| permeability studies on taenid metacestodes: i. uptake of proteins by larval stages of taenia taeniaeformis, t. crassiceps, and echinococcus granulosus. | host immunoglobulins of several different classes were detected within the bladder fluids of taenia taeniaeformis, t. crassiceps, and echinococcus granulosus. radioiodinated proteins were taken up in vitro by larvae of both t. taeniaeformis and t. crassiceps and were shown to retain their physicochemical and antigenic characteristics. rates of uptake were similar in the 2 species and were not related to the molecular weight of the proteins. immunoglobulins were taken up both in vitro and in vivo ... | 1977 | 67206 |
| the immunological response of the rat to infection with taenia taeniaeformis. vii. immunization by oral and parenteral administration of antigens. | | 1979 | 220185 |
| studies on immune responses to larval cestodes in mice. increased susceptibility of certain mouse strains and hypothymic mice to taenia taeniaeformis and analysis of passive transfer of resistance with serum. | various inbred strains of mice vary markedly in their susceptibility to the larvae of the cestode, taenia taeniaeformis. males are generally more susceptible than females and the most susceptible common inbred mouse strains are those which are deficient in c5 and/or c4 components of complement. however, no genetic evidence is yet available to implicate loci controlling complement levels in susceptibility/resistance, and multiple genetic factors appear to be operative. hypothymic, nu/nu ("nude") ... | 1977 | 332137 |
| studies on the mechanism of long term survival of taenia taeniaeformis in rats. | an attempt was made to determine if blocking antibody is involved in protecting cysticerci of taenia taeniaeformis against a host immune response. immunoflourescence microscopy confirmed that host antibody is presnet on the parasite surface within the capsule. to test if the larvae can still survive after such a coat of blocking antibody is removed, the larvae were trysinised and then implanted into recipients. the results indicate that blocking antibody could be involved in the survival of 1 ye ... | 1978 | 350951 |
| physicochemical characterization of complement-interacting factors from taenia taeniaeformis. | | 1978 | 416142 |
| [the efficacy of praziquantel against experimental cysticercosis and hydatidosis (author's transl)]. | praziquantel is active against cysticerci in experimentally infected mice, rabbits, sheep and cattle. after single or repeated application the infectious stages of hymenolepis nana, cysticercus fasciolaris, c. pisiformis, c. tennuicollis and c. bovis were killed. the compound is more active against older than against younger stages as demonstrated with h. nana-cystecercoids and c. fasciolaris in mice. against the tetrahyridia of mesocestoides corti in mice praziquantel is only effective after an ... | 1978 | 417482 |
| [contributions to the parasitic fauna of the gdr. 4. studies of the presence of helminths in the brown rat (rattus norvegicus)]. | 120 brown rats (rattus norvegicus), caught in a territory with animal production buildings in gdr, were infected with ganguleterakis spumosa (58,3%), hymenelopesis diminuta (44,1%) and hydatigera taeniaeformis larv. (3,3%). the parasitological findings were compared with those of other authors from the neighbouring countries like cssr, poland, frg and the former deutsches reich. for faunistic information results are necessary of researches in different parts of the country. | 1979 | 517804 |
| stimulation of resistance to taenia taeniaeformis in the rat by infection with fasciola hepatica. | | 1979 | 528142 |
| immunity to the metacestode of taenia taeniaeformis in the laboratory rat. | | 1977 | 596524 |
| [small mammal helminths in neusiedlersee region]. | 153 small mammals belonging to 22 species were investigated during the year 1975. on this occasion, 29 different species of helminths were found. parallel-infection of one host by different helminths was common. all age-groups and both sexes of hosts were infested. pathological symptoms like eosinophile infiltration of the lungs and splenomegalia were generally observed as accompanying phenomena of endoparasitic infestations. often, there were no distinct symptoms even if the intensity of the in ... | 1977 | 596674 |
| interaction between taenia taeniaeformis and the complement system. | factors present in the cystic bladder fluid of metacestodes of taenia taeniaeformis and released by these parasites maintained in vitro were shown to interact with the c system in vitro and in vivo. this interaction resulted in the depletion of hemolytic c in normal sera of several species, the generation of anaphylatoxin-like activity in vitro, the conversion of c3, and the production of vascular permeability changes in vivo. the substances appeared to initiate c fixation nonimmunologically via ... | 1978 | 632577 |
| immunological response of the rat to infection with taenia taeniaeformis. vi. the role of immediate hypersensitivity in resistance to reinfection. | | 1978 | 640720 |
| the role of iga immunoglobulins in the passive transfer of protection to taenia taeniaeformis in the mouse. | normal mice were protected against infection with metacestodes of taenia taeniaeformis when administered intestinal, colostral or serum immunoglobulins obtained from adult mice previously orally infected with the parasitie. the protective capacity of these preparations was found to be associated mainly with iga of colostrum and intestinal secretions and igg of serum. the removal of iga and igg from immune colostrum and serum, respectively, abolished the protective effect. neonatal mice were prot ... | 1978 | 658984 |
| scanning electron microscopic observations of cysticercus fasciolaris (=taenia taeniaeformis) after treatment of mice with mebendazole. | the time-related topographical changes in mature cysticerci of taenia taeniaformis induced after medication of infected mice with 250 ppm of mebendazole are described. the changes included the gradual disappearance of microtriches and progressive degeneration of the tegment resulting in an irregular surface with grooves, holes, and craterlike structures. host cells adhered to the altered areas and the number of these cells increased when more severe changes became apparent. finally the necrotize ... | 1978 | 660379 |
