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Articles 1 - 2 of 2
Full-Text Articles in Hepatology
Inhibition Of Triggering Receptor Expressed On Myeloid Cells 1 Ameliorates Inflammation And Macrophage And Neutrophil Activation In Alcoholic Liver Disease In Mice, David Tornai, Istvan Furi, Zu T. Shen, Alexander B. Sigalov, Sahin Coban, Gyongyi Szabo
Inhibition Of Triggering Receptor Expressed On Myeloid Cells 1 Ameliorates Inflammation And Macrophage And Neutrophil Activation In Alcoholic Liver Disease In Mice, David Tornai, Istvan Furi, Zu T. Shen, Alexander B. Sigalov, Sahin Coban, Gyongyi Szabo
Gyongyi Szabo
Alcoholic liver disease (ALD) is characterized by macrophage and neutrophil leukocyte recruitment and activation in the liver. Damage- and pathogen-associated molecular patterns contribute to a self-perpetuating proinflammatory state in ALD. Triggering receptor expressed on myeloid cells 1 (TREM-1) is a surface receptor that amplifies inflammation induced by toll-like receptors (TLRs) and is expressed on neutrophils and monocytes/macrophages. We hypothesized that TREM-1 signaling contributes to proinflammatory pathway activation in ALD. Using an in vivo ALD model in mice, we tested the effects of ligand-independent TREM-1 inhibitory peptides that were formulated into human high-density lipoprotein (HDL)-mimicking complexes GF9-HDL and GA/E31-HDL. As revealed …
Metabolic Danger Signals, Uric Acid And Atp, Mediate Inflammatory Cross-Talk Between Hepatocytes And Immune Cells In Alcoholic Liver Disease., Jan Petrasek, Arvin Iracheta-Vellve, Banishree Saha, Abhishek Satishchandran, Karen Kodys, Katherine Fitzgerald, Evelyn Kurt-Jones, Gyongyi Szabo
Metabolic Danger Signals, Uric Acid And Atp, Mediate Inflammatory Cross-Talk Between Hepatocytes And Immune Cells In Alcoholic Liver Disease., Jan Petrasek, Arvin Iracheta-Vellve, Banishree Saha, Abhishek Satishchandran, Karen Kodys, Katherine Fitzgerald, Evelyn Kurt-Jones, Gyongyi Szabo
Gyongyi Szabo
Inflammation defines the progression of ALD from reversible to advanced stages. Translocation of bacterial LPS to the liver from the gut is necessary for alcohol-induced liver inflammation. However, it is not known whether endogenous, metabolic danger signals are required for inflammation in ALD. Uric acid and ATP, 2 major proinflammatory danger signals, were evaluated in the serum of human volunteers exposed to a single dose of ethanol or in supernatants of primary human hepatocytes exposed to ethanol. In vitro studies were used to evaluate the role of uric acid and ATP in inflammatory cross-talk between hepatocytes and immune cells. The …