abstract：:A pilot safety and immunogenicity trial of the malaria vaccine SPf66 was undertaken in The Gambia in 1993. One hundred and fifty infants aged 6-11 months were immunized with either 0.5 mg or 1.0 mg of SPf66 produced either in Colombia or in the USA or with a control vaccine. Children who received SPf66 experienced mor...

journal_title：Parasite immunology

authors： Bojang KA,Obaro SK,Leach A,D'Alessandro U,Bennett S,Metzger W,Ballou WR,Targett GA,Greenwood BM

更新日期：1997-12-01 00:00:00

abstract：:Toxoplasma gondii-specific murine CD4+ T cell clone 3Tx9 belongs to the Th1 subtype by virtue of secreting high levels of interleukin(IL)-2, interferon-gamma and tumor necrosis factor without producing IL4 and IL10. To characterize the clonal antigen, Toxoplasma lysate-was separated by SDS-PAGE and probed in T cell bl...

journal_title：Parasite immunology

authors： Reichmann G,Dlugonska H,Fischer HG

更新日期：1997-05-01 00:00:00

abstract：:Immunization of mammals with irradiated malaria sporozoites protects from a subsequent contact with the parasite. Protective immunity is directed against the pre-erythrocytic stages of the parasite, sporozoites and liver stages. Specific antibodies neutralize part of the infectious sporozoites infected by the mosquito...

journal_title：Parasite immunology

authors： Renggli J,Hahne M,Matile H,Betschart B,Tschopp J,Corradin G

更新日期：1997-03-01 00:00:00

abstract：:In schistosomiasis endemic areas, intensities of reinfection after treatment are greater amongst young children than amongst adults, and high levels of parasite-specific IgE are associated with resistance to reinfection in an age-dependent manner. Previously we have reported that, in Western blots, a 22 kDa band was r...

journal_title：Parasite immunology

authors： Dunne DW,Webster M,Smith P,Langley JG,Richardson BA,Fulford AJ,Butterworth AE,Sturrock RF,Kariuki HC,Ouma JH

更新日期：1997-02-01 00:00:00

abstract：:Particular immunopathological features and their effects on the vascular permeability of different ocular structures were analysed in two dogs naturally infected by Leishmania infantum. The existence of specific anti-Leishmania immunoglobulin G (IgG) in the aqueous humour was confirmed by the ELISA technique. There wa...

journal_title：Parasite immunology

authors： García-Alonso M,Blanco A,Reina D,Serrano FJ,Alonso C,Nieto CG

更新日期：1996-12-01 00:00:00

abstract：:Naturally acquired humoral immune responses to Pfs16, an integral membrane protein expressed in Plasmodium falciparum gametocytes and sporozoites, were investigated in The Gambia. A high prevalence of antibodies to this molecule was detected by peptide ELISA. Ninety-three per cent of the people taking part in a survey...

journal_title：Parasite immunology

authors： Baker DA,Drakeley CJ,Ong CS,Lulat AG,Greenwood BM,Targett GA

更新日期：1996-10-01 00:00:00

abstract：:The role of MHC class II in the presentation of Heligmosomoides polygyrus antigens has been investigated, using a number of T cell hybridomas produced in A and E positive and negative mice. By using fixed and irradiated antigen presenting cells (APC), further evidence has emerged, to support earlier data, that there c...

journal_title：Parasite immunology

authors： Mason SD,Gustad TR,David CS,Robinson M

更新日期：1996-09-01 00:00:00

abstract：:In the present study we have investigated and compared in vitro the specific complement (C) activating activity of three metacestode preparations of Echinococcus granulosus. Extracts from hydatid cyst fluid (HCF-ext), protoscoleces (PSC-ext) and hydatid cyst membrane (HCM-ext) activated human C producing C3 conversion...

