Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| [prevalence of helminths in dogs in the region of van and their potential public health significance]. | this study was performed in order to determine the prevalence of helminth infections among dogs and to emphasize the importance of this concept for public health. all selected dogs were from the city of van and a total of 115 fecal samples were examined. of these, 61 were from stray dogs, 26 were breeders and the final 28 dogs were dogs belonging to institutions. all samples were examined in the laboratory of the parasitology laboratory of the faculty of veterinary medicine, yuzuncu yil universi ... | 2006 | 17124658 |
| a 33-year-old man with a white pupil. | 2006 | 16983618 | |
| canine faecal contamination and parasitic risk in the city of naples (southern italy). | dogs are associated with more than 60 zoonotic diseases among which, parasitosis and, in particular, helminthosis, can pose serious public-health concerns worldwide. many canine gastrointestinal parasites eliminate their dispersion elements (eggs, larvae, oocysts) by the faecal route. the quantity of canine faeces deposited on public and private property in cities worldwide is both a perennial nuisance and an important health issue. public sites such as playgrounds, parks, gardens, public square ... | 2006 | 16995934 |
| [molecular techniques applied in species identification of toxocara]. | toxocarosis is still an important and actual problem in human medicine. it can manifest as visceral (vlm), ocular (olm) or covert (ct) larva migrans syndroms. complicated life cycle of toxocara, lack of easy and practical methods of species differentiation of the adult nematode and embarrassing in recognition of the infection in definitive hosts create difficulties in fighting with the infection. although studies on human toxocarosis have been continued for over 50 years there is no conclusive a ... | 2006 | 17007334 |
| distribution of toxocara infection in the environment and in definitive and paratenic hosts in estonia. | the aim of the study was to elucidate the distribution and possible transmission routes of toxocara spp. infection in estonia. out of 454 faecal and sand samples collected from park lawns and sandpits in the town of tartu, 19 were toxocara positive (4.2%). out of the 45 sandpit samples 17.8% were toxocara positive. cat faeces was found in 21 sandpit samples. parasitological necropsies were performed on 41 euthanised stray dogs and 27 cats in the tallinn dog home. additionally, 13 wild free-roami ... | 2006 | 17020143 |
| eosinophilic folliculitis in a caucasian patient: association with toxocariasis? | sterile eosinophilic folliculitis, a clinical entity first described by ofuji in 1970, is a rather rare skin disorder, in particular in the non-asian population. we report the first case of eosinophilic folliculitis associated with toxocariasis in a caucasian patient. topical and systemic anti-inflammatory and antiphlogistic therapy along with systemic antihelminthic treatment resulted in complete remission of the skin lesions. in addition, there was a marked decrease of antibodies to toxocara a ... | 2006 | 17062052 |
| elisa antibody determination in patients with anisakiosis or toxocariosis using affinity chromatography purified antigen. | one of the fundamental aspects of a parasitic infection diagnosis is the use of adequate antigens to develop specific and sensitive immunoassays. this fact is especially complicated in nematode infection cases because of the high cross-reactivity among different parasites in this group. we performed an evaluation of anisakis simplex antigens purified by affinity chromatography. we used sera from 38 patients diagnosed with anisakis sensitization and sera from 35 patients with clinical suspicion o ... | 2006 | 17063674 |
| [a case of the myelitis due to toxocara canis infection complicated with cervical spondylosis]. | a 59-year-old male had suffered from numbness of the hands for 7 months. with a diagnosis of cervical spondylosis, he had been treated conservatively at a nearby clinic. after he fell off his bicycle, the numbness intensified and limb weakness developed. cervical mri revealed spinal cord compression at the c4/5 and c5/6 levels due to cervical spondylosis with prominent edema in the spinal cord spreading from the c4 to c6 level. the edema was very serious. therefore, we suspected that the traumat ... | 2006 | 17087270 |
| intestinal nematode infections in turkish military dogs with special reference to toxocara canis. | the prevalence and potential zoonotic risk factors of intestinal nematodes of military working dogs, which are used for different military purposes, were assessed. faecal samples from 352 defined-breed turkish military dogs were investigated and 107 (30.4%) dogs were found to be infected with one or two nematode species. the following nematodes, with their respective prevalences, were diagnosed in the faecal samples: toxascaris leonina (21.8%), toxocara canis (13.3%), trichuris vulpis (2.9%) and ... | 2006 | 16923275 |
| anti-inflammatory, analgesic and anti-oedematous effects of lafoensia pacari extract and ellagic acid. | lafoensia pacari st. hil. (lythraceae) is used in traditional medicine to treat inflammation. previously, we demonstrated the anti-inflammatory effect that the ethanolic extract of l. pacari has in toxocara canis infection (a model of systemic eosinophilia). in this study, we tested the anti-inflammatory activity of the same l. pacari extract in mice injected intraperitoneally with beta-glucan present in fraction 1 (f1) of the histoplasma capsulatum cell wall (a model of acute eosinophilic infla ... | 2006 | 16945186 |
| related factors to human toxocariasis in a rural community of argentina. | the objective of this study was to evaluate the relationship between toxocariasis frequency and demographic, environmental, sanitary variables, eosinophylia, and other intestinal parasites in a rural population of argentina. serological examination of 100 individuals was carried out by using elisa technique for the detection of anti-toxocara antibodies. eosinophiles in peripheral blood, presence of intestinal parasites, and demographic, environmental, and socio-cultural data were evaluated. eigh ... | 2006 | 16951810 |
