abstract：:Specific anti-newborn larva antibodies present in the serum of rats chronically infected with Trichinella spiralis were incapable of inducing killing of newborn larvae by activation of normal peritoneal cells. These late antibodies blocked the cytotoxic reaction induced by early antibodies produced a few weeks after i...

journal_title：Parasitology research

authors： Venturiello SM,Costantino SN,Giambartolomei GH

更新日期：1996-01-01 00:00:00

abstract：:High levels of lactate dehydrogenase (LDH; EC 1. 1. 1. 27) activity have been detected in the filarial worm Molinema dessetae. The two major LDH isoenzymes (LDH1 and LDH2) from female worms were purified by successive chromatography on diethylaminoethyl (DEAE)-Sepharose, carboxymethyl (CM)-Sepharose, and hydroxyapatit...

journal_title：Parasitology research

authors： Marchat L,Loiseau PM,Petek F

更新日期：1996-01-01 00:00:00

abstract：:The present report describes a method for establishment of colonies of Blastocystis hominis from single cells in soft agar. The percentage of colony-forming efficiency (% CFE = number of colonies grown/number of cells inoculated x 100) for the cultures was greatly improved by the addition of sodium thioglycollate. Fiv...

journal_title：Parasitology research

authors： Tan SW,Singh M,Thong KT,Ho LC,Moe KT,Chen XQ,Ng GC,Yap EH

更新日期：1996-01-01 00:00:00

abstract：:The development of redial burden and cercarial shedding were studied in two groups of Lymnaea truncatula subjected to successive cross-exposures to one miracidium of Paramphistomum daubneyi and one of Fasciola hepatica per snail, or vice versa. The results were compared with those obtained in controls subjected to two...

journal_title：Parasitology research

authors： Augot D,Abrous M,Rondelaud D,Dreyfuss G

更新日期：1996-01-01 00:00:00

abstract：:The morphology and ecology are described for four sibling species of digenean metacercariae: Meiogymnophallus minutus (Cobbold 1859), M. strigatus (Lebour 1908) from the estuarine cockle Cerastoderma edule L. and M. fossarum (Bartoli, 1965) and M. rebecqui (Bartoli, 1983) comb. nov. from the brackish water lagoon cock...

journal_title：Parasitology research

authors： Bowers EA,Bartoli P,Russell-Pinto F,James BL

更新日期：1996-01-01 00:00:00

abstract：:cDNA clones for homologues of a molecular chaperone of the endoplasmic reticulum called the immunoglobulin heavy-chain binding protein (BiP) have been isolated from Eimeria maxima and E. tenella sporozoite cDNA libraries. The E. tenella cDNA clone is of full length and has a predicted N-terminal signal sequence of app...

journal_title：Parasitology research

authors： Dunn PP,Bumstead JM,Tomley FM

更新日期：1996-01-01 00:00:00

abstract：:Cultures were initiated in Madin-Darby bovine kidney (MDBK) cells from ME49 strain bradyzoites. Specific antibody staining showed that two populations of parasites exist, one being a predominant population of tachyzoites that were positive for the tachyzoite-specific marker SAG1 and negative for the bradyzoite-specifi...

journal_title：Parasitology research

authors： Lane A,Soete M,Dubremetz JF,Smith JE

更新日期：1996-01-01 00:00:00

abstract：:The value profiles of 5 intracellular enzymes, 15 metabolites (with 2 associated ratios), and 3 electrolytes were monitored over time in 9 captive-reared African black-footed penguins (Spheniscus demersus) with different avian malaria clinical status: uninfected, subclinically infected, and clinically infected with fa...

journal_title：Parasitology research

authors： Graczyk TK,Cranfield MR,Bicknese EJ

更新日期：1995-01-01 00:00:00

abstract：:Tryptophan-N-formylated gramicidin A, a nonhemolytic derivative of the toxic peptide antibiotic gramicidin A, has previously been shown to induce potassium leakage from Plasmodium falciparum-infected erythrocytes in vitro and to inhibit the growth of the parasite. In the present study the antimalarial activities of tw...

journal_title：Parasitology research

authors： Otten-Kuipers MA,Roelofsen B,Op den Kamp JA

更新日期：1995-01-01 00:00:00

abstract：:The activities of the disaccharidases lactase, maltase, sucrase and trehalase were examined in gerbils during Giardia lamblia infections. In a primary infection with trophozoites, the activities of all four enzymes were reduced from day 10 post-infection (p.i.) and remained at low levels well past the elimination phas...

