期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 17, 页码 -出版社
MDPI
DOI: 10.3390/ijms22179486
关键词
stroke; lymphatics; lymphangiogenesis; CNS neuroinflammation
资金
- National Institutes of Health [5R01NS103506, 5R01NS108497, 5T32GM135119]
Stroke disrupts homeostatic balance in the brain, leading to accumulation of cell debris, fluid, and immune cells within the central nervous system. The communication between peripheral immune system and CNS plays a crucial role in regulating post-stroke brain homeostasis and influencing recovery outcomes. Therapeutic manipulation of peripheral systems may offer new approaches for treating stroke injuries.
Stroke disrupts the homeostatic balance within the brain and is associated with a significant accumulation of necrotic cellular debris, fluid, and peripheral immune cells in the central nervous system (CNS). Additionally, cells, antigens, and other factors exit the brain into the periphery via damaged blood-brain barrier cells, glymphatic transport mechanisms, and lymphatic vessels, which dramatically influence the systemic immune response and lead to complex neuroimmune communication. As a result, the immunological response after stroke is a highly dynamic event that involves communication between multiple organ systems and cell types, with significant consequences on not only the initial stroke tissue injury but long-term recovery in the CNS. In this review, we discuss the complex immunological and physiological interactions that occur after stroke with a focus on how the peripheral immune system and CNS communicate to regulate post-stroke brain homeostasis. First, we discuss the post-stroke immune cascade across different contexts as well as homeostatic regulation within the brain. Then, we focus on the lymphatic vessels surrounding the brain and their ability to coordinate both immune response and fluid homeostasis within the brain after stroke. Finally, we discuss how therapeutic manipulation of peripheral systems may provide new mechanisms to treat stroke injury.
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