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Roles of reactive oxygen species and reactive nitrogen species in aging in neuron Junichi FUJH 1 , Naoyuki TANIGUCHI 1 1Department of Biochemistry, Osaka University Medical School Keyword: 遺伝子説 , 代謝説 , フリーラジカル説 pp.236-246
Published Date 1999/4/10
DOI https://doi.org/10.11477/mf.1431901043
  • Abstract
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It is about a half century since involvement of reactive oxygen species (ROS) in various diseases including Alzheimer's disease and Parkinson's disease was implicated. Since incidence of these diseases increases during aging process, here we overview significance of ROS and reactive nitrogen species (RNS) in aging. Theories on causes of aging are classified into two major groups ; the genetic theory and the metabolic theory. The former hypothesizes gene (s) which programs aging process, while the latter implies accumulated metabolites as a causes of aging. Although free radical theory of aging is one of the major metabolic theories, ROS and RNS are mutagenic and affect various genes. Thus now it is not so important to discuss the two theories independently. We should rather examine the relationship between ROS/RNS and aging phenomena in our body, then may approach understanding of aging.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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