journal_title：Parasite immunology

authors： Irigoín F,Würzner R,Sim RB,Ferreira AM

更新日期：1996-07-01 00:00:00

abstract：:In order to characterize immunodominant components of T. spiralis a workshop was organized. In this the reactivity of monoclonal and polyclonal antibodies, provided by different research groups, towards total extracts from adult, new born larvae and muscle larvae as well as to excretory/secretory components of muscle ...

journal_title：Parasite immunology

authors： Ortega-Pierres MG,Yepez-Mulia L,Homan W,Gamble HR,Lim PL,Takahashi Y,Wassom DI,Appleton JA

更新日期：1996-06-01 00:00:00

abstract：:We compared the antigenicity of p126 Plasmodium falciparum peptides with predicted antigenic regions identified using the methods described by Garnier et al. (1978) and Chou & Fasman (1974). For this purpose nine different P. falciparum peptides were synthesized in accordance with the deduced amino acid sequence of th...

journal_title：Parasite immunology

authors： Ferreira-da-Cruz Mde F,Giovanni-de-Simone S,Banic DM,Canto-Cavalheiro M,Camus D,Daniel-Ribeiro CT

更新日期：1996-03-01 00:00:00

abstract：:Serum from cats (Felis catus) that were repeatedly infected with Brugia pahangi and had become amicrofilaraemic (mf-ve) was injected intravenously into microfilaraemic (mf+ve) cats. If more than 1 microliter of immune serum per 1000 mf was injected, microfilarial counts fell dramatically within minutes and, in some ca...

journal_title：Parasite immunology

authors： Medeiros F,Baldwin CI,Denham DA

更新日期：1996-02-01 00:00:00

abstract：:Groups of five dogs were vaccinated against Babesia canis using soluble parasite (SPA) antigens from in vitro cultures. Although vaccination did not significantly alter peripheral parasitaemia upon challenge, protected animals had lower levels of SPA in the plasma after a challenge infection. The severity of anaemia c...

journal_title：Parasite immunology

authors： Schetters TP,Scholtes NC,Kleuskens JA,Bos HJ

更新日期：1996-01-01 00:00:00

abstract：:The effect of Toxocara (T.) canis antigen (TcAg) on lymphocytes was studied in vitro using normal murine spleen cells and human peripheral blood lymphocytes. TcAg prepared from adult worms stimulated murine spleen cells to proliferate at concentrations of 1-125 micrograms/ml. The responder cells TcAg are B cells, beca...

journal_title：Parasite immunology

authors： Wang MQ,Jiang HJ,Inoue H,Myozaki M,Yamashita U

更新日期：1995-12-01 00:00:00

abstract：:The effect of infection and subsequent challenge with Eimeria maxima on the populations of lymphocytes in the small intestine of Light Sussex chickens was assessed by immunohistochemistry. T cells were characterized for CD3, CD4, CD8, TCR1 (gamma delta heterodimer) or TCR2 (alpha beta 1 heterodimer) markers, and B cel...

journal_title：Parasite immunology

authors： Rothwell L,Gramzinski RA,Rose ME,Kaiser P

更新日期：1995-10-01 00:00:00

abstract：:In order to gain insights into the immune response in onchocerciasis during early infection, laboratory-reared calves were infected with 1000 Onchocerca lienalis infective larvae and examined serologically over a period of 508 days. Levels of serum antibodies measured by ELISA against adult worm extract revealed a mul...

journal_title：Parasite immunology

authors： Kuo YM,Bianco AE

更新日期：1995-08-01 00:00:00

abstract：:Isotype/subclass-specific antibody responses to adult Onchocerca volvulus extract (OvAg) were assessed by both ELISA and immunoblotting for a group of putatively immune individuals (PIs, n = 29) from a hyperendemic area in Ecuador and for a group of infected individuals (INFs, n = 470) from the same regions. As a grou...

