PMID- 11170284 OWN - NLM STAT- MEDLINE DCOM- 20010412 LR - 20061115 IS - 1045-2257 (Print) IS - 1045-2257 (Linking) VI - 30 IP - 3 DP - 2001 Mar TI - Characterization of complex chromosomal abnormalities in uveal melanoma by fluorescence in situ hybridization, spectral karyotyping, and comparative genomic hybridization. PG - 267-73 AB - Several nonrandom recurrent chromosomal changes are observed in uveal melanoma. Some of these abnormalities, e.g., loss of chromosome 3, gain of the q arm of chromosome 8, and chromosome 6 abnormalities, are of prognostic value. Cytogenetic analysis and/or fluorescence in situ hybridization (FISH) are used to detect these changes. In some cases, however, detailed cytogenetic analysis is not possible due to the presence of complex abnormalities. To define more accurately these cytogenetic changes, we have applied comparative genomic hybridization (CGH) and/or spectral karyotyping (SKY) to two uveal melanoma cell lines and five primary uveal melanomas, with partially defined and/or complex abnormalities. SKY provided additional information on 34/39 partially defined aberrant chromosomes and revealed a new abnormality, a der(17)t(7;17)(?;q?), that had not been recognized by conventional cytogenetics. Additionally, using SKY, abnormalities involving chromosome 6 or 8 were found to be twice as common as observed with cytogenetic analysis. CGH was especially useful in assigning the abnormalities identified by SKY to specific chromosomal regions and, in addition, resulted in the detection of a small deletion of chromosome region 3q13 approximately 21. We conclude that SKY and CGH, as methods complementary to cytogenetic and FISH analysis, provide more complete information on the chromosomal abnormalities occurring in uveal melanoma. CI - Copyright 2001 Wiley-Liss, Inc. FAU - Naus, N C AU - Naus NC AD - Department of Ophthalmology, Erasmus University Rotterdam, Rotterdam, The Netherlands. FAU - van Drunen, E AU - van Drunen E FAU - de Klein, A AU - de Klein A FAU - Luyten, G P AU - Luyten GP FAU - Paridaens, D A AU - Paridaens DA FAU - Alers, J C AU - Alers JC FAU - Ksander, B R AU - Ksander BR FAU - Beverloo, H B AU - Beverloo HB FAU - Slater, R M AU - Slater RM LA - eng PT - Comparative Study PT - Journal Article PL - United States TA - Genes Chromosomes Cancer JT - Genes, chromosomes & cancer JID - 9007329 SB - IM MH - Adult MH - Aged MH - Chromosome Aberrations/*genetics MH - Chromosome Disorders MH - Chromosomes, Human, Pair 6/genetics MH - Chromosomes, Human, Pair 8/genetics MH - Female MH - Humans MH - *In Situ Hybridization, Fluorescence MH - *Karyotyping/methods MH - Male MH - Melanoma/*genetics MH - Middle Aged MH - Nucleic Acid Hybridization MH - Tumor Cells, Cultured MH - Uveal Neoplasms/*genetics EDAT- 2001/02/15 11:00 MHDA- 2001/04/17 10:01 CRDT- 2001/02/15 11:00 PHST- 2001/02/15 11:00 [pubmed] PHST- 2001/04/17 10:01 [medline] PHST- 2001/02/15 11:00 [entrez] AID - 10.1002/1098-2264(200103)30:3<267::AID-GCC1088>3.0.CO;2-S [pii] PST - ppublish SO - Genes Chromosomes Cancer. 2001 Mar;30(3):267-73.