Combined molecular biological and molecular cytogenetic analysis of genomic changes in 146 patients with B-cell chronic lymphocytic leukemia
| Autor: | A, Berkova, L, Pavlistova, L, Babicka, L, Houskova, J, Tajtlova, P, Balazi, E, Cmunt, J, Schwarz, J, Karban, M, Trneny, J, Brezinova, Z, Zemanova, K, Michalova |
|---|---|
| Rok vydání: | 2008 |
| Předmět: |
Aged
80 and over Chromosome Aberrations Chromosomes Human Pair 14 Male Chromosomes Human Pair 12 Chromosomes Human Pair 13 Trisomy Middle Aged Leukemia Lymphocytic Chronic B-Cell Survival Analysis Molecular Diagnostic Techniques Cytogenetic Analysis Mutation Humans Female Immunoglobulin Heavy Chains In Situ Hybridization Fluorescence Aged Retrospective Studies |
| Zdroj: | Neoplasma. 55(5) |
| ISSN: | 0028-2685 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|