Polyclonal B-cell activation induced by extracts of Gram-negative bacteria isolated from periodontally diseased sites.

abstract：:Mycoplasma arthritidis induces an acute to chronic arthritis in rodents. Arthritis induced in mice histologically resembles human rheumatoid arthritis and can be associated with lethal toxicity following systemic injection. The M. arthritidis mitogen (MAM) superantigen has long been implicated as having a role in path...

journal_title：Infection and immunity

authors： Luo W,Yu H,Cao Z,Schoeb TR,Marron M,Dybvig K

更新日期：2008-11-01 00:00:00

abstract：:Clostridium difficile is the leading cause of nosocomial bacterial diarrhea. Glutamine and its stable and highly soluble derivative alanyl-glutamine, have been beneficial in models of intestinal injury. In this study, we extend our work on the mechanisms of Clostridium difficile toxin A (TxA)-induced apoptosis in huma...

journal_title：Infection and immunity

authors： Carneiro BA,Fujii J,Brito GA,Alcantara C,Oriá RB,Lima AA,Obrig T,Guerrant RL

更新日期：2006-01-01 00:00:00

abstract：:Yersinia pestis causes a rapid, lethal disease referred to as plague. Y. pestis actively inhibits the innate immune system to generate a noninflammatory environment during early stages of infection to promote colonization. The ability of Y. pestis to create this early noninflammatory environment is in part due to the ...

journal_title：Infection and immunity

authors： Pulsifer AR,Vashishta A,Reeves SA,Wolfe JK,Palace SG,Proulx MK,Goguen J,Bodduluri SR,Haribabu B,Uriarte SM,Lawrenz MB

更新日期：2020-02-20 00:00:00

abstract：:Lymphocytes from uninfected, nonimmune mice can be stimulated to proliferate and produce antibody to diverse antigens in culture when exposed to the purified protein derivative of tuberculin or unheated tuberculin culture filtrate. Lymphocytes from numerous inbred strains of mice respond to tuberculin, but no true low...

journal_title：Infection and immunity

authors： Sultzer BM,Nilsson BS,Kirschenbaum D

更新日期：1977-03-01 00:00:00

abstract：:An unusual 120-kDa alkaline peptidase contained in a trypomastigote soluble fraction (TSF) of Trypanosoma cruzi is associated with the induction of repetitive Ca2+ transients and subsequent invasion by the parasite of a number of mammalian cell lines, including tissue culture L6E2 myoblasts (B. A. Burleigh and N. W. A...

journal_title：Infection and immunity

authors： Barr SC,Han W,Andrews NW,Lopez JW,Ball BA,Pannabecker TL,Gilmour RF Jr

更新日期：1996-05-01 00:00:00

abstract：:Lysogenic conversion of Shigella flexneri type antigens was studied with the aid of wild-type and thermosensitive mutant phages. With all wild-type phages, the appearance of glycosylated antigen was accompanied by the appearance of polyprenyl phosphate glucose synthetase activity. With some of the mutant phages, the a...

journal_title：Infection and immunity

authors： Financsek I,Ketyi I,Sasak W,Jankowski W,Janczura E,Chojnacki T

更新日期：1976-12-01 00:00:00

abstract：:The Haemophilus ducreyi 35000HP genome encodes a homolog of the CpxRA two-component cell envelope stress response system originally characterized in Escherichia coli. CpxR, the cytoplasmic response regulator, was shown previously to be involved in repression of the expression of the lspB-lspA2 operon (M. Labandeira-Re...

journal_title：Infection and immunity

authors： Labandeira-Rey M,Brautigam CA,Hansen EJ

更新日期：2010-11-01 00:00:00

abstract：:Attempts were made to isolate an antigen(s) from Candida albicans suitable for detecting hypersensitivity in a murine model of candidiasis. Using footpad reactivity in cutaneously infected animals as the assay, comparisons were made of two commercial extracts and cell wall and cytoplasmic preparations made in the labo...

journal_title：Infection and immunity

authors： Domer JE,Moser SA

更新日期：1978-04-01 00:00:00

abstract：:A major surface antigen of Trichomonas vaginalis was purified by using three independently derived monoclonal antibodies (two immunoglobulin M and one immunoglobulin G1) prepared against T. vaginalis PHS-2J. A 115,000-molecular-weight antigen and one or more components with a molecular weight of 58,000 to 64,000 were ...

journal_title：Infection and immunity

authors： Connelly RJ,Torian BE,Stibbs HH

更新日期：1985-08-01 00:00:00

abstract：:In this report, we demonstrate that the variable antigens present on the surface of Plasmodium knowlesi-infected erythrocytes could not be found on the surface of merozoites. A number of technical problems had to be solved to make such a comparative study possible, including the purification of merozoites by affinity ...

