CNS neuroscience & therapeutics · 2026
Roles of Microglia in Cerebral Small Vessel Disease.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Jin Chenyang, Song Xiaoqian, Sun Yuewen, Peng Yilong, Zhou Jing, Wang Liyan, Yin Xinbao, Zheng Xueping
Аннотация
BACKGROUNDS: Cerebral small vessel disease (CSVD) is a major cause of vascular dementia, characterized by heterogeneous pathologies affecting the brain's microvasculature. In recent years, researchers have recognized the significant role of neuroinflammation and increased permeability of the blood-brain barrier (BBB) in the development of CSVD. Within this framework, microglia exert multifaceted roles.
METHODS: This review synthesizes current evidence on microglial involvement in CSVD, covering their heterogeneity, associations with neuroimaging markers, pathogenic mechanisms, and the translational prospects of microglia-directed therapies.
RESULTS: Chronic cerebral hypoperfusion drives microglial activation toward pro-inflammatory phenotypes, triggering oxidative stress, inflammatory mediator release, and BBB disruption. These pathological changes correlate spatially with white matter hyperintensities, enlarged perivascular spaces, and lacunes. Microglia also interact with other glial cells to modulate disease progression. Preclinical studies have shown that modulating microglial phenotypes can be beneficial, though clinical translation remains challenging.
CONCLUSION: Microglia serve as pivotal double-edged players, central to both neuroinflammation and BBB dysfunction in CSVD.Understanding the intricate relationship between microglia and CSVD is essential for elucidating the underlying mechanisms and paves the way for novel therapeutic approaches.
METHODS: This review synthesizes current evidence on microglial involvement in CSVD, covering their heterogeneity, associations with neuroimaging markers, pathogenic mechanisms, and the translational prospects of microglia-directed therapies.
RESULTS: Chronic cerebral hypoperfusion drives microglial activation toward pro-inflammatory phenotypes, triggering oxidative stress, inflammatory mediator release, and BBB disruption. These pathological changes correlate spatially with white matter hyperintensities, enlarged perivascular spaces, and lacunes. Microglia also interact with other glial cells to modulate disease progression. Preclinical studies have shown that modulating microglial phenotypes can be beneficial, though clinical translation remains challenging.
CONCLUSION: Microglia serve as pivotal double-edged players, central to both neuroinflammation and BBB dysfunction in CSVD.Understanding the intricate relationship between microglia and CSVD is essential for elucidating the underlying mechanisms and paves the way for novel therapeutic approaches.