journal_title：Parasitology research

authors： Mohammed SR,Faubert GM

更新日期：1995-01-01 00:00:00

abstract：:A total of 70 proven cases of neurocysticercosis from la Réunion (Indian Ocean) were studied with enzyme-linked immunoassay (ELISA) and immunoelectrotransfer blot (EITB) to detect specific antibodies in serum and cerebrospinal fluid (CSF). Absorbance levels of antibody to crude Taenia solium cyst extract as an antigen...

journal_title：Parasitology research

authors： Simac C,Michel P,Andriantsimahavandy A,Esterre P,Michault A

更新日期：1995-01-01 00:00:00

abstract：:The immunoreactivity of Taenia saginata and T. crassiceps metacestode neutral glyco(sphingo)lipids towards IgG antibodies derived from the sera of calves with experimental cysticercosis has been established. The glyco(sphingo)lipids are separable by normal-phase HPTLC (high-performance thin-layer chromatography) into ...

journal_title：Parasitology research

authors： Baumeister S,Schuh C,Dennis RD,Walther M,Pfister K,Geyer E

更新日期：1995-01-01 00:00:00

abstract：:On the basis of information acquired from local health authorities in Evora district of Portugal on cases of visceral leishmaniasis (VL), an epidemiology survey study was conducted. To determine the prevalence of anti-Leishmania antibodies in the local human and canine populations residing in Evora town and 14 adjacen...

journal_title：Parasitology research

authors： Semião-Santos SJ,el Harith A,Ferreira E,Pires CA,Sousa C,Gusmão R

更新日期：1995-01-01 00:00:00

abstract：:Immunoperoxidase localisation of antigen at the electron microscope level confirms that parasite surface proteins, in association with membrane, are shed from the surface of the zoite on invasion, while varying amounts are also internalised. SAG 1 is stable on intracellular zoites for up to 48 h, although new protein ...

journal_title：Parasitology research

authors： Grimwood J,Smith JE

更新日期：1995-01-01 00:00:00

abstract：:Before and after a stress treatment, larval stages and adult worms of Haemonchus contortus were tested for the induction and expression of heat-shock proteins (HSPs) using immunoblot analysis with HSP70-and HSP65-specific monoclonal antibodies. Stress treatment or heat shock did not alter the signals obtained with the...

journal_title：Parasitology research

authors： van Leeuwen MA

更新日期：1995-01-01 00:00:00

abstract：:Precise identification of members of the genus Diplostomum is difficult in that many larval stages have been described and named separately from their adult forms. In this study, the life cycles of two Diplostomum spp. were established using metacercariae obtained from the eyes of rainbow trout. The parasites were ide...

journal_title：Parasitology research

authors： Field JS,Irwin SW

更新日期：1995-01-01 00:00:00

abstract：:The electron microscopic investigation of the anterior part of the infective third-stage juvenile of Onchocerca volvulus provides first insights into the structure of the excretory system of this developmental stage of the parasite. The most anterior part of this system consists of a cell process of the syncytial excr...

journal_title：Parasitology research

authors： Strote G,Bonow I

更新日期：1995-01-01 00:00:00

abstract：:Three monoclonal antibodies generated by immunization of mice with Plasmodium berghei-infected red blood cells were found to react with the 75-kDa heat-shock protein (HSP70) present in liver stages and erythrocytic forms of the parasites. These antibodies were shown to react with a recombinant protein encoding the car...

journal_title：Parasitology research

authors： Tsuji M,Mattei D,Nussenzweig RS,Eichinger D,Zavala F

更新日期：1994-01-01 00:00:00

abstract：:Gonadectomized male laboratory rats were given 0.06 mg/kg estradiol benzoate daily for 14 days before being inoculated with 50 third-stage larvae of Parastrongylus malaysiensis. Hormone treatment was continued until the rats were killed. The numbers of larvae in the brain and of adult worms in the pulmonary area of th...

journal_title：Parasitology research

authors： Kamis AB,Ahmad RA,Badrul-Munir MZ

更新日期：1994-01-01 00:00:00

abstract：:The life cycle of Hepatozoon sipedon sp. nov. was studied in two snake species, the Northern water snake and the Eastern garter snake, in its mosquito hosts Culex pipiens and C. territans, and in the Northern leopard frog. Gametogenesis, fertilization and sporogony occurred within fat body cells in the haemocoel of mo...

journal_title：Parasitology research

authors： Smith TG,Desser SS,Martin DS

更新日期：1994-01-01 00:00:00

abstract：:A post-embedding immunogold technique was used to examine the subcellular distribution of immunoreactivities to the invertebrate peptide, FMR-Famide, and to vertebrate pancreatic polypeptide (PP) within the central nervous system of the trematode, Fasciola hepatica. Gold labeling of peptide was localised exclusively o...

