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lüll Comparative genomic hybridization (CGH)-arrays pave the way for identification of novel cancer-related genes Inazawa J; Inoue J; Imoto ICancer Sci 2004[Jul]; 95 (7): 559-63Comparative genomic hybridization (CGH) has already made a significant impact on cancer cytogenetics. However, CGH to metaphase chromosomes can provide only limited resolution at the 5-10 Mb level. To circumvent this limitation, array-based CGH has been devised. Since spotted DNAs in a CGH-array contain sequence information directly connected with the genome database, we can easily note particular biological aspects of genes that lie within regions involved in copy-number aberrations. High-density, sub-megabase arrays can reveal nonrandom chromosome copy-number aberrations responsible for neoplastic transformation that have been masked under complex karyotypes in epithelial solid tumors. High-density CGH-array therefore paves the way for identification of disease-related genetic aberrations that have not yet been detected by existing technologies, and array-based CGH technology should soon be practical for diagnosis of cancer or genetic diseases in the clinical setting.|*Chromosome Aberrations[MESH]|*Gene Expression Profiling[MESH]|*Oligonucleotide Array Sequence Analysis[MESH]|Humans[MESH]|Karyotyping[MESH]|Neoplasms/*genetics[MESH]|Nucleic Acid Hybridization/*methods[MESH]|Quality Control[MESH] |