Splenomegaly, enhanced phagocytosis, and anemia are thymus-dependent responses to malaria.

abstract：:Our previous animal studies showed that maternal Porphyromonas gingivalis infection in a subcutaneous chamber is associated with hepatic and uterine translocation, as well as systemic induction of maternal inflammatory responses, both of which were associated with fetal growth restriction (FGR). However, P. gingivalis...

journal_title：Infection and immunity

authors： Lin D,Smith MA,Elter J,Champagne C,Downey CL,Beck J,Offenbacher S

更新日期：2003-09-01 00:00:00

abstract：:Helicobacter pylori infection causes severe gastroduodenal diseases in humans. Its virulence is strongly increased by the presence of the cag pathogenicity island (cag PAI). It has been shown that CagA, a major antigen in humans, is translocated to the host cell via a secretion system encoded by the cag PAI. The roles...

journal_title：Infection and immunity

authors： Seydel A,Tasca E,Berti D,Rappuoli R,Del Giudice G,Montecucco C

更新日期：2002-11-01 00:00:00

abstract：:gamma delta T cells have variously been implicated in the protection against, and the pathogenesis of, malaria, but few studies have examined the gamma delta T-cell response to malaria in African children, who suffer the large majority of malaria-associated morbidity and mortality. This is unfortunate, since available...

journal_title：Infection and immunity

authors： Hviid L,Kurtzhals JA,Adabayeri V,Loizon S,Kemp K,Goka BQ,Lim A,Mercereau-Puijalon O,Akanmori BD,Behr C

更新日期：2001-05-01 00:00:00

abstract：:Changes in the structural components of the Streptococcus pyogenes membrane between exponential and early stationary phases of growth are reported. The overall protein composition ranged from 70 to 73% of the dry weight of the membranes, irrespective of the phase of growth from which they were isolated. Amino acid ana...

journal_title：Infection and immunity

authors： van de Rijn I,Kessler RE

更新日期：1979-12-01 00:00:00

abstract：:The gastric pathogen helicobacter pylori is one of a number of bacteria which bind specifically to gangliotetraosylceramide, gangliotriaosylceramide, and phosphatidylethanolamine in vitro at neutral pH. Since this organism encounters an acid pH during initial infection of the stomach, we have monitored the effect of p...

journal_title：Infection and immunity

authors： Huesca M,Borgia S,Hoffman P,Lingwood CA

更新日期：1996-07-01 00:00:00

abstract：:We examined the secretion of antimicrobial proteins and peptides into surgically isolated and continuously perfused segments of rat small intestine. Up to nine discrete antimicrobial molecules appeared in the intestinal perfusates following intravenous administration of bethanechol, a cholinergic agonist, or intralume...

journal_title：Infection and immunity

authors： Qu XD,Lloyd KC,Walsh JH,Lehrer RI

更新日期：1996-12-01 00:00:00

abstract：:The expression of several virulence determinants of Yersinia pestis is known to be dependent on the in vitro growth temperature. One of these, calcium dependence, is associated with the presence of a 47-megadalton plasmid. We have examined the effects of incubation temperature, calcium in the growth medium, the presen...

journal_title：Infection and immunity

authors： Darveau RP,Charnetzky WT,Hurlbert RF,Hancock RE

更新日期：1983-12-01 00:00:00

abstract：:The derivative toxins purified from cultures of proteolytic strains of Clostridium botulinum types A and F were found to have been only partially nicked but were fully activated. Trypsinization of C. botulinum type B derivative toxin at pH 6.0 resulted in simultaneous activation and nicking, whereas at pH 4.5, activat...

journal_title：Infection and immunity

authors： Ohishi I,Sakaguchi G

更新日期：1977-08-01 00:00:00

abstract：:CmeABC functions as a multidrug efflux pump contributing to the resistance of Campylobacter to a broad range of antimicrobials. In this study, we examined the role of CmeABC in bile resistance and its contribution to the adaptation of Campylobacter jejuni in the intestinal tract of the chicken, a natural host and a ma...

journal_title：Infection and immunity

authors： Lin J,Sahin O,Michel LO,Zhang Q

更新日期：2003-08-01 00:00:00

abstract：:Toxic protein(s) neutralized with anti-C2 toxic serum was extracted from Clostridium botulinum type C spores treated with an alkaline mercaptoethanol solution. C2 toxicity in the spores was located in the spore coat fraction and was more heat stable than that found in culture fluid. ...

