Saliva enables the antimicrobial activity of LL-37 in the presence of proteases of Porphyromonas gingivalis.

abstract：:Human galectin-3 binds to the surface of Trypanosoma cruzi trypomastigotes and human coronary artery smooth muscle (CASM) cells. CASM cells express galectin-3 on their surface and secrete it. Exogenous galectin-3 increased the binding of T. cruzi to CASM cells. Trypanosome binding to CASM cells was enhanced when eithe...

journal_title：Infection and immunity

authors： Kleshchenko YY,Moody TN,Furtak VA,Ochieng J,Lima MF,Villalta F

更新日期：2004-11-01 00:00:00

abstract：:It was found that cells of Nocardia asteroides GUH-2 (virulent) were approximately 10 times more virulent than cells of N. asteroides 14759 (intermediate) and greater that 500 times more virulent than N. asteroides 10905 (avirulent) cells when early-stationary-phase cultures suspended in saline were injected intraven...

journal_title：Infection and immunity

authors： Beaman BL,Maslan S

更新日期：1977-06-01 00:00:00

abstract：:Bordetella pertussis 165-9K/129G, which produces a nontoxic form of pertussis toxin (PT), was used to prepare a whole-cell diphtheria-tetanus-pertussis (DTP) vaccine. The in vivo potency and the serological response induced by this vaccine were comparable to those of the conventional DTP vaccine which contains active ...

journal_title：Infection and immunity

authors： Marsili I,Pizza M,Giovannoni F,Volpini G,Bartalini M,Olivieri R,Rappuoli R,Nencioni L

更新日期：1992-03-01 00:00:00

abstract：:Most children and adults living in areas where the endemicity of Plasmodium falciparum malaria is high have significantly elevated levels of both total immunoglobulin E (IgE) and IgE antimalarial antibodies in blood. This elevation is highest in patients with cerebral malaria, suggesting a pathogenic role for this imm...

journal_title：Infection and immunity

authors： Perlmann P,Perlmann H,Flyg BW,Hagstedt M,Elghazali G,Worku S,Fernandez V,Rutta AS,Troye-Blomberg M

更新日期：1997-01-01 00:00:00

abstract：:We have investigated the ability of two species of streptococci isolated from the human oral cavity (Streptococcus mutans NCTC 10449 and Streptococcus sobrinus SL-1) to metabolize N-acetylglucosamine (GlcNAc), a naturally occurring amino sugar present in saliva and human glycoproteins, when provided as the sole fermen...

journal_title：Infection and immunity

authors： Homer KA,Patel R,Beighton D

更新日期：1993-01-01 00:00:00

abstract：:Improvement of antibody responses to polysaccharides through their linkage to proteins is thought to be mediated by protein-specific T helper (Th) cells. To investigate whether the carrier protein of a conjugate could be substituted by a Th epitope, Streptococcus pneumoniae type 17F polysaccharide (PS) was bromoacetyl...

journal_title：Infection and immunity

authors： de Velasco EA,Merkus D,Anderton S,Verheul AF,Lizzio EF,Van der Zee R,Van Eden W,Hoffman T,Verhoef J,Snippe H

更新日期：1995-03-01 00:00:00

abstract：:Previous studies in our laboratory have indicated that naturally resistant, inbred DBA/2J mice mount a greater serum antibody response to Pseudomonas aeruginosa 19660 than susceptible C57BL/6J mice. However, the specificity of the antibody produced was not known. The present study examines the specificity and kinetics...

journal_title：Infection and immunity

authors： Preston MJ,Berk JM,Hazlett LD,Berk RS

更新日期：1991-06-01 00:00:00

abstract：:Archived sera (collected in 1946) from acute rheumatic fever (ARF) and untreated scarlet fever and/or pharyngitis patients were reacted with streptococcal M protein, cardiac myosin, and cardiac tropomyosin. Except for very low levels to tropomyosin, antibodies to other antigens were not elevated in the sera of ARF pat...

journal_title：Infection and immunity

authors： Jones KF,Whitehead SS,Cunningham MW,Fischetti VA

更新日期：2000-12-01 00:00:00

abstract：:In an attempt to understand the mechanism of serum resistance in Actinobacillus pleuropneumoniae, in the present study we examined various interactions among the bacterial surface constituents, serum antibodies, and complement. Analysis of swine sera revealed the presence of anticapsular antibodies in convalescent-pha...

