abstract：:The localisation and distribution of the cytoskeletal protein tubulin in the adult liver fluke Fasciola hepatica have been determined by an indirect immunofluorescence technique using a monoclonal antibody raised against beta-tubulin. Tubulin was demonstrated in the tegumental syncytium and in the tegumental cell bodi...

journal_title：Parasitology research

authors： Stitt AW,Fairweather I,Trudgett AG,Johnston CF

更新日期：1992-01-01 00:00:00

abstract：:To quantify the effect of Nosema algerae (Microsporidia, Nosematidae) on the development of Plasmodium falciparum in Anopheles stephensi (Diptera, Culicidae), we carried out infection experiments under standardized laboratory conditions. Apart from a mean reduction of 69% in oocyst development, smaller numbers of oocy...

journal_title：Parasitology research

authors： Margos G,Maier WA,Seitz HM

更新日期：1992-01-01 00:00:00

abstract：:This experimental study on pigs was designed to simulate natural, long-term exposure to Ascaris suum under modern management conditions. Parasite kinetics were followed in pigs receiving A. suum eggs as repeated trickle inoculations at two dose levels beginning at a body weight of 25 kg until their slaughter at 90 kg ...

journal_title：Parasitology research

authors： Eriksen L,Nansen P,Roepstorff A,Lind P,Nilsson O

更新日期：1992-01-01 00:00:00

abstract：:The metacercarial cyst walls of Paragonimus westermani, P. miyazakii, P. ohirai, and P. iloktsuenensis were examined using ultrastructural and histochemical techniques. The cyst walls of P. westermani, P. miyazakii, and P. ohirai were found to have five distinct layers, whereas the wall of P. iloktsuenensis had only t...

journal_title：Parasitology research

authors： Lou YS,Fujino T,Morita K,Ishii Y

更新日期：1992-01-01 00:00:00

abstract：:In an experiment including 8 groups of 15 mice, the effect of migrating Ascaris suum larvae in the lungs on the establishment and pathogenicity of aerosol exposure to Pasteurella multocida was investigated. Following aerosol exposure to P. multocida, mice with migrating A. suum in their lungs developed more severe pne...

journal_title：Parasitology research

authors： Tjørnehøj K,Eriksen L,Aalbaek B,Nansen P

更新日期：1992-01-01 00:00:00

abstract：:The nervous system of Cysticercus cellulosae, the metacestode stage of the tapeworm Taenia solium, was delineated using histochemical methods for the localization of the enzyme markers; nonspecific esterase and acetylcholinesterase. The main features of the nervous system include a pair of cerebral ganglia, a circumce...

journal_title：Parasitology research

authors： Vasantha S,Kumar BV,Roopashree SD,Das S,Shankar SK

更新日期：1992-01-01 00:00:00

abstract：:The susceptibility of two Venezuelan (YT and SM) and one Brazilian (BH) strain of Schistosoma mansoni to single oral doses of praziquantel (Pz; 250 or 500 mg/kg), oxamniquine (Ox; 40, 60, or 100 mg/kg) or to low-dose combinations of both drugs (33 mg/kg Pz and 25 mg/kg Ox; 66 mg/kg Pz and 12.5 mg/kg Ox; 250 mg/kg Pz a...

journal_title：Parasitology research

authors： Delgado VS,Suárez DP,Cesari IM,Incani RN

更新日期：1992-01-01 00:00:00

abstract：:Trypanosoma cruzi proteinases are very likely involved in host-cell invasion. Physiological plasma-proteinase inhibitors from the macroglobulin (MG) family, among them alpha-2-macroglobulin (A2M), are found in tissues and in the plasma of mammals. By complexing to all classes of proteinases, MGs inhibit their action o...

journal_title：Parasitology research

authors： Araujo-Jorge TC,Lage MJ,Rivera MT,Carlier Y,Van Leuven F

更新日期：1992-01-01 00:00:00

abstract：:Two soluble Toxoplasma gondii antigen preparations were compared using the immunoblotting technique. The first preparation, which is commonly employed in ELISA tests, corresponds to a lytic extract of the parasite. The second known as exo-antigen, has yielded good results in cell immunity research and is obtained from...

journal_title：Parasitology research

authors： Bessières MH,Le Breton S,Séguéla JP

更新日期：1992-01-01 00:00:00

abstract：:An in vitro system for studying the transformation of bloodstream forms of Trypanosoma brucei brucei into procylic (midgut) forms is described. In this system, transformation of the parasites was stimulated by Glossina morsitans morsitans midgut homogenates at 27 degrees C but not at 4 degrees C. The transformation-st...