| a familial case of visceral larva migrans after ingestion of raw chicken livers: appearance of specific antibody in bronchoalveolar lavage fluid of the patients. | we report a familial case of visceral larva migrans (vlm) caused by toxocara canis larvae. patient 1 was a 45-year-old man who presented to our university hospital complaining of mild fever, general fatigue, and headache. patient 2 was a 71-year-old man and was the father of patient 1; he presented complaining of cough and hyper-viscous white sputum. laboratory data from both patients showed extensive eosinophilia, their chest x-ray findings revealed multiple pulmonary infiltrates, and their bro ... | 2006 | 16896137 |
| a study on intestinal helminthes of dogs, foxes and jackals in the western part of iran. | human infection especially with helminth parasites is an emerging health issue, as the human environment is increasingly shared with infected animals, either pets or wild life. in this survey, the intestinal content of 83 stray dogs, 22 red foxes and 10 golden jackals collected from the west azarbaijan, kordestan and kermanshah provinces in the west of iran, were studied for the presence of helminth parasites. the percentage of different species recovered from these animals is listed as follows: ... | 2006 | 16899340 |
| inflammatory destruction of elastic fibers in acquired cutis laxa is associated with missense alleles in the elastin and fibulin-5 genes. | cutis laxa (cl) is a condition characterized by redundant, pendulous, and inelastic skin. acquired cl has been reported in patients with inflammatory diseases. the goal of this study was to investigate whether genetic lesions predispose patients to the development of acquired cl. we report a patient who developed cl following a toxocara canis parasitism. he later had an aortic root aneurysm that required surgical correction. histological evaluation showed inflammation followed by destruction of ... | 2006 | 16374472 |
| coprological study on intestinal helminths in swiss dogs: temporal aspects of anthelminthic treatment. | coproscopic examination of 505 dogs originating from the western or central part of switzerland revealed the presence (prevalence data) of the following helminthes: toxocara canis (7.1%), hookworms (6.9%), trichuris vulpis (5.5%), toxascaris leonina (1.3%), taeniidae (1.3%), capillaria spp. (0.8%), and diphyllobothrium latum (0.4%). potential risk factors for infection were identified by a questionnaire: dogs from rural areas significantly more often had hookworms and taeniid eggs in their feces ... | 2006 | 16374614 |
| seroprevalence of toxocariasis in lebanon: a pilot study. | toxocariasis is a common helminthic infection that has a worldwide distribution. however, data from lebanon about the prevalence of this infection are non-existent. we conducted a toxocara seroprevalence study with 150 subjects attending the outpatient clinics at the american university of beirut medical center between may and june 2004. serum specimens were tested for anti-toxocara antibodies by enzyme-linked immunosorbent assay and confirmed by western blot. multivariate analysis was performed ... | 2006 | 16426480 |
| influence of toxocara canis infection during pregnancy on offspring resistance towards re-infection. | the impact of toxocara canis infection of balb/c mice mothers on the future immune response of their offspring towards reinfection with the same parasite was studied. two groups of offspring, the first originating from the mothers infected with a single dose of 1000 toxocara canis eggs and the second from non-infected mothers, were both challenged with 500 t. canis eggs per animal at 6 weeks of age. the proportions of spleen cd4+ and cd8+ t lymphocytes, the level of serum cytokines ifn-gamma and ... | 2006 | 16426482 |
| [pleural effusion and toxocariasis]. | 2006 | 16426549 | |
| visceral larval migrans masquerading as metastatic disease in a toddler with wilms tumor. | a 22-month-old girl with a renal mass had multiple small pulmonary nodules on ct at her initial presentation. after biopsy and neoadjuvant chemotherapy, a wilms tumor was resected and the pulmonary nodules were shown to have regressed on ct. follow-up imaging 4 months after initial diagnosis demonstrated multiple new liver lesions and new pulmonary nodules with peripheral eosinophilia. lung biopsy revealed granuloma formation with prominent eosinophils. the serum antibody titers for toxocara can ... | 2006 | 16432705 |
| evaluation of the dot enzyme-linked immunosorbent assay in comparison with standard elisa for the immunodiagnosis of human toxocariasis. | a dot enzyme-linked immunosorbent assay (dot-elisa) was standardized using excretory-secretory antigens of toxocara canis for the rapid immunodiagnosis of human toxocariasis. thirty patients with clinical signs of toxocariasis, 20 cases with other parasitic diseases, and 40 healthy subjects were tested. a total of 0.2 ng of antigen per dot, serum dilution of 1:160 and dilution conjugate of 1:1000 were found optimal. the sensitivity and specificity of the assay were 100 and 95%, respectively. com ... | 2006 | 16612511 |
| the occurrence of toxocara malaysiensis in cats in china, confirmed by sequence-based analyses of ribosomal dna. | non-isotopic polymerase chain reaction (pcr)-based single-strand conformation polymorphism and sequence analyses of the second internal transcribed spacer (its-2) of nuclear ribosomal dna (rdna) were utilized to genetically characterise ascaridoids from dogs and cats from china by comparison with those from other countries. the study showed that toxocara canis, toxocara cati, and toxascaris leonina from china were genetically the same as those from other geographical origins. specimens from cats ... | 2006 | 16636846 |
| toxocara canis larvae viability after disinfectant-exposition. | the effect of three routinely used disinfectants on the embryonary development of toxocara canis eggs was evaluated both in vivo and in vitro. in the in vitro experiment, t. canis eggs were treated with the ethanol, sodium hypochlorite, and one commercial mix of benzalconium chloride and formaldehyde, and the embryonary development was assessed. after a period of 24 days incubation, ethanol was the best disinfectant because it prevented the development of the t. canis larvae 2 in the eggs, and s ... | 2006 | 16639631 |
| [comparison between coproparasitological techniques for the diagnosis of helminth eggs or protozoa oocysts in dogs]. | in this study we evaluated the frequency of enteroparasites in pet dogs and their association with age, sex and breed, as well as the efficiency of the willis-mollay, faust, sedimentation and direct exam methods. by these methods we processed 401 fecal samples. the samples were positive in the following percentages: ancylostoma spp. (53.1%), toxocara canis (20.7%), cystoisospora ohioensis (15.7%), trichuris vulpis (3.7%), dipylidium caninum (2.5%) and taenia spp. (1.0%). toxocara canis (67.3%) a ... | 2006 | 16646994 |
