Cellular level of 8-oxo-2'-deoxyguanosine in DNA does not correlate with urinary excretion of the modified base/nucleoside.
We assessed a relationship between the level of 8-oxodG in leukocyte DNA measured with the high performance liquid chromatography with electrochemical detection (HPLC/EC) technique and urinary excretion of the modified nucleoside/base analysed with a recently developed methodology involving HPLC prepurification followed by gas chromatography with isotope dilution mass spectrometric detection. No correlation was found between these markers of oxidative DNA damage commonly used in epidemiological studies. Several possible explanations of this finding are discussed.
Foksinski
Marek
M
Department of Clinical Biochemistry, The Ludwik Rydygier Medical University in Bydgoszcz, Karlowicza 24, 85-092 Bydgoszcz, Poland.
Gackowski
Daniel
D
Rozalski
Rafał
R
Olinski
Ryszard
R
D000080242:8-Hydroxy-2'-Deoxyguanosine; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004247:DNA / Q000097:blood*; D004249:DNA Damage; D003849:Deoxyguanosine / Q000031:analogs & derivatives* / Q000378:metabolism* / Q000652:urine*; D005260:Female; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D007962:Leukocytes / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D013223:Statistics as Topic; D014556:Urine / Q000737:chemistry
D000080242:8-Hydroxy-2'-Deoxyguanosine; D004247:DNA; D003849:Deoxyguanosine