Bacteroides gingivalis fimbriae stimulate production of thymocyte-activating factor by human gingival fibroblasts.

abstract：:An antigenic complex has been isolated in a highly purified from from the Melvin strain of Neisseria gonorrhoeae. The complex has a molecular weight of 9.3 x 10(6) and on sodium dodecyl sulfate-polyacrylamide gel electrophoresis was found to consist of several subunits; the most predominant had the following molecular...

journal_title：Infection and immunity

authors： Karkhanis YD,Anderson RL,Zeltner JY,Carlo DJ,Stoudt TH

更新日期：1979-08-01 00:00:00

abstract：:Salmonella infection can cause gastroenteritis in healthy individuals or a serious, systemic infection in immunocompromised patients and has a global impact. CD4 Th1 cells represent the main lymphocyte population that participates in bacterial clearance during both primary and secondary infections in mice of the H-2b ...

journal_title：Infection and immunity

authors： Labuda JC,Depew CE,Pham OH,Benoun JM,Ramirez NA,McSorley SJ

更新日期：2019-10-18 00:00:00

abstract：:The Duffy binding protein (DBP) is a vital ligand for Plasmodium vivax blood-stage merozoite invasion, making the molecule an attractive vaccine candidate against vivax malaria. Similar to other blood-stage vaccine candidates, DBP allelic variation eliciting a strain-specific immunity may be a major challenge for deve...

journal_title：Infection and immunity

authors： Ntumngia FB,Schloegel J,Barnes SJ,McHenry AM,Singh S,King CL,Adams JH

更新日期：2012-03-01 00:00:00

abstract：:A purified A-antigen preparation of Blastomyces dermatitidis was determined to be composed of five major glycoprotein bands, visible with Coomassie blue and periodic acid-Schiff staining of polyacrylamide gels. At least 20 additional protein bands were detected by using a silver stain, which was 100 times more sensiti...

journal_title：Infection and immunity

authors： Young KD,Larsh HW

更新日期：1981-07-01 00:00:00

abstract：:Three types of caseinolytic proteases (Pase-A, Pase-B, and Pase-C) were isolated and purified from culture supernatants of Porphyromonas gingivalis 381 by the combined procedures of acetone precipitation, gel filtration, solubilization with octylthioglucoside followed by affinity chromatography on arginine-Sepharose 4...

journal_title：Infection and immunity

authors： Hinode D,Hayashi H,Nakamura R

更新日期：1991-09-01 00:00:00

abstract：:The attachment and invasion of chicken ovarian granulosa cells by Salmonella enteritidis was examined in vitro. The attachment was inhibited by preincubation of granulosa cells with anti-chicken fibronectin antibody (approximately 70% reduction in attachment) or preincubation with a 14-kDa fimbrial protein isolated fr...

journal_title：Infection and immunity

authors： Thiagarajan D,Saeed M,Turek J,Asem E

更新日期：1996-12-01 00:00:00

abstract：:The level of type-specific antigen (that covalently associated with the cell wall peptidoglycan and that released extracellularly) synthesized by virulent and avirulent strains of type III group B streptococci was quantitated and compared. Additionally, the effect of the physiological age of the cells and the influenc...

journal_title：Infection and immunity

authors： Yeung MK,Mattingly SJ

更新日期：1984-05-01 00:00:00

abstract：:Clostridium perfringens type B and type C isolates, which produce beta-toxin (CPB), cause fatal diseases originating in the intestines of humans or livestock. Our previous studies demonstrated that CPB is necessary for type C isolate CN3685 to cause bloody necrotic enteritis in a rabbit ileal loop model and also showe...

journal_title：Infection and immunity

authors： Vidal JE,McClane BA,Saputo J,Parker J,Uzal FA

更新日期：2008-10-01 00:00:00

abstract：:Three parameters of rotavirus infection, i.e., clinical disease, viral antigen in infected intestines, and infectious virus in feces, were assessed in infant mice nursed by mothers with or without preexisting rotavirus antibody. Diarrhea was the only consistent sign of clinical disease, and its course followed that of...

journal_title：Infection and immunity

authors： Little LM,Shadduck JA

更新日期：1982-11-01 00:00:00

abstract：:Protection by surface antigen TF1.17 of Tritrichomonas foetus was investigated because it reacted with a monoclonal antibody which immobilized and mediated complement killing of the organism and prevented adherence to vaginal epithelial cells. This monoclonal antibody was used to demonstrate conservation of the antige...

