Carbonic anhydrase type II in regenerating retinal pigment epithelium. A histochemical study in the rabbit |
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| Authors: | G E Korte PhD J Smith |
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| Institution: | (1) Department of Ophthalmology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 E. 210th Street, 10467 Bronx, New York, USA;(2) Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Montefiore Medical Center, 111 E. 210th Street, 10467 Bronx, New York, USA |
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| Abstract: | Type II carbonic anhydrase (CAII) in the cytoplasm of the retinal pigment epithelium (RPE) may contribute to the transport of water and solutes across the RPE. The activity of this enzyme in RPE during its response to damage, e.g., during regeneration, is therefore of interest in understanding retinal disease. Immuno-histochemistry was used to compare CAII activity of normal RPE and RPE experimentally induced to regenerate. In normal rabbits, the RPE stained intensely with a peroxidase-linked antibody specific for human CAII. Regenerating RPE stained less intensely. Within the regenerating epithelium, staining appeared more intense in mature cells than in immature ones, suggesting that CAII activity gradually returns during RPE regeneration. |
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| Keywords: | Carbonic anhydrase eye histochemistry regeneration retina retinal pigment epithelium |
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