Nox-4 and progressive kidney disease

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Nox-4 is a member of the NADPH oxidase (Nox) family of enzymes implicated in reactive oxygen species generation. Nox-4 is distributed in many tissues; however, its physiological functions remain poorly understood. In contrast to other Nox isoforms, it is unique in that it produces large amounts of hydrogen peroxide constitutively and does not require other cytosolic oxidase components for its activation. This review highlights the recent developments in Nox-4 research and progressive kidney disease as well as the potential of new Nox-4 inhibitors to reduce renal damage.
Recently, Nox-4 was shown to be implicated in kidney diseases such as diabetic nephropathy. Nox-4 has been identified as playing a role in damage to the kidney induced by hyperglycaemia and other major pathways of renal damage, including advanced glycation end-products, the renin-angiotensin system, TGF-β and protein kinase C.
The role of Nox-4 as a target for renoprotection remains controversial, although recent positive preclinical data have stimulated increased interest in inhibiting the enzyme in clinical trials of renal disease.
Original languageEnglish
Pages (from-to)74-80
Number of pages7
JournalCurrent Opinion in Nephrology and Hypertension
Issue number1
Publication statusPublished - 2015

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