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Macrophages play a fundamental role in innate immunity and the pathogenesis of silicosis. Phagocytosis of silica particles is associated with the generation of reactive oxygen species (ROS), secretion of cytokines, such as TNF, and cell death that contribute to silica-induced lung disease. In macrophages, ROS production is executed primarily by activation(More)
No-flow ischemia occurs during cardiac arrest, hemorrhagic shock, liver resection and transplantation. Recovery of blood flow and normal physiological pH, however, irreversibly injures the liver and other tissues. Although the liver has the powerful machinery for mitochondrial quality control, a process called mitophagy, mitochondrial dysfunction and(More)
The regulation of corticotropin-releasing hormone (CRH) mRNA expression following maternal nutrient restriction was examined in the fetal hypothalamus. Pregnant guinea pigs were food restricted for 48 h or fed normally during late gestation. After nutrient restriction, CRH mRNA levels in the hypothalamic paraventricular nucleus of the fetus were determined(More)
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