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Systemic exposure to 18% oxygen regulates levels of NAD +, NADH, lactate, LDH and SUR2A in the heart. Bar graphs depicting PO2 (O2), PCO2 (CO2) and haematocrit (HCT) in the blood as well as ATP (ATP), lactate (Lactate), LDH, total NAD (NADt), NADH (NADH), NAD + (NAD +) and SUR2A (SUR2A) in the myocardial tissue; inset in SUR2A bar graph represents original Western blots for SUR2A under labelled conditions. Each bar is a mean ± SEM (n = 3–5). *P < 0.01. AU = arbitrary units.