journal_title：Infection and immunity

authors： BonDurant RH,Corbeil RR,Corbeil LB

更新日期：1993-04-01 00:00:00

abstract：:The susceptibility of a few strains of mice to a subcutaneous injection of Leishmania tropica major, the causative agent of cutaneous leishmaniasis in humans, was studied. The infection in six strains (CBA, AKR/J, AKR/cu, C57BL/6, A/J, and C3H) remained cutaneous, and the animals recovered within 3 to 4 months. In con...

journal_title：Infection and immunity

authors： Nasseri M,Modabber FZ

更新日期：1979-11-01 00:00:00

abstract：:Twenty-six Pseudomonas aeruginosa strains from patients with cystic fibrosis were typed by the Fisher immunotyping scheme. Only 6 strains were agglutinated by a single typing serum, whereas 15 strains were agglutinated with more than one serum and 5 were not agglutinated by any serum. Neither the polyagglutinable nor ...

journal_title：Infection and immunity

authors： Hancock RE,Mutharia LM,Chan L,Darveau RP,Speert DP,Pier GB

更新日期：1983-10-01 00:00:00

abstract：:The cytolethal distending toxin (Cdt) of Actinobacillus actinomycetemcomitans is an atypical A-B-type toxin consisting of a heterotrimer composed of the cdtA, cdtB, and cdtC gene products. The CdtA and CdtC subunits form two heterogeneous ricin-like lectin domains which bind the holotoxin to the target cell. Point mut...

journal_title：Infection and immunity

authors： Cao L,Volgina A,Korostoff J,DiRienzo JM

更新日期：2006-09-01 00:00:00

abstract：:Encapsulated Streptococcus pneumoniae of serotypes 2, 9N, 14, 21, and 23F and an unencapsulated variant of type 2 pneumococci were efficiently phagocytosed by both aerobically and anaerobically incubated human leukocytes. In the presence of O2, the pneumococci rapidly lost their viability, whereas during anaerobiosis,...

journal_title：Infection and immunity

authors： Thore M,Löfgren S,Tärnvik A,Monsen T,Selstam E,Burman LG

更新日期：1985-01-01 00:00:00

abstract：:Growth in colonies with type 1 morphology and the presence of pili are characteristics that have been associated with virulence of gonococci for humans. To determine whether the presence of pili per se might be responsible for colony type 1 morphology, the relationship of pili to colony type was examined in various sp...

journal_title：Infection and immunity

authors： McGee ZA,Dourmashkin RR,Gross JG,Clark JB,Taylor-Robinson D

更新日期：1977-02-01 00:00:00

abstract：:Neutrophils are the main inflammatory cell present in lesions involving the central nervous system (CNS) during human and murine listeriosis. In this study, administration of the neutrophil-depleting monoclonal antibody RB6-8C5 during experimental murine listeriosis facilitated the multiplication of Listeria monocytog...

journal_title：Infection and immunity

authors： López S,Marco AJ,Prats N,Czuprynski CJ

更新日期：2000-08-01 00:00:00

abstract：:Natural killer (NK) cells are considered to be key players in the early innate responses to protozoan infections, primarily indirectly by producing gamma interferon (IFN-gamma) in response to cytokines, like interleukin 12 (IL-12). We demonstrate that live, as well as heat-inactivated, tachyzoites of Neospora caninum,...

journal_title：Infection and immunity

authors： Boysen P,Klevar S,Olsen I,Storset AK

更新日期：2006-02-01 00:00:00

abstract：:Nontypeable Haemophilus influenzae (NTHi) is a commensal microorganism of the human nasopharynx, and yet is also an opportunistic pathogen of the upper and lower respiratory tracts. Host microenvironments influence gene expression patterns, likely critical for NTHi persistence. The host sequesters iron as a mechanism ...

journal_title：Infection and immunity

authors： Harrison A,Santana EA,Szelestey BR,Newsom DE,White P,Mason KM

更新日期：2013-04-01 00:00:00

abstract：:TB10.4 is a newly identified antigen of Mycobacterium tuberculosis recognized by human and murine T cells upon mycobacterial infection. Here, we show that immunization with Mycobacterium bovis BCG induces a strong, genetically controlled, Th1 immune response against TB10.4 in mice. BALB/c and C57BL/6 strains behave as...

journal_title：Infection and immunity

authors： Hervas-Stubbs S,Majlessi L,Simsova M,Morova J,Rojas MJ,Nouzé C,Brodin P,Sebo P,Leclerc C

更新日期：2006-06-01 00:00:00

abstract：:The hydrolysis of urea by ureases of oral bacteria in dental plaque can cause a considerable increase in plaque pH, which can inhibit the development of dental caries. There is also indirect evidence that urea metabolism may promote the formation of calculus and that ammonia release from urea could exacerbate periodon...

