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Oxidative stress, redox signalling and endothelial dysfunction in ageing-related neurodegenerative diseases: A role of NADPH oxidase 2

Cahill-Smith, S and Li, JM (2014) Oxidative stress, redox signalling and endothelial dysfunction in ageing-related neurodegenerative diseases: A role of NADPH oxidase 2 British Journal of Clinical Pharmacology, 78 (3). pp. 441-453.

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Abstract

Chronic oxidative stress and oxidative damage of the cerebral microvasculature and brain cells has become one of the most convincing theories in neurodegenerative pathology. Controlled oxidative metabolism and redox signalling in the central nervous system are crucial for maintaining brain function; however, excessive production of reactive oxygen species and enhanced redox signalling damage neurons. While several enzymes and metabolic processes can generate intracellular reactive oxygen species in the brain, recently an O2--generating enzyme, NADPH oxidase 2 (Nox2), has emerged as a major source of oxidative stress in ageing-related vascular endothelial dysfunction and neurodegenerative diseases. The currently available inhibitors of Nox2 are not specific, and general antioxidant therapy is not effective in the clinic; therefore, insights into the mechanism of Nox2 activation and its signalling pathways are needed for the discovery of novel drug targets to prevent or treat these neurodegenerative diseases. This review summarizes the recent developments in understanding the mechanisms of Nox2 activation and redox-sensitive signalling pathways and biomarkers involved in the pathophysiology of the most common neurodegenerative diseases, such as ageing-related mild cognitive impairment, Alzheimer's disease and Parkinson's disease. © 2014 The British Pharmacological Society.

Item Type: Article
Authors :
NameEmailORCID
Cahill-Smith, SUNSPECIFIEDUNSPECIFIED
Li, JMj.li@surrey.ac.ukUNSPECIFIED
Date : 1 January 2014
Identification Number : https://doi.org/10.1111/bcp.12357
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:18
Last Modified : 17 May 2017 10:18
URI: http://epubs.surrey.ac.uk/id/eprint/827257

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