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  • Title: The human gene for alkaptonuria (AKU) maps to chromosome 3q.
    Author: Janocha S, Wolz W, Srsen S, Srsnova K, Montagutelli X, Guénet JL, Grimm T, Kress W, Müller CR.
    Journal: Genomics; 1994 Jan 01; 19(1):5-8. PubMed ID: 8188241.
    Abstract:
    Alkaptonuria (AKU; McKusick no. 203500) is a rare autosomal recessive disorder caused by the lack of homogentisic acid oxidase activity. Patients excrete large amounts of homogentisic acid in their urine and a black ochronotic pigment is deposited in their cartilage and collagenous tissues. Ochronosis is the predominant clinical complication of the disease leading to ochronotic arthropathy, dark urine, pigment changes of the skin, and other clinical features. A mutation causing alkaptonuria in the mouse has mapped to chromosome 16. Considering conserved synteny, we were able to map the human gene to chromosome 3q in six alkaptonuria pedigrees of Slovak origin.
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