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    Science. 1999 Jul 9;285(5425):263-5.

    hRAD30 mutations in the variant form of xeroderma pigmentosum.

    Source

    Sealy Center for Molecular Science, University of Texas Medical Branch at Galveston, 6.104 Medical Research Building, 11th and Mechanic Streets, Galveston, TX 77555-1061, USA.

    Abstract

    Xeroderma pigmentosum (XP) is an autosomal recessive disease characterized by a high incidence of skin cancers. Yeast RAD30 encodes a DNA polymerase involved in the error-free bypass of ultraviolet (UV) damage. Here it is shown that XP variant (XP-V) cell lines harbor nonsense or frameshift mutations in hRAD30, the human counterpart of yeast RAD30. Of the eight mutations identified, seven would result in a severely truncated hRad30 protein. These results indicate that defects in hRAD30 cause XP-V, and they suggest that error-free replication of UV lesions by hRad30 plays an important role in minimizing the incidence of sunlight-induced skin cancers.

    PMID:
    10398605
    [PubMed - indexed for MEDLINE]

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