对脑炎症的新见解:基于干细胞的再生医学方法。
Emerging Insights into Brain Inflammation: Stem-Cell-Based Approaches for Regenerative Medicine.
作者信息
Karam Marie, Ortega-Gascó Alba, Tornero Daniel
机构信息
Laboratory of Neural Stem Cells and Brain Damage, Department of Biomedical Sciences, Institute of Neurosciences, University of Barcelona, 08036 Barcelona, Spain.
Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain.
出版信息
Int J Mol Sci. 2025 Apr 1;26(7):3275. doi: 10.3390/ijms26073275.
Neuroinflammation is a complex immune response triggered by brain injury or pathological stimuli, and is highly exacerbated in neurodegenerative diseases. It plays a dual role in the central nervous system, promoting repair in acute stages while aggravating disease progression by contributing to neuronal loss, synaptic dysfunction, and glial dysregulation in chronic phases. Inflammatory responses are mainly orchestrated by microglia and infiltrated monocytes, which, when dysregulated, not only harm existing neurons, but also impair the survival and differentiation of neural stem and progenitor cells in the affected brain regions. Modulating neuroinflammation is crucial for harnessing its protective functions while minimizing its detrimental effects. Current therapeutic strategies focus on fine-tuning inflammatory responses through pharmacological agents, bioactive molecules, and stem cell-based therapies. These approaches aim to restore immune homeostasis, support neuroprotection, and promote regeneration in various neurological disorders. However, animal models sometimes fail to reproduce human-specific inflammatory responses in the brain. In this context, stem-cell-derived models provide a powerful tool to study neuroinflammatory mechanisms in a patient-specific and physiologically relevant context. These models facilitate high-throughput screening, personalized medicine, and the development of targeted therapies while addressing the limitations of traditional animal models, paving the way for more targeted and effective treatments.
神经炎症是由脑损伤或病理刺激引发的复杂免疫反应,在神经退行性疾病中会高度加剧。它在中枢神经系统中发挥双重作用,在急性期促进修复,而在慢性期通过导致神经元丢失、突触功能障碍和神经胶质调节异常来加重疾病进展。炎症反应主要由小胶质细胞和浸润的单核细胞协调,当这些细胞失调时,不仅会损害现有的神经元,还会损害受影响脑区神经干细胞和祖细胞的存活与分化。调节神经炎症对于发挥其保护功能同时将其有害影响降至最低至关重要。当前的治疗策略侧重于通过药物、生物活性分子和基于干细胞的疗法来微调炎症反应。这些方法旨在恢复免疫稳态,支持神经保护,并促进各种神经系统疾病中的再生。然而,动物模型有时无法重现人类大脑中特定的炎症反应。在这种情况下,干细胞衍生模型提供了一个强大的工具,可在患者特异性和生理相关的背景下研究神经炎症机制。这些模型有助于高通量筛选、个性化医疗和靶向治疗的开发,同时解决传统动物模型的局限性,为更有针对性和有效的治疗铺平道路。