Structural similarities among malaria toxins insulin second messengers, and bacterial endotoxin.

abstract：:Previous data from our laboratory suggest that the transitional epithelium of the urinary bladder secretes and binds to its surface a glycosaminoglycan. The presence of this substance at the bladder surface markedly reduces the ability of microorganisms to adhere to the mucosa. Furthermore, this glycosaminoglycan can ...

journal_title：Infection and immunity

authors： Parsons CL,Pollen JJ,Anwar H,Stauffer C,Schmidt JD

更新日期：1980-03-01 00:00:00

abstract：:Optimal protective immunity against babesial infection is postulated to require both complement-fixing and opsonizing antibodies in addition to gamma interferon (IFN-gamma)-mediated macrophage activation. The rhoptry-associated protein 1 (RAP-1) of Babesia bigemina induces partial protective immunity and is a candidat...

journal_title：Infection and immunity

authors： Brown WC,McElwain TF,Palmer GH,Chantler SE,Estes DM

更新日期：1999-01-01 00:00:00

abstract：:The mechanism by which recombinant murine gamma interferon (rMuIFN-gamma) and bacterial lipopolysaccharide (LPS) activate mouse resident splenic macrophages to inhibit the intracellular growth of the fungus Histoplasma capsulatum was examined. Growth inhibition depended on L-arginine metabolism. The growth inhibitory ...

journal_title：Infection and immunity

authors： Lane TE,Wu-Hsieh BA,Howard DH

更新日期：1994-05-01 00:00:00

abstract：:A crude complex containing group C polysaccharide, outer membrane proteins, and lipopolysaccharide (LPS) was isolated from the cell-free culture liquid of Neisseria meningitidis serogroup C, serotype 2a. Group C polysaccharide and LPS were removed from this complex, resulting in an outer membrane complex and a purifie...

journal_title：Infection and immunity

authors： Beuvery EC,Miedema F,van Delft RW,Haverkamp J,Leussink AB,te Pas BJ,Teppema KS,Tiesjema RH

更新日期：1983-04-01 00:00:00

abstract：:Murine monoclonal antibodies were generated against streptolysin O. One out of 10 tested immunoglobulin clones exhibited strong neutralizing activity; in solution, the presence of approximately two to four antibody molecules per toxin monomer effected 50% neutralization of hemolytic toxin activity. An enzyme-linked im...

journal_title：Infection and immunity

authors： Hugo F,Reichwein J,Arvand M,Krämer S,Bhakdi S

更新日期：1986-12-01 00:00:00

abstract：:Under certain circumstances, soluble antigens, particulate antigens, and/or microorganisms have been shown to bind to primate erythrocytes via complement receptor 1 (CR1) in the presence of specific antibodies and complement. This immune adherence reaction, specific for CR1, can lead to neutralization of antigens in t...

journal_title：Infection and immunity

authors： Powers JH,Buster BL,Reist CJ,Martin E,Bridges M,Sutherland WM,Taylor RP,Scheld WM

更新日期：1995-04-01 00:00:00

abstract：:The in vitro effects of Pseudomonas aeruginosa elastase (P. aeruginosa E) and of human leukocyte elastase on human airway lysozyme (HAL) were investigated. P. aeruginosa E inactivated and cleaved HAL, whereas human leukocyte elastase had no effect. Total inactivation of HAL by P. aeruginosa E was observed after 120 mi...

journal_title：Infection and immunity

authors： Jacquot J,Tournier JM,Puchelle E

更新日期：1985-02-01 00:00:00

abstract：:Previous reports from our laboratory have shown that 7 days after infection of C3HeB/FeJ mice with an attenuated strain of Salmonella typhimurium, there is profound suppression of responses to B- and T-cell mitogens and suppression of the capacity of spleen cells to mount a primary, in vitro plaque-forming-cell (PFC) ...

journal_title：Infection and immunity

authors： Huang D,Schwacha MG,Eisenstein TK

更新日期：1996-09-01 00:00:00

abstract：:When inoculated orally, Escherichia coli strain 1056 caused acute enteritis in 7 of 22 weanling hamsters. E. coli strain 1056 was isolated from the ileum of a hamster with proliferative ileitis. It was lactose negative, nonmotile, and anaerogenic. By electron microscopy and indirect fluorescent-antibody techniques, E....

journal_title：Infection and immunity

authors： Frisk CS,Wagner JE,Owens DR

更新日期：1981-03-01 00:00:00

abstract：:Surface layer proteins (SLPs) are essential for induction of abortion by Campylobacter fetus subsp. fetus in experimentally challenged ewes. These proteins are encoded by multiple sap genes and vary in size and antigenicity. The role of SLP antigenic variation during experimental ovine infection was investigated. Foll...

