Abstract：
:Interphase fluorescence in situ hybridization was used to detect common deletions in B-CLL patients as well as trisomy 12 and aberrations of IgH gene complex at 14q32.33 where we evaluated not only translocation-like signal pattern but also deletions. 120 (82%) patients showed genetic changes - del(13)(q14) 95 (62%), deletion of ATM gene 22 (15%), deletion of p53 gene 25 (17%) and trisomy 12 was proved in 18 (12%) cases. IgH rearrangements were detected in 45 (31%), split of the signals in 11 (8%), deletion of 3' segment flanking IgH gene in 5 (3%) and deletions of variable segment in 29 (20%) patients. Although deletions of 3' segment flanking IgH gene complex are supposed to have an adverse prognostic impact and the genetic background of variable segment deletions is believed to be most probably physiological, we assumed a detailed mapping of the 14q32.33 region will be needed to unravel these mysteries.
journal_name
Neoplasmajournal_title
Neoplasmaauthors
Berkova A,Pavlistova L,Babicka L,Houskova L,Tajtlova J,Balazi P,Cmunt E,Schwarz J,Karban J,Trneny M,Brezinova J,Zemanova Z,Michalova Ksubject
Has Abstractpub_date
2008-01-01 00:00:00pages
400-8issue
5eissn
0028-2685issn
1338-4317journal_volume
55pub_type
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