| studies on humoral immunity against taenia taeniaeformis infection in rats. | rats were infected with doses of 100, 1000, 5000 and 10 000 eggs of taenia taeniaeformis. haemagglutinating antibody to cysticerus antigen was detected at the 4th week of infection. the appearance and levels of antibody titre did not vary greatly with the infective dose. an igm peak appeared at the 6th week, with igg appearing slightly later and continuing to rise. transfer of serum from the 1st week onwards from infections with 1000 eggs however could confer significant protection. dilutions of ... | 1978 | 670675 |
| immunoglobulins associated with passive transfer of resistance to taenia taeniaeformis in the mouse. | mice were found to be protected against taenia taeniaformis infection by passive transfer of serum collected from donors 28 days after infection. the protective activity resided exclusively in the first fraction of 7s immunoglobulins eluting from deae-cellulose at ph 5.8 with 0.05 m phosphate buffer. this fraction contained 7sgamma1 and 7sgamma2 immunoglobulins but no detectable gammaa, gammam or skin sensitizing activity. fractions containing 7sgamma 2 alone were ineffective in passive transfer ... | 1975 | 803917 |
| permeability studies on taeniid metacestodes: ii. antibody-mediated effects on membrane permeability in larvae of taenia taeniaeformis and taenia crassiceps. | incubation in immune rat serum (irs) was shown to increase the rate of absorption of 125i rnase-a but not 125i bsa by larvae of taenia taeniaeformis and t. crassiceps. this effect required a heat labile factor in serum, and partial activity could be restored in heat-treated irs by adding normal rat serum (nrs) as a source of complement. in addition, the effectiveness of irs in altering permeability was shown to be dependent on the concentration of functional complement. both live and dead larvae ... | 1977 | 859087 |
| [the efficacy of mebendazole and praziquantel on larval taeniids from mouse, rabbit and pig (author's transl)]. | the efficacy of mebendazole (janssen) and praziquantel (bayer) on cysticercus fasciolaris, c. tenuicollis resp. c. pisiformis was studied in 125 mice, 63 pigs and 30 rabbits. all mice were infected naturally with c. fasciolaris. the pigs were infected experimentally with 2000 resp. 5000 eggs of taenia hydatigena and the rabbits with 1500 eggs of taenia pisiformis. 8 weeks p.i. animals were divided into groups and received 25 mg/kg mebendazole or 50 mg/kg praziquantel on 5 consecutive days as wel ... | 1977 | 860324 |
| immunity in taeniasis-cysticercosis i. vaccination against taenia taeniaeformis in rats using purified antigen. | artificial immunization of rats against taenia taeniaeformis was studied using somatic antigen (som-ag) and excretory-secretory antigen (es-ag). it was found that both som-ag and es-ag stimulated immediate-type hypersensitivity and delayed-type hypersensitivity reactions of similar levels. antibody levels rose from the 2nd wk and peaked around the 6th and 7th wk. both igm and igg were detectable from the 2nd wk onwards, with igg at a considerably higher level compared to igm. it terms of protect ... | 1977 | 874421 |
| gastro-intestinal parasites of feral cats in new south wales. | a total of 146 feral cats from several localities in new south wales were examined for the presence of gastro-intestinal parasites. the cestodes recorded, and their prevalence, were taenia taeniaeformis (21.9%), spirometra erinacei (61.0%) and dipylidium caninum (11.6%). one animal contained 31 t. serialis scolices considered to be the contents of a recently ingested coenurus serialis. the common nematodes encountered and their prevalence were toxocara cati (21.9%) and ancylostoma spp (23.3%). u ... | 1976 | 962738 |
| the eosinophilic response of the rat to infection with taenia taeniaeformis. | rats were dosed with eggs of taenia taeniaeformis and hematologic parameters were measured throughout the course of primary infection. there was no evidence of anemia but differential leukocyte counts revealed distinct and reproducible patterns of white blood cell changes. a lymphocytosis developed at the end of the 1st and 5th weeks postinfection (p.i.). neutrophil counts peaked 8 days p.i., although at that time there was no marked neutrophilic infiltration of the tissues. eosinophil counts be ... | 1976 | 978361 |
| antibody-mediated secondary eosinophilic response to taenia taeniaeformis in the rat. | normal rats were given intravenous doses of either immune serum or immunoglobulin fractions 24 hr before oral challenge with 1,000 eggs of taenia taeniaeformis. total eosinophil counts per mm3 were performed for 3 days prior to and 6 days after challenge. sensitized rats usually showed sharp peaks of eosinophilia 2 to 6 days after this dose. the pattern of the eosinophilic response was similar to that which occurs after challenge of immune infected rats. the differences in peripheral eosinophil ... | 1976 | 978362 |
| internal parasites of feral cats from the tasmanian midlands and king island. | eighty-six feral cats from a sheep grazing area in the tasmanian midlands and 21 from king island were examined for internal parasites. major food items in order of decreasing prevalence in stomach contents were insects, lizards, birds, rodents and frogs in the midlands, and rodents, birds, insects, and lizards on king island. feral cats from the midlands had 4 cestode, 7 nematode, 2 trematode and 3 protozoan parasites as follows: spirometra erinacei (66.3%), taenia taeniaeformis (2.3%), dipylid ... | 1976 | 985246 |
| quantitative and qualitative analysis of helminth fauna in rattus rattus rufescens. | a helminthological survey of 149 house rats in jodhpur during the year 1975 revealed infection with 8 helminth species: 4 cestodes, vampirolepis fraterna, hymenolepis diminuta, mathevotaenia symmetrica and taenia taeniaeformis (larval stage); 3 nematodes, aspiculuris pakistanica, rictularia ratti and syphacia sp. and one acanthocephalan, moniliformis sp. vampirolepis fraterna, h. diminuta and a. pakistanica were most common, r.ratti and m. symmetrica less frequent, and t. taeniaeformis, syphacia ... | 1976 | 987094 |