journal_title：Infection and immunity

authors： Grogono-Thomas R,Blaser MJ,Ahmadi M,Newell DG

更新日期：2003-01-01 00:00:00

abstract：:Vibrio cholerae responds to environmental changes by altering the protein composition of its outer membrane. In rich medium, V. cholerae expresses almost exclusively the outer membrane porin OmpU, whereas in minimal medium, OmpT is the dominant porin. The supplementation of a minimal medium with a mixture of asparagin...

journal_title：Infection and immunity

authors： Mey AR,Craig SA,Payne SM

更新日期：2012-02-01 00:00:00

abstract：:The mig gene of Streptococcus dysgalactiae, a major bovine mastitis pathogen, encodes two plasma protein-binding receptors, alpha2-macroglobulin (alpha2-M) and immunoglobulin G (IgG). In this study, the mig gene from one S. dysgalactiae isolate was cloned and expressed in Escherichia coli. The IgG receptor region enco...

journal_title：Infection and immunity

authors： Song XM,Perez-Casal J,Bolton A,Potter AA

更新日期：2001-10-01 00:00:00

abstract：:The protective efficacy of antibodies to the Staphylococcus aureus type 5 capsular polysaccharide (CP5) was examined in a modified model of catheter-induced endocarditis. Rats were catheterized by surgically passing a polyethylene catheter through the right carotid artery and aortic valve into the left ventricle. The ...

journal_title：Infection and immunity

authors： Lee JC,Park JS,Shepherd SE,Carey V,Fattom A

更新日期：1997-10-01 00:00:00

abstract：:After uptake and retrograde transport pertussis toxin acts by ADP-ribosylating alpha-Gi proteins. We show that uptake via many different receptor proteins followed by retrograde transport and intoxication is not restricted to a particular cell type. The efficiency of cellular intoxication, however, was found to be cel...

journal_title：Infection and immunity

authors： el Bayâ A,Brückener K,Schmidt MA

更新日期：1999-01-01 00:00:00

abstract：:The secretion of aspartic proteases (Saps) has long been recognized as a virulence-associated trait of the pathogenic yeast Candida albicans. In this study, we report that different recombinant Saps, including Sap1, Sap2, Sap3, and Sap6, have differing abilities to induce secretion of proinflammatory cytokines by huma...

journal_title：Infection and immunity

authors： Pietrella D,Rachini A,Pandey N,Schild L,Netea M,Bistoni F,Hube B,Vecchiarelli A

更新日期：2010-11-01 00:00:00

abstract：:Phagosome acidification is an important component of the microbicidal response by infected eukaryotic cells. Thus, intracellular pathogens that reside within phagosomes must either block phagosome acidification or be able to survive at low pH. In this work, we studied the effect of phagosomal acidification on the surv...

journal_title：Infection and immunity

authors： Steele-Mortimer O,St-Louis M,Olivier M,Finlay BB

更新日期：2000-09-01 00:00:00

abstract：:Activation of macrophages was assessed in strains of mice inoculated intraperitoneally with 1,000 times the 50% lethal dose of Rickettsia akari. Macrophages from mice resistant to R. akari infection (C3H/HeN, C57BL/10J, and BALB/cN) were nonspecifically tumoricidal 2 to 4 days after rickettsial inoculation. Moreover, ...

journal_title：Infection and immunity

authors： Nacy CA,Meltzer MS

更新日期：1982-06-01 00:00:00

abstract：:Human serum at low concentrations inhibits the growth of Cryptococcus neoformans in vitro. Fractionation of serum yielded a purified inhibitory protein with a molecular mass of approximately 81.8 kDa, a pI of approximately 6.2, and an amino acid sequence that matched that of human transferrin. The inhibitory activity ...

journal_title：Infection and immunity

authors： Sridhar S,Ahluwalia M,Brummer E,Stevens DA

更新日期：2000-06-01 00:00:00

abstract：:Tritium-labeled, water-soluble components of Streptococcus pyogenes type M6 absorbed to cardiac tissue in vitro. Tissue binding was time dependent, saturable, and reversible. Chromatography of the crude bacterial extract on Bio-Gel P-300 indicated a molecular weight greater than 300,000 for the heart-binding component...

journal_title：Infection and immunity

authors： Stinson MW,Bergey EJ

更新日期：1982-01-01 00:00:00

abstract：:Rabbit endogenous pyrogens were of about the same molecular size, but showed considerable heterogeneity of their isoelectric points. We attempted to show that this heterogeneity was attributable to variable glycosylation of a single polypeptide chain. When peritoneal exudate cells were stimulated to make pyrogens in t...

