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Department of Emergency Medicine, Kyung Hee University Hospital at Gangdong, Seoul 134-727, KoreaReceived January 6, 2012, Accepted January 20, 2012Key Words : Aging, Lipofuscin, Retinal pigment epithelium Retinal age pigments, or lipofuscin granula, contain anumber of fluorophores that accumulate as a consequence oflight-related vitamin A recycling in association with agingand with some retinal disorders in retinal pigment epithelial(RPE) cells.

Preparation of a Thiolated Derivative of A2E, a Pigment of the Lipofuscin of Retinal Pigment Epithelial Cells