journal_title：Infection and immunity

authors： Udeze FA,Kadis S

更新日期：1992-09-01 00:00:00

abstract：:Culture filtrate proteins from Mycobacterium tuberculosis induce protective immunity in various animal models of tuberculosis. Two molecular mass regions (6 to 10 kDa and 24 to 36 kDa) of short-term culture filtrate are preferentially recognized by Th1 cells in animal models as well as by patients with minimal disease...

journal_title：Infection and immunity

authors： Rosenkrands I,Rasmussen PB,Carnio M,Jacobsen S,Theisen M,Andersen P

更新日期：1998-06-01 00:00:00

abstract：:The facultative intracellular bacterial pathogen Listeria monocytogenes induces severe fetal infection during pregnancy. Little is known about the molecular mechanisms allowing the maternofetal transmission of bacteria. In this work, we studied fetoplacental invasion by infecting mice with various mutants lacking viru...

journal_title：Infection and immunity

authors： Le Monnier A,Autret N,Join-Lambert OF,Jaubert F,Charbit A,Berche P,Kayal S

更新日期：2007-02-01 00:00:00

abstract：:Significant resistance against influenza virus and Mycobacterium tuberculosis infections was induced when trehalose dimycolate from M. tuberculosis or M. bovis but not M. avium was combined with muramyl dipeptide. Trehalose dimycolate from M. tuberculosis, in contrast to that from M. avium, could confer resistance aga...

journal_title：Infection and immunity

authors： Masihi KN,Brehmer W,Lange W,Werner H,Ribi E

更新日期：1985-12-01 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：:Calprotectin, an S100 calcium-binding protein with broad-spectrum antimicrobial activity in vitro, is expressed in neutrophils, monocytes, and gingival keratinocytes. In periodontitis, calprotectin appears upregulated and is detected at higher levels in gingival crevicular fluid and tissue specimens. How calprotectin ...

journal_title：Infection and immunity

authors： Nisapakultorn K,Ross KF,Herzberg MC

更新日期：2001-07-01 00:00:00

abstract：:Many pathogenic Escherichia coli produce the toxin alpha-hemolysin (Hly), and lipopolysaccharide (LPS), interleukin-1 (IL-1), and tumor necrosis factor (TNF) have all been recognized as important effector molecules during infections by gram-negative organisms. Despite the characterization of many in vitro effects of h...

journal_title：Infection and immunity

authors： Gleason TG,Houlgrave CW,May AK,Crabtree TD,Sawyer RG,Denham W,Norman JG,Pruett TL

更新日期：1998-09-01 00:00:00

abstract：:Sonicated preparations of capsulated Haemophilus influenzae type b, two of its spontaneous mutants, one containing patches of capsules (class I variant) and the other noncapsulated (class II variant), and a noncapsulated strain of H. influenzae type d were analyzed by crossed-immunoelectrophoresis using unadsorbed ant...

journal_title：Infection and immunity

authors： Buckmire FL

更新日期：1976-06-01 00:00:00

abstract：:Hot phenol-water extraction of smooth Brucella abortus and B. melitensis cells yielded a toxic fraction which was recovered from the phenol phase (fraction 5). Chemically, fractions 5 from both Brucella species were lipid-carbohydrate-protein-2 keto-3-deoxyoctulosonic acid complexes which were stable to heat and resis...

journal_title：Infection and immunity

authors： Leong D,Diaz R,Milner K,Rudbach J,Wilson JB

更新日期：1970-02-01 00:00:00

abstract：:The development of immunoglobulin-containing cells and antigen-specific plasma cells in retropharyngeal and bronchial lymph nodes, in lung tissue, and in nasal mucous membrane was followed during an experimental infection of pigs with Mycoplasma hyopneumoniae. An enzyme-linked immunosorbent assay was used to follow st...

journal_title：Infection and immunity

authors： Suter M,Kobisch M,Nicolet J

更新日期：1985-09-01 00:00:00

abstract：:Toxoplasma gondii is a ubiquitous parasite that persists for the life of a healthy mammalian host. A latent, chronic infection can reactivate upon immunosuppression and cause life-threatening diseases, such as encephalitis. A key to the pathogenesis is the parasite's interconversion between the tachyzoite (in acute in...

journal_title：Infection and immunity

authors： Kim SK,Karasov A,Boothroyd JC

更新日期：2007-04-01 00:00:00

abstract：:The mechanism(s) of interaction between Mycoplasma pulmonis and eucaryotic cells was studied by adherence to and hemagglutination of erythrocytes. Simple and complex carbohydrates and glycoproteins were unable to inhibit either adherence or hemagglutination, indicating that neither was a lectin activity. Both interact...

