Article ; Online: Microglia as the Critical Regulators of Neuroprotection and Functional Recovery in Cerebral Ischemia.
Cellular and molecular neurobiology
2021 Volume 42, Issue 8, Page(s) 2505–2525
Abstract: Microglial activation is considered as the critical pathogenic event in diverse central nervous system disorders including cerebral ischemia. Proinflammatory responses of activated microglia have been well reported in the ischemic brain and ... ...
Abstract | Microglial activation is considered as the critical pathogenic event in diverse central nervous system disorders including cerebral ischemia. Proinflammatory responses of activated microglia have been well reported in the ischemic brain and neuroinflammatory responses of activated microglia have been believed to be the potential therapeutic strategy. However, despite having proinflammatory roles, microglia can have significant anti-inflammatory roles and they are associated with the production of growth factors which are responsible for neuroprotection and recovery after ischemic injury. Microglia can directly promote neuroprotection by preventing ischemic infarct expansion and promoting functional outcomes. Indirectly, microglia are involved in promoting anti-inflammatory responses, neurogenesis, and angiogenesis in the ischemic brain which are crucial pathophysiological events for ischemic recovery. In fact, anti-inflammatory cytokines and growth factors produced by microglia can promote neuroprotection and attenuate neurobehavioral deficits. In addition, microglia regulate phagocytosis, axonal regeneration, blood-brain barrier protection, white matter integrity, and synaptic remodeling, which are essential for ischemic recovery. Microglia can also regulate crosstalk with neurons and other cell types to promote neuroprotection and ischemic recovery. This review mainly focuses on the roles of microglia in neuroprotection and recovery following ischemic injury. Furthermore, this review also sheds the light on the therapeutic potential of microglia in stroke patients. |
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MeSH term(s) | Anti-Inflammatory Agents/pharmacology ; Brain Ischemia/metabolism ; Cytokines/metabolism ; Humans ; Microglia/metabolism ; Neuroprotection |
Chemical Substances | Anti-Inflammatory Agents ; Cytokines |
Language | English |
Publishing date | 2021-08-30 |
Publishing country | United States |
Document type | Journal Article ; Review |
ZDB-ID | 283404-2 |
ISSN | 1573-6830 ; 0272-4340 |
ISSN (online) | 1573-6830 |
ISSN | 0272-4340 |
DOI | 10.1007/s10571-021-01145-9 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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