Journal
INTERNATIONAL JOURNAL OF CANCER
Volume 115, Issue 5, Pages 742-746Publisher
WILEY
DOI: 10.1002/ijc.20946
Keywords
nasopharyngeal carcinoma; HLA polymorphism; association study; microsatellite
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Nasopharyngeal carcinoma (NPC) is an epithelial tumor uniquely prevalent in southern Chinese. HLA-A2 is associated with NPC. In a previous study, we showed that the genes associated with susceptibility to NPC are primarily located within the HLA-A locus in Taiwanese NPC patients. However, the pathogenic genes causing NPC susceptibility remain unknown. Here, 8 polymorphic microsatellite markers distributed over a 1 megabase region surrounding the HLA-A locus were subjected to genetic analysis for the NPC-susceptibility locus. Statistical studies of associated alleles detected on each microsatellite locus showed that the NPC-susceptibility genes are most likely located between the D6S510 and D6S211 markers within a 132 kb segment containing the HLA-A locus. These results undoubtedly would facilitate the further positional cloning of the NPC-susceptibility locus, which has been elusive for the past 30 years. (c) 2005 Wiley-Liss, Inc.
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