Age-associated increase in oxidative stress and nuclear factor kappaB activation are attenuated in rat liver by regular exercise.

Zsolt Radak, Hae Young Chung, Hisashi Naito, Ryoya Takahashi, Kyung Jin Jung, Hyon Jeen Kim, Sataro Goto

Research output: Contribution to journalArticle

134 Citations (Scopus)

Abstract

The combined effects of aging and regular physical exercise was investigated on the production of reactive oxygen species (ROS), lipid peroxidation, glutathione status, and the activity of nuclear factor-kappaB (NF-kappaB) in rat liver. A group of 24 male F344 rats was divided into the following categories: adult control (18 months), adult exercised (18 months), and aged control (28 months) and aged exercised (28 months). The ROS formation increased as a function of age and exercise training decreased the rate of ROS formation in the two age groups. Significant positive correlation was found between ROS production and lipid peroxidation (LIPOX). The reduced glutathione (GSH) level was higher and the oxidized glutathione (GSSG) level lower in exercised groups compared with the sedentary controls (P<0.05). An age-associated increase in NF-kappaB activity was attenuated by the regular exercise. The content of p50 and p65 subunits of NF-kappaB increased with age and decreased with exercise training. The content of inhibitory factor-kappaB was inversely related to NF-kappaB activation. Regular exercise-induced adaptive responses, including attenuation of an increase in ROS production, LIPOX level, NF-kappaB activation, and reduced GSH/GSSG ratio, appear to be capable, even in old age, of reducing increases in inflammatory and other detrimental consequences that are often associated with advancing age.

Original languageEnglish
Pages (from-to)749-750
Number of pages2
JournalThe FASEB journal : official publication of the Federation of American Societies for Experimental Biology
Volume18
Issue number6
Publication statusPublished - 2004 Jan 1
Externally publishedYes

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Oxidative stress
Liver
Rats
Reactive Oxygen Species
Oxidative Stress
Chemical activation
Glutathione Disulfide
Exercise
Lipid Peroxidation
Lipids
Glutathione
Inbred F344 Rats
Age Groups
Aging of materials

ASJC Scopus subject areas

  • Biotechnology
  • Biochemistry
  • Molecular Biology
  • Genetics

Cite this

Age-associated increase in oxidative stress and nuclear factor kappaB activation are attenuated in rat liver by regular exercise. / Radak, Zsolt; Chung, Hae Young; Naito, Hisashi; Takahashi, Ryoya; Jung, Kyung Jin; Kim, Hyon Jeen; Goto, Sataro.

In: The FASEB journal : official publication of the Federation of American Societies for Experimental Biology, Vol. 18, No. 6, 01.01.2004, p. 749-750.

Research output: Contribution to journalArticle

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