Glycans with N-acetyllactosamine type 2-like residues covering adult Schistosoma mansoni, and glycomimesis as a putative mechanism of immune evasion.

abstract：:Chagas disease chemotherapy is based on drugs that exhibit toxic effects and have limited efficacy, such as Benznidazole. Therefore, research into new chemotherapeutic agents from natural sources needs to be exploited. Apis mellifera venom consists of many biologically active molecules and has been reported to exhibit...

journal_title：Parasitology

authors： Adade CM,Chagas GS,Souto-Padrón T

更新日期：2012-09-01 00:00:00

abstract：:The transmission from one host to another constitutes a challenging obstacle for parasites and is a key determinant of their fitness. Due to their complex life histories involving several different hosts, the free-living dispersal stages (cercariae) of digenean trematodes show a huge diversity in morphology and behavi...

journal_title：Parasitology

authors： Selbach C,Poulin R

更新日期：2018-09-01 00:00:00

abstract：:The effects of dietary urea supplementation and of a 10-week trickle infection regime, simulating chronic exposure to Haemonchus contortus, on the zymogenic population of the abomasa of Hampshire Down lambs was examined. At necropsy a variety of parameters including plasma pepsinogen concentration, the wet weights of ...

journal_title：Parasitology

authors： Scott I,Stear MJ,Irvine J,Dick A,Wallace DS,McKellar QA

更新日期：1998-06-01 00:00:00

abstract：:Infection of breeding hens with Eimeria maxima induces production of Eimeria-specific IgG antibodies which are transferred to hatchlings via the egg yolk and confer a high degree of maternal immunity against homologous challenge and partial immunity to infection with another important species, Eimeria tenella. As an e...

journal_title：Parasitology

authors： Smith NC,Wallach M,Petracca M,Braun R,Eckert J

更新日期：1994-12-01 00:00:00

abstract：:The abundance of Profilicollis botulus was monitored in eider ducks for 3 years. No significant difference in P. botulus abundance was found between eiders taken alive and those collected dead from the shore line, or between adult males and adult females. Adult male eiders had a seasonal pattern of infection. Incubati...

journal_title：Parasitology

authors： Thompson AB

更新日期：1985-12-01 00:00:00

abstract：:Levamisole (Lms) is an anthelminthic drug with immunomodulatory activity. Chagas disease (CD) is caused by Trypanosoma cruzi and there is very low access to the drugs available, benznidazole (Bz) and nifurtimox, both far from ideal. In a drug-repurposing strategy to test potential activity as antiparasitic and immunom...

journal_title：Parasitology

authors： Rocha Simões-Silva M,Brandão Peres R,Britto C,Machado Cascabulho C,de Melo Oliveira G,Nefertiti da Gama A,França da Silva C,Lima da Costa K,Finamore Araújo P,Diego de Souza Campos J,Meuser Batista M,Cristina Demarque K,da Cruz Mo

更新日期：2019-07-01 00:00:00

abstract：:Chagas infection is a major endemic disease affecting Latin American countries. The persistence of Trypanosoma cruzi generates a chronic inflammatory reactivity that induces an immune response directed to the host's tissues. The effectiveness of the treatment in the chronic phase is still unsatisfactory due, amongst o...

journal_title：Parasitology

authors： Fauro R,Lo Presti S,Bazan C,Baez A,Strauss M,Triquell F,Cremonezzi D,Negrete OS,Willhuber GC,Paglini-Oliva P,Rivarola HW

更新日期：2013-06-01 00:00:00

abstract：:In South America, visceral leishmaniasis is frequently caused by Leishmania infantum and, at an unknown frequency, by Leishmania amazonensis. Therefore, mixed infections with these organisms are possible. Mixed infections might affect the clinical course, immune response, diagnosis, treatment and epidemiology of the d...

journal_title：Parasitology

authors： DE Lima Celeste JL,Venuto Moura AP,França-Silva JC,Matos DE Sousa G,Oliveira Silva S,Norma Melo M,Luiz Tafuri W,Carvalho Souza C,Monteiro DE Andrade H

更新日期：2017-08-01 00:00:00

abstract：:Judged by oocyst production, infections with Eimeria acervulina in birds immunized with E. maxima were consistently higher than in birds which had not been immunized. Oocyst production of E. maxima in birds previously infected with E. acervulina was greater, in three out of four experiments, than in control chickens,...

journal_title：Parasitology

authors： Rose ME

更新日期：1975-04-01 00:00:00

abstract：:The anthelmintic properties of tanniferous plants and of their secondary metabolites represent one possible alternative to chemotherapy that is currently being explored as a means of achieving sustainable control of gastrointestinal nematodes in ruminants. Previous in vivo and in vitro results suggest that tanniferous...

