Research Article

Increased Oxidative Damage Associated with Unfavorable Cytogenetic Subgroups in Chronic Lymphocytic Leukemia

Table 2

Oxidative stress parameters and cytogenetic subgroups in CLL patients.

  del(13q14) 
= 18 
Mean ± SD 
Trisomy 12 
= 8 
Mean ± SD 
del(11q22) 
= 6 
Mean ± SD 
del(17p13) 
= 6 
Mean ± SD 
Normal FISH 
= 17 
Mean ± SD 
valuea

Lymphocytes 8-oxo-dG/106 dG39.40 ± 15.6944.65 ± 12.2643.58 ± 16.8254.46 ± 21.6657.17 ± 18.450.034
Urinary 8-oxo-dG (nmol/mmol creatinine)19.70 ± 15.3222.87 ± 15.1327.31 ± 15.0312.22 ± 4.5018.76 ± 11.600.676
Glutathione (nmol/mg prot.)28.28 ± 5.0826.15 ± 5.7535.48 ± 9.0026.72 ± 6.3528.30 ± 8.090.118
MDA (nmol/mg prot.)1.14 ± 0.611.04 ± 0.742.09 ± 1.732.08 ± 0.781.48 ± 0.780.050

8-oxo-dG: 8-oxo-2-deoxyguanosine; MDA: malondialdehyde; SD: standard deviation.
aTo determine whether there were any global significant differences between the means of cytogenetic subgroups, we performed the one-way analysis of variance (ANOVA) test.