학술논문

Microglia Activation and Inflammation During the Death of Mammalian Photoreceptors
Document Type
article
Source
Annual Review of Vision Science. 6(1)
Subject
Neurodegenerative
Neurosciences
Eye Disease and Disorders of Vision
Eye
Animals
Apoptosis
Ependymoglial Cells
Humans
Macrophage Activation
Phagocytosis
Photoreceptor Cells
Retinal Cone Photoreceptor Cells
Retinal Degeneration
Retinal Pigment Epithelium
Signal Transduction
neuroinflammation
rod
retina
degeneration
macrophage
monocyte
Language
Abstract
Photoreceptors are highly specialized sensory neurons with unique metabolic and physiological requirements. These requirements are partially met by Müller glia and cells of the retinal pigment epithelium (RPE), which provide essential metabolites, phagocytose waste, and control the composition of the surrounding microenvironment. A third vital supporting cell type, the retinal microglia, can provide photoreceptors with neurotrophic support or exacerbate neuroinflammation and hasten neuronal cell death. Understanding the physiological requirements for photoreceptor homeostasis and the factors that drive microglia to best promote photoreceptor survival has important implications for the treatment and prevention of blinding degenerative diseases like retinitis pigmentosa and age-related macular degeneration.