Persistence of mitochondrial membrane potential of the heart cell under oxidative stress

Konno, Naoto; Baba, Akemichi; Looper, K.J.; Kako, Koichiro

doi:10.1016/0891-5849(90)90513-i

Free Radical Biology and Medicine

1990

DOI: 10.1016/0891-5849(90)90513-i

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Persistence of mitochondrial membrane potential of the heart cell under oxidative stress

Naoto Konno¹,

Akemichi Baba²,

K.J. Looper³

et al.

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1994

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Effects of chronic caffeine feeding on the activities of oxygen free radical defense enzymes in the growing rat heart and liver

Rossowska

Nakamoto

1994

Experientia

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The purpose of the present study was to determine the relationship between concentration of Zn, Cu and Fe, and the catalase, glutathione peroxidase and superoxide dismutase activities in the heart and liver of newborn rats whose dams were fed a diet supplemented with caffeine. Heart Zn levels of the 22- and 30-day-old rats of the caffeine group showed a decrease, whereas liver Zn levels showed an increase compared to the control. Cu levels in the liver at day 22 in the caffeine group were less than in the control. Cu- and Zn-containing superoxide dismutase activities showed an increase in the hearts of the caffeine group compared to the control. The activity of catalase and glutathione peroxidase showed no difference in the heart and liver between the groups. The present study suggests the possible involvement of superoxide dismutase enzyme in the impairment of heart formation as a result of chronic caffeine intake in the early growing period.

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Effects of chronic caffeine feeding on the activities of oxygen free radical defense enzymes in the growing rat heart and liver

Rossowska

Nakamoto

1994

Experientia

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Detection of catalase in rat heart mitochondria.

Radí

Turrens

Chang

et al. 1991

Journal of Biological Chemistry

468

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Persistence of mitochondrial membrane potential of the heart cell under oxidative stress

Cited by 2 publications

References 0 publications

Effects of chronic caffeine feeding on the activities of oxygen free radical defense enzymes in the growing rat heart and liver

Effects of chronic caffeine feeding on the activities of oxygen free radical defense enzymes in the growing rat heart and liver

Detection of catalase in rat heart mitochondria.

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