The effects of interleukin (IL)-12 and IL-4 deficiency on worm development and granuloma formation in Schistosoma japonicum-infected mice.

abstract：:Spermiogenesis of the monozoic cestode Khawia armeniaca (Cholodkovski, 1915), a parasite of Capoeta capoeta sevangi (De Filippi, 1865) (Pisces: Cyprinidae), has been investigated by means of transmission electron microscopy for the first time. The present results show that the type of spermiogenesis in K. armeniaca sh...

journal_title：Parasitology research

authors： Brunanská M,Poddubnaya LG

更新日期：2006-09-01 00:00:00

abstract：:An overall 44% transplacental transmission rate was observed in 221 rats fed cysts of 12 Toxoplasma strains at 15 days of pregnancy, with a range of 0-90% transmission. Considerable variability in the transmission rate was seen among different groups of rats that received similar Toxoplasma inocula; this is attributed...

journal_title：Parasitology research

authors： Freyre A,Correa O,Falcón J,Mendez J,González M,Venzal JM

更新日期：2001-11-01 00:00:00

abstract：:Cysticercoids as well as 6-, 10-, and 14-day Hymenolepis diminuta were evaluated in terms of enzymatic activities related to phosphoenolpyruvate (PEP) utilization and mitochondrial succinate accumulation. The data obtained support a transition toward anaerobic electron-transport-dependent succinate accumulation, chara...

journal_title：Parasitology research

authors： Fioravanti CF,Walker DJ,Sandhu PS

更新日期：1998-10-01 00:00:00

abstract：:Following the emergence of Schmallenberg virus (SBV) in 2011, 21,397 culicoid biting midges (Diptera: Ceratopogonidae) from targeted and non-targeted sampling activities carried out during the summer months of 2011 to 2013 and in late 2014 in various regions in Germany were analyzed for the virus by real-time RT-PCR. ...

journal_title：Parasitology research

authors： Kameke D,Werner D,Hoffmann B,Lutz W,Kampen H

更新日期：2016-02-01 00:00:00

abstract：:The var-gene encoding Plasmodium falciparum erythrocyte membrane protein 1 (PfEMP1) is known to play a major role in the pathogenicity of the P. falciparum parasite. The protein enables the parasite to adhere to the endothelial linings of small blood vessels (cytoadherence) as well as to non-infected erythrocytes (ros...

journal_title：Parasitology research

authors： Barfod A,Persson T,Lindh J

更新日期：2009-11-01 00:00:00

abstract：:The neuromuscular system (NMS) in cercariae of Neoastiotrema trituri, Plagiorchis elegans, Omphalometra flexuosa, Skrjabinoeces similis and Prosthogonimus ovatus was studied with immunocytochemical methods and confocal scanning laser microscopy. The patterns of F-actin in the musculature, 5-HT immunoreactive (IR), FMR...

journal_title：Parasitology research

authors： Tolstenkov OO,Akimova LN,Terenina NB,Gustafsson MK

更新日期：2012-11-01 00:00:00

abstract：:Maturation of trematode larval stages is expected to be temporally and spatially adapted to maximise the encounter with the adequate downstream host, i.e. the host, which will be infected by this parasite stage. Since studies on intramolluscan parasite maturation are scarce but important in the context of parasite tra...

journal_title：Parasitology research

authors： Born-Torrijos A,Raga JA,Holzer AS

更新日期：2016-02-01 00:00:00

abstract：:Two thousand four hundred fifty-eight fish comprised of 53 species were captured in the Danjiangkou Reservoir, in the northwestern part of Hubei Province, central China during 2004, to examine Camallanus cotti infections. We found that 19 cypriniform, 3 siluriforme, and 4 perciforme fishes were infected by the nematod...

journal_title：Parasitology research

authors： Wu S,Wang G,Gao D,Xi B,Yao W,Liu M

更新日期：2007-07-01 00:00:00

abstract：:Little is known of the prevalence and genetic identity of Giardia duodenalis in sheep in Algeria. The present study aimed at characterizing G. duodenalis in lambs up to 6 months of age in Djelfa, Algeria. A total of 346 fecal specimens were collected from 28 farms and screened for G. duodenalis cysts by zinc sulfate f...

journal_title：Parasitology research

authors： Benhassine S,Baroudi D,Hakem A,Thomas M,Laatamna A,Belkessa S,Feng Y,Roellig D,Chen X,Adjou KT,Xiao L

更新日期：2020-09-01 00:00:00

abstract：:Light, scanning and transmission electron microscope examinations of adult Cystidicoloides ephemeridarum nematodes, parasitic in the stomach of brown trout (Salmo trutta fario L.), revealed that the body wall is composed of a cuticle, a hypodermis and longitudinally oriented somatic musculature. The body cuticle is co...