journal_title：Infection and immunity

authors： Yamakawa K,Nishida S,Nakamura S

更新日期：1983-08-01 00:00:00

abstract：: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 recruitment of neu...

journal_title：Infection and immunity

authors： Sjölinder H,Lövkvist L,Plant L,Eriksson J,Aro H,Jones A,Jonsson AB

更新日期：2008-09-01 00:00:00

abstract：:Smoking is associated with increased susceptibility to tuberculosis and influenza. However, little information is available on the mechanisms underlying this increased susceptibility. Mice were left unexposed or were exposed to cigarette smoke and then infected with Mycobacterium tuberculosis by aerosol or influenza A...

journal_title：Infection and immunity

authors： Feng Y,Kong Y,Barnes PF,Huang FF,Klucar P,Wang X,Samten B,Sengupta M,Machona B,Donis R,Tvinnereim AR,Shams H

更新日期：2011-01-01 00:00:00

abstract：:It has been reported that Neisseria gonorrhoeae possesses a very high level of catalase activity, but the regulation of catalase expression has not been investigated extensively. In Escherichia coli and Salmonella enterica serovar Typhimurium, it has been demonstrated that OxyR is a positive regulator of hydrogen pero...

journal_title：Infection and immunity

authors： Tseng HJ,McEwan AG,Apicella MA,Jennings MP

更新日期：2003-01-01 00:00:00

abstract：:During infection, the Legionnaires' disease bacterium, Legionella pneumophila, survives and multiplies within a specialized phagosome that is near neutral pH and does not fuse with host lysosomes. In order to understand the molecular basis of this organism's ability to control its intracellular fate, we have isolated ...

journal_title：Infection and immunity

authors： Wiater LA,Dunn K,Maxfield FR,Shuman HA

更新日期：1998-09-01 00:00:00

abstract：:Murine cerebral malaria (CM) induced by Plasmodium berghei ANKA kills susceptible mice within 24 to 48 h of onset of symptoms and is characterized by the production of inflammatory cytokines in the brain. C57BL/6J mice are sensitive to lethal CM, while A/J mice are resistant. These strains of mice were immunized with ...

journal_title：Infection and immunity

authors： Jennings VM,Lal AA,Hunter RL

更新日期：1998-12-01 00:00:00

abstract：:We have previously identified mgrA (rat) as a regulator of autolysis in Staphylococcus aureus. Besides its effect on autolytic activity, we recently found alterations in the expression of regulator and target virulence genes in the mgrA mutant. Northern analysis and transcription fusion assays showed that inactivation...

journal_title：Infection and immunity

authors： Ingavale S,van Wamel W,Luong TT,Lee CY,Cheung AL

更新日期：2005-03-01 00:00:00

abstract：:Histoplasma capsulatum induces a cell-mediated immune response in the lungs and lymphoid organs of mammals. In this study, we analyzed the progression of the cytokine and inflammatory reactions in the lungs of mice infected intranasally with H. capsulatum. We measured cytokine mRNA levels and determined the inflammato...

journal_title：Infection and immunity

authors： Cain JA,Deepe GS Jr

更新日期：1998-04-01 00:00:00

abstract：:Vibrio vulnificus causes rapidly progressing septicemia with an extremely high mortality rate (≥50%), even with aggressive antibiotic treatment. The bacteria secrete multifunctional autoprocessing repeats-in-toxin (MARTX) toxins, which are involved in the pathogenesis of Gram-negative Vibrio species. Recently, we repo...

journal_title：Infection and immunity

authors： Lee TH,Cha SS,Lee CS,Rhee JH,Chung KM

更新日期：2014-11-01 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：:We wished to find a simple, biologically relevant method to evaluate the virulence of dengue viruses for human beings. Since cells of mononuclear phagocyte lineage may be important sites of dengue infection in primates, we evaluated the permissiveness of these cells to dengue virus as a correlate of virus virulence. T...

journal_title：Infection and immunity

authors： Halstead SB,Tom MC,Elm JL Jr

更新日期：1981-01-01 00:00:00

abstract：:Brucella abortus is a facultative intracellular bacterial pathogen that causes abortion in domestic animals and undulant fever in humans. The mechanism of virulence of Brucella spp. is not fully understood yet. Furthermore, genes that allow Brucella to reach the intracellular niche and to interact with host cells need...

journal_title：Infection and immunity

authors： Rosinha GM,Freitas DA,Miyoshi A,Azevedo V,Campos E,Cravero SL,Rossetti O,Splitter G,Oliveira SC