| changes in hookworm distribution in surinam. | during the months may-july, 1974, a follow-up investigation was carried out on hookworm infections in dogs and cats in order to study changes in the hookworm distribution in surinam since 1967. fifty-two cats and 152 dogs were examined for the presence of helminths in the oesophagus, small intestine, coecum and heart. in total 15,942 helminths were isolated; most of these (14,006) were hookworms belonging to the species ancylostoma caninum, a. tubaeforme, a. ceylanicum and a. braziliense. the av ... | 1976 | 987625 |
| first record of strobilocercus fasciolaris (taenidae-larvae) in man. | a sperical cyst containing a coiled cestode larva was found in the liver of a 77-year-old man at post-mortem examination. the parasite was determined as strobilocercus fasciolaris, i.e., the larval stage of hydatigera taeniaeformis. this is the first record of a larvocyst of this species in man. characteristics of the morphology and measurements are given. records of adult forms in definitive hosts and of larvocysts in intermediate hosts are discussed. | 1976 | 1010491 |
| the refractory responses of the white swiss strain of mus musculus to infection with taenia taeniaeformis. | | 1976 | 1010673 |
| the fate of taenia taeniaeformis oncospheres in normal and passively protected rats. | | 1975 | 1112634 |
| morphological changes in cysticerci of taenia taeniaeformis after mebendazole treatment. | the progressive micromorphological changes in taenia taeniaeformis cysticerci, induced by a single parenteral treatment of the infected mice with mebendazole, are described. the time-related alterations concerned the tegument and tegumental cells and were successively: disappearance of microtubules, accumulation of secretory substances in the golgi areas, decrease in number to complete loss of microtriches, "ballooning" of all tegumental cells with subsequent burst, vacuolization and degeneratio ... | 1975 | 1185423 |
| the immunological response of the rat to infection with taeniaeformis. iv. immunoglobulins involved in passive transfer of resistance from mother to offspring. | weanling rats born of mothers infected with taenia taeniaeformis were found to be passively protected against homologous challenge. cross-fostering of normal suckling rats onto immune mothers established that passive transfer occurred via the colostrum and milk. immunoglobulin fractions containing gammaa from immune colostrum were fed to 12-14-day-old rats for 4 days via stomach tube. significant passive protection against challenge with t. taeniaeformis was achieved with gammaa from one of thre ... | 1975 | 1201859 |
| the immunological response of the rat to infection with taenia taeniaeformis. v. sequence of appearance of protective immunoglobulins and the mechanism of action of 7sgamma2a antibodies. | passive transfer of immunity to taenia taeniaeformis was achieved with serum taken 14, 21, 49 and 63 days after infection. the protective capacity of serum collected at 14 and 21 days resided in the 7sgamma2 immunoglobulins and appeared to be partics the infection progressed the range of chromatographic fractions showing protective capacity was extended to all those containing 7sgamma2 and 7sgamma1 immunoglobulins. fractions enriched for gammam did not confer protection. immune serum containing ... | 1975 | 1201860 |
| incorporation of calcium into the soft tissues and calcareous corpuscles of larval taenia taeniaeformis. | larval taenia taeniaeformis in vivo accumulates 45ca2+ in soft tissues and calcareous corpuscles. radioactivity was demonstrable in the corpuscles six months after a single dose of 45ca2+ was administered to the host by means of a stomach tube. ca2+ also was taken up by isolated larvae. accumulation in vitro was more rapid then in vivo and was correlated with the external ca2+ concentration. temperature variation, oxygen availability, and metabolic inhibitors had little effect on the ca2+ uptake ... | 1975 | 1220360 |
| the role of cell-mediated immunity in taenia taeniaeformis infections. | a functional cell mediated immunity (cmi) response was recorded in rats experimentally infected with taenia taeniaeformis larvae. the presence of cmi was manifested in the delayed type hypersensitivity (dth) reaction recorded between 12 hours and 24 hours on elicitation with antigen. the time course of the immediate type hypersensitivity (ith) over 10 weeks showed 2 peaks around the 2nd and the 6th weeks of infection, whereas the dth response was generally weaker and more uniform over the same t ... | 1975 | 1226534 |
| immunological response of the rat to infection with taenia taeniaeformis: protective antibody response to implanted parasites. | | 1976 | 1279080 |
| [the helminth fauna of red foxes (vulpes vulpes linnaeus 1758) in north hesse and east westphalia. 1. cestodes]. | between november 1989 and june 1990 a total number of 397 foxes were examined for the presence of cestodes. the animals came from the districts of arnsberg, detmold and kassel. in 16.4% of the foxes infections with echinococcus multilocularis were found, in 28.5% taenia crassiceps, in 14.4% taenia polyacantha, in 4.3% mesocestoides spp., in 3.3% multiceps multiceps, in 2.5% hydatigera taeniaeformis, in 0.8% taenia hydatigena and in 0.3% taenia martis. infections with echinococcus multilocularis ... | 1992 | 1396164 |
| alterations in metabolic activity of cysticercus fasciolaris on some anthelmintic treatments. | effect of candidate compounds 81-470 i.e. methyl [5[4-(2-pyridinyl)-1-piperazinyl]carbonyl]-1h-benzimidazole-2-yl]- carbamate and 86-162 i.e. methyl-5(6)-(alpha-hydroxyphenyl methyl) benzimidazole-2-carbamate along with reference drugs mebendazole and praziquantel on energy metabolism of c. fasciolaris recovered from rats treated with single dose of 500 mg/kg, ip was investigated. all the drugs significantly lowered the rate of uptake of glucose and alanine by the parasite. suppression in the fo ... | 1992 | 1459601 |
| seasonal prevalence of taenia taeniaeformis: relationship to age, sex, reproduction and abundance of an intermediate host (peromyscus maniculatus). | livers from 4,501 deer mice (peromyscus maniculatus) collected from a weedy habitat in northeastern california during 48 consecutive monthly samplings were examined microscopically for taenia taeniaeformis larva. although there were pronounced seasonal fluctuations in host density, there were no significant annual or season-related differences in cestode intensities in adult deer mice. there were no significant differences in prevalences associated with sex of the host, nor were there significan ... | 1992 | 1548801 |
