Genomic DNA-chip hybridization in t(11;14)-positive mantle cell lymphomas shows a high frequency of aberrations and allows a refined characterization of consensus regions
摘要：
Tumor samples of 53 patients with t(11;14)-positive mantle cell lymphomas (MCLs) were analyzed by matrix-based comparative genomic hybridization (matrix-CGH) using a dedicated DNA array. In 49 cases, genomic aberrations were identified. In comparison to chromosomal CGH, a 50% higher number of aberrations was found and the high specificity of matrix-CGH was demonstrated by fluorescence in situ hybridization (FISH) analyses. The 11q gains and 13q34 deletions, which have not been described as frequent genomic aberrations in MCL, were identified by matrix-CGH in 15 and 26 cases, respectively. For several genomic aberrations, novel consensus regions were defined: 8p21 (size of the consensus region, 2.4 megabase pairs [Mbp]; candidate genes: TNFRSF10B, TNFRSF10C, TNFRSF10D); 10p13 (2.7 Mbp; BMI1); 11q13 (1.4 Mbp; RELA); 11q13 (5.2 Mbp; CCND1); 13q14 (0.4 Mbp; RFP2, BCMSUN) and 13q34 (6.9 Mbp). In univariate analyses correlating genomic aberrations and clinical course, 8p- and 13q14- deletions were associated with an inferior overall survival. These data provide a basis for further studies focusing on the identification of pathogenetically or clinically relevant genes in MCL.
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Animals Synapses Ganglia Neurons Motor Neurons Temperature Action Potentials Synaptic Transmission Nephropidae
DOI：
10.1182/blood-2003-12-4175
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年份：
2004
Elsevier
万方医学
万方医学
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