更新日期：2002-09-01 00:00:00

abstract：:Thrombospondin-related anonymous protein (TRAP) of the malaria parasite Plasmodium falciparum shares two sequence motifs with other proteins which possess adhesive properties. Recently, findings indicate that TRAP is an antigen which contributes to antisporozoite immunity. We have cloned and expressed the TRAP coding ...

journal_title：Infection and immunity

authors： Scarselli E,Tolle R,Koita O,Diallo M,Müller HM,Früh K,Doumbo O,Crisanti A,Bujard H

更新日期：1993-08-01 00:00:00

abstract：:The mouse system provides an excellent model for studying host resistance to Naegleria fowleri, the agent of primary amoebic meningoencephalitis. Innate resistance to infection with N. fowleri was examined with respect to infecting dose and the age, sex, and strain of mice. Intravenous inoculation with 10(7) amoebae p...

journal_title：Infection and immunity

authors： Haggerty RM,John DT

更新日期：1978-04-01 00:00:00

abstract：:A hallmark of Bartonella henselae is persistent bacteremia in cats despite the presence of a vigorous host immune response. To understand better the long-term survival of B. henselae in cats, we examined the feline humoral immune response to B. henselae outer membrane (OM) proteins in naturally and experimentally infe...

journal_title：Infection and immunity

authors： Chenoweth MR,Greene CE,Krause DC,Gherardini FC

更新日期：2004-06-01 00:00:00

abstract：:During persistence of nonencapsulated Haemophilus influenzae in the respiratory tracts of patients with chronic bronchitis, the major outer membrane proteins (MOMPs) P2 and P5 show antigenic drift. The hypothesis that appearance of antigenic variants is the consequence of antibody-dependent selection was tested in a r...

journal_title：Infection and immunity

authors： Vogel L,Duim B,Geluk F,Eijk P,Jansen H,Dankert J,vanAlphen L

更新日期：1996-03-01 00:00:00

abstract：:In this study, we report on a novel approach based on modification of the intestinal surface to prevent diarrhea caused by enterotoxigenic Escherichia coli (ETEC). The removable intestinal tie adult rabbit diarrhea (RITARD) model was used to test the efficacy of an enteric-coated protease preparation (Detach; Enzacor ...

journal_title：Infection and immunity

authors： Mynott TL,Chandler DS,Luke RK

更新日期：1991-10-01 00:00:00

abstract：:Lipopolysaccharide (LPS) is one of the most potent trigger substances for monocytes and macrophages causing secretion of tumor necrosis factor alpha (TNF-alpha) and other inflammatory mediators. The nature of the nuclear factors involved in human TNF-alpha gene regulation is still unknown. Nuclear factor kappa B (NF-k...

journal_title：Infection and immunity

authors： Takashiba S,Van Dyke TE,Shapira L,Amar S

更新日期：1995-04-01 00:00:00

abstract：:Vaccines for P. falciparum will need to contain both T- and B-cell epitopes. Conserved epitopes are the most desirable, but they are often poorly immunogenic. The major merozoite surface protein 1 (MSP-1) is currently a leading vaccine candidate antigen. In this study, six peptides from conserved or partly conserved r...

journal_title：Infection and immunity

authors： Parra M,Hui G,Johnson AH,Berzofsky JA,Roberts T,Quakyi IA,Taylor DW

更新日期：2000-05-01 00:00:00

abstract：:The Mycobacterium tuberculosis exported repetitive protein (Erp) is a virulence determinant required for growth in cultured macrophages and in vivo. To better understand the role of Erp in Mycobacterium pathogenesis, we generated a mutation in the erp homologue of Mycobacterium marinum, a close genetic relative of M. ...

journal_title：Infection and immunity

authors： Cosma CL,Klein K,Kim R,Beery D,Ramakrishnan L

更新日期：2006-06-01 00:00:00

abstract：:Salmonella species utilize type III secretion systems (T3SSs) to translocate effectors into the cytosol of mammalian host cells, subverting cell signaling and facilitating the onset of gastroenteritis. In this study, we compared a draft genome assembly of Salmonella enterica subsp. salamae strain 3588/07 against the g...

journal_title：Infection and immunity

authors： Pollard DJ,Young JC,Covarelli V,Herrera-León S,Connor TR,Fookes M,Walker D,Echeita A,Thomson NR,Berger CN,Frankel G

更新日期：2016-11-18 00:00:00