journal_title：Infection and immunity

authors： Morou-Bermudez E,Burne RA

更新日期：2000-12-01 00:00:00

abstract：:Cytokine gene expression in cells migrating in afferent and efferent intestinal lymph was monitored for extended time periods in individual sheep experimentally infected with the nematode Trichostrongylus colubriformis. Animals from stable selection lines with increased levels of either genetic resistance (R) or susce...

journal_title：Infection and immunity

authors： Pernthaner A,Cole SA,Morrison L,Hein WR

更新日期：2005-04-01 00:00:00

abstract：:Treponema denticola is a cultivable oral spirochete which perturbs the cytoskeleton in cultured cells of oral origin, but intracellular signalling pathways by which it affects actin assembly are largely unknown. As the outer membrane (OM) of Treponema denticola disrupts actin-dependent processes that normally require ...

journal_title：Infection and immunity

authors： Ko KS,Glogauer M,McCulloch CA,Ellen RP

更新日期：1998-02-01 00:00:00

abstract：:Sterile sonic-treated materials of pneumococci grown in media containing N-acetylmannosamine as the carbohydrate source were lethal for mice. Purification of the toxic factor led to its identification as the enzyme neuraminidase. ...

journal_title：Infection and immunity

authors： Kelly R,Greiff D

更新日期：1970-07-01 00:00:00

abstract：:Shiga toxin-producing Escherichia coli (STEC) is a food-borne pathogen with a low infectious dose that colonizes the colon in humans and can cause severe clinical manifestations such as hemolytic-uremic syndrome. The urease enzyme, encoded in the STEC chromosome, has been demonstrated to act as a virulence factor in o...

journal_title：Infection and immunity

authors： Steyert SR,Kaper JB

更新日期：2012-08-01 00:00:00

abstract：:Colonization of the large bowel of healthy infants by Clostridium difficile was studied. Feces were collected from five breast-fed aand five formula-fed infants throughout the first year of life, and levels of C. difficile were quantitated. Three breast-fed and five formula-fed infants were colonized for periods of be...

journal_title：Infection and immunity

authors： Stark PL,Lee A,Parsonage BD

更新日期：1982-03-01 00:00:00

abstract：:One-day-old chicks were infected orally with two strains of weakly hemolytic spirochetes isolated from a human and a pig with intestinal spirochetosis. These spirochetosis both colonized birds, attached end-on to their cecal enterocytes, induced watery diarrhea, and significantly depressed growth rates. Cultures of Se...

journal_title：Infection and immunity

authors： Trott DJ,McLaren AJ,Hampson DJ

更新日期：1995-09-01 00:00:00

abstract：:Upon infection of a host, the pathogenic fungus Aspergillus fumigatus is attacked by the reactive oxygen species produced by phagocytic cells. Detoxification of hydrogen peroxide by catalases was proposed as a way to overcome this host response. A. fumigatus produces three active catalases; one is produced by conidia,...

journal_title：Infection and immunity

authors： Paris S,Wysong D,Debeaupuis JP,Shibuya K,Philippe B,Diamond RD,Latgé JP

更新日期：2003-06-01 00:00:00

abstract：:Local passive immunization with monoclonal antibodies (Mc Ab) to Streptococcus mutans was attempted as an alternative approach to active systemic immunization. We prepared an immunoglobulin G class Mc Ab to the cell surface protein determinant of streptococcal antigen I/II and applied it repeatedly to the teeth of rhe...

journal_title：Infection and immunity

authors： Lehner T,Caldwell J,Smith R

更新日期：1985-12-01 00:00:00

abstract：:Attachment and ingestion of Mycobacterium avium subsp. paratuberculosis by two epithelial cell lines were enhanced by soluble fibronectin (FN). Peptide blocking of the FN attachment protein (FAP-P) inhibited the internalization of M. avium subsp. paratuberculosis. Disruption of FAP-P expression significantly reduced a...

journal_title：Infection and immunity

authors： Secott TE,Lin TL,Wu CC

更新日期：2002-05-01 00:00:00

abstract：:Several strains of group B Streptococcus agalactiae were found to be lethal for young adult rats. When bacteria were heat killed and then injected intraperitoneally into rats, rapid death (14 to 18 h) of the rats occurred, characterized by labored breathing, hemolyzed serum, hemoglobinuria, and subungual hemorrhages. ...

journal_title：Infection and immunity

authors： Warejcka DJ,Goodrum KJ,Spitznagel JK

更新日期：1985-05-01 00:00:00