| responses to larval taenia taeniaeformis in mice with severe combined immunodeficiency (scid). | responses to taenia taeniaeformis infection were studied in mice with severe combined immunodeficiency (scid), which lack functional t and b lymphocytes. in the early phase of infection, accumulation of polymorphonuclear leucocytes (pml) occurred around the larvae in the liver of scid mice and their immunocompetent counterparts, c.b-17, (a balb/c strain, genetically resistant to this parasite). pml accumulation continued until encapsulation of developing larvae by fibroblasts (14 days p.i.), and ... | 1992 | 1594300 |
| substituted methyl benzimidazole carbamate: efficacy against experimental cysticercosis. | methyl [5-([4-(2-pyridinyl)-1-piprazinyl] carbonyl)-1h benzimidazole-2-yl] carbamate, a broad spectrum anthelmintic, was tested against cysticercus fasciolaris in rats and the cysticercoids of hymenolepis nana in beetles. a dose of 50 mg kg-1, given intraperitoneally (i.p.) to infected rats on 10 alternate days, was found most effective, killing all mature cysticerci. the same dose, given on each of five days, either from the fifth day prior to infection or the sixth day following infection, ful ... | 1992 | 1616395 |
| phenotypic changes in hepatic mast cells accumulating around the metacestodes of taenia taeniaeformis in rats. | staining properties, kinetics and degranulation of the hepatic mast cells (hmc) accumulating around the metacestodes of taenia taeniaeformis in the liver of rats were studied. two different types of hmc, designated as type i and type ii, could be classified according to histochemical properties and response to compound 48/80. type i cells resembled mucosal mast cells (mmc), whereas type ii did not. hmc, mostly type i, were observed from day 14 postinfection (pi), while type ii were seen only fro ... | 1991 | 1705806 |
| vaccination against taenia taeniaeformis infection in rats using a recombinant protein and preliminary analysis of the induced antibody response. | primary screening of a cdna expression library of taenia taeniaeformis oncospheres in lambda gt11 bacteriophage was carried out using rabbit anti-t, taeniaeformis oncosphere serum affinity-purified from oncosphere pellets. from approximately 1.6 x 10(5) plaques, 21 single clones that were positive with the affinity-purified antibodies were isolated. sibling analysis revealed that 17 clones out of the 21 could be assigned to five different antigen families. only family 1 was strongly recognized b ... | 1991 | 1826341 |
| hymenolepis nana: immunity against oncosphere challenge in mice previously given viable or non-viable oncospheres of h. nana, h. diminuta, h. microstoma and taenia taeniaeformis. | when mice, previously given oral inoculation with viable oncospheres of the heterologous cestode species (hymenolepis diminuta, h. microstoma, taenia taeniaeformis) and the homologous one (h. nana), were challenged with oncospheres of h. nana 4 days after the primary inoculation, they showed strong and complete resistance to h. nana challenge, respectively. however, the resistance was not evoked in mice given either infective eggs of toxocara canis or non-viable oncospheres of all cestode specie ... | 1991 | 1869358 |
| helminth and protozoan parasites in dogs and cats in belgium. | this study investigates the level of helminthic and protozoal infestation over the last 10 years in strays, well-cared-for dogs and cats. determination of the prevalence of infections was based either on faecal examination or on worm counts at necropsy. of 2324 faecal flotations (nacl sp.gr. 1.20) of stray dogs, 34.2% had eggs or proglottids of one or more worm species consisting of toxocara canis (17.4%), toxascaris leonina (10.1%), uncinaria stenocephala (11.4%), trichuris vulpis (7.0%) and ce ... | 1991 | 2024431 |
| molecular cloning of taenia taeniaeformis oncosphere antigen genes. | infection of mice with the cestode taenia taeniaeformis exhibits several important features common to other cestode infections, including the ability to vaccinate with crude antigen mixtures. partial purification of the protective oncosphere antigens has been reported with a cutout from deoxycholate (doc) acrylamide gels; this cutout was called fraction ii (fii), and comprises approximately 10% of total doc-soluble oncosphere antigen. western blots of doc gels probed with anti-fii antisera revea ... | 1991 | 2052033 |
| infectivity of eggs of taenia taeniaeformis after anaerobic digestion of sewage sludge--a possible model for taenia saginata egg resistance. | | 1990 | 2080783 |
| differential diagnosis of taenia saginata and taenia solium with dna probes. | a size selected genomic dna library was constructed using dna extracted from taenia saginata. the dna was digested using the restriction enzyme ecor1 under star conditions and the 2-4 kbase fraction, selected following sucrose density-gradient separation, was cloned in the bacteriophage lambda gt 10. a panel of cestode dnas including taenia saginata, taenia solium, taenia taeniaeformis, taenia crassiceps, echinococcus granulosus and dnas of bovine, porcine and human origin were used in conjuncti ... | 1990 | 2141926 |
| effect of depletion of l3t4+ cells on resistance to early primary infection of mice with taenia taeniaeformis. | the role of l3t4+ t lymphocytes in early primary infection with the metacestode of t. taeniaeformis was investigated by selective removal of these cells in vivo by parenteral injections with the rat monoclonal antibody (mab) gk1.5 directed against the l3t4 molecule. comparisons between treated and non-treated balb/cbyj mice, normally resistant to infection with t. taeniaeformis, demonstrated that the treated mice had a greater percentage of viable parasites in the livers. eosinophils were promin ... | 1990 | 2146233 |
| taenia taeniaeformis: evasion of complement-mediated lysis by early larval stages following activation of the alternative pathway. | activation of the alternative pathway of complement by t. taeniaeformis oncospheres and early stage metacestodes, although a factor in host defense against primary infection, does not directly lead to the killing of the parasite larvae observed prior to day 6 post-infection in innately resistant balb/cbyj inbred mice. immunogold labelling techniques clearly demonstrated tegument-associated c3 on in vitro-activated oncospheres incubated with non-immune mouse sera. however, c5, a protease necessar ... | 1990 | 2228422 |