| canine intestinal helminths in finland: prevalence, risk factors and endoparasite control practices. | in this survey, the prevalence of canine gastrointestinal helminths in finland was investigated by coprological examination (n = 541) and possible risk factors for helminth infections in dogs were analysed. in addition, the dog owners (n = 296) completed a questionnaire about use of anthelmintics, sources of information about parasites and antiparasitic treatments and reasons for choosing the drugs. the prevalence of gastrointestinal helminths was 5.9%. eggs from four different species were iden ... | 2006 | 16650936 |
| histamine modulates mast cell degranulation through an indirect mechanism in a model ige-mediated reaction. | histamine is released in inflammatory reactions and exerts an immunoregulatory function on cells present in the microenvironment. in this study, we compared the effect of histamine on degranulation of mast cells derived from animals bearing a parasitic infection with those from uninfected animals. peritoneal mast cells (pmc) were obtained 24 days after infection of wistar rats with toxocara canis. the degree of degranulation was assessed either morphologically or by measuring the release of beta ... | 2006 | 16703563 |
| pulmonary lesions associated with visceral larva migrans due to ascaris suum or toxocara canis: imaging of six cases. | objective: the objective of our study was to evaluate chest radiographic and ct findings of patients with pulmonary lesions associated with visceral larva migrans due to ascaris suum or toxocara canis. ct investigation was focused on the location, size, contour, and internal features of the lesions; migration of lesions; mediastinal lymphadenopathy; and pleural effusion. conclusion: pulmonary visceral larva migrans appears on ct as multifocal subpleural nodules with halo or ground-glass opacitie ... | 2006 | 16714661 |
| prevalence of helminthes in adult dogs in heilongjiang province, the people's republic of china. | the prevalence of helminthes in adult dogs was investigated in heilongjiang province, the people's republic of china, between 1996 and 2004. a total of 178 adult farm dogs from representative geographical locations in heilongjiang province were killed and examined for the presence of helminthes using a helminthological approach. the worms were examined, counted, and identified to species according to existing keys and descriptions. a total of 17 species of helminthes were found to infect dogs, a ... | 2006 | 16715234 |
| investigations into the prevention of prenatal and lactogenic toxocara canis infections in puppies by application of moxidectin to the pregnant dog. | aim of the investigation was to examine whether two administrations of moxidectin to pregnant dogs could prevent pre-natal and lactogenic infections of puppies with reactivated toxocara canis larvae. four pregnant beagles, infected experimentally with 20 000 embryonated eggs of t. canis, were treated subcutaneously with 1 mg moxidectin per kg body weight on days 40 and 55 of pregnancy (5-13 days before parturition). one further dam and its puppies served as untreated control. two applications of ... | 2006 | 16732879 |
| [a case of secondary retinal detachment caused by ocular toxocariasis]. | we report a case with bullous retinal detachment secondary to ocular toxocariasis. | 2006 | 16764325 |
| nephrotic syndrome as a manifestation of toxocara canis infection. | 2006 | 16766549 | |
| [uveitis caused by toxocara canis]. | the course of disease in a 64-year-old man with toxocariasis and ocular manifestations of the disease, treated at departments of ophthalmology and of infectious diseases, dr. josip bencević general hospital in slavonski brod, croatia, is presented. the patient was hospitalized for bilateral uveitis of unknown etiology. in several days, the patient developed high fever with respiratory tract involvement and hepatomegaly. worsening of the patient's general condition and laboratory findings of leuk ... | 2006 | 16802575 |
| mri studies of spinal visceral larva migrans syndrome. | we report serial mr findings in four patients with myelitis caused by visceral larva migrans syndrome due to toxocara canis or ascaris suum infection. mr imaging revealed spinal cord swelling with or without gadolinium enhancement in three patients. t2-weighted images showed high signal intensities preferentially located in both lateral and posterior columns. antihelmintic and corticosteroid treatment yielded improvement in neurologic deficits and spinal lesions. however, one patient with t. can ... | 2006 | 16815465 |
| modulation of eosinophil generation and migration by mangifera indica l. extract (vimang). | the effects of vimang, an aqueous extract of the stem bark of mangifera indica l. (anacardiaceae), on cell migration in an experimental model of asthma was investigated. in vivo treatment of toxocara canis-infected balb/c mice for 18 days with 50 mg/kg vimang reduced eosinophil migration into the bronchoalveolar space and peritoneal cavity. also, eosinophil generation in bone marrow and blood eosinophilia were inhibited in infected mice treated with vimang. this reduction was associated with inh ... | 2006 | 16846846 |
| helminthologic survey of the wolf (canis lupus) in estonia, with an emphasis on echinococcus granulosus. | carcasses of 26 wolves were collected during the 2000/2001 and 2003/2004 hunting seasons and examined for helminths. thirteen helminth species were recorded: one trematode (alaria alata), seven cestodes (diphyllobothrium latum, mesocestoides lineatus, taenia hydatigena, taenia multiceps, taenia ovis, taenia pisiformis, and echinococcus granulosus), and five nematode species (uncinaria stenocephala, toxascaris leonina, toxocara canis, trichinella nativa, and trichinella britovi). the most common ... | 2006 | 16870858 |
| a serological follow-up of toxocariasis patients after chemotherapy based on the detection of igg, iga, and ige antibodies by enzyme-linked immunosorbent assay. | a serological follow-up study was carried out on 27 children (1-12 years old) with visceral and/or ocular toxocariasis, after treatment with thiabendazole. a total of 159 serum samples were collected in a period ranging from 22-116 months. enzyme-linked immunosorbent assays (igg, iga, and ige elisa) were standardized, using excretory-secretory antigens obtained from the second-stage larvae of a toxocara canis culture. the sensitivity found for the igg, iga, and ige elisa, as determined in viscer ... | 2006 | 16874812 |