journal_title：Infection and immunity

authors： Minion FC,Cassell GH,Pnini S,Kahane I

更新日期：1984-05-01 00:00:00

abstract：:The diarrheagenic pathogen enteropathogenic Escherichia coli (EPEC) is responsible for significant infant mortality and morbidity, particularly in developing countries. EPEC pathogenesis relies on a type III secretion system-mediated transfer of virulence effectors into host cells. EPEC modulates host cell survival an...

journal_title：Infection and immunity

authors： Roxas JL,Koutsouris A,Viswanathan VK

更新日期：2007-05-01 00:00:00

abstract：:The contribution of murine Toll-like receptors 2 and 4 (TLR2 and -4, respectively) to cytokine induction by heat-killed bacteria was analyzed in vitro and in vivo. Gram-negative bacteria induced cytokines primarily via TLR4; the contribution of TLR2 was only minor. Neither TLR4 nor, surprisingly, TLR2 was required in ...

journal_title：Infection and immunity

authors： Lembo A,Kalis C,Kirschning CJ,Mitolo V,Jirillo E,Wagner H,Galanos C,Freudenberg MA

更新日期：2003-10-01 00:00:00

abstract：:The innate immune response in human tuberculosis is not completely understood. To improve our knowledge regarding the role of cathelicidin hCAP-18/LL37 in the innate immune response to tuberculosis infection, we used immunohistochemistry, immunoelectron microscopy, and gene expression to study the induction and produc...

journal_title：Infection and immunity

authors： Rivas-Santiago B,Hernandez-Pando R,Carranza C,Juarez E,Contreras JL,Aguilar-Leon D,Torres M,Sada E

更新日期：2008-03-01 00:00:00

abstract：:The orotidine-5'-monophosphate decarboxylase (OMPDC) gene, encoding the final enzyme of the de novo pyrimidine biosynthesis pathway, was deleted using Toxoplasma gondii KU80 knockouts to develop an avirulent nonreverting pyrimidine auxotroph strain. Additionally, to functionally address the role of the pyrimidine salv...

journal_title：Infection and immunity

authors： Fox BA,Bzik DJ

更新日期：2010-09-01 00:00:00

abstract：:Fourteen freshly isolated strains of Streptococcus sanguis were obtained from the dental plaque of five healthy adults. Whole saliva was collected concomitant with the plaque isolates from the five subjects, and a second whole saliva sample was collected 10 weeks later. All possible combinations of the first five sali...

journal_title：Infection and immunity

authors： Liljemark WF,Bloomquist CG,Ofstehage JC

更新日期：1979-12-01 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：:Current efforts to develop plague vaccines focus on LcrV, a polypeptide that resides at the tip of type III secretion needles. LcrV-specific antibodies block Yersinia pestis type III injection of Yop effectors into host immune cells, thereby enabling phagocytes to kill the invading pathogen. Earlier work reported that...

journal_title：Infection and immunity

authors： Miller NC,Quenee LE,Elli D,Ciletti NA,Schneewind O

更新日期：2012-04-01 00:00:00

abstract：:Protective immunity in mice to the infective third-stage larvae (L3) of Strongyloides stercoralis was shown to be dependent on immunoglobulin M (IgM), complement activation, and granulocytes. The objectives of the present study were to determine whether IgG was also a protective antibody isotype and to define the spec...

journal_title：Infection and immunity

authors： Ligas JA,Kerepesi LA,Galioto AM,Lustigman S,Nolan TJ,Schad GA,Abraham D

更新日期：2003-12-01 00:00:00

abstract：:Active immunization with Escherichia coli-expressed recombinant outer surface protein C (OspC) of Borrelia burgdorferi has been demonstrated to confer protection against a tick-transmitted infection on laboratory animals. A previous study in this laboratory showed that OspC antibody raised against a denatured immunoge...

journal_title：Infection and immunity

authors： Gilmore RD Jr,Mbow ML

更新日期：1999-10-01 00:00:00

abstract：:Peptide 9 (TDAYNQKLSERRAN) and peptide 10 (NATAEGRAINRRVE) represent surface-exposed epitopes of outer membrane protein F of Pseudomonas aeruginosa. Rats immunized with four intramuscular inoculations on days 0, 14, 28, and 42 with either peptide 9 or peptide 10 conjugated to keyhole limpet hemocyanin were afforded pr...

journal_title：Infection and immunity

authors： Gilleland LB,Gilleland HE Jr

更新日期：1995-06-01 00:00:00