| effects of larval tapeworm (taenia taeniaeformis) infection on reproductive functions in male and female host rats. | this report examined the effects of larval tapeworm infection on the reproductive functions in both male and female host rats. female rats were matched by age, then randomly assigned to control and treatment groups (infected with larval tapeworms). estrous cycles were determined by vaginal smear with 95% of the control group exhibiting 4-day normal cyclicity and only 55% of the treated group exhibiting normal cycles. female fertility was then evaluated for the normally cycling rats based on the ... | 1990 | 2311716 |
| stage-specific immunity to taenia taeniaeformis infection in mice. a histological study of the course of infection in mice vaccinated with either oncosphere or metacestode antigens. | the course of taenia taeniaeformis infection in mice previously vaccinated with antigens prepared from either oncosphere (tto) or metacestode (ttm) was followed by histological examination of livers from mice killed at various times post-infection (p.i.). distinctly different immune responses occurred in the two groups. very few cysts were seen at any stage of infection in tto-vaccinated mice and most of those which were present appeared histologically similar to cysts in control mice. in ttm-va ... | 1990 | 2320379 |
| taenia taeniaeformis: inactivation of metacestodes by gossypol in vitro. | gossypol, a natural biphenyl compound inhibits taenia taeniaeformis metacestode development in vivo. in this paper, the direct effect of gossypol on metacestodes was examined. within 24 hr of incubation at 37 degrees c in greater than or equal to 10(-5) m gossypol, shedding of the tegument from the surface of the metacestodes was observed. there was a significant decrease in [3h]thymidine uptake by t. taeniaeformis in greater than or equal to 10(-5)m gossypol. in addition, nadh lactate dehydroge ... | 1990 | 2373186 |
| anthelmintic profile of methyl 5(6)-(4-methylpiperidin-1-yl) carbonylbenzimidazole-2-carbamate in experimental helminthiases. | biological evaluation of methyl 5(6)-(4-methylpiperidin-1-yl) carbonylbenzimidazole-2-carbamate against ancylostoma ceylanicum, nippostrongylus brasiliensis, syphacia obvelata, hymenolepis nana, h. diminuta and cysticercus fasciolaris in experimental animals is reported. the compound (mg/kg) causes 100% elimination of a. ceylanicum (25 x 1), n. brasiliensis (100 x 1), s. obvelata (50 x 1), h. nana (250 x 3) and c. fasciolaris (50 x 10). it was also effective against the developing larvae (l3, l4 ... | 1990 | 2401522 |
| taenia taeniaeformis: early inflammatory response around developing metacestodes in the liver of resistant and susceptible mice ii. histochemistry and cytochemistry. | female balb/cj (resistant), c3h/hej (intermediate resistant), and c3h/hedub (susceptible) inbred mice, 4-5 wk old, were infected with taenia taeniaeformis. liver sections were stained for the enzymes acid phosphatase, beta-glucuronidase, and peroxidase. eosinophils present around the parasite were identified by the ethanolic congo red method. possible gross changes in lipid metabolism in the hepatocytes surrounding the parasite were investigated with the sudan black b method. the results of obse ... | 1987 | 2443633 |
| taenia saginata and taenia solium: reciprocal models. | taenia solium and taenia saginata are of such close taxonomic relationship that each can be regarded as a model for the other. in these particular species the only available hosts are either humans or large domesticated animals. this has imposed severe safety and/or economic restrictions on the extent of the experimental work which could be attempted. furthermore, there is a limit to the relevance of work with less closely related species such as taenia ovis, taenia taeniaeformis and taenia pisi ... | 1989 | 2488993 |
| ethanol-induced gastric mucosal damage in the rat with taenia-stimulated hypertrophic gastropathy. | the susceptibility to ethanol-induced lesions was studied in rats with experimental hypertrophic gastropathy, in order to examine the nature of gastric mucosal resistance in this condition. acute erosions were induced by a standard per os method of administration with graded concentrations of ethanol; underlying mucosal hypertrophic gastropathy was induced by infection with taenia taeniaeformis. the gastric mucosal content of histamine and serotonin was also assessed. hypertrophic gastropathy wa ... | 1989 | 2491153 |
| methyl 5(6)-(alpha-hydroxyphenyl methyl) benzimidazole-2-carbamate and cysticercosis: chemotherapeutic and electron microscopic studies. | methyl 5(6)-(alpha-hydroxyphenyl methyl) benzimidazole-2-carbamate, a major metabolite of mebendazole was evaluated against cysticercus fasciolaria (larval form of taenia taeniaeformis) in rats. the metabolite was assessed in various doses. a regimen of 50 mg/kg x 10 (ip), given one day apart, was found to be most effective and killed all the mature cysticerci. on developing cysts, the treatment was initiated in two schedules; 5 days prior to (d-5 to d-1) and 5 days after (d + 6 to d + 10) admin ... | 1989 | 2599555 |
| a survey of helminths in domestic cats in the pretoria area of transvaal, republic of south africa. part 1: the prevalence and comparison of burdens of helminths in adult and juvenile cats. | the helminths found in 1,502 necropsied cats were examined. the findings indicated that 65% of the cats were infested. the most prevalent helminths encountered were ancylostoma tubaeforme (41%), ancylostoma braziliense (25%), dipylidium caninum (23%), toxocara cati (11%), taenia taeniaeformis (7.7%), ancylostoma caninum (3.3%), joyeuxiella fuhrmanni (2.5%), ancylostoma ceylanicum (1.4%), and physaloptera praeputialis (1.3%). the following helminths were recorded in fewer than 1% of the cats: cen ... | 1989 | 2634770 |
| evidence for selective incorporation of host immunoglobulin by strobilocerci of taenia taeniaeformis. | strobilocerci of taenia taeniaeformis were obtained from laboratory rats 90 days after experimental infection. cyst fluid, whole parasite homogenate, and rat serum each were fractionated by sds-page, immobilized on nitrocellulose by western blot, and probed with conjugated goat anti-rat igg. reactive bands with relative mobilities corresponding to rat igg were found in all 3 samples. additional bands in cyst fluid and parasite homogenate may represent enzymatic degradation of igg. the pattern of ... | 1989 | 2760776 |
