期刊
PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY
卷 29, 期 3, 页码 407-410出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnpbp.2004.12.007
关键词
Alzheimer's disease; brain aging; mitochondria; oxidative stress; reactive oxygen species
Disruptions in energy metabolism have been suggested to be a prominent feature, perhaps even a fundamental component, of Alzheimer's disease (AD). These abnormalities in cerebral metabolism precede the onset of neurological dysfunction as well as gross neuropathology of AD. These changes may stem from inhibition of mitochondrial enzymes including pyruvate dehydrogenase, cytochrome c oxidase, and alpha-ketoglutarate dehydrogenase. Several lines of evidence also suggest a role for oxidative stress in the neuropathology associated with the disease state. Because mitochondria are the major site of free radical production in cells, they are also a primary target for oxidative damage and subsequent dysfunction. This link between mitochondrial dysfunction and the pathophysiology of AD is supported by several lines of evidence. (c) 2005 Elsevier Inc. All rights reserved.
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