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  • Title: Isolation of DNA markers in the direction of the Huntington disease gene from the G8 locus.
    Author: Smith B, Skarecky D, Bengtsson U, Magenis RE, Carpenter N, Wasmuth JJ.
    Journal: Am J Hum Genet; 1988 Feb; 42(2):335-44. PubMed ID: 2963539.
    Abstract:
    To facilitate identification of additional DNA markers near and on opposite sides of the Huntington disease (HD) gene, we developed a panel of somatic-cell hybrids that allows accurate subregional mapping of DNA fragments in the distal portion of 4p. By means of the hybrid-cell mapping panel and a library of DNA fragments enriched for sequences from the terminal one-third of the short arm of chromosome 4, 105 DNA fragments were mapped to six different physical regions within 4p15-4pter. Four polymorphic DNA fragments of particular interest were identified, at least three of which are distal to the HD-linked D4S10 (G8) locus, a region of 4p previously devoid of DNA markers. Since the HD gene has also recently been shown to be distal to G8, these newly identified DNA markers are in the direction of the HD gene from G8, and one or more of them may be on the opposite side of HD from G8.
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