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Gram-negative bacterial pneumonias have been increasingly important as nosocomial infections. The following model was developed to study the pathogenesis and evaluate therapy of such infections. Intranasal instillation of rats with a suspension of 5 x 10(6) Klebsiella pneumoniae caused bronchopneumonia with 24 h. Bacteria were isolated from the lungs in(More)
Serum and liver zinc concentration, amino acid uptake by liver, seromucoid content, and alpha2-macrofetoprotein production were measured in vaccinated as well as nonimmune rats exposed to either virulent (SCHU S4) or attenuated (LVS) strains of Francisella tularensi. It appears that liver damage (pyogranulomatous lesions) must occur before there is any(More)
Daily intramuscular injections of clofibrate begun 6h before the initiation of inflammation induced by the subcutaneous injection of turpentine exerted a differential, dose-dependent inhibition of the anticipated acute-phase globulin response. Specifically, clofibrate at 140mg/kg muted the increase in alpha(2)-macrofoetoprotein, but did not affect that of(More)
We postulate that leukocyte endogenous mediator/endogenous pyrogen/lymphocyte-activating factor (LEM/EP/LAF) integrates the host's nonspecific and specific immune responses to infection by virtue of the panoply of physiological and metabolic activities it is capable of eliciting. The alterations in systemic metabolism modulated by LEM/EP/LAF, although(More)
To characterize the role of the liver and kidney in the metabolic response to injury and infection, selective catheterization of the hepatic (42 veins) and renal veins (21 veins) was performed in 31 burn patients (mean burn size: 51% TBS), studied 4-129 days postinjury. Blood flow was determined by standard clearance techniques (ICG and PAH), and(More)
In response to injury, the concentrations of several plasma proteins are characteristically altered. In part, these changes reflect an essential contribution of many of these proteins, acting in concert, to the processes involved in wound healing. There is evidence that plasma proteins support tissue repair by metabolic as well as functional activity.(More)