| geographical information systems and canine faecal contamination: the experience in the city of naples (southern italy). | geographical information systems (gis) can be used to make transect sampling when non-moving objects are to be counted, involving choosing a line or series of lines along which the counts are to take place. this approach has been used by us in order to study canine faecal contamination in the city of naples (southern italy), and to evaluate the consequent presence of canine parasitic elements. a gis was constructed utilizing the geo-referenced digital photographs and the cadastral maps of naples ... | 2006 | 16881413 |
| [parasitic myelitis]. | 2006 | 16893017 | |
| inhibition of inducible nitric oxide synthase in murine visceral larva migrans: effects on lung and liver damage. | the roles of nitric oxide production and oxidative process were studied in mice infected with toxocara canis and treated with aminoguanidine which is a specific inhibitor of inducible nitric oxide synthase (inos). relations of nitric oxide synthase inhibition and tissue pathology were assessed by biochemical, histological and immunohistochemical methods. in experiments, balb/c albino mice were inoculated with t. canis eggs either with or without aminoguanidine treatment or alone, at 24th, 48th h ... | 2006 | 17357539 |
| a recombinant enolase from anisakis simplex is differentially recognized in natural human and mouse experimental infections. | a 1,963-bp cdna was isolated from an anisakis simplex cdna library by immunoscreening with a hyperimmune rabbit serum raised against a crude extract of a. simplex l3 larvae. the open reading frame encodes a putative protein of 436 amino acid residues, which exhibits high similarity (70-80%) to enolase molecules from various other organisms, including helminth parasites. after subcloning and expression of the a. simplex cdna in pgex-4t-3, the resulting glutathione s-transferase fusion protein, pu ... | 2006 | 16049725 |
| hepatic involvement in larva migrans of toxocara canis: report of a case with pathological and radiological findings. | patients with the clinical syndrome of visceral larva migrans as a result of toxocara species, have typical lesions in the liver consisting of granulomas that contain numerous eosinophils and often charcot-leyden crystals. this syndrome is rarely taken into account in patients with cholestatic syndrome, especially when hypereosinophilic reaction is absent. we report the case of a 47-year-old immunocompetent woman who presented with abdominal pain, in whom multiple focal liver lesions were discov ... | 2006 | 16169299 |
| postoperative cerebral abscess formation caused by toxocara canis in a meningioma cavity. | 2006 | 16314947 | |
| use of systemic cyclosporin a in a case of severe toxocara uveitis. | the report describes the case of an adult patient presenting a severe, serologically proven, toxocara endophthalmitis, unresponsive to the common surgical and medical approach (vitrectomy, anti-parasitic treatment followed by high-dose corticosteroids). the association of oral cyclosporin a to a lower dose of prednisone was successful in achieving a long-term control of the ocular inflammation without systemic side effects. | 2006 | 16213025 |
| an epidemiological study of gastrointestinal parasites of dogs from southern greater buenos aires (argentina): age, gender, breed, mixed infections, and seasonal and spatial patterns. | a total of 2193 fecal samples from owned dogs were collected during the 2003-2004 period in southern greater buenos aires, and were evaluated for the presence of intestinal parasites by a flotation-centrifugation method. the overall prevalence was 52.4%, and the 11 species found were: ancylostoma caninum (13%), isospora ohioensis complex (12%), toxocara canis (11%), trichuris vulpis (10%), sarcocystis sp. (10%), giardia duodenalis (9%), isospora canis (3%), hammondia-neospora complex (3%), dipil ... | 2006 | 16364551 |
| survey of gastrointestinal parasitic infections in quarantined dogs in taiwan. | intestinal helminth and protozoan infection in the quarantined dogs in taiwan were examined using fecal examination between january to december, 2004. of the 376 dogs imported from 11 countries, 63 (16.8%) were found to be infected with at least one species of intestinal parasite. the parasites detected were oocysts of isospora canis and eggs of toxocara canis, trichuris vulpis and hookworms. of the 63 infected dogs, 11 were found to have a mixed infection of two different species of parasites. ... | 2006 | 16462120 |
| the prevalence and diagnostic value of toxocariasis in unknown eosinophilia. | toxocariasis is one of the causes of eosinophilia in peripheral blood and provokes eosinophilic infiltration in internal organs. extended studies on the prevalence and clinical characteristics of toxocariasis have been rare. the aim of this study is to evaluate the prevalence of toxocariasis in unknown eosinophilia and to analyze the efficacy of toxocara enzyme-linked immunosorbent assay (elisa). we evaluated patients presenting with peripheral blood eosinophilia (>500 cells/microl or > or =10% ... | 2006 | 16463154 |
| prevalence of zoonotic agents in dogs visiting hospitalized people in ontario: implications for infection control. | visitation of hospitalized people by dogs is becoming commonplace, but little is known about the potential health risks of introducing dogs to healthcare settings. this cross-sectional study evaluated the prevalence of zoonotic agents in a group of 102 visitation dogs from a variety of sources across ontario. between may and july 2004, owners were interviewed by a standardized questionnaire while dogs underwent a standardized physical examination. one specimen of faeces, hair-coat brushings and ... | 2006 | 16466831 |
| soil contamination with ascarid eggs in playgrounds in kirikkale, turkey. | contamination of soil with feline and canine ascarid eggs in eight playgrounds in kirikkale, turkey was investigated monthly from february 2003 to january 2004. dog faeces were also collected and all samples were examined using the zinc sulphate centrifugal flotation method. eggs of toxocara were observed in 5 of 8 (62.5%) of playgrounds examined and in 15.6% of 480 soil samples. the number of eggs varied from 1 to 11. eggs were observed in soil samples collected in february, march to june, augu ... | 2006 | 16469167 |
