PMID- 26305789 OWN - NLM STAT- MEDLINE DCOM- 20160613 LR - 20220129 IS - 1098-2264 (Electronic) IS - 1045-2257 (Print) IS - 1045-2257 (Linking) VI - 54 IP - 11 DP - 2015 Nov TI - Detection of chromothripsis-like patterns with a custom array platform for chronic lymphocytic leukemia. PG - 668-80 LID - 10.1002/gcc.22277 [doi] AB - Chronic lymphocytic leukemia (CLL) is a common disease with highly variable clinical course. Several recurrent chromosomal alterations are associated with prognosis and may guide risk-adapted therapy. We have developed a targeted genome-wide array to provide a robust tool for ascertaining abnormalities in CLL and to overcome limitations of the 4-marker fluorescence in situ hybridization (FISH). DNA from 180 CLL patients were hybridized to the qChip(R)Hemo array with a high density of probes covering commonly altered loci in CLL (11q22-q23, 13q14, and 17p13), nine focal regions (2p15-p16.1, 2p24.3, 2q13, 2q36.3-q37.1, 3p21.31, 8q24.21, 9p21.3, 10q24.32, and 18q21.32-q21.33) and two larger regions (6q14.1-q22.31 and 7q31.33-q33). Overall, 86% of the cases presented copy number alterations (CNA) by array. There was a high concordance of array findings with FISH (84% sensitivity, 100% specificity); all discrepancies corresponded to subclonal alterations detected only by FISH. A chromothripsis-like pattern was detected in eight cases. Three showed concomitant shattered 5p with gain of TERT along with isochromosome 17q. Presence of 11q loss was associated with shorter time to first treatment (P = 0.003), whereas 17p loss, increased genomic complexity, and chromothripsis were associated with shorter overall survival (P < 0.001, P = 0.001, and P = 0.02, respectively). In conclusion, we have validated a targeted array for the diagnosis of CLL that accurately detects, in a single experiment, all relevant CNAs, genomic complexity, chromothripsis, copy number neutral loss of heterozygosity, and CNAs not covered by the FISH panel. This test may be used as a practical tool to stratify CLL patients for routine diagnostics or clinical trials. CI - (c) 2015 The Authors. Genes, Chromosomes & Cancer Published by Wiley Periodicals, Inc. FAU - Salaverria, Itziar AU - Salaverria I AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Martin-Garcia, David AU - Martin-Garcia D AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Lopez, Cristina AU - Lopez C AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. AD - Institute of Human Genetics, University Hospital Schleswig-Holstein, Campus Kiel/Christian-Albrechts University, Kiel, Germany. FAU - Clot, Guillem AU - Clot G AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Garcia-Aragones, Manel AU - Garcia-Aragones M AD - R&D, Department, Quantitative Genomic Medicine Laboratories (qGenomics), Barcelona, Spain. FAU - Navarro, Alba AU - Navarro A AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Delgado, Julio AU - Delgado J AD - Department of Hematology, Hospital Clinic, IDIBAPS, Barcelona, Spain. FAU - Baumann, Tycho AU - Baumann T AD - Department of Hematology, Hospital Clinic, IDIBAPS, Barcelona, Spain. FAU - Pinyol, Magda AU - Pinyol M AD - Genomics Unit, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Martin-Guerrero, Idoia AU - Martin-Guerrero I AD - Institute of Human Genetics, University Hospital Schleswig-Holstein, Campus Kiel/Christian-Albrechts University, Kiel, Germany. AD - Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country, Leioa, Spain. FAU - Carrio, Ana AU - Carrio A AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Costa, Dolors AU - Costa D AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Queiros, Ana C AU - Queiros AC AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Jayne, Sandrine AU - Jayne S AD - Ernest and Helen Scott Haematological Research Institute, Department of Biochemistry, University of Leicester, Leicester, UK. FAU - Aymerich, Marta AU - Aymerich M AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Villamor, Neus AU - Villamor N AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Colomer, Dolors AU - Colomer D AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Gonzalez, Marcos AU - Gonzalez M AD - Department of Hematology, Hospital Clinico-IBSAL, Cancer Institute of Salamanca-IBMCC (USAL-CSIC), Salamanca, Spain. FAU - Lopez-Guillermo, Armando AU - Lopez-Guillermo A AD - Department of Hematology, Hospital Clinic, IDIBAPS, Barcelona, Spain. FAU - Campo, Elias AU - Campo E AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. FAU - Dyer, Martin J S AU - Dyer MJ AD - Ernest and Helen Scott Haematological Research Institute, Department of Biochemistry, University of Leicester, Leicester, UK. FAU - Siebert, Reiner AU - Siebert R AD - Institute of Human Genetics, University Hospital Schleswig-Holstein, Campus Kiel/Christian-Albrechts University, Kiel, Germany. FAU - Armengol, Lluis AU - Armengol L AD - R&D, Department, Quantitative Genomic Medicine Laboratories (qGenomics), Barcelona, Spain. FAU - Bea, Silvia AU - Bea S AD - Hematopathology Unit, Hospital Clinic Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. LA - eng GR - 12-0142/AICR_/Worldwide Cancer Research/United Kingdom PT - Journal Article PT - Multicenter Study PT - Research Support, Non-U.S. Gov't DEP - 20150825 PL - United States TA - Genes Chromosomes Cancer JT - Genes, chromosomes & cancer JID - 9007329 SB - IM MH - Adult MH - Aged MH - Aged, 80 and over MH - *Chromosome Aberrations MH - Female MH - Gene Dosage MH - Genome, Human MH - Humans MH - Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis/*genetics MH - Male MH - Middle Aged MH - Mutation MH - Oligonucleotide Array Sequence Analysis/methods PMC - PMC4832286 EDAT- 2015/08/26 06:00 MHDA- 2016/06/14 06:00 PMCR- 2016/04/15 CRDT- 2015/08/26 06:00 PHST- 2015/04/13 00:00 [received] PHST- 2015/06/04 00:00 [revised] PHST- 2015/06/04 00:00 [accepted] PHST- 2015/08/26 06:00 [entrez] PHST- 2015/08/26 06:00 [pubmed] PHST- 2016/06/14 06:00 [medline] PHST- 2016/04/15 00:00 [pmc-release] AID - GCC22277 [pii] AID - 10.1002/gcc.22277 [doi] PST - ppublish SO - Genes Chromosomes Cancer. 2015 Nov;54(11):668-80. doi: 10.1002/gcc.22277. Epub 2015 Aug 25.