| epsiprantel, a new tapeworm remedy. preliminary efficacy studies in dogs and cats. | the anthelmintic potential of epsiprantel, 2-(cyclohexylcarbonyl)-4-oxo-1,2,3,4,6,7,8,12b-octahydropyrazin [2,1-a] [2]benzapine, was revealed using the tapeworms dipylidium caninum and taenia taeniaeformis in the cat, and taenia pisiformis and t. hydatigena in the dog. subsequent controlled tests in cats demonstrated oral efficacy of 100% against d. caninum with a single dose of 2.5 mg/kg. although consistently 100% effective against t. taeniaeformis at 5 mg/kg, a single worm was found in one ca ... | 1989 | 2775987 |
| taenia taeniaeformis: inhibition of mitogen induced proliferation and interleukin-2 production in rat splenocytes by larval in vitro product. | splenocytes from rats infected with taenia taeniaeformis showed an early decreased proliferative response to the mitogen concanavalin a with larval growth. when larvae culture supernatant (in vitro product) was added to normal rat splenocytes, there was a decrease in the proliferative response to concanavalin a and phytohemagglutinin. the ability of infected rat splenocytes to produce interleukin-2 was decreased with larval growth. addition of in vitro product to culture medium significantly dep ... | 1986 | 2943603 |
| studies on stage-specific immunity against taenia taeniaeformis metacestodes in mice. | the possible existence of stage-specific immune responses to taenia taeniaeformis infection was investigated in c3h/he mice vaccinated with antigens prepared from either the oncosphere or metacestode stages. mice were immunized twice, 2 weeks apart, with antigen in freund's complete adjuvant. two weeks after the second immunization they were challenged with 250 t. taeniaeformis eggs and killed day 0, 5, 10, 15, 20, 25, 30, 45 and 60 after infection. gross examination of the livers revealed marke ... | 1988 | 2970614 |
| taenia taeniaeformis: cellular reconstruction of athymic mice and role of l3t4+ helper t lymphocytes in the early infection. | the role of t helper lymphocytes (l3t4+) in the early response to taenia taeniaeformis metacestodes was investigated. athymic balb/c-nu/nu mice (susceptible) were inoculated intraperitoneally with the following cell populations from congenic balb/c-nu+ + mice (resistant): (a) whole spleen single cells, (b) thymus single cell suspensions, or (c) spleen cells pretreated with anti-l3t4 monoclonal antibody before the injection. the mice were given 3 weekly injections of cells and then infected orall ... | 1988 | 2973522 |
| taenia taeniaeformis: immunoperoxidase localization of metacestode culture product(s) in hyperplastic gastric mucosa. | rats infected with the hepatic metacestode taenia taeniaeformis develop an extraordinary gastric hyperplasia. indirect immunoperoxidase staining localized larval in vitro excretory secretory product specifically in the supranuclear cytoplasm of the epithelial cells lining the pits and glands in the hyperplastic gastric mucosa. the accumulation of this substance in the stomach epithelial cells may be relevant to the gastric hyperplasia induced by tapeworm infection. | 1986 | 3082661 |
| intestinal helminthic infections of cats in calabar, nigeria. | a study of intestinal helminthic infections of 52 cats (felis catus) was undertaken in calabar, nigeria. direct smear and zinc sulphate floatation technique were utilized. the following helminths were observed: toxocara cati (28.85%), ancylostoma tubaeforme (19.23%), trichuris felis (5.77%), dipylidium caninum (23.08%) and taenia taeniaeformis (9.61%). the worm burdens were generally low, ranging from 2 to 20 per cat. no definite pattern of infection was observed with regard to sex. trematodes w ... | 1988 | 3169644 |
| activation of the alternative pathway of complement by larval taenia taeniaeformis in resistant and susceptible strains of mice. | | 1988 | 3170069 |
| cross-resistance between taenia taeniaeformis and hymenolepis nana infections in c3h/he mice. | | 1988 | 3170077 |
| taenia taeniaeformis: early inflammatory response around developing metacestodes in the liver of resistant and susceptible mice i. identification of leukocyte response with monoclonal antibodies. | female balb/cj (resistant), c3h/hej (intermediate resistant), and c3h/hedub (susceptible) inbred mice, 4-5 wk old, were infected with taenia taeniaeformis. liver sections were stained by an immunoperoxidase technique (avidin-biotin complex, abc) for the differentiation antigens lyt-1, lyt-2, mac-1, mac-2, mac-3, and b220. binding of abc to the cytoplasm of hepatocytes around the developing parasite was observed at 4 days postinfection (pi) in all 3 strains of mice, persisting in balb/cj and c3h/ ... | 1987 | 3309243 |
| hematology, intestinal parasites, and selected disease antibodies from a population of bobcats (felis rufus) in central arkansas. | eight bobcats with adjoining or overlapping home ranges were examined. hematological values were within previously reported ranges. six bobcats demonstrated antibody titers to toxoplasma gondii. isospora spp., taenia taeniaeformis, spirometra mansoides, physoloptera rara, toxocara cati, strongyloides spp., trichurus spp., capillaria spp., and ancyclostoma spp. were found also in the animals examined. the mean number of parasite species per host was 4.1. all bobcats tested negative for serum anti ... | 1988 | 3352091 |
| cyclic and non-cyclic dynamics in populations of the helminth parasites of wood mice, apodemus sylvaticus. | two populations of apodemus sylvaticus, one in deciduous woodland and another in coniferous forest in co. down, northern ireland, were trapped at monthly intervals over 33 months. the dynamics, reproduction and age structure of the mouse populations differed between years with over a 40 fold range of population size. nine species of helminths were recovered from the alimentary tract and associated organs of the mice. the prevalence and mean worm burden of the cestodes, catenotaenia lobata, hymen ... | 1988 | 3372984 |