| toxocara canis infections in a pig model: immunological, haematological and blood biochemistry responses. | the immunological, haematological and enzymatic responses to the inoculation in pigs of 100,000 embryonated eggs of toxocara canis were studied. fifteen females were inoculated and three remained as controls. haematological values were analysed from day 7 p.i. until day 126 p.i. in the inoculated group, white blood cells were raised on day 14 p.i. and eosinophil values on days 7, 14, 21, 35 and 49 p.i. showing significant differences compared with controls (p < 0.05). absolute eosinophil counts ... | 2006 | 16469177 |
| a murine model for cerebral toxocariasis: characterization of host susceptibility and behaviour. | toxocara canis, the parasitic roundworm of dogs, can infect a number of paratenic hosts, such as mice and humans, due to the widespread dissemination of its ova in the environment. in these paratenic hosts, larvae have been shown to exhibit a predilection for the central nervous system, resulting in an increasing number of parasites migrating to the brain as infection progresses. in an initial experiment, we investigated the differential brain involvement of t. canis in 7 strains of inbred mice, ... | 2006 | 16476184 |
| comparative effects of milbemycin oxime-based and febantel-pyrantel embonate-based anthelmintic tablets on toxocara canis egg shedding in naturally infected pups. | the effect of two treatment programmes on egg shedding in dogs naturally infected with toxocara canis, one based on a milbemycin oxime-praziquantel-lufenuron combination (sentinel) spectrum; group 1) and the other based on a febantel-pyrantel embonate-praziquantel combination (drontal) plus; group 2), was compared in a study involving 104 suckling pups from three different kennels. the animals in group 1 were treated at a minimum milbemycin oxime dose of 0.5 mg/kg bw starting at 2 weeks of age a ... | 2006 | 16490320 |
| detection of echinococcus granulosus coproantigens in faeces from naturally infected rural domestic dogs in south eastern australia. | to investigate the occurrence of echinococcus granulosus in rural domestic dogs in farming areas around yass, new south wales, and mansfield and whitfield, victoria. | 2006 | 16498828 |
| seroprevalence of toxocara canis in sheep in wales. | antibody levels to toxocara canis l2 excretory/secretory antigens were examined by elisa in 400 serum samples from sheep in powys and gwent, wales. a positive od value was set at the mean +/-3s.d. of 45 control samples. seroprevalence increased with age. seven percent and 13% of 6-month-old sheep showed positive od values as did 16% of 10-month-old, 27% and 31% of 15-month-old and 47% of cull ewes. analysis of variance showed a significant increase in elisa od values among the seropositive sheep ... | 2006 | 16500027 |
| a case of ascaris suum visceral larva migrans diagnosed by using a. suum larval excretory-secretory (es) antigen. | a 42-y-old female presented with common cold-like symptoms. laboratory data showed mild liver dysfunction together with peripheral blood eosinophilia. she was suspected of having a helminthic infection, however parasite eggs or larvae were not detected by repeated stool examinations. eventually she transpired to have a high igg antibody titer against excretory-secretary (es) antigen of ascaris suum larvae, but not of toxocara canis larvae, suggesting that she had been suffering from visceral lar ... | 2006 | 16500788 |
| [current prevalence of toxocariasis and other intestinal parasitoses among dogs in bratislava]. | contamination of public open spaces with dog feces was monitored in five bratislava districts. only two of 459 fecal samples collected originated from cats and tested positive for toxocara cati while the remaining samples were dog feces. intestinal parasites were detected in 215 (46.8%) samples, with toxocara canis and toxocara cati being recovered from 86 (18.7%) and 2 (0.4%) samples, respectively. taenia sp., dipilidium caninum, ancylostoma sp., capillaria sp., trichuris vulpis and strongyloid ... | 2006 | 16528895 |
| predictors and markers of resistance to neurotropic nematode infection in rodent host. | parasite-mediated selection is currently believed to play an important role in life-history evolution. to assess how simple hematoserological and biochemical condition indices reflect host immunocompetence and infection resistance controlled laboratory experiments are required. we addressed these issues by infecting laboratory rats with the standard dose of embryonated eggs of a neurotropic nematode toxocara canis. urine baseline corticosterone concentrations, measured 1 week before infection, p ... | 2006 | 16538480 |
| eosinophilic infiltration in korea: idiopathic? | 2006 | 16549949 | |
| [intestinal parasites in dogs and cats with gastrointestinal symptoms in santiago, chile]. | there is an increasing importance of pet-transmitted infections, some of those are considered emerging infections. | 2006 | 16554927 |
| the cerebral form of toxocarosis in a seven-year-old patient. | introduction: toxocarosis is a consequence of human infection by toxocara canis larvae. there are symptomatic (visceral, ocular) and asymptomatic courses of toxocarosis. the cerebral form is very rare. case report: we present a seven-year-old patient who developed a cerebral form of toxocarosis. she demonstrated focal neurological symptoms (epilepsy) confirmed by neuro-imaging and histopathological examinations. a positive test for toxocarosis essentially completed the other outcomes. on the bas ... | 2006 | 16565934 |
| helminths of red foxes (vulpes vulpes) in denmark. | an epidemiological study of helminths in 1040 red foxes collected from various localities in denmark during 1997-2002, revealed 21 helminth species at autopsy, including nine nematode species: capillaria plica (prevalence 80.5%), capillaria aerophila (74.1%), crenosoma vulpis (17.4%), angiostrongylus vasorum (48.6% from northern zealand (endemic area)), toxocara canis (59.4%), toxascaris leonina (0.6%), uncinaria stenocephala (68.6%), ancylostoma caninum (0.6%), and trichuris vulpis (0.5%); seve ... | 2006 | 16580775 |
| [toxocara canis -- the hazard in the sandbox?]. | 2006 | 16604946 | |
| comparison of preparation techniques of mixed samples (fungi-helminth eggs) for scanning electron microscopy by critical point drying. | we compared three preparation techniques for critical point drying of fungus paecilomyces lilacinus (thom) samson with toxocara canis (werner) johnston and taenia hydatigena linneo eggs by scanning electron microscopy. we evaluated filtration (first), centrifugation (second), and phytoplankton network (third) in critical point drying methods. the first and third methods were advantageous for t. canis eggs because they preserved the quantity and quality of samples to obtain better images definiti ... | 2006 | 16607559 |
