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Advances in the effect of neurovascular unit in retinal physiological and pathological process

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Author:
No author available
Journal Title:
Chinese Journal of Ocular Fundus Diseases
Issue:
2
DOI:
10.3760/cma.j.cn511434-20210111-00013
Key Word:
视网膜疾病;综述;神经血管单元;Retinal diseases;Review;Neurovascular unit

Abstract: Neurovascular unit (NVU) refers to a functional complex of neural cells and vasculature, which plays an important role in maintaining retinal homeostasis and matching metabolic demands. In physiological situation, retinal NVU mainly exerts two effects: (1) maintaining blood-retinal barrier for retinal homeostasis maintenance; (2) regulating local blood flow to meet metabolic and functional demands of the retina. The pathological changes in retinal diseases are reflected in each functional part of retinal NVU, including cell-cell connections, signal pathways, metabolic activities and cellular functions. However, the main pattern and manifestation of NVU impairment differs among retinal diseases due to different etiologies. At present, understanding on retinal NVU is still insufficient, and its clinical application is even more limited. Further application in the diagnosis and treatment of retinal diseases is an important direction for future research on NVU.

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