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KMID : 0385219970070030092
Korean Journal of Gerontology
1997 Volume.7 No. 3 p.92 ~ p.97
Effects of aging and dietary restriction on free radical generation and GSH/GSSG level in rat testis
Kang Hyun-Kyung

Noh Jae-Kyung
Soung Do-Yu
Kim Nam-Deuk


Choi Won-Cheol
Lim Woon-Ki
Yu Byung-Pal
Chung Hae-Young
Abstract
This study was performed to elucidate the effect of aging and dietary restriction on free radical generation, GSH level and GSH/GSSG ratio in rat testis. Free radical generation, thiobarbituric acid-reactive substance(TBARS), GSH and GSH/GSSG were assayed in 6, 12, 18 and 24 months of age which were ad-libitum fed or diet-restricted. Free radical generation and TBARS increased, but GSH level and GSH/GSSG ration decreased with age ad-libitum group. However, in diet-restricted group, Free radical generation and TBARS were maintained lower than 6 months of ad-libitum, and GSH and GSH/GSSG ration were higher than that of ad-libitum. These results suggest that dietary restriction might maintain the reproductive ability by reducing free radical tree radical generation and lipid peroxidation and maintaining the GSH level in rat testis.
KEYWORD
Free radical, Dietary restriction, Agino, Glutathione(GSH), Lipid peroxidation, Testis
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