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  • Title: The effect of sodium iodate and melanin on the formation of glyoxylate.
    Author: Baich A, Ziegler M.
    Journal: Pigment Cell Res; 1992 Dec; 5(6):394-5. PubMed ID: 1492073.
    Abstract:
    Sodium iodate damages retinal pigment epithelium specifically, but the reason for this specificity is not well understood. The work reported here describes an effect of sodium iodate on melanin, a major component of the retinal pigment epithelium. Sodium iodate increases the ability of melanin to convert glycine to glyoxylate. Almost ten times as much glyoxylate is formed when sodium iodate is present compared to the amount formed with melanin alone, although iodate alone does not convert glycine to glyoxylate. A chemical reaction between sodium iodate and melanin is suggested as a partial explanation of the specificity of iodate toxicity towards retinal pigment epithelium.
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