| the high prevalence of asymptomatic toxocara infection among schoolchildren in manado, indonesia. | we performed a serological survey of toxocara canis infection in junior high school students from three districts in northern sulawesi. almost all of the 117 subjects from two rural districts near manado allowed dogs in their houses, and there was an 84.6% prevalence of t. canis infection in this group. fifty-three subjects (45.3%) had serum samples with a high titer of specific anti-toxocara antibody. by contrast, 41 students tested in one urban district showed a 12.2% prevalence. to confirm th ... | 2005 | 16610641 |
| [toxocariasis mimicking liver tumor]. | toxocariasis is a common helminth infection that causes visceral larva migrans in humans. it has a wide and varied clinical spectrum. | 2005 | 16374393 |
| [prevalence of intestinal helminths in dogs from quindío province]. | intestinal helminths are pathogens for domestic animals and provide a source of potential infection for humans. | 2005 | 16276682 |
| pulmonary and myocardial manifestations due to toxocara canis infection. | we report a case of toxocara canis infection manifested by persistent eosinophilia, pulmonary nodules on ct scan, and myocardial manifestations in a 38-year-old man who was a dog trainer. toxocariasis is not common in adults and rarely affects the heart. | 2005 | 16314245 |
| toxocara canis and chronic urticaria in egyptian patients. | toxocariasis is a common parasitic condition present all over the world with high seroprevalence rates even among asymptomatic individuals. recent diagnostic techniques have revealed a wider scope of clinical syndromes due to toxocariasis including dermatological disorders and particularly urticaria. the patients with chronic urticaria were enrolled for serological toxocariasis investigations. the results pointed to a possible role of t. canis in-ection in chronic urticaria patients, especially ... | 2005 | 16333893 |
| effects of temperature and humidity on the development of eggs of toxocara canis under laboratory conditions. | the influence of temperature and humidity on the survival and development of toxocara canis eggs in an in vitro model system was investigated. two soil samples were inoculated with t. canis eggs and maintained at 3% and 50% humidity and temperatures of 19-24 degrees c. nine soil samples were inoculated with t. canis eggs of which three samples were kept at 4 degrees c with humidities at 3%, 15%, and 30%; three were maintained at 21 degrees c and three more were incubated at 34 degrees c, and at ... | 2005 | 16336716 |
| prevalence, clinical features, and causes of vision loss among patients with ocular toxocariasis. | to describe the prevalence, clinical features, and causes of vision loss among patients with ocular toxocariasis seen at a uveitis referral center. | 2005 | 16340531 |
| toxocara canis meningomyelitis. | 2005 | 16200465 | |
| [toxocariasis in children from a subtropical region]. | toxocariasis is present worldwide but people living in areas with sanitary deficiencies are considered at the highest risk of infection, particularly children. the aim of this work was to know clinical and immunological aspects of infantile toxocariasis in a subtropical region in argentina. for this purpose, 182 children of both sexes, 0-16 years old and with eosinophilia higher than 10%, living in resistencia city (northeast argentina) were studied. clinical examination, personal and epidemiolo ... | 2005 | 16042133 |
| molecular cloning and partial characterization of a nematode-specific 24 kda protein from ascaris suum. | the cloning and molecular characterization of a cdna encoding ascaris suum 24 kda antigen (as24) are described. the cdna sequence consists of 853 bp with an open reading frame coding for a protein of 147 amino acids with an inferred signal peptide of 19 amino acids. the predicted molecular mass and pi were 16 kda and 8.35 respectively. the endogenous protein in adult a. suum was 24 kda with the expected pi. a search of the public databases revealed over 50% homology with proteins from filarial p ... | 2005 | 15700764 |
| [occurrence of protozoa and helminthes in faecal samples of stray dogs from itapema city, santa catarina]. | samples of feces from dogs seized by the health surveillance program of itapema city, sc, were studied. from 158 samples examined 121 (76.6%) were positive, with a prevalence of ancylostoma spp (70.9%), followed by toxocara canis (14.5%), trichuris vulpis (13.9%), isospora spp (6.3%) and dipylidium caninum (1.9%). | 2005 | 15717103 |
| prevalence of toxocariasis in northeastern brazil based on serology using recombinant toxocara canis antigen. | to evaluate the prevalence of toxocariasis in children in jaboatão dos guararapes, pernambuco in northeastern brazil, 215 serum samples were examined by an enzyme-linked immunosorbent assay (elisa) using a recombinant toxocara canis antigen. in the elisa, 26 (12.1%) of 215 subjects were positive. in a dot-blot assay using 53 of 215 serum samples, the diagnostic results correlated with those obtained by the elisa. moreover, it has been confirmed that the recombinant t. canis antigen was highly sp ... | 2005 | 15728875 |
| tribendimidine: a promising, safe and broad-spectrum anthelmintic agent from china. | we review, for the first time, a 20-year chinese story of research and development pertaining to tribendimidine, a promising anthelmintic agent that is safe and exhibits a broad spectrum of activity. tribendimidine was first synthesized at the national institute of parasitic diseases in shanghai in the mid 1980s. in laboratory studies, tribendimidine showed high efficacy against nippostrongylus braziliensis in rats, necator americanus in hamsters, ancylostoma caninum and toxocara canis in dogs, ... | 2005 | 15777691 |
| epidemiological aspects of visceral larva migrans in children living at são remo community, são paulo (sp), brazil. | in preparation for a study of risk factors for visceral larva migrans of children living in são remo community, são paulo (sp), brazil, fecal samples were collected from 41 dogs younger than one year of age, 338 serum samples from children ages 1-15 years and 37 soil samples, during march-june 2001. fecal and soil samples were examined for the presence of toxocara spp. eggs and serum samples were evaluated by elisa for antibodies to toxocara canis. of the fecal, serum and soil samples tested, 39 ... | 2005 | 16054301 |