journal_title：Parasitology research

authors： Frantová D,Moravec F

更新日期：2003-09-01 00:00:00

abstract：:Investigation of the ultrastructure of Protonaegleria westphali has been carried out by means of scanning electron microscopy (SEM) and transmission electronmicroscopy (TEM). SEM investigation demonstrated much enlarged trophozoites, flagellates and cysts corresponding to those under light microscopical observation. I...

journal_title：Parasitology research

authors： Michel R,Raether W,Schupp E

更新日期：1987-01-01 00:00:00

abstract：:Distinct sequences of Giardia duodenalis assemblages raised the hypothesis that certain assemblages may contribute to its clinical outcome. However, sequences analysis is time consuming, expensive, and needs many manual operations. Nested PCR targeting intergenic spacer (IGS) region was applied successfully to genotyp...

journal_title：Parasitology research

authors： Hussein EM,Ismail OA,Mokhtar AB,Mohamed SE,Saad RM

更新日期：2017-02-01 00:00:00

abstract：:This study identifies and characterizes one novel type of triactinospomyxon in oligochaete specimen of Branchiura sowerbyi Beddard collected from a fish pond used for rearing gibel carp located in Caidian Experimental Station of the Institute of Hydrobiology. It is nominated as Triactinospomyxon caidianensis type. The...

journal_title：Parasitology research

authors： Zhai YH,Zhou L,Gui JF

更新日期：2012-06-01 00:00:00

abstract：:In 1978, the nature of the hypnozoite was discussed in an article that appeared in a relatively obscure journal, which is also where the term was adopted for Plasmodium (a little-known fact). As a result, that commentary on the use of the word "hypnozoite" has been almost completely overlooked. Although the publicatio...

journal_title：Parasitology research

authors： Markus MB

更新日期：2011-01-01 00:00:00

abstract：:A LightCycler real-time polymerase chain reaction (PCR) assay was developed to detect Wuchereria bancrofti DNA in blood-fed mosquitoes. The assay is based on fluorescence melting curve analysis of the PCR product generated from a family of repeated DNA elements: the 182 bp SspI repeat, specific to the genus Wuchereria...

journal_title：Parasitology research

authors： Lulitanond V,Intapan PM,Pipitgool V,Choochote W,Maleewong W

更新日期：2004-11-01 00:00:00

abstract：:Litomosoides chagasfilhoi is a filariid nematode parasite of the abdominal cavity of the wild rodent Akodon cursor (Winge, 1887), that has been described and used in Brazil as a new model for human filariasis. The fine structure of the intestine of this nematode was analyzed based on observations made by light and tra...

journal_title：Parasitology research

authors： de Moraes Neto AH,Cunha GS,Ferreira TF,de Carvalho SN,Guimarães EV,de Souza W

更新日期：2006-05-01 00:00:00

abstract：:Cryptosporidiosis, caused by Cryptosporidium, causes self-limited diarrhea in normal hosts but may cause life-threatening diarrhea in immunocompromised persons. Cryptosporidium-induced manifestations, including weight-loss and intestinal physiological alterations are not noted in adult immunocompetent mice. So far, st...

journal_title：Parasitology research

authors： Garza A,Castellanos-Gonzalez A,Griffiths J,Robinson P

更新日期：2008-02-01 00:00:00

abstract：:The impact of parasites on host population dynamics depends on local abundance of the parasites, which may vary considerably across spatial scales. In sand hopper populations, mermithid parasites have major impacts on host dynamics, which may vary among spatially separated populations due to the sand hopper's wide, pa...

journal_title：Parasitology research

authors： Rasmussen TK,Randhawa HS

更新日期：2015-03-01 00:00:00

abstract：:The effectiveness of a bacteriocin-like substance (BLS) produced by Bacillus amyloliquefaciens was tested against Acanthamoeba polyphaga strains, and its cytotoxic potential on Vero cells was investigated. Amebicidal activity of the purified BLS was tested by plate bioassays with concentrations ranging from 12.5 to 6,...

journal_title：Parasitology research

authors： Benitez LB,Caumo K,Brandelli A,Rott MB

更新日期：2011-03-01 00:00:00

abstract：:Flame atomic absorption spectrometry was performed to determine the alteration of calcium concentration in the soft parts and shells of Biomphalaria alexandrina and Bulinus truncatus due to the infection with Schistosoma mansoni and S. haematobium, respectively. The results showed significant lowering in the calcium c...

journal_title：Parasitology research

authors： Mostafa OM

更新日期：2007-09-01 00:00:00

abstract：:Two of the three vector species of Schistosoma mansoni Sambon, 1907 in Brazil occur in the state of Maranhão: Biomphalaria glabrata (Say, 1818) and Biomphalaria straminea (Dunker, 1848). For the implementation of effective measures to combat schistosomiasis, it is necessary to identify the spatial and seasonal dynamic...