journal_title：Parasite immunology

authors： Stewart GR,Elson L,Araujo E,Guderian R,Nutman TB,Bradley JE

更新日期：1995-07-01 00:00:00

abstract：:A 120 kDa antigen containing SDS-PAGE fraction BmA-2 isolated from Brugia malayi adult parasite was highly reactive with normal sera from filarial endemic area. BmA-2 was analysed for its prophylactic potential in in vitro and in vivo. Sera collected from BmA-2 immunized jirds induced a significant level (80 to 90%) o...

journal_title：Parasite immunology

authors： Chenthamarakshan V,Reddy MV,Harinath BC

更新日期：1995-06-01 00:00:00

abstract：:A number of T cell hybridomas were produced to adult worm homogenate (AWH) antigen of the nematode parasite Heligmosomoides polygyrus. All of the hybridomas were of the H-2d haplotype and could potentially accept antigen in the context of either the Ad or Ed, H-2 molecules. Three types of antigen presentation were obs...

journal_title：Parasite immunology

authors： Robinson M,Gustad TR,Garner SD,David CS

更新日期：1995-05-01 00:00:00

abstract：:Mitogen-activated lymphocytes co-cultured with either purified Trypanosoma cruzi trypomastigotes or the filtrate of trypomastigote suspensions in culture medium manifest a significant decrease in their capacities to express p55 interleukin-2 receptor molecules (p55IL-2R) on their membrane and proliferate. In this stud...

journal_title：Parasite immunology

authors： Kierszenbaum F,Majumder S,Mejia Lopez H,Sztein MB

更新日期：1995-04-01 00:00:00

abstract：:The role of CD4+ and CD8+ T cells in protective immunity to Trichuris muris was studied in CD4+ or CD8+ or both CD4+ and CD8+ T cell-depleted BALB/c mice. To assess in vivo depletion of T-cell subsets, CD4+ and CD8+ T cells in the Peyer's patches, the mesenteric lymph nodes (MLN), and the spleens of mice treated with ...

journal_title：Parasite immunology

authors： Koyama K,Tamauchi H,Ito Y

更新日期：1995-03-01 00:00:00

abstract：:The effect of the humoral immune response on the weight and fecundity of the hookworm Necator americanus was examined in an endemically-infected human population. There was a highly significant negative correlation between total IgE levels and parasite weight and fecundity, after controlling for any effects of host ag...

journal_title：Parasite immunology

authors： Pritchard DI,Quinnell RJ,Walsh EA

更新日期：1995-02-01 00:00:00

abstract：:Immune responses of 97 Gambian women and their neonates were studied. New methods distinguished between active and previous placental malaria, were used to examine relationships between maternal malaria and neonatal immune responses. Many placentas (61%) had active or previous malarial infection. Maternal and cord mal...

journal_title：Parasite immunology

authors： Rasheed FN,Bulmer JN,De Francisco A,Jawla MF,Jakobsen PH,Jepson A,Greenwood BM

更新日期：1995-01-01 00:00:00

abstract：:An indirect enzyme linked immunsorbent assay (ELISA) for detection of antibodies to Neospora caninum in serum from dogs is described. Extracted tachyzoite proteins incorporated into immunostimulating complexes (iscoms) were used as coating antigen. A mixture of a monoclonal antibody to dog immunoglobulin G and a horse...

journal_title：Parasite immunology

authors： Björkman C,Lundén A,Holmdahl J,Barber J,Trees AJ,Uggla A

更新日期：1994-12-01 00:00:00

abstract：:We have studied the properties of 16 newly derived monoclonal antibodies (MoAbs) against Pfs230, a gamete surface protein of Plasmodium falciparum and a target of transmission-blocking antibodies. All 16 MoAbs recognized Pfs230 by immunoprecipitation from non-ionic detergent extracts of the protein radio-labelled with...

