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UNLABELLED BACKGROUD/AIMS: The aim of the study was to evaluate the effects of beta1-adrenergic receptors (β1-ARs) -mediated nuclear factor erythroid 2-related factor 2 (Nrf2)-heme oxygenase-1 (HO-1)-high mobility group box 1 protein (HMGB1) axis regulation in hypoxia/reoxygenation (H/R)-induced neonatal rat cardiomyocytes. METHODS The neonatal cultured(More)
Exogenous high-mobility group box 1 protein (HMGB1) injection could prevent left ventricular remodeling and enhance left ventricular function during myocardial infarction (MI). However, the mechanism remains unclear. This paper was to investigate in the mechanism of cardioprotection of HMGB1 during MI in rats. Anesthetized male rats were treated once with(More)
BACKGROUND/AIMS Hesperidin pretreatment has been shown to protect against myocardial ischemia/reperfusion (I/R) injury, but the underlying mechanism is poorly understood. This study aimed to investigate the cardioprotective effects of a 3-day hesperidin pretreatment on I/R injury and to further explore whether its mechanism of action was associated with the(More)
The mechanisms underlying autophagy during myocardial ischemia and reperfusion remain unclear. The present study investigated the relationship between high-mobility group box 1 protein (HMGB1) and autophagy in hypoxia/reoxygenation (H/R)-induced neonatal rat cardiomyocytes. Neonatal rat cardiomyocytes were treated with recombinant HMGB1 (200 ng/L) or(More)
BACKGROUND/AIMS Inflammation and oxidative stress play an important role in myocardial ischemia and reperfusion (I/R) injury. We hypothesized that IL-23, a pro-inflammatory cytokine, could promote myocardial I/R injury by increasing the inflammatory response and oxidative stress. METHODS Male Sprague-Dawley rats were randomly assigned into sham operated(More)
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