journal_title：Infection and immunity

authors： Murphy PA,Cebula TA,Windle BE

更新日期：1981-10-01 00:00:00

abstract：:The development and course of normally lethal parasitemias in mice inoculated intraperitoneally with erythrocytic stages of Plasmodium yoelii or Plasmodium berghei were markedly affected by treatment with the antilymphoid drug cyclosporin A (CS-A). When the first of four daily subcutaneous 25-mg/kg doses of CS-A was g...

journal_title：Infection and immunity

authors： Nickell SP,Scheibel LW,Cole GA

更新日期：1982-09-01 00:00:00

abstract：:Hamster trachea organ cultres were shown to consume measurable amounts of oxygen when incubated in a closed micro-chamber. Several simple and complex media were evaluated, and the optimal system involved incubating 2 to 4 mg of tracheal tissue in Tyrodes balanced salt solution at 37 C for 60 min, with oxygen activity ...

journal_title：Infection and immunity

authors： Gabridge MG

更新日期：1975-09-01 00:00:00

abstract：:We have developed sensitive and specific solid-phase radioimmunoassays to quantitate the distribution and persistence of bacterial antigen in rats developing arthritis in response to a single injection of streptococcal cell wall material. Three separate assays were specific for either the A polysaccharide (N-acetyl-D-...

journal_title：Infection and immunity

authors： Eisenberg R,Fox A,Greenblatt JJ,Anderle SK,Cromartie WJ,Schwab JH

更新日期：1982-10-01 00:00:00

abstract：:The Syrian golden hamster (Mesocricetus auratus) is uniquely susceptible to a variety of intracellular pathogens and is an excellent model for a number of human infectious diseases. The molecular basis for this high level of susceptibility is unknown, and immunological studies related to this model have been limited b...

journal_title：Infection and immunity

authors： Melby PC,Tryon VV,Chandrasekar B,Freeman GL

更新日期：1998-05-01 00:00:00

abstract：:Campylobacter jejuni is a leading cause of infectious diarrhea throughout the world. In addition, there is growing evidence that Guillain-Barré syndrome, an inflammatory demyelinating disease of the peripheral nervous system, is frequently preceded by C. jejuni infection. In the present study, the hrcA-grpE-dnaK gene ...

journal_title：Infection and immunity

authors： Thies FL,Karch H,Hartung HP,Giegerich G

更新日期：1999-03-01 00:00:00

abstract：:The cytotoxic effects of bacterial lipopolysaccharides (LPS) on mouse leukocytes have been examined in vivo and in vitro. Intraperitoneal injection of LPS into C57BL/6 mice greatly reduced the recovery of mononuclear cells; LPS was cytotoxic for macrophages, but had a mitogenic effect on lymphocytes. Similar effects o...

journal_title：Infection and immunity

authors： Peavy DL,Baughn RE,Musher DM

更新日期：1978-07-01 00:00:00

abstract：:Tuberculosis (TB) is a leading cause worldwide of human mortality attributable to a single infectious agent. Recent studies targeting candidate genes and "case-control" association have revealed numerous polymorphisms implicated in host susceptibility to TB. Here, we review current progress in the understanding of cau...

journal_title：Infection and immunity

authors： Azad AK,Sadee W,Schlesinger LS

更新日期：2012-10-01 00:00:00

abstract：:Streptococcus mutans Ingbritt was grown anaerobically in a chemostat, at a rate (mean generation time, 13 h) similar to that in dental plaque, in a complex medium with excess glucose and at pH values of 6.5, 6.0, and 5.5. The yield of cells was constant at pH 6.5 and 6.0 (2.00 mg/ml) but fell to 1.25 at pH 5.5; Y(gluc...

journal_title：Infection and immunity

authors： Hamilton IR,Ellwood DC

更新日期：1978-02-01 00:00:00

abstract：:We explored the role of urokinase and tissue-type plasminogen activators (uPA and tPA), as well as the uPA receptor (uPAR; CD87) in mouse severe malaria (SM), using genetically deficient (-/-) mice. The mortality resulting from Plasmodium berghei ANKA infection was delayed in uPA(-/-) and uPAR(-/-) mice but was simila...

journal_title：Infection and immunity

authors： Piguet PF,Da Laperrousaz C,Vesin C,Tacchini-Cottier F,Senaldi G,Grau GE

更新日期：2000-07-01 00:00:00

abstract：:Identification of antigenically conserved surface components of Haemophilus ducreyi may facilitate the development of reagents to diagnose and prevent chancroid. A hybridoma derived from a mouse immunized with nontypeable Haemophilus influenzae produced a monoclonal antibody (MAb), designated 3B9, that bound to 35 of ...

journal_title：Infection and immunity

authors： Spinola SM,Griffiths GE,Bogdan J,Menegus MA

更新日期：1992-02-01 00:00:00