Research Tracker›Biomarker Atlas›Gulf War Illness›8-isoprostane

8-isoprostane in Gulf War Illness

8-isoprostane, also described as Lipid peroxidation marker, belongs to the metabolic group of Gulf War Illness (GWI, Gulf War Syndrome) markers and is reported to be raised relative to healthy Gulf War veteran controls. Clinically, it has been associated with oxidative stress. The evidence summarised here comes from Gean et al. 2021 and reflects averages across cohorts rather than any single patient's result.

↑ ElevatedMetabolic

Summary

Direction in Gulf War Illness↑ Elevated — higher than in the comparison group
CategoryMetabolic
Also described asLipid peroxidation marker
Compared againstHGV (healthy Gulf War veteran controls)
Associated symptomsOxidative stress
Test typeBlood test (serum / plasma / whole blood)
SourceGean et al. 2021 — doi:10.1016/j.lfs.2021.119456
Condition atlasGulf War Illness Biomarker Atlas

Related Metabolic markers in Gulf War Illness

Full list: Gulf War Illness Biomarker Atlas.

Frequently asked questions

Is 8-isoprostane high or low in Gulf War Illness?

Elevated. Studies summarised in the OSMF atlas report higher 8-isoprostane in Gulf War Illness than in healthy Gulf War veteran controls. Source: Gean et al. 2021.

What symptoms is 8-isoprostane associated with in Gulf War Illness?

The cited literature associates this marker with Oxidative stress. These are population-level associations and do not mean the marker causes the symptoms.

Which test measures 8-isoprostane?

It is measured as a blood test (serum / plasma / whole blood). Many of the cited studies used research-grade assays, so clinical availability may vary.

Is one abnormal 8-isoprostane result diagnostic of Gulf War Illness?

No. No single biomarker is diagnostic of Gulf War Illness. 8-isoprostane findings come from group comparisons, overlap considerably between patients and controls, and vary with study design, timing and comparison group. A result should be interpreted by a clinician alongside symptoms, history and other tests.

Cite this page

Open Source Medicine Foundation. (2026). 8-isoprostane in Gulf War Illness: direction, evidence and what it means. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/gulf-war-illness/8-isoprostane.html
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Last reviewed: 2026-06-29 · Page generated from gulf-war-illness.json · Browse: Gulf War Illness atlas · Biomarker Index · All marker pages

Disclaimer: This page is an educational synthesis of published, peer-reviewed research and is not medical advice. Biomarker findings vary across studies with case definitions, comparison groups, timing and assay methods. Direction of change reflects the predominant finding in the cited source and does not establish a diagnostic threshold. Discuss any test result with a qualified clinician.