journal_title：Infection and immunity

authors： Hommel M,David PH

更新日期：1981-07-01 00:00:00

abstract：:The enzymes responsible for reducing H2O2 were surveyed in 49 strains of Leptospira by using semiquantitative assays for catalase and peroxidase. The survey revealed a differential distribution of catalase and peroxidase activities between the two leptospiral complexes. The pathogenic Leptospira interrogans strains ga...

journal_title：Infection and immunity

authors： Corin RE,Boggs E,Cox CD

更新日期：1978-12-01 00:00:00

abstract：:H(2)O(2) levels accumulated by Mycoplasma pneumoniae can be influenced by carbon source, different horse sera, yeast extract, thallium acetate, or growth in a simplified, dialyzed medium. Thus, increased levels of H(2)O(2) were detected by growth in glycerol, by omission of thallium acetate, and by the use of dialyzed...

journal_title：Infection and immunity

authors： Low IE

更新日期：1971-01-01 00:00:00

abstract：:(DBA/N[female] X CBA/2[male])F1 males have been reported to be deficient in producing antibodies against a number of antigens, including carbohydrates (I. Scher, Adv. Immunol. 35:1-71, 1982). We show that F1 male mice, in contrast to females, made less lipopolysaccharide (LPS)-specific antibodies after immunization wi...

journal_title：Infection and immunity

authors： Zweerink HJ,Gammon MC,Hutchison CF,Jackson JJ,Pier GB,Puckett JM,Sewell TJ,Sigal NH

更新日期：1988-05-01 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：:Streptococcus pneumoniae is a major cause of pneumonia and meningitis. Airway colonization is a necessary precursor to disease, but little is known about how the bacteria establish and maintain colonization. Carbohydrates are required as a carbon source for pneumococcal growth and, therefore, for colonization. Free ca...

journal_title：Infection and immunity

authors： Marion C,Burnaugh AM,Woodiga SA,King SJ

更新日期：2011-03-01 00:00:00

abstract：:Alveolar bone destruction is a characteristic feature of periodontitis. Treponema denticola is known to be involved in periodontitis. To elucidate the role of T. denticola in alveolar bone destruction in periodontitis, the effects of lipooligosaccharide (LOS) from T. denticola on osteoclast formation and on expression...

journal_title：Infection and immunity

authors： Choi BK,Lee HJ,Kang JH,Jeong GJ,Min CK,Yoo YJ

更新日期：2003-01-01 00:00:00

abstract：:Carbon storage regulator A (CsrA) is an RNA binding protein that has been characterized in many bacterial species to play a central regulatory role by modulating several metabolic processes. We recently showed that a homolog of CsrA in Borrelia burgdorferi (CsrA(Bb), BB0184) was upregulated in response to propagation ...

journal_title：Infection and immunity

authors： Karna SL,Sanjuan E,Esteve-Gassent MD,Miller CL,Maruskova M,Seshu J

更新日期：2011-02-01 00:00:00

abstract：:We used an in vitro opsonophagocytic killing assay to measure the functional activity of antibody directed at the mucoid exopolysaccharide (MEP) antigen expressed by Pseudomonas aeruginosa strains isolated from cystic fibrosis patients. Rabbit antibodies raised to purified MEP were able to mediate phagocytic killing i...

journal_title：Infection and immunity

authors： Ames P,DesJardins D,Pier GB

更新日期：1985-08-01 00:00:00

abstract：:The mechanism by which Helicobacter pylori, which has little or no invasive activity, induces gastric-tissue inflammation and injury has not been well characterized. We have previously demonstrated that water-extracted proteins of H. pylori are capable of activating human monocytes by a lipopolysaccharide (LPS)-indepe...

journal_title：Infection and immunity

authors： Pérez-Pérez GI,Shepherd VL,Morrow JD,Blaser MJ

更新日期：1995-04-01 00:00:00

abstract：:A receptor specific for lipoglycans from Acholeplasma axanthum and Acholeplasma granularum was isolated from sheep erythrocyte stroma by extraction with n-pentanol and permeation chromatography. The purified receptor appeared as one band on sodium dodecyl sulfate-polyacrylamide gels and stained with Coomassie blue, pe...

