DNA gains at 8q23.2: a potential early marker in head and neck carcinomas
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Data
2003-10-15
Autores
Veiga, LCD
Bergamo, N. A.
dos Reis, P. P.
Kowalski, L. P.
Rogatto, Silvia Regina [UNESP]
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Elsevier B.V.
Resumo
Gains or amplifications involving chromosome arm 8q are one of the most recurrent chromosomal alterations in head and neck tumors. To characterize previously reported gains, we performed fluorescence in situ hybridization (FISH) using the sequences BAC RP1179E1 and 8-centromere PMJ 128 as probes. Gains and/or amplifications were detected in all 19 cases evaluated by FISH. The FISH analysis, but not G-banding, revealed homogeneously staining region in three cases. We conclude that gains of one or more genes on chromosome arm 8q may be important for the early stages of head and neck carcinomas. (C) 2003 Elsevier B.V. All rights reserved.
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Cancer Genetics and Cytogenetics. New York: Elsevier B.V., v. 146, n. 2, p. 110-115, 2003.