Hyperoxia, mitochondrial redox state, and lactate metabolism of in situ canine muscle.


The effect of hyperoxia on lactate production and release and the mitochondrial NAD+-to-NADH ratio was studied in the in situ canine gastrocnemius to determine whether elevated PO2 altered metabolic regulation. Dogs breathed either air (21% O2) [arterial O2 partial pressure (PaO2) 90 mmHg; n = 8] or hyperoxia (100% O2) (PaO2 546 mmHg; n = 8). The left… (More)


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