| [toxocariasis--a current clinical and diagnostic problem]. | toxocariasis is zoonotic disease caused by worms toxocara canis and toxocara cati. human is its paratenic host. there are some clinical forms: visceral larva migrans, cerebral larva migrans, ocular larva migrans and covert toxocariasis. at the present time diagnostics of toxocariasis is very difficult due to polymorphism of clinical symptoms and low specificity of laboratory tests. | 2005 | 16119168 |
| environmental contamination by toxocara sp. eggs in ribeirão preto, são paulo state, brazil. | toxocariasis is a zoonosis mainly caused by toxocara canis, an intestinal nematode of dogs. man acquires the infection through accidental ingestion of viable eggs, and the toxocariasis clinical manifestations may vary from an asymptomatic infection up to the visceral larva migrans syndrome. seventy eight public squares of ribeirão preto, são paulo, brazil, including bonfim paulista district were visited aiming to evaluate the soil contamination by toxocara eggs. the squares were divided in five ... | 2005 | 16138206 |
| toxocara canis infection induces antigen-specific il-10 and ifngamma production in pregnant dogs and their puppies. | toxocara canis (t. canis) is originally a parasite of canine bitches and their pups. the pathogenicity of t. canis infection is enhanced during pregnancy and puppyhood. the aim of this study was to investigate if modification of ifngamma and il-10 secretion occurs during infection in pregnant dogs and puppies. analysis of cytokines secreted could let us hypothesize a role for il-10 and/or ifngamma in t. canis infection. we tested t. canis-specific production of ifngamma and il-10 by lymphocytes ... | 2005 | 16144718 |
| toxocara-infestations in austria: a study on the risk of infection of farmers, slaughterhouse staff, hunters and veterinarians. | a total of 585 persons from several occupational groups (farmers, slaughterhouse staff, hunters, veterinarians) exposed to toxocara infestations and 50 persons of a control group were tested for the presence of specific antibodies to the toxocara canis antigen using an enzyme-linked immunosorbent assay and a western blot. farmers showed the highest seroprevalence (44%), followed by veterinarians (27%), slaughterhouse staff (25%) and hunters (17%), whereas only 2% of the individuals of the contro ... | 2005 | 16151740 |
| sero-epidemiology of toxocara canis infection among aboriginal schoolchildren in the mountainous areas of north-eastern taiwan. | a sero-epidemiological study of toxocara canis infection was conducted among atayal schoolchildren (aged 7-12 years) residing in the mountainous areas of north-eastern taiwan. the 73 children investigated were each checked for anti-toxocara igg, in elisa based on the larval excretory-secretory antigens of t. canis larvae. a short, self-administered questionnaire was then used to collect relevant information from each subject, including data on the keeping of dogs, playing in soil, eating raw veg ... | 2005 | 16156973 |
| influence of murine toxocara canis infection on plasma and bronchoalveolar lavage fluid eosinophil numbers and its correlation with cytokine levels. | toxocara canis is a nematode of the ascaridae family that normally parasites the small intestine of canid species. humans are accidentally infected upon ingestion of embryonated eggs, and can manifest several clinical alterations such as fever, hepatomegaly, splenomegaly, respiratory symptoms, muscle pain and anorexia. in the present work, we investigated the kinetics of tissue distribution of l2 larva in lungs, liver, kidney, brain, skeletal muscle and myocardium. also, we analyzed the blood an ... | 2005 | 16168564 |
| comparison of igg-elisa and igg4-elisa for toxocara serodiagnosis. | diagnosis of human toxocariasis, caused by toxocara canis or toxocara cati, normally relies on a combination of the presence of clinical signs and symptoms backed by positive serology. the use of toxocara excretory-secretory antigen (tes) in elisa assays increases the test specificity. however, in tropical countries where soil-transmitted helminths are endemic, cross-reactivity from antibodies to these intestinal parasites poses a significant limitation for toxocara serodiagnosis. to increase th ... | 2005 | 15589798 |
| induction of matrix metalloproteinase-9 in mice during toxocara canis larvae migration. | the relationships between inflammation in organs with toxocara canis larval migration and matrix metalloproteinase-9 (mmp-9) were investigated following the infection of mice with 1,000 infective eggs. gelatinase activity was defined by gelatin zymography, optimum ph, inhibitor specificity and western blot analysis. mmp-9 activity was present in the lungs, liver, muscles, and brain during t. canis larval migration. this enzyme had a molecular weight of about 94 kda and showed maximum activity in ... | 2005 | 15645290 |
| a survey of environmental contamination with ascarid ova, wallingford, connecticut. | few studies have been conducted in the united states to quantify the potential risk associated with encountering zoonotic ascarid ova in the environment. in an effort to raise awareness and to better understand the risk of acquiring visceral larva migrans in south central connecticut, this environmental survey was conducted to determine the prevalence of ascarid ova (toxocara canis, toxocara cati, baylisascaris columnaris, and baylisascaris procyonis) in public areas of wallingford, connecticut, ... | 2005 | 15815147 |
| the effect of free and polyethylene glycol-liposome-entrapped albendazole on larval mobility and number in toxocara canis infected mice. | as part of our exploratory drug research on the larva migrans that causes roundworm in dogs and cats, this study was carried out to clarify the effect of free and liposome-entrapped (le) albendazole in toxocara canis infected mice. in infected mice, evaluation of mobility and number of larva were examined in detail in the brain, skeletal muscle and liver. larva mobility was evaluated by using the relative mobility (rm) value. albendazole was le as one of the drug delivery systems (ddss). polyeth ... | 2005 | 15817207 |
| following the migration of a toxocara larva in the retina by optical coherence tomography and fluorescein angiography. | the toxocara larva is known to migrate across the retina, but the layer in which it migrates and its effect on the retina has been unknown. | 2005 | 15838735 |
