Spectral karyotyping and multicolor fluorescence in situ hybridization reveal new tumor-specific chromosomal aberrations

Schröck, E.; Padilla-Nash, H.

Seminars in Hematology 37(4): 334-347


ISSN/ISBN: 0037-1963
PMID: 11071356
DOI: 10.1016/s0037-1963(00)90014-3
Accession: 035756228

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Spectral karyotyping (SKY), multiple fluorescence in situ hybridization (M-FISH), cross-species color banding (Rx-FISH), multicolor chromosome banding, and other labeling techniques and strategies have been recent comprehensive technical developments in the field of molecular cytogenetics. The immediate goals of these methods are (1) to reliably characterize complex chromosomal rearrangements present in tumor karyotypes; (2) to screen for new tumor-specific chromosomal aberrations; (3) to improve genetic classification systems of different tumor types in correlation with clinical data, treatment regimens, detection of minimal residual disease, and prognosis; and (4) to identify new target regions for gene identification strategies. We present a brief overview of the different methods, including summaries of numerous published and submitted papers detailing specific cytogenetic aberrations associated with leukemias and lymphomas. To date, 640 tumor cases have been analyzed by SKY, including 410 hematologic malignancies, 146 solid tumors, and 45 mouse tumors.