journal_title：Parasitology research

authors： David NF,Cantanhede SPD,Monroe NB,Pereira LPLA,Silva-Souza N,Abreu-Silva AL,de Oliveira VM,Tchaicka L

更新日期：2018-05-01 00:00:00

abstract：:Host susceptibility to parasites is likely to be influenced by intrinsic factors, such as host oxidative status determined by the balance between pro-oxidant production and antioxidant defences. As a result, host oxidative status acts as an environmental factor for parasites and may constrain parasite development. We ...

journal_title：Parasitology research

authors： Delhaye J,Glaizot O,Christe P

更新日期：2018-07-01 00:00:00

abstract：:Amastigotes of Leishmania species belonging to the Leishmania mexicana complex exhibit large lysosomes, called megasomes, which are rich in cysteine proteinases. Various aspects of the host-parasite interaction, the differentiation process as well as intracellular survival, have been attributed to these proteinases. T...

journal_title：Parasitology research

authors： Ueda-Nakamura T,da Conceição Rocha Sampaio M,Cunha-e-Silva NL,Traub-Cseko YM,de Souza W

更新日期：2002-04-01 00:00:00

abstract：:Preliminary findings of a high prevalence of Clonorchis sinensis in wild-caught fish in a North Vietnam reservoir (Thac Ba reservoir, Yen Bai Province) prompted a longitudinal epidemiological study of fish infections. Monthly collections of fish from September 2014 to August 2015 were processed for recovery of metacer...

journal_title：Parasitology research

authors： Bui TN,Pham TT,Nguyen NT,Nguyen HV,Murrell D,Phan VT

更新日期：2016-09-01 00:00:00

abstract：:Supplementary feeding is widely used in game management but may aid the transmission of parasites. Firstly, feeding sites attract animals and may be regarded as high-risk areas for parasite transmission. Secondly, high host population densities resulting from and supported by supplementary feeding, as well as accumula...

journal_title：Parasitology research

authors： Oja R,Velström K,Moks E,Jokelainen P,Lassen B

更新日期：2017-08-01 00:00:00

abstract：:Hepatozoon aegypti Bashtar, Boulos & Mehlhorn, 1984 was first described from the blood of the diadem snake (Spalerosophis diadema) in Egypt. During an investigation of the diversity of reptilian haemogregarines in Saudi Arabia, seven diadem snakes (100% of the sample) were found to be highly parasitised by H. aegypti,...

journal_title：Parasitology research

authors： Abdel-Haleem HM,Mansour L,Holal M,Qasem MAA,Al-Quraishy S,Abdel-Baki AS

更新日期：2018-10-01 00:00:00

abstract：:Black bullhead Ameiurus melas (Actinopterygii: Siluriformes) is an alien fish species of North American origin, which has expanded its invasive geographical range in Europe. In 2017-2019, 32 black bullhead specimens from the Lake Srebarna Biosphere Reserve, Bulgaria, were examined for monogenean parasites. Two species...

journal_title：Parasitology research

authors： Vancheva N,Bobeva A,Pehlivanov L,Stefanov T,Georgiev BB

更新日期：2020-07-01 00:00:00

abstract：:Two French populations of Galba truncatula were subjected to experimental infections with Egyptian and French isolates of Fasciola sp. miracidia, originating from cattle and sheep, to compare characteristics of snail infections in allopatric and sympatric groups. All sampled Egyptian isolates were identified as Fascio...

journal_title：Parasitology research

authors： Dar Y,Lounnas M,Djuikwo Teukeng FF,Mouzet R,Courtioux B,Hurtrez-Boussès S,Vignoles P,Dreyfuss G,Rondelaud D

更新日期：2013-07-01 00:00:00

abstract：:A small type of Cryptosporidium oocysts was isolated from a naturally infected cat and its biological nature was investigated. In cats experimentally inoculated with Cryptosporidium oocysts, long-lasting shedding of the oocysts occurred after a prepatent period of 8-10 days, and a number of peaks of oocyst count appea...

journal_title：Parasitology research

authors： Asahi H,Koyama T,Arai H,Funakoshi Y,Yamaura H,Shirasaka R,Okutomi K

更新日期：1991-01-01 00:00:00

abstract：:Strongyloides stercoralis can cause severe infection both in humans and dogs. Coproparasitological examination has low sensitivity for the diagnosis of this parasite; hence, different diagnostic techniques have been implemented. However, serology and molecular methods have been assessed almost exclusively in humans. I...

journal_title：Parasitology research

authors： Buonfrate D,Paradies P,Iarussi F,Formenti F,Perandin F,Otranto D,Bisoffi Z

更新日期：2017-07-01 00:00:00