| cecropin p1 and novel nematode cecropins: a bacteria-inducible antimicrobial peptide family in the nematode ascaris suum. | cecropin p1 was first identified as a mammalian antimicrobial peptide isolated from the pig intestine. much research aimed at characterizing this peptide has been reported. recently, the workers who discovered the peptide corrected their original conclusion, and confirmed that this peptide originates in fact from the pig intestinal parasitic nematode, ascaris suum. in the present study, we carried out a semi-exhaustive search for bacteria-inducible transcripts in a. suum by the cdna subtraction ... | 2005 | 15850460 |
| [clinical-epidemiological study of toxocariasis in a pediatric population]. | the variety of toxocariasis clinic manifestations and its relationship with asthma motivated this study. the aim was to study t.canis seropositivity at a public pediatric service and its association with laboratory, epidemiological and clinical factors. | 2005 | 15858673 |
| fuchs heterochromic cyclitis and ocular toxocariasis. | to report the association of fuchs heterochromic cyclitis (fhc) and ocular toxocariasis in a young adult. | 2005 | 15860302 |
| toxocara canis: impact of preweaning nutritional deprivation on the pathogenesis of pneumonia in the mouse. | the present study was conducted to better understand the immure response to toxocara canis pneumonia in mice with preweaning nutritional deprivation. breast-fed swiss mice, undernourished due to large litter size (up to 15 pups) and paired controls with only 5-8 pups were used. at 21 days old, both groups were infected with t. canis larvae. liver retinol, retinyl palmitate, and inflammatory infiltrate in lungs were compared in both groups. significantly lower levels of retinol and retinyl palmit ... | 2005 | 15885687 |
| toxocara canis: search for a potential drug amongst beta-carboline alkaloids--in vitro and mouse studies. | the goal of this study was to search for new treatments for toxocara canis using both in vitro and in vivo experiments. we specifically looked for a treatment for t. canis larva migrans, and examined beta-carboline alkaloids (17 compounds) with various structural modifications, both in in vitro and in vivo experiments. in the in vitro experiments, screening for nematocidal activity on the t. canis second stage larvae, cytotoxic activity, and immune activity in the host were undertaken. compound ... | 2005 | 15888295 |
| comparison of common fecal flotation techniques for the recovery of parasite eggs and oocysts. | a variety of procedures are available to detect parasite eggs or oocysts in feces. this study compared the efficacy of simple flotation, a commercial assay, and various centrifugation techniques and three common flotation solutions. results indicate that centrifugation consistently recovered more eggs than other methods. proper technique is critical, including ensuring that the specific gravity of the flotation solution is correct and allowing the sample to stand for a sufficient amount of time ... | 2005 | 15906267 |
| [toxocara canis encephalitis: case report]. | 2005 | 15927312 | |
| giardia intestinalis and other zoonotic parasites: prevalence in adult dogs from the southern part of mexico city. | the protozoan giardia intestinalis is a mammalian-infecting parasite. it produces diarrhoea and malabsorption in its hosts. there is growing evidence that dogs could be reservoirs and play an important role in transmission. in mexico, there are few data on the frequency of g. intestinalis. therefore, we studied the small intestine of stray dogs, euthanazed at the "culhuacan" control canine centre, towards the end of 1997 and during the summer of 1998. we microscopically analysed intestinal conte ... | 2005 | 15927399 |
| prevalence of toxocara canis, toxascaris leonina and dirofilaria immitis in dogs in chuncheon, korea (2004). | the intestines and hearts of dogs were examined for toxocara canis, toxascaris leonina, and dirofilaria immitis, after necropsy between june 26 and september 29, 2004 in chuncheon, korea. of the 662 dogs examined, 6 were infected with t. canis (0.9%), 86 with t. leonina (13.0%). fifty dogs were infected with d. immitis among 500 dogs examined (10.0%). five were co-infected with t. canis and t. leonina, and three were co-infected with t. leonina and d. immitis. the cumulative positive infection r ... | 2005 | 15951642 |
| persistent airway hyper-responsiveness and inflammation in toxocara canis-infected balb/c mice. | infection with toxocara canis, the roundworm of dogs, has been associated with asthmatic manifestations. clinical symptoms such as wheezing, coughing and episodic airflow obstruction have been described for patients infected with this helminth. | 2005 | 15969676 |
| ultrasonically nebulized distilled water prevents exogenous histamine hyperreactivity in toxocara canis-infected mice. | this study examines the effect of ultrasonically nebulized distilled water inhalation on the systemic histamine hyperreactivity of toxocara canis-infected mice. | 2005 | 15973507 |
| toxocara canis in experimentally infected silver and arctic foxes. | in two experiments, thirty-six farm foxes of two species were inoculated with various doses of infective toxocara canis eggs or tissue larvae isolated from mice. in experiment i, six adult arctic foxes (alopex lagopus; 11-month old) were each inoculated with 20,000 eggs and sacrificed 100, 220, or 300 days post infection (dpi), while ten silver fox cubs (vulpes vulpes; 6-9-week old) were infected with varying doses of eggs (30-3000) and necropsied 120 dpi. in experiment ii, two groups of five cu ... | 2005 | 15986242 |
| [red fox (vulpes vulpes) as reservoir of parasites and source of zoonosis]. | red fox (vulpes vulpes) as reservoir of parasites and source of zoonosis. this review presents data from europe and poland on the prevalence of helminth and protozoan parasites in red foxes (vulpes vulpes). the most common nematodes were geohelminths: uncinaria stenocephala, toxocara canis and toxocara leonina. as concerning trichinella genus t. britovi was found more often than t. spiralis. among tapeworms the following species were recorded: mesocestoides lineatus, taenia sp., and echinococcus ... | 2005 | 16838621 |
| [frequency of human parasites in selected populations of silesian region]. | epidemiological evaluation of the most frequent human parasitoses in the group of children at age of seven years, in adult patients and in group of polish citizens coming back from tropics between 1999-2003 was performed. all examined people were silesian region inhabitants. the biggest average infection prevalence in children from all examined years concerned enterobius vermicularis, in adult--giardia intestinalis, while in group of population coming back from tropics--entamoeba histolytica-lik ... | 2005 | 16841687 |