journal_title：Parasitology research

authors： Imbuga MO,Osir EO,Labongo VL,Darji N,Otieno LH

更新日期：1992-01-01 00:00:00

abstract：:Dimethyl sulfoxide (DMSO), commonly used for cryoprotection or for the solvation of cytoskeleton-modifying drugs, causes changes in the topology of the plasma membrane of the tegumental brush border in the tapeworm Hymenolepis diminuta; however, relatively long exposures of high concentrations are required. In tapewor...

journal_title：Parasitology research

authors： Forman LA,Oaks JA

更新日期：1992-01-01 00:00:00

abstract：:An enzyme-linked immunosorbent assay (ELISA) was developed for the detection of Echinococcus coproantigens in fecal samples from dogs, dingoes or foxes infected with either E. granulosus or E. multilocularis. The ELISA was based on protein-A-purified polyclonal antibodies [anti-E. granulosus excretory/secretory (E/S) ...

journal_title：Parasitology research

authors： Deplazes P,Gottstein B,Eckert J,Jenkins DJ,Ewald D,Jimenez-Palacios S

更新日期：1992-01-01 00:00:00

abstract：:Interferon-tau (IFN-tau) treatment of Trichinella spiralis-infected BALB/c mice was investigated. The therapeutic regimen consisted of daily intraperitoneal injection of 10(4) U murine IFN-tau for 7 days, starting at 2 weeks post-infection. Striated muscle samples (diaphragm, thigh) were collected at 4, 8 and 12 weeks...

journal_title：Parasitology research

authors： Neifer S,Kremsner PG,Weinig M,Harms G,Sahlmüller G,Bienzle U,Heitmann M,Breuer F,Mehlhorn H

更新日期：1991-01-01 00:00:00

abstract：:A monoclonal antibody raised against membrane proteins of Toxoplasma gondii with molecular weights of 35 and 21 kDa also reacts strongly and "specifically" with surface antigens of Pneumocystis carinii with molecular weights of 394.2 and 69 kDa when used in a direct immunofluorescence antibody test, on the one hand, a...

journal_title：Parasitology research

authors： Hassl A,Müller WA,Aspöck H

更新日期：1991-01-01 00:00:00

abstract：:In the present study, Diplectanum laubieri was redescribed from material obtained from wild and cultured fish. The population dynamics of D. aequans and D. laubieri under culture conditions was studied. The prevalence and mean intensity (average number of worms per parasitized fish) were 80.64% and 112 for D. aequans ...

journal_title：Parasitology research

authors： González-Lanza C,Alvarez-Pellitero P,Sitjá-Bobadilla A

更新日期：1991-01-01 00:00:00

abstract：:Passive transfer of immunity using a mouse monoclonal IgE antibody against Schistosoma japonicum was found to be enhanced by heterologous helminth infections. BALB/c mice were infected with Toxocara canis or Nippostrongylus brasiliensis so as to induce eosinophilia prior to a challenge infection with S. japonicum. Rec...

journal_title：Parasitology research

authors： Janecharut T,Hata H,Kojima S

更新日期：1991-01-01 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：:Results obtained in experiments testing the efficacy of anti-procyclic-form rabbit sera on the development of homologous and heterologous stocks of Trypanosoma brucei brucei in Glossina morsitans morsitans indicated that this development was affected little, or not at all, by such sera. The absence of effect of anti-p...

journal_title：Parasitology research

authors： Honigberg BM,Hampton RW,Cunningham I

更新日期：1991-01-01 00:00:00

abstract：:In three different areas in northern Germany, hippoboscids were collected from red deer (Cervus elaphus). Typanosomatids were demonstrated in the midgut and hindgut of 9/37 Lipoptena cervi. The trypanosomatids were morphologically similar to vector forms of the subgenus Megatrypanum that had been found in tabanids at ...

journal_title：Parasitology research

authors： Böse R,Petersen K

更新日期：1991-01-01 00:00:00

abstract：:The involvement of protein kinase C in the initiation of free oxygen radical generation by rat leukocytes in response to the nematode Nippostrongylus brasiliensis was investigated. Inhibitors of protein kinase C, trifluoperazine and 1-(5-isoquinolinylsulfonyl)-2-methylpiperazine (H-7), inhibited free radical generatio...

journal_title：Parasitology research

authors： Smith NC

更新日期：1991-01-01 00:00:00

abstract：:Infections of Eimeria tenella in chicken embryos were used to compare the anticoccidial activity of ten drugs. The minimal inhibitory concentration (MIC) and minimal toxic concentration (MTC) were affected by the time of inoculation into the embryos and by the chemical nature of the compounds. Some compounds (nicarbaz...

