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Genes Chromosomes Cancer. 1991 May;3(3):215-20.

Deletion mapping of chromosomes 8, 10, and 16 in human prostatic carcinoma.

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Ludwig Institute for Cancer Research, Stockholm Branch, Sweden.


In an allelotyping study prostatic carcinoma, we found the highest frequency of allelic deletions on chromosomes 8, 10, 16, and 18. In all cases with allelic deletions, at least one of the chromosomes 8, 10, and 16 were involved. A detailed deletion mapping of these chromosomes in 18 cases was carried out with probes that detect restriction fragment length polymorphisms (RFLP) on chromosomes 8 (6 probes), 10 (11 probes), and 16 (9 probes). The highest frequency of allelic deletions were found on 8p (65%), where the minimally deleted region was between the PLAT locus and pter. The long arm of chromosome 16 had allelic deletions in 56% of informative cases, with three different break points, the most distal being located between D16S4 and D16S7. Chromosome 10 exhibited a complex deletion pattern with terminal deletions of the p or the q arm (2 cases each), a deletion pattern that could be interpreted as nonreciprocal translocations of the q arm (2 cases), or allelic losses on all informative loci, suggesting monosomy (2 cases). Our data suggest that tumor suppressor genes involved in the oncogenesis of prostatic carcinoma may be localized between 8 pter and the PLAT locus and that additional/alternative tumor suppressor genes may be localized on chromosome 10 and on the long arm of chromosome 16 distal to the D16S4 locus.

[Indexed for MEDLINE]

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