This study is a linkage analysis of families with human prostate cancer. Papers published in Science (1996), Nature Genetics (1998) have shown evidence of prostate cancer susceptibility genes in regions of chromosome 1 and chromosome X. These results have been followed up by intensive linkage analyses of additional families to markers in these regions and in other regions that showed some mild evidence of linkage in the initial genome scan. Families have been obtained and genotyped from several regions of the United States, Finland, Iceland and Sweden. Dr. Bailey-Wilson's group is involved in the analyses of the Finnish and Icelandic data. Papers were previously published this in Clinical Cancer Research (2000) showing strong evidence for the chromosome X locus but limited evidence for the chromosome 1 locus in our Finnish data. Another paper was published in Human Genetics (2000) detailing the linkage results in the Icelandic data. Efforts are underway to develop additional family resources for this project. These investigators have joined a national Prostate Cancer Linkage Consortium to try to localize prostate cancer loci more rapidly, and a meta-analysis paper from this consortium describing the evidence for linkage to the chromosome 1 locus in a very large combined dataset was published previously. This consortium has just obtained funding through an NCI grant to allow genotyping of this large data resource for additional interesting regions that have been implicated as regions of susceptibility loci in prostate cancer. This work will be ongoing. Association analyses have also been performed on additional marker data from Finland, Iceland and the U.S. A paper was published in this fiscal year (Int J Cancer 2002) detailing one of these association studies and another manuscript is currently being prepared. A linkage genome-wide scan of families from Finland, Sweden, and the U.S., including a significant number of African-American families from the African American Hereditary Prostate Cancer Consortium, of which Dr. Bailey-Wilson is a member, is ongoing in this fiscal year and will continue into the next year. A paper has been submitted detailing the results of this genome wide scan in the Finnish families. Analyses of the other datasets and of fine mapping data for the Finnish dataset will be ongoing into the next fiscal year.
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