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OBJECTIVE In endotoxemia, lipopolysaccharide (LPS) induces a systemic inflammatory response and intravascular coagulation. Monocytes orchestrate the innate immune response to LPS by expressing a variety of pro-inflammatory cytokines, such as tumor necrosis factor-alpha (TNF-alpha), and the procoagulant molecule, tissue factor (TF). In this study, we(More)
Sepsis is associated with a systemic activation of coagulation and an excessive inflammatory response. Anticoagulants have been shown to inhibit both coagulation and inflammation in sepsis. In this study, we used both genetic and pharmacologic approaches to analyze the role of tissue factor and protease-activated receptors in coagulation and inflammation in(More)
Glucocorticoids, such as dexamethasone (Dex), are used clinically in the treatment of various inflammatory diseases. Dex acts by inhibiting the expression of inflammatory mediators, such as tumor necrosis factor alpha (TNF-alpha) and monocyte chemoattractant protein-1 (MCP-1). It is surprising that Dex enhances bacterial lipopolysaccharide (LPS) induction(More)
Heart failure is a major clinical problem worldwide. Previous studies have demonstrated an important role for G protein-coupled receptors, including protease-activated receptors (PARs), in the pathology of heart hypertrophy and failure. Activation of PAR-2 on cardiomyocytes has been shown to induce hypertrophic growth in vitro. PAR-2 also contributes to(More)
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