journal_title：Parasitology

authors： Bahuaud D,Martinez-Ortiz de Montellano C,Chauveau S,Prevot F,Torres-Acosta F,Fouraste I,Hoste H

更新日期：2006-04-01 00:00:00

abstract：:A cDNA encoding a beta-galactoside-binding lectin (galectin) was identified by immunoscreening a Haemonchus contortus cDNA library with antisera from lambs vaccinated with a membrane protein complex (H-gal-GP) derived from the parasites' gut. The cDNA sequence, exhibiting a tandem repeat structure and designated Hco-g...

journal_title：Parasitology

authors： Newlands GF,Skuce PJ,Knox DP,Smith SK,Smith WD

更新日期：1999-11-01 00:00:00

abstract：:Invasive parasites can spill over to new hosts in invaded ecosystems with often unpredictable trophic relationships in the newly arising parasite-host interactions. In European seas, the intestinal copepod Mytilicola orientalis was co-introduced with Pacific oysters (Magallana gigas) and spilled over to native blue mu...

journal_title：Parasitology

authors： Goedknegt MA,Shoesmith D,Jung AS,Luttikhuizen PC,van der Meer J,Philippart CJM,van der Veer HW,Thieltges DW

更新日期：2018-05-01 00:00:00

abstract：:In the context of a broader program dealing with the symbiotic associations of apple snails, we sampled three species that coexist in Lake Regatas (Palermo, Buenos Aires, Argentina). The population of Asolene platae, (but not those of Pomacea canaliculata and Pomacea scalaris) showed trematode larvae (echinocercariae ...

journal_title：Parasitology

authors： Dellagnola FA,Montes MM,Martorelli SR,Vega IA

更新日期：2019-06-01 00:00:00

abstract：:Passive transfer experiments showed that 76% of the resistance induced in CBA/Ca mice by exposure to radiation-attenuated cercariae of Schistosoma mansoni could be transferred to naive recipients by administration of donor serum. The level of protection achieved depended on the volume of serum administered and immunit...

journal_title：Parasitology

authors： McLaren DJ,Smithers SR

更新日期：1988-10-01 00:00:00

abstract：:Many zoonotic disease agents are transmitted between hosts by arthropod vectors, including fleas, but few empirical studies of host-vector-microparasite dynamics have investigated the relative importance of hosts and vectors. This study investigates the dynamics of 4 closely related Bartonella species and their flea v...

journal_title：Parasitology

authors： Telfer S,Begon M,Bennett M,Bown KJ,Burthe S,Lambin X,Telford G,Birtles R

更新日期：2007-03-01 00:00:00

abstract：:Humans and other hosts acquire Toxoplasma gondii infection by ingesting tissue cysts in undercooked meat, or by food or drink contaminated with oocysts. Currently, there is no vaccine to prevent clinical disease due this parasite in humans, although, various T. gondii vaccine candidates are being developed. Mice are g...

journal_title：Parasitology

authors： Dubey JP,Ferreira LR,Martins J,McLeod R

更新日期：2012-01-01 00:00:00

abstract：:Neurological involvement following trypanosome infection has been recognised for over a century. However, there are still many unanswered questions concerning the mechanisms used by the parasite to gain entry to the CNS and the pathogenesis of the resulting neuroinflammatory reaction. There is a paucity of material fr...

journal_title：Parasitology

authors： Rodgers J

更新日期：2010-12-01 00:00:00

abstract：:The effect of different incubation media and of temperature on the induction of water sensitivity has been investigated in intact and tailless Schistosoma mansoni cercariae. Removal of the cercarial tail by vortex stirring and elevation of the temperature of the medium from 27 to 37 degrees C resulted in the rapid ons...

journal_title：Parasitology

authors： Ramalho-Pinto FJ,Gazzinelli G,Howells RE,Pellegrino J

更新日期：1975-08-01 00:00:00

abstract：:Tubulin is the predominant phosphoprotein in Trypanosoma cruzi epimastigotes and is phosphorylated by a protein kinase CK2. Interestingly, the presence or absence of divalent cations affected the solubilization of a pool of the parasite tubulin and the CK2 responsible for its phosphorylation. This fraction of tubulin ...

journal_title：Parasitology

authors： De Lima AR,Medina R,Uzcanga GL,Noris Suárez K,Contreras VT,Navarro MC,Arteaga R,Bubis J

更新日期：2006-04-01 00:00:00

abstract：:Unsporulated oocysts were recovered from the allantoic cavity of 5 chicken embryos inoculated with a single sporozoite of Eimeria tenella; some of these oocysts sporulated. Both macrogametes and microgametes are required for the formation of viable oocysts. The results conclusively demonstrate the bisexual nature of t...

