Edelmann, Jennifer, Holzmann, Karlheinz, Miller, Florian, Winkler, Dirk, Buehler, Andreas, Zenz, Thorsten, Bullinger, Lars ORCID: 0000-0002-5890-5510, Kuehn, Michael W. M., Gerhardinger, Andreas, Bloehdorn, Johannes, Radtke, Ina, Su, Xiaoping, Ma, Jing, Pounds, Stanley, Hallek, Michael, Lichter, Peter, Korbel, Jan, Busch, Raymonde, Mertens, Daniel ORCID: 0000-0003-0227-7188, Downing, James R., Stilgenbauer, Stephan and Doehner, Hartmut (2012). High-resolution genomic profiling of chronic lymphocytic leukemia reveals new recurrent genomic alterations. Blood, 120 (24). S. 4783 - 4795. WASHINGTON: AMER SOC HEMATOLOGY. ISSN 0006-4971

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Abstract

To identify genomic alterations in chronic lymphocytic leukemia (CLL), we performed single-nucleotide polymorphism-array analysis using Affymetrix Version 6.0 on 353 samples from untreated patients entered in the CLL8 treatment trial. Based on paired-sample analysis (n = 144), a mean of 1.8 copy number alterations per patient were identified; approximately 60% of patients carried no copy number alterations other than those detected by fluorescence in situ hybridization analysis. Copy-neutral loss-of-heterozygosity was detected in 6% of CLL patients and was found most frequently on 13q, 17p, and 11q. Minimally deleted regions were refined on 13q14 (deleted in 61% of patients) to the DLEU1 and DLEU2 genes, on 11q22.3 (27% of patients) to ATM, on 2p16.1-2p15 (gained in 7% of patients) to a 1.9-Mb fragment containing 9 genes, and on 8q24.21 (5% of patients) to a segment 486 kb proximal to the MYC locus. 13q deletions exhibited proximal and distal breakpoint cluster regions. Among the most common novel lesions were deletions at 15q15.1 (4% of patients), with the smallest deletion (70.48 kb) found in the MGA locus. Sequence analysis of MGA in 59 samples revealed a truncating mutation in one CLL patient lacking a 15q deletion. MNT at 17p13.3, which in addition to MGA and MYC encodes for the network of MAX-interacting proteins, was also deleted recurrently. (Blood. 2012;120(24):4783-4794)

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Edelmann, JenniferUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Holzmann, KarlheinzUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Miller, FlorianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Winkler, DirkUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buehler, AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zenz, ThorstenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bullinger, LarsUNSPECIFIEDorcid.org/0000-0002-5890-5510UNSPECIFIED
Kuehn, Michael W. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerhardinger, AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bloehdorn, JohannesUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Radtke, InaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Su, XiaopingUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ma, JingUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pounds, StanleyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hallek, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lichter, PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korbel, JanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Busch, RaymondeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mertens, DanielUNSPECIFIEDorcid.org/0000-0003-0227-7188UNSPECIFIED
Downing, James R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stilgenbauer, StephanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doehner, HartmutUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-476884
DOI: 10.1182/blood-2012-04-423517
Journal or Publication Title: Blood
Volume: 120
Number: 24
Page Range: S. 4783 - 4795
Date: 2012
Publisher: AMER SOC HEMATOLOGY
Place of Publication: WASHINGTON
ISSN: 0006-4971
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
ACUTE LYMPHOBLASTIC-LEUKEMIA; GENETIC ALTERATIONS; CHROMOSOME 13Q14; POOR-PROGNOSIS; WIDE ANALYSIS; FOLLOW-UP; MYC; FLUDARABINE; MUTATIONS; DELETIONMultiple languages
HematologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/47688

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