journal_title：Parasite immunology

authors： Read D,Lensen AH,Begarnie S,Haley S,Raza A,Carter R

更新日期：1994-10-01 00:00:00

abstract：:We assayed the vaccine potentialities of a recombinant S. bovis-derived glutathione S-transferase (rSb28GST), member of a molecular family already shown to have protective capacities in the S. mansoni and S. japonicum models. Injection of the rSb28GST in Freund's Complete Adjuvant resulted in good specific IgG respons...

journal_title：Parasite immunology

authors： Boulanger D,Trottein F,Mauny F,Bremond P,Couret D,Pierce RJ,Kadri S,Godin C,Sellin E,Lecocq JP

更新日期：1994-08-01 00:00:00

abstract：:Fasciola hepatica secretes a cathepsin L proteinase that is suggested to play an in vivo role in immunoprotection since the enzyme can cleave host immunoglobulin. In the present report, rabbit anti-cathepsin L IgG was shown to bind to the cathepsin L enzyme and inhibit its ability to cleave IgG molecules. Cathepsin L ...

journal_title：Parasite immunology

authors： Smith AM,Carmona C,Dowd AJ,McGonigle S,Acosta D,Dalton JP

更新日期：1994-06-01 00:00:00

abstract：:The role of autoimmunity in the pathogenesis and progression of heart lesions in the chronic phase of Chagas' disease is controversial. In the absence of parasites in situ, the T cell infiltrate seen in heart lesions may be the primary determinant of tissue damage ultimately leading to heart failure and death. We used...

journal_title：Parasite immunology

authors： Cunha-Neto E,Moliterno R,Coelho V,Guilherme L,Bocchi E,Higuchi Mde L,Stolf N,Pileggi F,Steinman L,Kalil J

更新日期：1994-04-01 00:00:00

abstract：:The prostaglandins (PG) are known to regulate immune cell function(s) and participate in the progression of both acute and chronic inflammatory reactions. Using an in vitro model of Schistosoma mansoni egg-induced hypersensitivity granulomas, we have delineated the role of immune complexes (IC) in the induction and re...

journal_title：Parasite immunology

authors： Goes AM,Rezende SA,Gazzinelli G,Doughty BL

更新日期：1994-01-01 00:00:00

abstract：:Soluble extracts from salivarian trypanosomes (Trypanosoma brucei brucei, T. evansi and T. congolense) were shown to be capable of inducing murine tumour necrosis factor (mTNF) secretion, both in vivo and in vitro, whereas the soluble extract of an intracellular trypanosome (T. cruzi) failed to do so. Furthermore, the...

journal_title：Parasite immunology

authors： Magez S,Lucas R,Darji A,Songa EB,Hamers R,De Baetselier P

更新日期：1993-11-01 00:00:00

abstract：:Inhibitory monoclonal antibody (MoAb) 8E7/55 recognizes a parasitophorous vacuole membrane (PVM) antigen in Plasmodium falciparum. Previous studies have identified the epitope, DNNLVSGP, recognized by the MoAb. A synthetic peptide containing this sequence was synthesized and coupled to diphtheria toxoid (DT) and was f...

journal_title：Parasite immunology

authors： Lord R,Jones GL,Spencer L,Saul A

更新日期：1993-11-01 00:00:00

abstract：:A model for the in vitro infection of ovine cells with Toxoplasma gondii tachyzoites has been developed and used to investigate the effect of treatment with ovine recombinant interferon-gamma (ov.rIFN gamma) on parasite replication. Treatment of both alveolar macrophages and fibroblast cells either 24 h pre-infection ...

journal_title：Parasite immunology

authors： Oura CA,Innes EA,Wastling JM,Entrican G,Panton WR

更新日期：1993-09-01 00:00:00

abstract：:Type I hypersensitivity reactions in the intestinal tract of sensitized animals may contribute to resistance to reinfection with Fasciola hepatica. Colonic mucosae isolated from previously infected rats were voltage clamped in Ussing chambers. Antigen was prepared as a crude homogenate from adult liver fluke. Assay of...

