Journal
REDOX BIOLOGY
Volume 11, Issue -, Pages 586-591Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.redox.2017.01.008
Keywords
Oxidative stress; Lipid peroxidation; Neuroprostanes; Dihomo-isoprostanes; Age; Urine biomarkers
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Funding
- Fundacion Seneca de la Region de Murcia Grupo de Excelencia [19900/GERM/15]
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We analyzed biomarkers of lipid peroxidation of the nervous system -F-2-dihomo-isoprostanes, F-3-neuroprostanes, and F-4-neuroprostanes-in urine samples from 158 healthy volunteers ranging from 4 to 88 years old with the aim of analyzing possible associations between their excretion values and age (years). Ten biomarkers were screened in the urine samples by UHPLC-QqQ-MS/MS. Four F-2-dihomo-isoprostanes (ent-7-(R)-7-F-2t-ihomo-isoprostane, ent-7-epi-7-F-2t-dihomo-isoprostane, 17-F-2t-dihomo-isoprostane, 17-epi-17-F-2t-dihomo- isoprostane), and one DPA-neuroprostane (4-F-3t-neuroprostane) were detected in the samples. On the one hand, we found a significant, positive correlation (Rho: 0.197, P-0.015) between the age increase and the amount of total F-2-dihomo-IsoPs. On the other hand, the values were significantly higher in the childhood group (4-12 years old), when compared to the adolescence group (13-17 years old) and the young adult group (18-35 years old). Surprisingly, no significant differences were found between the middle-aged adults (36-64 years old) and the elderly adults (65-88 years old). We display a snapshot situation of excretory values of oxidative stress biomarkers of the nervous system, using healthy volunteers representative of the different stages of human growth and development. The values reported in this study could be used as a basal or starting point in clinical interventions related to aging processes and/or pathologies associated with the nervous system.
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