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  • Title: Regional assignment of the human keratin 5 (KRT5) gene to chromosome 12q near D12S14 by PCR analysis of somatic cell hybrids and multicolor in situ hybridization.
    Author: Bonifas JM, Bare JW, Lynch ED, Lebo RV, Epstein EH.
    Journal: Genomics; 1992 Jun; 13(2):452-4. PubMed ID: 1377166.
    Abstract:
    Keratin 5 is the major type II keratin of the basal cells of epidermis and of other stratified epithelia. With its type I partner, keratin 14, it constitutes a major fraction of the cytoskeleton of the basal cells. Because the inheritance of epidermolysis bullosa simplex, a disease of epidermal basal cell fragility, was mapped in one family to chromosome 12q close to D12S14, we undertook to localize the gene for keratin 5. Polymerase chain reaction analysis of somatic cell hybrids mapped the keratin 5 gene to chromosome 12, and multicolor fluorescence in situ hybridization localized it to 12q very near D12S14. This sublocalization exemplifies the utility of in situ physical localization in assessing the candidacy of genes thought to underlie inherited disorders.
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