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The role of oxidative stress in chronic kidney disease



The role of oxidative stress in chronic kidney disease



Seminars in Dialysis 22(4): 405-408



New, reliable circulating oxidative stress markers have become available in chronic kidney disease (CKD) patients and have confirmed the long held belief that CKD is a pro-oxidant state. However, several questions related to this state of oxidative stress remain largely unresolved. First, the relative importance of each type of oxidant involved has been insufficiently evaluated. Only two recent studies have addressed this issue, and both suggested that chlorinated stress played a central role. Second, as only few population-based studies are available, the prevalence of oxidative stress among CKD patients remains undetermined. Third, although the link between oxidative stress and inflammation in CKD is emerging as a key process contributing to the genesis of oxidative stress in these patients, its pathogenesis remains poorly defined. Fourth, data favoring the involvement of oxidative stress in uremic toxicity are still limited. Finally, while two recent pilot studies have demonstrated that treatment of CKD patients with antioxidants is able to reduce cardiovascular events, information related to the pharmacokinetic characteristics of antioxidants, as well as their efficacy to prevent oxidative stress, is still limited in this patient group. Thus, although existing data suggest a prominent role of CKD-associated oxidative stress in uremic toxicity, further studies are required to definitively prove this concept.

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Accession: 056482531

Download citation: RISBibTeXText

PMID: 19708991

DOI: 10.1111/j.1525-139X.2009.00590.x


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