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Eur J Hum Genet. 1998 May-Jun;6(3):291-5.

Spectrum of ABCR gene mutations in autosomal recessive macular dystrophies.

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Unité de Recherches sur les Handicaps Génétiques de l'Enfant INSERM U-393, Hôpital Necker-Enfants Malades, Paris, France. MUNNICH3@CIT12.FR

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  • Eur J Hum Genet 1999 Jan;7(1):102.


Stargardt disease (STGD) and late-onset fundus flavimaculatus (FFM) are autosomal recessive conditions leading to macular degenerations in childhood and adulthood, respectively. Recently, mutations of the photoreceptor cell-specific ATP binding transporter gene (ABCR) have been reported in Stargardt disease. Here, we report on the screening of the whole coding sequence of the ABCR gene in 40 unrelated STGD and 15 FFM families and we show that mutations truncating the ABCR protein consistently led to STGD. Conversely, all mutations identified in FFM were missense mutations affecting uncharged amino acids. These results provide the first genotype-phenotype correlations in ABCR gene mutations.

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