Functional and Structural Recovery of the Retina after Gene Therapy in the RPE65 Null Mutation Dog

Abstract

In 10 of 11 treated RPE65(-/-) eyes, gene transfer resulted in development of vision, both subjectively apparent by loss of nystagmus, and objectively recorded by ERG. Structurally, there was reversal of lipid droplet accumulation in the RPE. Uveitis developed in 75% of the transgene-treated eyes, a complication possibly due to an immunopathogenic response to the RPE65 molecule.

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