RELATIONSHIP BETWEEN AGING AND SUSCEPTIBILITY TO PROTEIN OXIDATIVE DAMAGE

被引:47
作者
AGARWAL, S [1 ]
SOHAL, RS [1 ]
机构
[1] SO METHODIST UNIV,DEPT BIOL SCI,DALLAS,TX 75275
关键词
D O I
10.1006/bbrc.1993.1950
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The objective of this study was to determine if the susceptibility of tissues to experimental oxidative damage is altered during the aging process. Adult houseflies were X-irradiated at different dosages, when they had reached 0.25 and 0.70 of their average life expectancy. Protein carbonyl content and activity of glucose-6-phosphate dehydrogenase were used as indices of oxidative damage. Fly homogenates as well as the live flies were more susceptible to oxidative damage at the older than at the younger age. © 1993 Academic Press, Inc.
引用
收藏
页码:1203 / 1206
页数:4
相关论文
共 11 条
[1]  
BEUTLER E, 1971, RED CELL METABOLISM, P62
[2]   HYDROPEROXIDE METABOLISM IN MAMMALIAN ORGANS [J].
CHANCE, B ;
SIES, H ;
BOVERIS, A .
PHYSIOLOGICAL REVIEWS, 1979, 59 (03) :527-605
[3]   INACTIVATION OF KEY METABOLIC ENZYMES BY MIXED-FUNCTION OXIDATION REACTIONS - POSSIBLE IMPLICATION IN PROTEIN-TURNOVER AND AGING [J].
FUCCI, L ;
OLIVER, CN ;
COON, MJ ;
STADTMAN, ER .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1983, 80 (06) :1521-1525
[4]  
LEVINE RL, 1990, METHOD ENZYMOL, V186, P464
[5]   HYDROGEN-PEROXIDE PRODUCTION BY MITOCHONDRIA MAY BE A BIOMARKER OF AGING [J].
SOHAL, RS .
MECHANISMS OF AGEING AND DEVELOPMENT, 1991, 60 (02) :189-198
[6]   THE FREE-RADICAL HYPOTHESIS OF AGING - AN APPRAISAL OF THE CURRENT STATUS [J].
SOHAL, RS .
AGING-CLINICAL AND EXPERIMENTAL RESEARCH, 1993, 5 (01) :3-17
[7]   RELATIONSHIP BETWEEN OXYGEN-METABOLISM, AGING AND DEVELOPMENT [J].
SOHAL, RS ;
ALLEN, RG .
ADVANCES IN FREE RADICAL BIOLOGY AND MEDICINE, 1986, 2 (01) :117-160
[8]   EFFECT OF EXPERIMENTALLY-PROLONGED LIFE-SPAN ON FLIGHT PERFORMANCE OF HOUSEFLIES [J].
SOHAL, RS ;
RUNNELS, JH .
EXPERIMENTAL GERONTOLOGY, 1986, 21 (06) :509-514
[9]  
SOHAL RS, IN PRESS P NATL ACAD
[10]  
STADTMAN ER, 1991, J BIOL CHEM, V266, P2005