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    Am J Hum Genet. 1991 Dec;49(6):1361-71.

    Adrenoleukodystrophy: a complex chromosomal rearrangement in the Xq28 red/green-color-pigment gene region indicates two possible gene localizations.

    Source

    Laboratoire de Génétique Moléculaire des Eucaryotes du CNRS, Strasbourg, France.

    Abstract

    We have characterized a complex chromosomal rearrangement in band Xq28, in an adrenoleukodystrophy patient who also has blue-cone monochromacy. A 130-kb region upstream from the color-vision pigment genes was isolated as yeast artificial chromosome or cosmid clones. Another Xq28 sequence, not included in the above region, was obtained by cloning a deletion breakpoint from the patient. Using probes derived from the cloned sequences, we have shown that the rearrangement affects the color-pigment genes and includes two deletions, most likely separated by a large (greater than 110-kb) inversion. One deletion encompasses part of the pigment gene cluster and 33 kb of upstream sequences and accounts for the patient's blue-cone monochromacy. If this rearrangement also caused ALD, the disease gene would be expected to lie within or close to one of the deletions. However, deletions were not detected in a 50-kb region upstream of the red-color-pigment gene in 81 other ALD patients. Two CpG islands were mapped, at 46 and 115 kb upstream from the pigment genes.

    PMID:
    1746561
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1686466
    Free PMC Article

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