期刊
BIOMED RESEARCH INTERNATIONAL
卷 2014, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2014/686392
关键词
-
资金
- University of Valencia, Spain
- Instituto de Salud Carlos III [FIS PI10/0082, RD06/0045, CB12/03/30016]
- Generalitat Valenciana [ACOMP 2012-238]
Oxidative stress contributes to genomic instability in chronic lymphocytic leukemia (CLL), but its relationship with the acquisition of specific chromosomal abnormalities is unknown. We recruited 55 untreated CLL patients and assessed 8-oxo-2'-deoxyguanosine (8-oxo-dG), glutathione, and malondialdehyde (MDA) levels, and we compared them among the cytogenetic subgroups established using fluorescence in situ hybridization (FISH). Significant increases in 8-oxo-dG and/or MDA were observed in patients with unfavorable cytogenetic aberrations (17p and 11q deletions) compared to the 13q deletion group. TP53 deletion patients exhibited a diminished DNA repair efficiency. Finally, cases with normal FISH also showed enhanced 8-oxo-dG, which could result in adverse outcomes.
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