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Journal Article

Antioxidant neuroprotection in Alzheimer''s disease as preventive and therapeutic approach

MPS-Authors

Behl,  C
Max Planck Institute of Psychiatry, Max Planck Society;

Moosmann,  B
Max Planck Institute of Psychiatry, Max Planck Society;

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Citation

Behl, C., & Moosmann, B. (2002). Antioxidant neuroprotection in Alzheimer''s disease as preventive and therapeutic approach. Free Radical Biology and Medicine, 33(2), 182-191.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-A1A9-4
Abstract
Various neurodegenerative disorders and syndromes are associated with oxidative stress. The deleterious consequences of excessive oxidations and the pathophysiological role of reactive oxygen species (ROS) have been intensively studied in Alzheimer''s disease (AD). Neuronal cell dysfunction and oxidative cell death caused by the AD-associated amyloid beta protein may causally contribute to the pathogenesis of AD. Antioxidants that prevent the detrimental consequences of ROS are consequently considered to be a promising approach to neuroprotection. While there is ample experimental evidence demonstrating neuroprotective activities of antioxidants in vitro, the clinical evidence that antioxidant compounds act as protective drugs is still relatively scarce. Nevertheless, antioxidants constitute a major part of the panel of clinical and experimental drugs that are currently considered for AD prevention and therapy. Here, focus is put mainly on phenolic antioxidant structures that belong to the class of direct antioxidants. Experimental and clinical evidence for the neuroprotective potential of alpha-tocopherol (vitamin E) and 17beta-estradiol (estrogen) is shortly summarized and an outlook is given on possible novel antioxidant lead structures with improved pharmacological features. (C) 2002 Elsevier Science Inc