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Cancer Genet Cytogenet. 1998 Jan 1;100(1):68-71.

10q deletions in metastatic cutaneous melanoma.

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Westmead Institute for Cancer Research, University of Sydney, Westmead Hospital, Australia.


Cytogenetic and allelic deletion studies have indicated that the loss of distal chromosome 10q may be a frequent and early event in melanoma tumorigenesis. We have studied nine polymorphic markers spanning 56 cM of this region in 27 advanced melanomas and find that half exhibited loss of the entire region, but none had more limited deletions. Because all these tumors had a codeletion of 9p, the 10q deletion event is likely to impair a pathway other than the cyclin-dependent kinase-mediated phosphorylation of the retinoblastoma protein.

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