Table 1.

Experimentally derived relative molar response factors and oxidized DNA base content in peripheral blood mononuclear cells of patients prior to doxorubicin

DNA baseIon
used
RMRF*Oxidized DNA
base level
(nmol/mg DNA)*
Oxidized DNA
base level
(oxidized bases/
106 bases)
Thy Gly 259 0.49 ± 0.13 5.98 ± 6.99 1914 ± 2237 
5-OH-Hyd 317 — 0.81 ± 1.25 259 ± 400 
FapyAde 354 1.66 ± 0.55 0.64 ± 0.64 205 ± 205 
5-OHMe-Ura 358 0.31 ± 0.07 0.60 ± 0.85 192 ± 272 
5,6diOH-Ura 417 2.35 ± 0.87 1.20 ± 0.83 384 ± 266 
5-OH-5-MeHyd 331 0.40 ± 0.10 1.64 ± 2.66 525 ± 851 
5-OH-Ura 329 0.72 ± 0.51 0.60 ± 0.54 192 ± 173 
FapyGua 442 8.20 ± 6.1 6.62 ± 6.24 2118 ± 1997 
Xan 353 0.45 ± 0.30 4.71 ± 3.97 1507 ± 1270 
2-OH-Ade 352 0.25 ± 0.13 0.33 ± 0.77 106 ± 246 
5-OH-Cyt 328 0.46 ± 0.11 0.73 ± 0.72 234 ± 230 
8-OH-Ade 352 0.32 ± 0.12 1.52 ± 0.73 486 ± 237 
8-OH-Gua 440 4.66 ± 2.76 13.30 ± 9.76 4256 ± 3123 
DNA baseIon
used
RMRF*Oxidized DNA
base level
(nmol/mg DNA)*
Oxidized DNA
base level
(oxidized bases/
106 bases)
Thy Gly 259 0.49 ± 0.13 5.98 ± 6.99 1914 ± 2237 
5-OH-Hyd 317 — 0.81 ± 1.25 259 ± 400 
FapyAde 354 1.66 ± 0.55 0.64 ± 0.64 205 ± 205 
5-OHMe-Ura 358 0.31 ± 0.07 0.60 ± 0.85 192 ± 272 
5,6diOH-Ura 417 2.35 ± 0.87 1.20 ± 0.83 384 ± 266 
5-OH-5-MeHyd 331 0.40 ± 0.10 1.64 ± 2.66 525 ± 851 
5-OH-Ura 329 0.72 ± 0.51 0.60 ± 0.54 192 ± 173 
FapyGua 442 8.20 ± 6.1 6.62 ± 6.24 2118 ± 1997 
Xan 353 0.45 ± 0.30 4.71 ± 3.97 1507 ± 1270 
2-OH-Ade 352 0.25 ± 0.13 0.33 ± 0.77 106 ± 246 
5-OH-Cyt 328 0.46 ± 0.11 0.73 ± 0.72 234 ± 230 
8-OH-Ade 352 0.32 ± 0.12 1.52 ± 0.73 486 ± 237 
8-OH-Gua 440 4.66 ± 2.76 13.30 ± 9.76 4256 ± 3123 

RMRF indicates relative molar response factor.

*

Mean ± SD.

1 nmol oxidized base/mg DNA is 32 molecules of the modified base/105 DNA bases.

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