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This research aims to explore how aging and lipid peroxidation affect mitochondrial dysfunction during cardiac reperfusion.

Cardiac reperfusion injury: Aging, lipid peroxidation, and mitochondrial dysfunction

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This research aims to explore how aging and lipid peroxidation affect mitochondrial dysfunction during cardiac reperfusion.
Langendorff perfusion of hearts from 8- and 24-month-old rats subjected to ischemia and reperfusion.
Measurement of state 3 respiration in isolated mitochondria.
Analysis of 4-hydroxy-2-nonenal modification of mitochondrial proteins.
Ischemia reduced state 3 respiration by approximately 25% in all age groups.
Reperfusion caused a further decline in state 3 respiration only in 24-month-old rats.
HNE-modified proteins were found in mitochondria from aged rats, correlating with functional decline.

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Randomized trial investigates mitochondrial function decline in aging hearts due to reperfusion injury, indicating increased vulnerability with age.

Lucas et al. (1998) studied this question.

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Randomized trial investigates mitochondrial function decline in aging hearts due to reperfusion injury, indicating increased vulnerability with age.