Background: Elevated xanthine oxidase (X0) activity contributes to production of reactive
oxygen species. Hyperuicemia is common in chronic heart failure (CHF), however, enzyme …

Abstract Aims/Introduction Xanthine oxidoreductase (XOR) is an enzyme that catalyzes
hypoxanthine and xanthine to xanthine and uric acid, respectively. Plasma XOR activity has …

Introduction: Xanthine oxidoreductase (XOR) activity plays an important role as a pivotal
source of reactive oxygen species, which is associated with cardiovascular disease (CVD) …

OBJECTIVE: Determine the relation of xanthine oxidase (XO) activity and the outcome of
septic patients and its relation to oxidative damage and clinical parameters of sepsis …

The molecular basis for heart failure is unknown, but oxidative stress is associated with the
pathogenesis of the disease. We tested the hypothesis that the activity of xanthine …

Xanthine oxidoreductase (XOR) has been implicated in ischaemia-reperfusion injury, and
increases in this enzyme have been found in plasma of patients with different illnesses. The …

Elevated serum uric acid levels have been progressively emerged as a powerful and
independent risk factor for many cardiovascular diseases, including hypertension [1, 2] …

Objectives Reactive oxygen species generated by xanthine oxidoreductase (XOR) are
associated with the progression of atherosclerosis. However, changes in plasma XOR …

Background: Oxidative stress (OS) is thought to play a role in detrimental events among
patients with chronic kidney disease (CKD). Although the mechanism of OS increases in …

Plasma xanthine oxidoreductase (XOR) activity assays previously developed are generally
based on the rate of production of uric acid from its substrate xanthine, determined with an …