Title |
Unraveling the chromosome 17 patterns of FISH in interphase nuclei: an in-depth analysis of the HER2amplicon and chromosome 17 centromere by karyotyping, FISH and M-FISH in breast cancer cells
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Published in |
BMC Cancer, December 2014
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DOI | 10.1186/1471-2407-14-922 |
Pubmed ID | |
Authors |
Milena Rondón-Lagos, Ludovica Verdun Di Cantogno, Nelson Rangel, Teresa Mele, Sandra R Ramírez-Clavijo, Giorgio Scagliotti, Caterina Marchiò, Anna Sapino |
Abstract |
In diagnostic pathology, HER2 status is determined in interphase nuclei by fluorescence in situ hybridization (FISH) with probes for the HER2 gene and for the chromosome 17 centromere (CEP17). The latter probe is used as a surrogate for chromosome 17 copies, however chromosome 17 (Chr17) is frequently rearranged. The frequency and type of specific structural Chr17 alterations in breast cancer have been studied by using comparative genomic hybridization and spectral karyotyping, but not fully detailed. Actually, balanced chromosome rearrangements (e.g. translocations or inversions) and low frequency mosaicisms are assessable on metaphases using G-banding karyotype and multicolor FISH (M-FISH) only. |
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