Emerging technologies and their applications in interactions between nutrition and immunity to gastrointestinal parasites in sheep.

abstract：:Malaria remains one of the most serious health problems globally, but our understanding of the biology of the parasite and the pathogenesis of severe disease is still limited. Multiple cellular effector mechanisms that mediate parasite elimination from the liver have been described, but how effector cells use classica...

journal_title：Parasite immunology

authors： Frevert U,Nacer A

更新日期：2013-09-01 00:00:00

abstract：:Chagas' disease or American trypanosomiasis due to Trypanosoma cruzi has existed at least since the time of the Inca empire and contributes significantly to cardiovascular morbidity and mortality in several countries of this continent. Due to the fundamental role of human class II molecules polymorphic residues in the...

journal_title：Parasite immunology

authors： Fernandez-Mestre MT,Layrisse Z,Montagnani S,Acquatella H,Catalioti F,Matos M,Balbas O,Makhatadze N,Dominguez E,Herrera F,Madrigal A

更新日期：1998-04-01 00:00:00

abstract：:Advances in hookworm immunoepidemiology are reviewed. Recent studies demonstrate a mixed Th1/Th2 response in human hookworm infection, with immunosuppression of specific and nonspecific IFN-gamma responses. There is increasing evidence for protective immunity in human hookworm infection, including anti-larval IL-5- an...

journal_title：Parasite immunology

authors： Quinnell RJ,Bethony J,Pritchard DI

更新日期：2004-11-01 00:00:00

abstract：:Plasmodium falciparum-specific antibodies tend to be short-lived, but their cognate memory B cells (MBCs) circulate in the peripheral blood of exposed subjects for several months or years after the last infection. However, the time course of antigen-specific antibodies and B-cell responses to the relatively neglected ...

journal_title：Parasite immunology

authors： Soares RR,Cunha CF,Ferraz-Nogueira R,Marins-Dos-Santos A,Rodrigues-da-Silva RN,da Silva Soares I,da Costa Lima-Junior J,Bertho AL,Ferreira MU,Scopel KKG

更新日期：2019-09-01 00:00:00

abstract：:Ascariasis is the most frequent soil transmitted helminthiasis and, as well as other helminth infections, is expected to influence the clinical presentation of allergic diseases such as asthma. Indeed, several clinical and experimental works have shown an important impact either increasing or suppressing symptoms, and...

journal_title：Parasite immunology

authors： Caraballo L,Acevedo N,Zakzuk J

更新日期：2019-06-01 00:00:00

abstract：:Malaria parasites have a complex, multistage life cycle and there is a widely held view that each stage displays a distinct set of antigens presented to the immune system. Yet, molecular analysis of malaria parasites suggests that many putative antigenic targets are shared amongst the different stages. The specificiti...

journal_title：Parasite immunology

authors： Müller K,Gibbins MP,Matuschewski K,Hafalla JCR

更新日期：2017-07-01 00:00:00

abstract：:The Bacillus thuringiensis Cry1Ac protoxin (pCry1Ac) is a promising mucosal immunogen and adjuvant that induces protective immunity against Naegleria fowleri and malaria infection models. We determined whether pCry1Ac acted as a protective adjuvant against infection with Taenia crassiceps. BALB/C mice were thrice i.p....

journal_title：Parasite immunology

authors： Ibarra-Moreno S,García-Hernández AL,Moreno-Fierros L

更新日期：2014-06-01 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：:Translationally controlled tumour protein (TCTP) may play an important role in the establishment or maintenance of parasitemia in a malarial infection. In this study, the potential of TCTP as a malaria vaccine was investigated in two trials. In the initial vaccine trial, Plasmodium falciparum TCTP (PfTCTP) was express...

journal_title：Parasite immunology

authors： Taylor KJ,Van TT,MacDonald SM,Meshnick SR,Fernley RT,Macreadie IG,Smooker PM

更新日期：2015-01-01 00:00:00

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：:A protein-lipopolysaccharide complex has previously been postulated as necessary to protect susceptible mice against Salmonella typhimurium infection. Lipopolysaccharide attached to non-specific proteins, bovine serum albumin or methylated BSA, gave a specific delayed-type hypersensitivity (DTH) reaction when injected...

