Biochemical defects in ABCR protein variants associated with human retinopathies.

Abstract excerpt

Mutations in the gene encoding ABCR (ABCA4), a photoreceptor-specific ATP-binding cassette (ABC) transporter, are responsible for autosomal recessive Stargardt disease (STGD), an early onset macular degeneration, and some forms of autosomal recessive cone-rod dystrophy and autosomal recessive retinitis pigmentosa. Heterozygosity for ABCA4 mutations may also represent a risk factor for age-related macular...

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