bacteremia/protease

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A synthetic M protein peptide synergizes with a CXC chemokine protease to induce vaccine-mediated protection against virulent streptococcal pyoderma and bacteremia.

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Infections caused by Streptococcus pyogenes (group A Streptococcus [GAS]) are highly prevalent in the tropics, in developing countries, and in the Indigenous populations of developed countries. These infections and their sequelae are responsible for almost 500,000 lives lost prematurely each year. A

Serum antibody concentrations of cytotoxin, exotoxin, A, lipopolysaccharide, protease, and elastase and survival of patients with Pseudomonas aeruginosa bacteremia.

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The relationship between survival and serum concentrations of antibody to cytotoxin, exotoxin A, lipopolysaccharide (LPS; IgM and IgG), protease, and elastase (determined by enzyme-linked immunosorbent assay) was studied in a group of 41 patients with Pseudomonas aeruginosa bacteremia. The lowest

The influence of exo-enzyme S and proteases on endogenous Pseudomonas aeruginosa bacteraemia in mice.

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The role of Pseudomonas aeruginosa exo-enzymes was evaluated in a murine model of endogenous bacteraemia in which the bacteria invaded the bloodstream after oral dosing. Although an elastase mutant PAO-E64 was as virulent as its parent strain PAO1, an exo-enzyme S-deficient mutant, DG1-ExS5 and

Serum Concentrations of Mannan-Binding Lectin (MBL) and MBL-Associated Serine Protease-2 and the Risk of Adverse Events in Pediatric Patients With Cancer and Fever in Neutropenia.

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BACKGROUND It is unknown whether serum concentrations of mannan-binding lectin (MBL) and MBL-associated serine protease-2 (MASP-2) influence the risk of adverse events (AEs) in children with cancer presenting with fever in neutropenia (FN). METHODS Pediatric patients with cancer presenting with FN

Plasmodium falciparum Malaria Complicated by Symmetrical Peripheral Gangrene, Bowel Ischemia, Repeated Candidemia, and Bacteraemia.

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A 63-year-old Caucasian woman developed severe Plasmodium falciparum malaria when travelling back from Cameroun. No antimalarial chemoprophylaxis had been observed. The patient was immediately admitted to the intensive care unit after evidence of multiple organ failure (coma, shock, acute

Methicillin-sensitive Staphylococcus aureus bacteraemia and endocarditis among injection drug users and nonaddicts: host factors, microbiological and serological characteristics.

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BACKGROUND Endocarditis has been associated with lower mortality and fewer complications among injection drug users (IDUs) than nonaddicts in Staphylococcus aureus bacteraemia (SAB). The better prognosis of IDUs has not been clarified but it has generally been explained by younger age and other host

Impact of Streptococcus pneumoniae bacteremia and human immunodeficiency virus type 1 on oral mucosal immunity.

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To determine whether defects in mucosal immunity were associated with invasive disease caused by a mucosal pathogen, Streptococcus pneumoniae, levels of salivary immunoglobulins and nonspecific immune factors were compared in subjects with human immunodeficiency virus type 1 (HIV-1) infection and in

Differential distribution of IgA-protease genotypes in mucosal and invasive isolates of Haemophilus influenzae in Sweden.

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BACKGROUND Several different IgA-proteases exist in Haemophilus influenzae. The variants have been suggested to play differential roles in pathogenesis, but there is limited information on their distribution in clinical isolates. The objective of this study was to investigate the distribution of

Endothelial exposure to Pseudomonas aeruginosa proteases increases the vulnerability of the alveolar epithelium to a second injury.

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The alveolar epithelium is not injured by the apical application of moderate doses of Pseudomonas aeruginosa strains that produce protease. To determine the effect of Pseudomonas proteases on the basolateral surface of the alveolar epithelium, a series of experiments were done, in which P.

Efficacy of S-2441, a synthetic oligopeptide, in a rat model for gram-negative bacteremia.

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In vitro effects of S-2441, H-D-Pro-Phe-Arg-NH-Heptyl, include potent anti-bradykinin activity and broad-spectrum inhibition of serine proteases involved in the coagulation cascade. In this study, rats infused with 7.8 X 10(8) viable Escherichia coli were treated either with saline (group A) or with

Pseudomonas aeruginosa bacteremia: relationship of bacterial enzyme production and pyocine types with clinical prognosis in 100 patients.

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Strains of Pseudomonas aeruginosa were studied from 100 patients with bacteremia. In vitro quantitation of extracellular enzymes (lecithinase, protease, and elastase) and pyocine typing of these isolates were performed. No significant difference was found in the quantity of the enzymes produced or

The ScpC protease of Streptococcus pyogenes affects the outcome of sepsis in a murine model.

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The ScpC protease of Streptococcus pyogenes degrades interleukin-8 (IL-8), a chemokine that mediates neutrophil transmigration and activation. The ability to degrade IL-8 differs dramatically among clinical isolates of S. pyogenes. Bacteria expressing ScpC overcome immune clearance by preventing the

Polymorphic receptors of the innate immune system (MBL/MASP-2 and TLR2/4) and susceptibility to pneumococcal bacteremia in HIV-infected patients: a case-control study.

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Some deficient genetic polymorphisms of the innate immune system have been correlated to a higher susceptibility to different infections, especially in immunocompromised patients. The possible association between an increased incidence of pneumococcal bacteremia in HIV-infected patients, and

Plasma secretory leukocyte protease inhibitor in febrile patients.

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OBJECTIVE Secretory leukocyte protease inhibitor (SLPI) forms an integral part of the lung's defence, by its antimicrobial activity and by its ability to neutralize serine proteases that are released by granulocytes into the inflammatory exudate. Here, we investigate in febrile patients admitted to

Genotypes and phenotypes of Staphylococcus lugdunensis isolates recovered from bacteremia.

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BACKGROUND Staphylococcus lugdunensis is a member of coagulase-negative staphylococci, which has the potential to cause serious infections, such as endocarditis, bone and joint infections, and septicemia. Differences in phenotypic/genotypic characterization may be linked to different

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