journal_title：Parasite immunology

authors： Plant JE,Wilson BM,Glynn AA

更新日期：1982-07-01 00:00:00

abstract：:Parasitic nematodes of the small-ruminant gastrointestinal tract pose a problem worldwide. The impact of these pathogens is worsened by the emergence of anthelmintic resistance to all three available classes of drugs. In addition to causing considerable economic loss, these parasites are detrimental to the health and ...

journal_title：Parasite immunology

authors： McNeilly TN,Devaney E,Matthews JB

更新日期：2009-07-01 00:00:00

abstract：:Sheep were sensitized by weekly infections with Teladorsagia circumcincta over a 9-week period. After a 12-week rest, sheep were divided into four groups and killed without challenge or 3, 5 and 10 days post challenge (DPC) with 50000 L3. Recovery of challenge larvae from abomasal scrapings was highest at 3 DPC while ...

journal_title：Parasite immunology

authors： Balic A,Bowles VM,Liu YS,Meeusen EN

更新日期：2003-07-01 00:00:00

abstract：AIMS:Merozoite surface protein 8 (MSP-8) of Plasmodium parasites plays an important role in erythrocyte invasion and is a potential malaria vaccine candidate. METHODS AND RESULTS:In this study, virus-like particles (VLPs) expressing MSP-8 of Plasmodium berghei on the surface of influenza virus matrix protein 1 (M1) co...

journal_title：Parasite immunology

authors： Lee SH,Chu KB,Kang HJ,Basak S,Kim MJ,Park H,Jin H,Moon EK,Quan FS

更新日期：2020-11-01 00:00:00

abstract：:Seven mixed-breed dogs were challenged with either promastigotes or amastigotes of Leishmania donovani infantum strains recently isolated from naturally infected dogs. Different routes and numbers of parasites were utilized and each dog was monitored for at least 1 year post-infection. Anti-parasite specific antibody ...

journal_title：Parasite immunology

authors： Abranches P,Santos-Gomes G,Rachamim N,Campino L,Schnur LF,Jaffe CL

更新日期：1991-09-01 00:00:00

abstract：:This study examines several aspects of a polymorphic, immunodominant molecule (PIM) found in the protozoan parasite, Theileria parva. The antigen is present in all T.p. parva stocks examined, and in the related subspecies, T.p.bovis and T.p.lawrencei. It is the predominant antigen recognized by antisera from immune ca...

journal_title：Parasite immunology

authors： Toye PG,Goddeeris BM,Iams K,Musoke AJ,Morrison WI

更新日期：1991-01-01 00:00:00

abstract：:Activation of macrophages is a key step in the initiation of immune responses, but the transcriptional mechanisms governing macrophage activation during infection are not fully understood. It was recently shown that the AP-1 family transcription factor JUNB positively regulates macrophage activation in response to Tol...

journal_title：Parasite immunology

authors： Fontana MF,Baccarella A,Kellar D,Oniskey TK,Terinate P,Rosenberg SD,Huang EJ,Herbert DR,Kim CC

更新日期：2015-09-01 00:00:00

abstract：:Recent advances in molecular genetics and in imaging mean that it is now increasingly feasible to image biological processes within helminth parasites and to visualize interactions between worms and their hosts. Moreover, other innovative imaging approaches that are not dependent on transgenic parasites have been appl...

journal_title：Parasite immunology

authors： Pearce EJ,Lok JB

更新日期：2013-09-01 00:00:00

abstract：:Cutaneous leishmaniasis, caused by the parasite Leishmania major, results in lesions at the site of infection, which are self-healing in resistant hosts. However, in the absence of the chemokine receptor CCR7, mice are unable to heal the lesion and develop chronic disease. These B6.CCR7(-/-) mice display an increased ...

journal_title：Parasite immunology

authors： Kling JC,Darby J,Körner H

更新日期：2014-04-01 00:00:00

abstract：:E6020 is a synthetic agonist of Toll-like receptor-4 (TLR4). The purpose of this study was to evaluate the effect of different doses of E6020-SE on Trypanosoma cruzi-specific immune responses and its ability to confer protection against acute lethal infection in mice. Forty female BALB/c were infected with 500 trypoma...

journal_title：Parasite immunology

authors： Villanueva-Lizama LE,Cruz-Chan JV,Versteeg L,Teh-Poot CF,Hoffman K,Kendricks A,Keegan B,Pollet J,Gusovsky F,Hotez PJ,Bottazzi ME,Jones KM

