mesenchymal stem cells (MSCs), with certain signaling biomolecules, growth factors, and cytokines involved in cell-to-cell communication. A great plethora of studies have pointed to the fact that EVs with specific cargo can distribute easily in different parts of the body, making them appropriate therapeutics under different pathological conditions. The current review articles aimed to highlight the neuroangiogenesis properties of MSC EVs in IS conditions. How and by which mechanisms MSC EVs can orchestrate the process of nervous system regeneration is at the center of debate. We think that the current article can help us better understand MSC EVs' function in the restoration of brain function under IS conditions in terms of neurogenesis and angiogenesis.
缺血性中风(IS)是一种威胁人类生命的疾病,在发展中国家和工业化国家的发病率和死亡率都很高。血栓或栓子阻塞供血血管会导致大量脑细胞损伤、神经功能缺损和长期残疾,在更严重的情况下会导致猝死。目前的治疗策略,连同康复治疗,部分但并非完全能够恢复大脑的完整性和功能。这些情况使得有必要出现新的治疗方案,以便在IS患者中取得更好的再生效果。在过去几十年中,干细胞及其产物的发现已在体外环境和临床前研究中取得了有前景的结果。细胞外囊泡(EVs)是从各种细胞类型(如间充质干细胞(MSCs))释放的纳米级颗粒,含有某些参与细胞间通讯的信号生物分子、生长因子和细胞因子。大量研究表明,携带特定货物的EVs能够轻松分布于身体的不同部位,使其成为不同病理条件下的合适治疗手段。当前的综述文章旨在突出MSCs来源的EVs在IS条件下的神经血管生成特性。MSCs来源的EVs如何以及通过何种机制协调神经系统再生过程是争论的焦点。我们认为,当前文章能够帮助我们更好地理解在IS条件下,MSCs来源的EVs在神经发生和血管生成方面对恢复脑功能的作用。
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