journal_title：Parasitology research

authors： Xie MQ,Fukata T,Gilbert JM,McDougald LR

更新日期：1991-01-01 00:00:00

abstract：:Groups of five rats each were infected with metacercariae of Fasciola hepatica according to two experimental procedures. In the first experiment, they received 20 metacercariae 0, 1, 2 or 3 times at intervals of 4 weeks. In the second, both the inoculation dose and the interval between doses were varied. After the ani...

journal_title：Parasitology research

authors： Charbon JL,Spähni M,Wicki P,Pfister K

更新日期：1991-01-01 00:00:00

abstract：:The distribution of actin filaments in the spermatogenic cells of Fasciola hepatica was determined using a fluorescent derivative of phalloidin. Actin was localised primarily in the region of separation of a secondary spermatogonium from a primary spermatogonium, in the inner faces at the centre of four-cell clusters ...

journal_title：Parasitology research

authors： Stitt AW,Fairweather I,Johnston CF

更新日期：1991-01-01 00:00:00

abstract：:This report describes a technique for studying the adherence and growth of Giardia intestinalis trophozoites (strains PARIS/86/LCF/1, PARIS/86/LCF/2 and PARIS/88/LCF/8) using the human colon carcinoma cell line Caco2. Giardia trophozoites were cultured with Caco2 cells in a modified HSP3 culture medium. The biochemica...

journal_title：Parasitology research

authors： Favennec L,Chochillon C,Meillet D,Magne D,Savel J,Raichvarg D,Gobert JG

更新日期：1990-01-01 00:00:00

abstract：:The DNA content of the developmental stages within the life cycle of Babesia divergens was measured by means of fluorescence microscopy using the DNA-specific bisbenzimide Hoechst 33258. By comparing the mean relative fluorescence intensities, the assumption of sexual reproduction in the gut of the tick vector (Ixodes...

journal_title：Parasitology research

authors： Mackenstedt U,Gauer M,Mehlhorn H,Schein E,Hauschild S

更新日期：1990-01-01 00:00:00

abstract：:The authors previously reported that an extract from Zingiber officinale, traditionally eaten along with raw fish and used in traditional Chinese medicine, effectively destroyed Anisakis larvae in vitro. In this study, we analyzed the effective components of ginger rhizomes. Methanol extracts were fractionated after f...

journal_title：Parasitology research

authors： Goto C,Kasuya S,Koga K,Ohtomo H,Kagei N

更新日期：1990-01-01 00:00:00

abstract：:Investigations by scanning and transmission electron microscopy and freeze-etching revealed that eyes of adult Rhipicephalus evertsi mimeticus consist of a lens and photoreceptor cells, which are separated by an acellular layer and the hypodermis. The lens contains numerous pore channels, which open beneath the epicut...

journal_title：Parasitology research

authors： Gothe R,Göbel E,Schöl H

更新日期：1990-01-01 00:00:00

abstract：:The localisation and distribution of the cholinergic, serotoninergic and peptidergic components of the nervous system of the frog-lung fluke Haplometra cylindracea have been determined by the application of standard enzyme cytochemical and immunocytochemical techniques to cryostat sections and whole-mount preparations...

journal_title：Parasitology research

authors： McKay DM,Halton DW,Johnston CF,Fairweather I,Shaw C

更新日期：1990-01-01 00:00:00

abstract：:Immunocytochemical studies using antibodies against various peptides were performed on Echinostoma caproni. Only the presence of substance P or a related peptide was clearly demonstrated in this digenetic trematode. In the central nervous system, substance P-immunoreactive neurons were few and constituted two populati...

journal_title：Parasitology research

authors： Richard J,Klein MJ,Stoeckel ME

更新日期：1989-01-01 00:00:00

abstract：:The first description of an electron microscopic study of Trypanosoma corvi in the vector Ornithomyia avicularia is reported. There is a close association between vector and parasite in the midgut, ileum and rectum of the vector. The midgut distribution of parasites is determined by the peritrophic membrane, which con...

journal_title：Parasitology research

authors： Mungomba LM,Molyneux DH,Wallbanks KR

更新日期：1989-01-01 00:00:00

abstract：:The effect of incubation of parasites (epimastigote and trypomastigote forms of Trypanosoma cruzi) or macrophages in the presence of tunicamycin (TM) or monensin (M) on the parasite-macrophage association was analysed. Treatment of the parasites with TM, a drug which interferes with the process of N-glycosylation of p...