journal_title：Parasitology

authors： Shirley MW,Millard BJ

更新日期：1976-12-01 00:00:00

abstract：:Monoclonal antibodies reacting with pellicular antigens of Toxoplasma gondii tachyzoites have been selected among hybridomas produced against this organism by immunofluorescence assay. These antigens have been further characterized by immunofluorescence on living zoites, Western immunoblotting and immunoprecipitation ...

journal_title：Parasitology

authors： Couvreur G,Sadak A,Fortier B,Dubremetz JF

更新日期：1988-08-01 00:00:00

abstract：:Genome assemblies can form the basis of comparative analyses fostering insight into the evolutionary genetics of a parasite's pathogenicity, host-pathogen interactions, environmental constraints and invasion biology; however, the length and complexity of many parasite genomes has hampered the development of well-resol...

journal_title：Parasitology

authors： Thompson PC,Zarlenga DS,Liu MY,Rosenthal BM

更新日期：2017-09-01 00:00:00

abstract：:Common bird species were screened during May and June 2007 on Barbados for haemosporidian parasites (Haemosporida) of the genera Haemoproteus and Plasmodium to determine whether the low parasite diversity reported in previous studies might have reflected limited sampling. PCR screening and DNA sequencing revealed a si...

journal_title：Parasitology

authors： Maria L,Svensson E,Ricklefs RE

更新日期：2009-09-01 00:00:00

abstract：:Antibodies against variable antigens expressed on the surface of Plasmodium falciparum-infected erythrocytes are believed to be important for protection against malaria. A target for these antibodies is the P. falciparum erythrocyte membrane protein 1, PfEMP1, which is encoded by around 50 var genes and undergoes clon...

journal_title：Parasitology

authors： Giha HA,Staalsoe T,Dodoo D,Elhassan IM,Roper C,Satti GM,Arnot DE,Hviid L,Theander TG

更新日期：1999-07-01 00:00:00

abstract：:The 'Muguga cocktail' live vaccine, delivered by an infection and treatment protocol, has been widely deployed in Eastern, Central and Southern Africa to protect cattle against East Coast fever, caused by Theileria parva. The vaccine contains 3 component stocks (Muguga, Serengeti-transformed and Kiambu 5). In a previo...

journal_title：Parasitology

authors： Oura CA,Bishop R,Asiimwe BB,Spooner P,Lubega GW,Tait A

更新日期：2007-08-01 00:00:00

abstract：:Susceptibility to oxidative stress is a well-established feature of the malarial parasite. Pharmacologists have taken advantage of this property to design highly effective pro-oxidant antimalarial drugs. Less well appreciated is the fact that nutritional manipulation of host oxidative stress status by dietary means ca...

journal_title：Parasitology

authors： Levander OA,Ager AL Jr

更新日期：1993-01-01 00:00:00

abstract：:Neospora caninum is an Apicomplexan protozoan that has the dog as a definitive host and cattle (among other animals) as intermediate hosts. It causes encephalopathy in dogs and abortion in cows, with significant loss in worldwide livestock. As any Apicomplexan, the parasite invades the cells using proteins contained i...

journal_title：Parasitology

authors： Pereira LM,Candido-Silva JA,De Vries E,Yatsuda AP

更新日期：2011-03-01 00:00:00

abstract：:Exponential decay in community similarity as a function of distance is a ubiquitous phenomenon in biogeography. Thus, for parasite communities, pairwise similarity decreases with increasing geographical distance between host populations. This biogeographical rule should also apply along other dimensions characterizing...

journal_title：Parasitology

authors： Poulin R

更新日期：2010-04-01 00:00:00

abstract：:An electron microscopical examination has been made of the fine structure and disposition of pancreatic polypeptide immunoreactive cells associated with the egg-forming apparatus in Diclidophora merlangi. The cell bodies are positioned in the parenchyma surrounding the ootype and taper to axon-like processes that exte...

journal_title：Parasitology

authors： Halton DW,Brennan GP,Maule AG,Shaw C,Johnston CF,Fairweather I

更新日期：1991-06-01 00:00:00

abstract：:The gastrointestinal nematode Heligmosomoides polygyrus bakeri shows enhanced survival in mice with colitis. As the antibody response plays an important role in antiparasitic immunity, antibodies against male and female L4 H. polygyrus were examined in mice with and without colitis. Levels of specific antibodies in th...

journal_title：Parasitology

authors： Maruszewska-Cheruiyot M,Donskow-Łysoniewska K,Krawczak K,Szewczak L,Joachimiak E,Doligalska M

更新日期：2020-11-01 00:00:00