期刊
ANNUAL REVIEW OF VISION SCIENCE, VOL 4
卷 4, 期 -, 页码 45-77出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-vision-091517-034425
关键词
microglia; retina; development; homeostasis; disease; therapy
资金
- NATIONAL EYE INSTITUTE [ZIAEY000463, ZIAEY000541] Funding Source: NIH RePORTER
Microglia, the primary resident immune cell type, constitute a key population of glia in the retina. Recent evidence indicates that microglia play significant functional roles in the retina at different life stages. During development, retinal microglia regulate neuronal survival by exerting trophic influences and influencing programmed cell death. During adulthood, ramified microglia in the plexiform layers interact closely with synapses to maintain synaptic structure and function that underlie the retina's electrophysiological response to light. Under pathological conditions, retinal microglia participate in potentiating neurodegeneration in diseases such as glaucoma, retinitis pigmentosa, and age-related neurodegeneration by producing proinflammatory neurotoxic cytokines and removing living neurons via phagocytosis. Modulation of pathogenic microglial activation states and effector mechanisms has been linked to neuroprotection in animal models of retinal diseases. These findings have led to the design of early proof-of-concept clinical trials with microglial modulation as a therapeutic strategy.
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