journal_title：Parasitology research

authors： Souto-Padrón T,de Souza W

更新日期：1989-01-01 00:00:00

abstract：:The infectivity of Cryptosporidium muris (strain RN 66), originally isolated from the house rat (Iseki 1986), to various laboratory animals was studied by transmission experiments. After oral inoculation with 1 x 10(6) oocysts, mice, guinea pigs, rabbits, dogs, and cats all discharged endogenously produced oocysts in ...

journal_title：Parasitology research

authors： Iseki M,Maekawa T,Moriya K,Uni S,Takada S

更新日期：1989-01-01 00:00:00

abstract：:In this study, the antigenic mosaic of the vesicular fluid (VF) and hydrosoluble cyst-wall extract (CWE) of T. crassiceps (Tc; harvested from mice) and T. saginata (Ts) metacestodes was analyzed by combined precipitation maps developed in single and bidimensional immunoelectrophoresis against the respective rabbit ant...

journal_title：Parasitology research

authors： Kalinna B,Becker M,Geyer E

更新日期：1989-01-01 00:00:00

abstract：:A total of 480 snails were collected from 3 habitats on the Mau Escarpment, Kenya, and were identified as Bulinus tropicus. Of the 351 snails examined alive in London, 75 were infected with Calicophoron microbothrium, 39 with C. microbothrium and Schistosoma bovis, 1 with S. bovis, 24 with other species of trematodes ...

journal_title：Parasitology research

authors： Southgate VR,Brown DS,Warlow A,Knowles RJ,Jones A

更新日期：1989-01-01 00:00:00

abstract：:In patients infected with Trichuris trichiura, large eggs as well as more typical eggs were frequently found in the feces; these large eggs have been attributed to human infection by T. vulpis. To clarify whether the female worms laying the large eggs were T. trichiura or T. vulpis, we examined the morphology of adult...

journal_title：Parasitology research

authors： Yoshikawa H,Yamada M,Matsumoto Y,Yoshida Y

更新日期：1989-01-01 00:00:00

abstract：:Trypanosoma acomys (Stercoraria, Trypanosomatidae) was studied in the laboratory-bred spiny mouse Acomys cahirinus. Only trypomastigotes were found in peripheral blood, whereas the thymus of experimentally infected A. cahirinus showed amastigote syncytial reproductive forms whose nuclei of nuclei ranged from 2 to 128....

journal_title：Parasitology research

authors： Abdallah MA,Abdel-Hafez SK,al-Yaman FM

更新日期：1989-01-01 00:00:00

abstract：:The effect on the tegument of adult Fasciola hepatica of incubation in the sodium ionophore monensin, the Na+/K+-ATPase inhibitor ouabain and ouabain pretreatment followed by monensin has been determined in vitro by scanning and transmission electron microscopy (SEM, TEM). With monensin incubation alone (1 x 10(-6) M)...

journal_title：Parasitology research

authors： Skuce PJ,Fairweather I

更新日期：1989-01-01 00:00:00

abstract：:Immunoscreening of an adult Schistosoma mansoni cDNA expression library, using antibodies raised against purified adult worm tegumental surface membranes, identified a recombinant clone containing a 141-bp insert. Antibodies raised against the recombinant antigen bound specifically to the tegument of adult worms and i...

journal_title：Parasitology research

authors： Knight M,Kelly C,Rodrigues V,Yi X,Wamachi A,Smithers SR,Simpson AJ

更新日期：1989-01-01 00:00:00

abstract：:An endopeptidase specific to the Plasmodium falciparum erythrocytic schizont stage and to free merozoites was detected using the fluorogenic GlcA-Val-Leu-Gly-Lys(or Arg)-AEC substrate. The enzyme was purified by high performance liquid chromatography (HPLC); its optimal activity was around pH 7.5 and its isoelectric p...

journal_title：Parasitology research

authors： Grellier P,Picard I,Bernard F,Mayer R,Heidrich HG,Monsigny M,Schrével J

更新日期：1989-01-01 00:00:00

abstract：:The effect of the adult worms and migrating L1 larvae of Trichinella spiralis on the production of specific IgE antibodies was determined in BCF1 mice. To achieve this, we combined the effect of two anthelminthics: thiabendazole, to produce chemosterilization of adult females, and napthalophos, to expel adult worms fr...

journal_title：Parasitology research

authors： Santamarina MT,Leiro J,Garrido MJ,Sanmartin Durán ML,Ubeira FM

更新日期：1988-01-01 00:00:00