J Korean Ophthalmol Soc.
2002 Jan;43(1):197-203.
Histochemical Electron Microscopic Findings of the Distribution of the Glycosaminoglycans of Cultured Sensory Retina
- Affiliations
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- 1Department of Ophthalmology, College of Medicine, Hanyang University Hospital, Korea. fovea@hanyang.ac.kr
- 2Department of Ophthalmology, College of Medicine, University of Ulsan, Asan Medical Center, Korea.
Abstract
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PURPOSE: This study was performed to investigate the distribution of glycosaminiglycans by the activated retinal neuronal cell on the cultured retinal tissue.
METHODS
The retinal tissue was obtained from the donor eyeball without the pathological findings of the retina. The dissected retinal tissue was cultured for 2 weeks in the culture media and reacted with ruthenium red dye to observe the glycosaminoglycans reaction with transmission electron microscopy.
RESULTS
The histochemical reaction to ruthenium red on the cultured retina tissue was prominent on the internal limiting membrane, intercellular space between the axons and dendrites at the outer and inner plexiform layers and interphotoreceptor matrix.
CONCLUSIONS
These findings suggest that GAGs may be released into the extracellular spaces between the axons and dendrites, which modulate the retinal circuits.
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