journal_title：Parasitology research

authors： Brownlee DJ,Brennan GP,Halton DW,Fairweather I,Shaw C

更新日期：1994-01-01 00:00:00

abstract：:Antibody responses to naturally acquired Plasmodium relictum and P. elongatum infections, blood parasitemia, and disease signs were investigated in 23 naive juvenile African black-footed penguins (Spheniscus demersus). Anti-Plasmodium spp. immunoglobulins were detected by enzyme-linked immunosorbent assay (ELISA) usin...

journal_title：Parasitology research

authors： Graczyk TK,Cranfield MR,McCutchan TF,Bicknese EJ

更新日期：1994-01-01 00:00:00

abstract：:In the present study the behavior and pathogenicity of second-stage larvae of Toxocara canis were examined in different mouse strains with special emphasis on the major histocompatibility complex (MHC). Mice of the inbred strains BALB, C3H, C57BL, and DBA and the outbred strain NMRI were infected orally with 1000 seco...

journal_title：Parasitology research

authors： Epe C,Sabel T,Schnieder T,Stoye M

更新日期：1994-01-01 00:00:00

abstract：:Serum and colostrum were collected from adult buffalo cows naturally infected with Toxocara vitulorum. When injected into mice, the colostrum reduced the number of larvae of T. vitulorum that migrated in the mice. Injection of particularly the IgG-containing fraction but also the IgM-containing fraction of Sephadex G2...

journal_title：Parasitology research

authors： Rajapakse RP,Lloyd S,Fernando ST

更新日期：1994-01-01 00:00:00

abstract：:Monosaccharides, lectins, periodate, trypsin and neuraminidase were used to analyse the process of adhesion of Giardia duodenalis trophozoites to IEC cells, an intestinal epithelial cell line. Addition of N-acetyl-glucosamine, N-acetyl-galactosamine, galactose and fucose to the interaction medium inhibited attachment ...

journal_title：Parasitology research

authors： Pegado MG,de Souza W

更新日期：1994-01-01 00:00:00

abstract：:Mixed infections with Schistosoma japonicum and S. mansoni were carried out in mice. S. japonicum females paired with S. mansoni males developed normally and produced numerous viable eggs; very little sperm was found in the female genital tract. The eggs yielded many miracidia infective to Oncomelania hupensis, the ho...

journal_title：Parasitology research

authors： Imbert-Establet D,Xia M,Jourdane J

更新日期：1994-01-01 00:00:00

abstract：:In frozen sections of the acanthocephalan Pomphorhynchus laevis, which is a frequent intestinal parasite of cyprinid and salmonid fishes, leucine aminopeptidase (APase) was localized histochemically in outer parts of the presomal bulbus as well as in all layers and most nuclei of the metasomal body wall. Enzyme activi...

journal_title：Parasitology research

authors： Volkmann A,Polzer M

更新日期：1994-01-01 00:00:00

abstract：:The morphology, adult development and genetic characteristics of Echinococcus granulosus isolated from pigs in Poland were examined and compared with those of other recognised strains of E. granulosus. The isolates were characterised by their distinct morphology, rapid maturation and unique DNA hybridisation profiles....

journal_title：Parasitology research

authors： Eckert J,Thompson RC,Lymbery AJ,Pawlowski ZS,Gottstein B,Morgan UM

更新日期：1993-01-01 00:00:00

abstract：:The efficacy of abamectin 1%, when injected subcutaneously in cattle at a dose of 200 micrograms/kg body weight, against the larval stages (grubs) of the fly Dermatobia hominis was evaluated in two trials in endemic areas of Brazil and Argentina. Eighteen Holstein x Brahman castrated males and 16 Brahman-cross with na...

journal_title：Parasitology research

authors： Cruz JB,Benitez-Usher C,Cramer LG,Gross SJ,Kohn AB

更新日期：1993-01-01 00:00:00

abstract：:For the identification of host species of blood-sucking parasites, the suitability of disc-electrophoresis of the stomach contents was tested. Mammalian blood in the stomach of the medicinal blood leech Hirudo medicinalis gave satisfactory results. In the case of mixed blood samples from H. medicinalis, the identifica...

journal_title：Parasitology research

authors： Keim A

更新日期：1993-01-01 00:00:00

abstract：:Changes in the hepatocytes of male hamsters (Mesocricetus auratus) and jirds (Meriones unguiculatus) at 220 days after experimental infection with the liver fluke Opisthorchis viverrini were studied by light and electron microscopy. The hepatocytes of the control group were characterized by an intracellular compartmen...

