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Non-esterified fatty acids (NEFAs) are important induction factors of inflammatory responses in some metabolic diseases. High plasma levels of NEFAs and oxidative stress exist in the dairy cows with ketosis. The aim of this study was to investigate whether high levels of NEFAs can induce inflammatory response and the specific molecular mechanism in the(More)
A high plasma concentration of non-esterified fatty acids (NEFAs) is an important pathogenic factor that leads to ketosis and fatty liver in dairy cows. NEFAs may be associated with oxidative stress in dairy cows with ketosis or fatty liver and the subsequent induction of hepatocyte damage. However, the molecular mechanism of NEFAs-induced oxidative stress(More)
Zinc deficiency impairs the hepatic lipid metabolism. Previous studies were focused on the negative effects of zinc deficiency on the hepatic lipid metabolism. A few studies investigated the effects of high zinc levels on the lipid metabolism in hepatocytes. In this study, rat hepatocytes were cultured and treated with different and high concentrations of(More)
BACKGROUND/AIMS β-hydroxybutyrate (BHBA) is the major component of ketone bodies in ketosis. Dairy cows with ketosis often undergo oxidative stress. BHBA is related to the inflammation involved in other diseases of dairy cattle. However, whether BHBA can induce inflammatory injury in dairy cow hepatocytes and the potential mechanism of this induction are(More)
High serum concentrations of nonesterified fatty acids (NEFA), which may affect the synthesis and assembly of very low density lipoproteins (VLDL), are associated with fatty liver during the early lactation period. Therefore, the objective of this study was to investigate the effects of NEFA on the synthesis and assembly of VLDL in bovine hepatocytes.(More)
β-Hydroxybutyrate (BHB) is an important indicator for metabolic disorders in dairy cows, such as ketosis and fatty liver. Dairy cows with ketosis display oxidative stress that may be associated with high levels of BHB. The purpose of this study was to demonstrate a correlation between the high levels of BHB and oxidative stress in dairy cows with ketosis,(More)
We have investigated the effect of leptin on gluconeogenesis in the liver. Hepatocytes were cultured and treated with 0, 2.5, 5, 10, 50, 100 ng/mL of leptin in groups I, II, III, IV, V, and VI, respectively. mRNA expression and enzyme activity of pyruvate carboxylase and phosphoenolpyruvate carboxykinase were determined by real-time fluorescence(More)
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