更新日期：2020-10-01 00:00:00

abstract：:CD4(+) T cells play a critical role in determining the disease outcome in murine cutaneous leishmaniasis, and selective usage of T-cell receptor (TCR) is implied in promoting Leishmania major infection. However, little information is available on TCR usage in Leishmania-specific, IFN-γ-producing CD4(+) T cells. In thi...

journal_title：Parasite immunology

authors： Xin L,Wanderley JL,Wang Y,Vargas-Inchaustegui DA,Soong L

更新日期：2011-03-01 00:00:00

abstract：:The protective effect of specific vaccination against Plasmodium berghei (P. berghei) was compared in terms of survival percentage in DBA/2, C3H, outbred albino mice and in two lines of mice produced by selective breeding for either high or low antibody responsiveness to sheep erythrocyte (H and L lines respectively)....

journal_title：Parasite immunology

authors： Heumann AM,Bucci A,Stiffel C,Casaglia O,Zenobi P,Biozzi G

更新日期：1983-03-01 00:00:00

abstract：:Humoral immunity develops in the spleen during blood-stage Plasmodium infection. This elicits parasite-specific IgM and IgG, which control parasites and protect against malaria. Studies in mice have elucidated cells and molecules driving humoral immunity to Plasmodium, including CD4+ T cells, B cells, interleukin (IL)...

journal_title：Parasite immunology

authors： Sebina I,Fogg LG,James KR,Soon MSF,Akter J,Thomas BS,Hill GR,Engwerda CR,Haque A

更新日期：2017-10-01 00:00:00

abstract：:Leishmania enter macrophages through receptor-mediated phagocytosis and survive the harsh environment of a phagolysosome. Here, we investigated the interaction between mannose receptor (MR), Toll-like receptor 2 (TLR2), and Leishmania, and the subsequent impact on phagosome maturation. Leishmania parasites are able to...

journal_title：Parasite immunology

authors： Polando RE,Jones BC,Ricardo C,Whitcomb J,Ballhorn W,McDowell MA

更新日期：2018-04-01 00:00:00

abstract：:Antigen specific and concanavalin A (Con A)-induced lymphocyte blastogenesis responses were monitored in the spleens of rats infected with Plasmodium berghei. Con A responses were depressed only at the time of peak parasitaemia. The antigen specific blastogenesis response was either not in evidence, or at a low level ...

journal_title：Parasite immunology

authors： Raybourne R,Desowitz RS,Sanghirun C

更新日期：1984-09-01 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：:Analysis by one-dimensional (1-D) SDS-PAGE/Western blotting of whole mite extract (larval and adult stages) with sheep sera taken 0-84 days after infection with the sheep scab mite, Psoroptes ovis revealed a progressive IgE antibody response, with a dominant high molecular weight allergen (MW 180 kDa) detected early d...

journal_title：Parasite immunology

authors： Huntley JF,Machell J,Nisbet AJ,Van den Broek A,Chua KY,Cheong N,Hales BJ,Thomas WR

更新日期：2004-08-01 00:00:00

abstract：:Attempts to produce monoclonal antibodies specific for a parasite-encoded or induced antigen on the surface of Theileria parva lawrencei-transformed bovine lymphocytes resulted in the identification of the monoclonal antibody J7. This antibody recognizes a membrane glycoprotein on some T.p. lawrencei-infected bovine l...

journal_title：Parasite immunology

authors： Newson J,Naessens J,Stagg DA,Black SJ

更新日期：1986-03-01 00:00:00

abstract：:Levels of intestinal mast cell protease (IMCP) were quantified in serum, gut tissue and in intestinal fluids taken from mice infected with Trichinella spiralis during primary and secondary infections. The ability to generate a mast cell response was dependent on the response phenotype of the mouse strain used. The mas...

journal_title：Parasite immunology

authors： Tuohy M,Lammas DA,Wakelin D,Huntley JF,Newlands GF,Miller HR

更新日期：1990-11-01 00:00:00

abstract：:T-cell-deprived CBA mice were given thymus graft implants during the course of an infection with Trypanosoma musculi and at a time when the parasitaemia was high. As a consequence of the grafts, most of the mice survived the infection whereas control ungrafted mice died. In grafted animals there was generally a period...

journal_title：Parasite immunology

authors： Targett GA,Leuchars E,Davies AJ,Viens P

更新日期：1981-01-01 00:00:00