journal_title：Parasitology research

authors： Adam R,Hinz E,Sithithaworn P,Pipitgool V,Storch V

更新日期：1993-01-01 00:00:00

abstract：:Common frogs (Rana temporaria) were exposed either to third-stage larvae (L3) or to first-stage larvae (L1) of Angiostrongylus vasorum. Following exposure to L3, viable larvae could be detected in the frogs for at least 2 weeks. Following exposure to L1, the frogs developed viable L3 in their tissues within 30 days. I...

journal_title：Parasitology research

authors： Bolt G,Monrad J,Frandsen F,Henriksen P,Dietz HH

更新日期：1993-01-01 00:00:00

abstract：:Gas-liquid chromatographic studies were done to determine the fatty acid composition of the digestive gland-gonad (DGG) complex of Helisoma trivolvis snails infected with the intramolluscan stages of Echinostoma trivolvis, of rediae freed from the DGG, of uninfected DGG, and of 41-day-old adult worms grown in golden h...

journal_title：Parasitology research

authors： Fried B,Rao KS,Sherma J,Huffman JE

更新日期：1993-01-01 00:00:00

abstract：:Analysis of the initial interaction between Entamoeba histolytica trophozoites and the large intestine is impossible in humans and very difficult in experimental animals. To circumvent this obstacle we treated the luminal side of full-thickness rabbit colon segments mounted in Ussing-type chambers with trophozoite lys...

journal_title：Parasitology research

authors： Navarro-García F,López-Revilla R,Tstusumi V

更新日期：1993-01-01 00:00:00

abstract：:Malarial antigens on the surface of infected erythrocytes have been described by many investigators. However, few of these antigens have been unambiguously demonstrated to be exposed on the surface of erythrocytes. This study demonstrates that mild glutaraldehyde fixation results in the cytoplasmic face of the host me...

journal_title：Parasitology research

authors： Wiser MF,Faur LV,Lanners HN,Kelly M,Wilson RB

更新日期：1993-01-01 00:00:00

abstract：:Proteins of Babesia equi piroplasms were characterized. The piroplasms of B. equi were purified by lysis of infected horse erythrocytes with N2 gas cavitation followed by separation in Percoll density-gradient centrifugation. The relative molecular weights (Mr) of major proteins separated by two-dimensional sodium dod...

journal_title：Parasitology research

authors： Ali S,Sugimoto C,Matsuda M,Sugiura T,Kanemaru T,Onuma M,Kamada M

更新日期：1993-01-01 00:00:00

abstract：:Echinostoma trivolvis adults grown in golden hamsters were treated in vitro with [3H]-tyrosine to label sperm and transplanted to uninfected hamsters alone or with four to six unlabeled adults. After 4-5 days, worms were recovered, processed for autoradiography, and observed for silver grains over their seminal recept...

journal_title：Parasitology research

authors： Nollen PM

更新日期：1993-01-01 00:00:00

abstract：:Antigens derived from Echinococcus granulosus, Taenia hydatigena and T. pisiformis cyst fluids, T. solium cysticerci, E. multilocularis protoscoleces and E. vogeli cyst membranes were examined by enzyme-linked immunosorbent assay (ELISA) and immunoelectrophoresis (IEP) using four monoclonal antibodies (mAb) to E. gran...

journal_title：Parasitology research

authors： Liu D,Rickard MD,Lightowlers MW

更新日期：1993-01-01 00:00:00

abstract：:Gossypol, a natural polyphenolic compound, induces growth-inhibitory and antiparasitic effects in Taenia taeniaeformis metacestodes in vivo and in vitro. We investigated the uptake and localization of [3H]-gossypol in this parasite. Metacestodes were incubated in 10(-5) M [3H]-gossypol at 37 degrees C. Parasites stead...

journal_title：Parasitology research

authors： Kulp SK,Rikihisa Y,Lin YC,Moh PP,Li PK,Gu Y

更新日期：1993-01-01 00:00:00

abstract：:The present report describes the radioactive labeling of polar lipids in in vitro cultures of Plasmodium falciparum as well as their extraction with organic solvents and their partial characterization by chemical and enzymatic methods. All substances detected could be cleaved by alkali, suggesting that they were ester...

journal_title：Parasitology research

authors： Dieckmann-Schuppert A,Bender S,Holder AA,Haldar K,Schwarz RT

更新日期：1992-01-01 00:00:00