Immune complex mediated cytokine release in endotoxic/septic shock
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Immune complex mediated cytokine release in endotoxic/septic shock by Elizabeth A. Lacey

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Published .
Written in English


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Edition Notes

Thesis(M.Sc.) - University of Surrey, 1996.

StatementElizabeth A. Lacey.
ContributionsUniversity of Surrey. School of Biological Sciences. North East Surrey College of Technology.
ID Numbers
Open LibraryOL22169764M

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Methods and Results. Platelet mitochondrial respiration and levels of TNFα, MCP-1 (monocyte chemotactic protein-1), INFγ (interferon-γ), IL-1β, IL-4, IL-5, IL-6, IL-8, IL and IL and NO were analyzed in 38 patients with severe sepsis or septic shock at three time points during one week following admission to the by: Keywords:Cytokines, hypotension, septic shock, LPS, endotoxic shock, hypothalamic-pituitary axis, nitric oxide, paraventricular and supraoptic nuclei. Abstract: Septic shock is a major cause of death following trauma and a persistent problem in surgical patients. It is a challenge to the critical care medicine specialist and carries an Cited by: The cytokines which contribute to pathological changes in septic shock are not unique to infection. Multiple trauma, ischemia-reperfusion injury, acute transplant rejection, antigen-specific immune responses, and various acute inflammatory states (acute hepatitis and pancreatitis) initiate the same cytokine cascade and result in both systemic Cited by: Endotoxin-induced sepsis remains a leading cause of mortality in intensive care units (ICUs) worldwide. Lipopolysaccharide (LPS) identification by the immune system triggers a cascade of signalling pathways, leading to the release of several cytokines and chemokines, which orchestrate the antimicrobial and inflammatory response, though causing multiorgan damage as well.

Recent studies show that the activation of both proinflammatory and anti‐inflammatory immune responses occurs promptly after the onset of sepsis. 10 Cells of the innate immune system, including monocytes and neutrophils, release high levels of proinflammatory cytokines. The rapid deaths of patients with sepsis are typically owing to a hyper. SUMMARY Bacterial sepsis and septic shock result from the overproduction of inflammatory mediators as a consequence of the interaction of the immune system with bacteria and bacterial wall constituents in the body. Bacterial cell wall constituents such as lipopolysaccharide, peptidoglycans, and lipoteichoic acid are particularly responsible for the deleterious effects of bacteria. Introduction. Endotoxic shock, a septic shock, is caused by endotoxin, which is released from gram‐negative bacteria the clinical manifestations of it are low response to vasoconstrictors, systemic hypotension and organ dysfunction mortality of septic shock is as high as 20‐50% lysaccharide (LPS) is the major trigger of sepsis, which could activate host monocytes and.   Arid5a-Deficient Mice Produce Significantly Decreased Levels of Proinflammatory Cytokines in Response to Endotoxic Shock. The toxic effects of LPS are mainly mediated by proinflammatory cytokines such as TNF-α, IL-6, and IFN-γ ().Therefore, to determine the influence of Arid5a on proinflammatory cytokines during LPS-induced shock, WT and Arid5a-deficient mice were .

endotoxic and septic shock through epsis is defined as a systemic inflammatory response syndrome mediated by a harmful host immune LPS-induced release of the proinflammatory cytokines TNF-a.   Excessive inflammatory response to infectious agents can lead to septic shock 5,6,7,8,9, which is characterized by massive release of proinflammatory mediators, such . The critical role of TLR4 signaling in HMGB1-mediated cytokine release has been strongly supported by TLR4 knockout experiments in immune cells (13,14,36). In addition, HMGB1 is known to produce proinflammatory cytokines via the identical receptor complex (TLR4/MD2) as LPS (13,14,37). Thus, we hypothesized that annexin A5 may inhibit HMGB1.   Sepsis describes a complex clinical syndrome that results from a harmful or damaging host response to microbial infection due to a dysregulated innate immune reaction, which is characterized by an excessive production of proinflammatory cytokines, such as TNF-α and IL-1β (3, 4). Mononuclear cells play a key role in the synthesis of.