journal_title：Parasite immunology

authors： O'Malley KE,Sloan T,Joyce P,Baird AW

更新日期：1993-08-01 00:00:00

abstract：:The p190 protein (also called MSA1 or MSP1) of the asexual blood stage forms of Plasmodium falciparum, a human malaria vaccine candidate, shows polymorphism between different isolates. Mice were immunized with p190-3, a recombinant protein which contains mostly conserved sequences derived from the p190 protein of the ...

journal_title：Parasite immunology

authors： Süss G,Matile H,Meloen RH,Takacs B,Pink JR

更新日期：1993-03-01 00:00:00

abstract：:In vitro released products of the adult stage of the bovine lungworm. Dictyocaulus viviparus, were characterized according to their SDS-PAGE profile, glycosylation pattern, in vitro synthesis and antigenicity in the context of infection and vaccination with irradiated larvae. Biosynthetic labelling experiments with 35...

journal_title：Parasite immunology

authors： Britton C,Canto GJ,Urquhart GM,Kennedy MW

更新日期：1993-03-01 00:00:00

abstract：:Human recombinant tumour necrosis factor (rTNF) enhanced monoclonal IgE-dependent eosinophil-mediated cytotoxicity to schistosomula of Schistosoma japonicum in a dose-dependent manner. The enhancing effect of rTNF was also observed for the antibody-dependent cytotoxicity of a human eosinophilic leukemia cell line, EoL...

journal_title：Parasite immunology

authors： Janecharut T,Hata H,Takahashi H,Yoshida S,Saito H,Kojima S

更新日期：1992-11-01 00:00:00

abstract：:UV-irradiated and gamma-irradiated schistosomula of Schistosoma mansoni induce high levels of resistance to challenge infection in experimental hosts. It was observed that both types of irradiation severely inhibited protein synthesis by the parasite larvae. Schistosomula were treated with the metabolic inhibitor acti...

journal_title：Parasite immunology

authors： Wales A,Kusel JR,Jones JT

更新日期：1992-09-01 00:00:00

abstract：:The immunological basis of resistance to Brugia pahangi infection in rats was studied. Infections were investigated in athymic rnu/rnu rats and in rats treated with the immuno-suppressive agents cyclosporin A (CsA) or cyclophosphamide (Cy). The recovery of adult worms in normal rats was 1-2% in comparison to 12.2% rec...

journal_title：Parasite immunology

authors： Lawrence R,Denham DA

更新日期：1992-07-01 00:00:00

abstract：:A limiting dilution microculture system was optimized to quantify the frequency of Theileria parva-specific cytotoxic T lymphocyte precursors (CTLp) in peripheral blood mononuclear cells (PBMC) from immune cattle. Optimal results were obtained with responder cell input levels ranging from 2 x 10(4)/well to 6.25 x 10(2...

journal_title：Parasite immunology

authors： Taracha EL,Goddeeris BM,Scott JR,Morrison WI

更新日期：1992-03-01 00:00:00

abstract：:Golden hamsters (Mesocricetus auratus) infected with Leishmania donovani develop a disease similar to human kala-azar. There is conspicuous hypergammaglobulinaemia and their T cells do not respond to stimulation by parasite antigens. The impairment of the cellular immune response seems to be restricted to parasite ant...

journal_title：Parasite immunology

authors： Rodrigues Júnior V,Da Silva JS,Campos-Neto A

更新日期：1992-01-01 00:00:00

abstract：:Athymic nude mice of the outbred Zur:ICR-nu and inbred BALB/c strain and scid mice were infected with a cloned human isolate of Giardia lamblia (GS/M-83-H7). Changes in the expression of the major surface epitope of the intestinal trophozoites (characterized by the binding capacity of monoclonal antibody MoAbG10/4) as...

journal_title：Parasite immunology

authors： Gottstein B,Nash TE

更新日期：1991-11-01 00:00:00