| [characteristics of the effect of exometabolites of the cysticerci of the cat tapeworm hydatigera taeniaeformis on fibroblasts in organ cultures]. | the influence of the cestode h. taeniaeformis cysticercus exometabolites on the fibroblasts of their capsule in organ culture was studied. half of explants were cultured in the presence of cestodes (the ratio between the parasite body weight and the cultural medium volume being 1:10 g/ml). after 2-30 days of cultivation the explants were examined by histological, histoautoradiographic and electron microscopic methods. the influence of cysticercus exometabolites on the culture resembled that of t ... | 1987 | 3438936 |
| interleukin inhibition by a parasite proteinase inhibitor, taeniaestatin. | a proteinase inhibitor, taeniaestatin, isolated from the larval stage of the cestode taenia taeniaeformis inhibits endogenous il 2 generation in murine lymphocytes and il 1 induced proliferation of murine thymocytes in a dose-dependent manner. however, taeniaestatin does not inhibit exogenous il 2-induced proliferation of an il 2-dependent cell line at any dose tested. these data indicate that the lack of il 2 generation may be due in part to inhibition of a crucial cell-associated proteinase su ... | 1986 | 3489773 |
| evaluation of spleen lymphocyte responsiveness to a t-cell mitogen during early infection with larval taenia taeniaeformis. | the effect of taeniid infection on the in vitro cellular response of the host was investigated. infections of taenia taeniaeformis decreased the ability of spleen cells from susceptible c3h/he mice to respond to the t-cell mitogen concanavalin a (con a) as early as 2 days postinfection (pi) reaching a suppression peak at day 12 pi. similar experiments performed with spleen cells from infected balb/c mice, resistant to the infection, revealed little or no suppression of con a stimulation. the res ... | 1987 | 3495795 |
| isolation and partial characterization of an eosinophil chemotactic factor from metacestodes of taenia taeniaeformis (ecf-tt). | eosinophil chemotactic activity associated with protein extracts of taenia taeniaeformis metacestodes was investigated. chemotactic activity was associated with the nonbound protein after qae cellulose chromatography of a 3 m kcl extract of homogenized larvae. when this material was precipitated with ammonium sulfate, activity was present in the 40 to 80% precipitate. upon rechromatography on qae cellulose equilibrated in a low ionic strength buffer, eosinophil chemotactic activity was retained ... | 1986 | 3512706 |
| a review of eosinophil chemotaxis and function in taenia taeniaeformis infections in the laboratory rat. | the eosinophil has long been associated with diseases of acute hypersensitivity and with parasite infections, but its exact role in the pathogenesis of these conditions remains uncertain. characterization of factors associated with migration of eosinophils into tissues has helped to elucidate eosinophil function. eosinophil chemotactic factors associated with acute hypersensitivity reactions include the eosinophil chemotactic factors of anaphylaxis, histamine, and arachidonic acid metabolites, a ... | 1986 | 3518212 |
| immunization against taenia taeniaeformis in mice: identification of oncospheral antigens in polyacrylamide gels by western blotting and enzyme immunoassay. | | 1986 | 3528005 |
| immunoglobulin class responses to taenia taeniaeformis in susceptible and resistant mice. | the immunoglobulin class response of two inbred strains of mice, c57bl/6 and c3h/he, to infection and challenge with taenia taeniaeformis larvae was compared using the enzyme-linked immunosorbent assay and gel electrophoresis followed by immunoelectrotransfer blot (western blotting) techniques. the c57bl/6 mice, which are relatively resistant to infection, had a more restricted humoral response than the more susceptible, c3h/he mice. c3h/he mice produced a wider range of immunoglobulin classes, ... | 1986 | 3534694 |
| immunochemical analysis of taenia taeniaeformis antigens expressed in escherichia coli. | previously we reported the isolation of several escherichia coli clones expressing fragments of taenia taeniaeformis antigens as beta-galactosidase fused proteins (bowtell, saint, rickard & mitchell, 1984). here we describe the isolation of additional antigen-expressing clones from a larval cdna library and the assignment of these clones to 7 antigen families. these were isolated with a polyspecific rabbit antiserum raised to the oncosphere. since this serum was capable of reacting with a large ... | 1986 | 3540818 |
| inhibition of equine neutrophil chemotaxis and chemokinesis by a taenia taeniaeformis proteinase inhibitor, taeniaestatin. | taeniaestatin, a recently isolated taenia taeniaeformis proteinase inhibitor, was used to inhibit equine neutrophil migration. taeniaestatin itself was not chemotactic when used as a chemotactic factor but taeniaestatin did inhibit neutrophil chemokinesis when tested in a zigmond-hirsch checkerboard assay. a dose-dependent inhibition of both chemokinesis and chemotaxis was observed when zymosan activated bovine sera (zabs) was used as the chemotactic factor. this inhibition was greater than 95% ... | 1987 | 3574975 |
| anthelmintic efficacy of ivermectin in naturally parasitized cats. | ivermectin was administered per os [( po]; n = 15) or subcutaneously [( sc]; n = 3) to naturally parasitized cats at 10 (n = 6), 100 (n = 6), or 300 (n = 6) micrograms/kg of body weight. nontreated control cats were given sterile isotonic saline solution po (n = 5) or sc (n = 1). qualitative fecal examinations were performed on each cat 1 day before treatment and 14 days after treatment. cats were euthanatized 14 days after treatment, at which time parasites from the gastrointestinal tracts were ... | 1987 | 3592364 |
| intestinal helminths of cats in the kainji lake area, nigeria. | six parasitic helminths detected were ancylostoma sp., opisthorchis felineus, toxocara mystrax, hepaticola hepatica, taenia sp. and hydatigera taeniaeformis. the prevalence of h. hepatica, t. mystrax and h. taeniaeformis is associated with rodents hunted by cats, and that of o. felineus with fish fed to cats. the role of cats as primary host and reservoir for these helminths, which could be of zoonotic importance, is briefly mentioned. | 1986 | 3716201 |
| taenia taeniaeformis in mice: passive transfer of protection with sera from infected or vaccinated mice and analysis of serum antibodies to oncospheral antigens. | | 1986 | 3744671 |
