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Updated: Apr 26, 2026

HPLC Measurement of the DNA Oxidation Biomarker, 8-oxo-7,8-dihydro-2’-deoxyguanosine, in Cultured Cells and Animal Tissues
Published on: August 1, 2015
Plasma 8-hydroxy-2'-deoxyguanosine Levels in Huntington Disease and Healthy Controls Treated with Coenzyme Q10
K M Biglan1, E R Dorsey2, R V V Evans3
1Department of Neurology, University of Rochester Medical Center, Rochester, NY, USA. Kevin_biglan@urmc.rochester.edu
Abstract:
We analyzed plasma 8OHdG concentrations in 20 individuals enrolled in the Pre-2CARE study before and after treatment with CoQ. Treatment resulted in a mean reduction in 8OHdG of 2.9 ± 2.9 pg/ml for the cohort (p = 0.0003) and 3.0 ± 2.6 pg/ml, for the HD group (p = 0.002). Baseline 8OHdG levels were not different between individuals with HD and controls (19.3 ± 3.2 pg/ml vs. 19.5 ± 4.7 pg/ml, p = 0.87) though baseline CoQ levels were elevated in HD compared with controls (p < 0.001). CoQ treatment reduces plasma 8OHdG and this reduction may serve as a marker of pharmacologic activity of CoQ in HD.
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