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Lysophosphatidyl Choline and Cataracts in Uveitis
Edward Cotlier, MD;
Mark Baskin, MD;
Joo Ok Kim, MD;
Karen Lueck
Arch Ophthalmol. 1976;94(7):1159-1162.
Abstract
In aqueous humor from rabbits with uveitis or after anterior chamber paracentesis, the levels of lysophosphatidyl choline (LPC) were 10.2µg/ml and 14.7µg/ml, respectively. These LPC levels induce early cataractous changes in the rabbit lens in culture. Analysis of the fatty acid composition of LPC showed that saturated fatty acids were more predominant in secondary aqueous humor than in primary aqueous humor. In vitro, natural LPC induced more pronounced gains in sodium ions and water by the lens than similar concentrations of synthetic L- -lysopalmitoyl phosphatidyl choline. In contrast to prostaglandin E, the levels of LPC in aqueous humor of rabbits with uveitis are cataractogenic. Thus, LPC or its precursors, rather than prostaglandins, are involved in the production of cataracts in uveitis.
Author Affiliations
From the Department of Ophthalmology, University of Illinois Eye and Ear Infirmary, Chicago.
Footnotes
Accepted for publication Dec 29, 1975.
Reprint requests to University of Illinois Eye and Ear Infirmary, 1855 W Taylor St, Chicago, IL 60612.
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