Allelic imbalance in hereditary and sporadic prostate cancer.
SourceProstate, 54, 1, (2003), pp. 50-57
Article / Letter to editor
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SubjectEBP 1: Determinants in Health and Disease; UMCN 1.2: Molecular diagnosis, prognosis and monitoring; UMCN 1.3: Tumor microenvironment
BACKGROUND: In this study, we evaluate the pattern of allelic imbalance (AI) in both sporadic prostate cancer (SPC) and hereditary prostate cancer (HPC) at loci that frequently show allelic imbalance in sporadic prostate cancer, or are believed to have a putative role in the disease. METHODS: DNA obtained from 35 sporadic tumors and 46 hereditary tumors were tested for AI, by using a panel of 35 microsatellite markers. RESULTS: Chromosomal regions that display high frequencies of AI (>or=30%) in HPC include 1q, 5q, 7q, 8p, 13q, 16q, 17q, 18q, and 20q. In SPC, high frequencies of AI were found at 5q, 7q, 8p, 10q, 13q. Main differences (delta >or= 20%) in AI between HPC and SPC were at 1q, 10q, 17q, 18q, and 20q. CONCLUSION: AI at the prostate cancer susceptibility loci HPC1, PCaP, and HPC20 was seen more often in HPC compared with SPC. It appears that there are marked differences in the pattern of AI between sporadic and hereditary PCa.
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