journal_title：Infection and immunity

authors： Al-Samarrai TH,Smith PF,Lynn RJ

更新日期：1982-12-01 00:00:00

abstract：:Immunocompromised patients are more susceptible to recurrent nontyphoidal Salmonella (NTS) bacteremia. A key manifestation of HIV infection is the loss of CD4 T cells, which are crucial for immunity to Salmonella infection. We characterized the consequences of CD4 T cell depletion in mice where virulent Salmonella est...

journal_title：Infection and immunity

authors： Loomis WP,Delaney MA,Johnson ML,Cookson BT

更新日期：2020-12-15 00:00:00

abstract：:Mannan (MAN) extracted from Candida albicans 20A was investigated for its potential as an antigen in the detection of cell-mediated immunity (CMI) in vivo and in vitro and for its ability to modulate CMI when administered intravenously (i.v.). CBA/J mice were either immunized as adults by the cutaneous inoculation of ...

journal_title：Infection and immunity

authors： Domer JE,Garner RE,Befidi-Mengue RN

更新日期：1989-03-01 00:00:00

abstract：:ATP and UTP have been proposed for use as therapeutic treatment of the abnormal ion transport in the airway epithelium in cystic fibrosis (CF), the most characteristic feature of which is permanent infection by Pseudomonas aeruginosa. As for diverse gram-negative bacteria, this pathogenic bacterium accumulates diffusi...

journal_title：Infection and immunity

authors： Saleh A,Figarella C,Kammouni W,Marchand-Pinatel S,Lazdunski A,Tubul A,Brun P,Merten MD

更新日期：1999-10-01 00:00:00

abstract：:The suspected correlation between cessation of type C virus production and halt in immunoglobulin secretion by murine myeloma cells was studied. Employing two variants of the murine myeloma MOPC-315, immunoglobulin A-producing and nonproducing cells, we demonstrated that the two myelomas release similar levels of type...

journal_title：Infection and immunity

authors： Gazit A,Yaniv A,Halperin D,Ben-Efraim S

更新日期：1979-08-01 00:00:00

abstract：:Parasite antigens which bind to host cell molecules of approximately 32 and 34 kilodaltons (kDa) were identified in supernatant fluids obtained from axenic cultures of Trypanosoma cruzi. These parasite components were first detected in culture supernatants obtained after 2 weeks in culture. Immunoblot analysis of cult...

journal_title：Infection and immunity

authors： Davis CD,Kuhn RE

更新日期：1990-06-01 00:00:00

abstract：:Protection against colibacillosis in neonatal piglets was obtained by immunization of pregnant dams with procholeragenoid. Procholeragenoid is a stable high-molecular-weight aggregate of cholera toxin formed during the heating of cholera toxin. Procholeragenoid retained approximately 1% of the toxicity of native toxin...

journal_title：Infection and immunity

authors： Fürer E,Cryz SJ Jr,Dorner F,Nicolet J,Wanner M,Germanier R

更新日期：1982-03-01 00:00:00

abstract：:The mechanism by which hamsters acquire resistance to yaws or frambesia is poorly understood. This investigation has shown that immune lymphoid cells (spleen and lymph node) could confer on hamsters resistance to infection with Treponema pertenue. Treatment of these immune cells with a specific antithymocyte serum (AT...

journal_title：Infection and immunity

authors： Chan JK,Schell RF,LeFrock JL

更新日期：1979-07-01 00:00:00

abstract：:The innate immune response to Pneumocystis infection is not well understood. In this study, normal C57BL/6 mouse alveolar macrophages were found to respond to Pneumocystis murina organisms through Toll-like receptor 2 (TLR2), leading to the nuclear translocation of NF-kappaB and the production of proinflammatory cytok...

journal_title：Infection and immunity

authors： Zhang C,Wang SH,Lasbury ME,Tschang D,Liao CP,Durant PJ,Lee CH

更新日期：2006-03-01 00:00:00

abstract：:Botulinum C2 toxin has histopathological activity in the mouse intestine and induces fluid accumulation in intestinal loops. The toxin caused degenerative and necrotic changes in the intestinal mucosa: intracellular vacuolization of epithelial cells, desquamation and necrosis of the villous epithelium, intercellular e...

journal_title：Infection and immunity

authors： Ohishi I,Odagiri Y

更新日期：1984-01-01 00:00:00

abstract：:We have previously demonstrated that fibronectin mediates streptococcal adhesion to host cells and that streptococci interact primarily with the N-terminal domain of fibronectin. FBP54 is a 54-kDa protein from group A streptococci that binds fibronectin. In this report, we show that the N-terminal domain of fibronecti...

journal_title：Infection and immunity

authors： Courtney HS,Dale JB,Hasty DI

更新日期：1996-07-01 00:00:00