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Genes Chromosomes Cancer. 1993 Nov;8(3):178-84.

Chromosome 10 allelic loss in malignant melanoma.

Author information

1
Wistar Institute, Philadelphia, PA 19104.

Abstract

The involvement of tumor suppressor genes in the progression of melanoma has been suggested by the frequent deletion of specific regions of the genome in melanoma. In this study, a panel of 18 surgically removed melanomas from 15 patients was analyzed for loss of heterozygosity (LOH) at 10 polymorphic loci on chromosome 10. LOH was observed in 7 (50%) of 14 informative patients. LOH data suggested that melanomas from 5 patients had lost entire copies of chromosome 10, and that melanomas from 2 patients had lost copies of 10q. In contrast, LOH was not observed on chromosome 15, 20, or 21. These results are consistent with previous cytogenetic observations and provide indirect evidence that there is a tumor suppressor gene on the long arm of chromosome 10 which is relevant to melanoma development.

PMID:
7509626
DOI:
10.1002/gcc.2870080307
[Indexed for MEDLINE]

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