| anthelmintic efficacy of febantel combined with praziquantel against ancylostoma tubaeforme, toxocara cati, and taenia taeniaeformis in cats. | forty cats, each harboring 2 or 3 parasitic infections (ancylostoma tubaeforme, toxocara cati, and/or taenia taeniaeformis), were used to titrate the anthelmintic efficacy of a paste containing 3.4% febantel and 0.34% praziquantel. the cats were allotted into 4 groups (10 cats/group). for 3 consecutive days, the cats were given febantel/praziquantel at 5/0.5 mg/kg/day, 10/1 mg/kg/day, 15/1.5 mg/kg/day, or a blank paste vehicle (control) at 0.29 g/kg of body weight. the recommended dosage of 10 m ... | 1986 | 3767110 |
| [effect of exometabolites of the cysticercus hydatigera taeniaeformis on fibroblasts in the organ culture of the connective tissue capsule]. | | 1986 | 3803191 |
| [gastrointestinal parasitic fauna of cats in the cities of bologna, florence and milan]. | the results of a parasitological survey carried out on 116 cats found dead in bologna, firenze and milano was reported. the parasites identified were: toxocara cati (49.1%); toxascaris leonina (3.4%); ancylostoma tubaeforme (9.5%); ollulanus tricuspis (3.4%); dipylidium caninum (41.4%); taenia taeniaeformis (11.2%); mesocestoides lineatus (1.7%); spirometra sp. (0.9%); coccidia (12.9%). the autopsies' results were compared with coprological ones in order to assess their reliability. | 1985 | 3870646 |
| taenia taeniaeformis: inhibition of metacestode development in the rat by gossypol. | the effect of gossypol, a polyphenolic compound, on developing taenia taeniaeformis larvae in the rat liver was examined. five groups of rats were used. in group 1, subcutaneous injection of gossypol at 10 mg/kg was started 5 days prior to administration of tapeworm eggs. in group 2, gossypol injections were started 5 days after administration of eggs. groups 3 and 4 were infected and noninfected rats, respectively, which received the vehicle (10% ethyl alcohol in 0.85% nacl) only. group 5 rats ... | 1986 | 3956677 |
| a superoxide dismutase of metacestodes of taenia taeniaeformis. | superoxide dismutase was purified from taenia taeniaeformis metacestodes by sequential ion exchange chromatography on quaternary-amino-ethyl-cellulose, gel filtration chromatography on aca 44 and ion exchange chromatography on deae-cellulose, followed by chromatofocusing on polybuffer exchanger 94. this isolation procedure resulted in the detection of a single protein-staining band on alkaline gels, coincident with enzyme activity. we have, however, detected what appear to be two peaks of enzyme ... | 1986 | 3960056 |
| taenia taeniaeformis: inhibition of rat testosterone production by excretory-secretory product of the cultured metacestode. | in 3- to 5-month-old male sprague-dawley rats infected with the hepatic metacestode, taenia taeniaeformis, the serum testosterone level was significantly lower than in comparable uninfected controls. by transmission electron microscopy, testicular leydig cells of infected rats had less smooth endoplasmic reticulum than control leydig cells. cultured metacestodes isolated from the hepatic cysts secreted or excreted substances into the incubation medium. the effect of the excretory-secretory produ ... | 1985 | 3996527 |
| hepatic mast cells in rats infected with taenia taeniaeformis. | | 1985 | 3997351 |
| morphological studies on the early development of taenia taeniaeformis larvae in susceptible mice. | | 1985 | 4030211 |
| damage and early destruction of taenia taeniaeformis larvae in resistant hosts, and anomalous development in susceptible hosts: a light microscopic and ultrastructural study. | | 1985 | 4030212 |
| [quinolylhydrazones with potential antimicrobial and antiparasitic activity]. | quinolinehydrazones prepared by condensation of hydrazinoquinolines with 1-phenyl-2,5-dimethyl-3-pyrrolcarboxaldehyde, 2-chloro-4-dimethylaminobenzaldehyde and 2,6-dichlorobenzaldehyde are described. all compounds were tested in vitro for antimicrobial activity, the results obtained are shown and discussed. the quinolinehydrazones of the 1-phenyl-2,5-dimethyl-3-pyrrolcarboxaldehyde were tested in vivo against hymenolepis nana and taenia taeniaeformis and proved inactive. | 1985 | 4043372 |
| ultrastructural localization of alkaline phosphatase in the eggs of hydatigera taeniaeformis (taenia taeniaeformis). | freshly shed gravid proglottids from a three-month-old infection of hydatigera taeniaeformis collected from the faecal droppings of infected cats were used for this study. they were treated for transmission electron microscopy (tem) followed by incubation using the lead precipitate method. control sections were incubated in a substrate-free medium, a substrate medium containing 1.0 mm sodium fluoride (naf) (an inhibitor), and the last sections were denatured at 90 degrees c for 1 min prior to in ... | 1985 | 4075852 |
| anthelmintic efficacy of flubendazole paste against nematodes and cestodes in dogs and cats. | small dogs and cats, naturally infected with nematodes and cestodes, were used in a critical test under laboratory conditions to determine the palatability and efficacy of flubendazole as a past formulation. subsequently, a control test in dogs was conducted under field conditions. a 4.4% past formulation was given at a dosage of 22 mg/kg of body weight once a day for 2 or 3 consecutive days. in a critical test in dogs, the efficacy against toxocara canis was 97.4% after a 2-day administration a ... | 1985 | 4083589 |
| the in vitro culture of taenia saginata and taenia taeniaeformis larvae from the oncosphere, with observations on the role of serum for in vitro culture of larval cestodes. | | 1972 | 4119941 |
| the immunological response of the rat to infection with taenia taeniaeformis. i. immunoglobulin classes involved in passive transfer of resistance. | | 1974 | 4213989 |
| the immunological response of the rat to infection with taenia taeniaeformis. ii. characterization of reaginic antibody and an allergen associated with the larval stage. | | 1974 | 4213990 |
| lung infection of rat with cysticercus fasciolaris. | | 1966 | 4224365 |
| histochemical differentiation of mucopolysaccharides in cyst and body-wall of cysticercus of taenia taeniaeformis. | | 1970 | 4254671 |
| mast cells in cyst-wall of hydatid cyst of taenia taeniaeformis (batsch). | | 1971 | 4255234 |
| interference of cysticercus fasciolaris in the formation of hepatic lesions in rats, induced by p-dimethylaminoazobenzene (dab). | | 1969 | 4323478 |