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Glutamine, a conditionally essential amino acid, is important for immune function. It is now being formulated for incorporation into total parenteral nutrition (TPN). The aims of this study were to examine the effect of glutamine administration on lymphocyte proliferation and proinflammatory cytokine release in patients with severe acute pancreatitis. Fourteen patients were randomized (in a double-blind...
The metabolic derangements of the injured or stressed patient are governed by multiple factors that partially include the severity of insult, preexisting illnesses, available energy reserves, and appropriateness of intervention. The normal response to injury is further characterized by the release of proinflammatory and antiinflammatory mediators that exert potent effects on cellular and organ function...
The pro-inflammatory cytokines and oxidant molecules produced during the inflammatory response, which follows infection and injury, may be beneficial, or detrimental to the patient, depending on the amounts and contexts in which they are produced. Aberrant or excessive production has been implicated in inflammatory disease, and sepsis. The upregulation of cytokine production by NFκB and NFIL-6 activation...
The dietary fatty acids of the ω-3 series are rapidly incorporated into cell membranes and profoundly influence biological responses. These lipids influence membrane stability, membrane fluidity, cell mobility, the formation of receptors, binding of ligands to their receptors, activation of intracellular signaling pathways either directly or through the formation of eicosanoids, gene expression, and...
The activation of macrophages and newly recruited monocytes appears to be common to both Crohn's disease and ulcerative colitis, despite different inductive stimuli. Similar activation occurs acutely during the course of invasive intestinal infections such as shigellosis, but is then usually downregulated. The macrophage cytokines tumor necrosis factor-α and interleukin-1 (IL-1) are centrally involved...
There is now a large literature implicating cytokines in the development of wasting and cachexia commonly observed in a variety of pathophysiologic conditions. In the acquired immunodeficiency syndrome (AIDS), cytokines elicited by primary and secondary infections seem to exert subtle and sustained effects on behavioral, hormonal, and metabolic axes, and their combined effects on appetite and metabolism...
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