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[helminths of some laboratory animals detected by necropsy and fecal examination.].a study was performed in order to determine helminths of laboratory animals. fecal specimens obtained from 110 mice, 263 rats and 65 rabbits were investigated and 37 rats and 7 rabbits were necropsied. in general, 83.8% rats were found to be infected by necropsy, while 100% of mice,and 81.8% of rats were found to be infected with one or more helminths species by fecal examination. no rabbits were found to be infected by necropsy or fecal examination. in fecal examination of mice and rats, the pr ...201020597054
the distribution of syphacia obvelata in the intestine of mice during their migratory period. 195813539724
stilbazium iodide as an anthelmintic. i. against syphacia obvelata in mice. 196214017190
pinworm infection in laboratory mice in southern china.the present investigation examined the prevalence and intensity of pinworm infection in laboratory mice from three laboratory animal centres in china's southern guangdong province between august 2008 and april 2009. a total of 301 laboratory mice representing balb/c, kunming (km) and c57bl/6j breeds were examined and the worms were counted and identified according to existing keys and descriptions, and their specific identity was ascertained by polymerase chain reaction (pcr) amplification of th ...201021138918
stilbazium iodide in the mass treatment of mice infected with syphacia obvelata. 196314084181
microbiological survey of mice (mus musculus) purchased from commercial pet shops in kanagawa and tokyo, japan.information regarding the prevalence of infectious agents in mice in pet shops in japan is scarce. this information is particularly useful for minimizing the risk of potential transmission of infections to laboratory mice. therefore, we surveyed infectious agents in mice from pet shops in kanagawa and tokyo, japan. the survey was conducted in 28 mice from 5 pet shops to screen for 47 items (17 viruses, 22 bacteria and fungi, 10 parasites) using culture tests, serology, pcr, and microscopy. the m ...201425502736
hematopoietic changes and altered reactivity to il-17 in syphacia obvelata-infected mice.pinworm parasites commonly infect laboratory mice with high prevalence even in well-managed animal colonies. although often considered as irrelevant, these parasites if undetected may significantly interfere with the experimental settings and alter the interpretation of final results. there are a few reports documenting the effects of pinworms on research and the effects of pinworms on the host hematopoiesis have not yet been investigated. in this study we examined the changes within various hem ...200616325460
efficacy of selamectin against mites (myobia musculi, mycoptes musculinus and radfordia ensifera) and nematodes (aspiculuris tetraptera and syphacia obvelata) in mice.the effects of selamectin were studied in mice naturally infected with the mites myobia musculi, myoceptes musculinus and radfordia ensifera and with the oxyurid nematodes aspiculuris tetraptera and syphacia obvelata. the mice were divided into three treated and three control groups (n=9). selamectin in the range 10-12.4 mg/kg was applied topically to the skin in a single spot at the base of the neck in front of the scapulae. the mice of treated and control groups were necropsied on the 4th, 7th ...200616600081
antihelminthic activity of some newly synthesized 5(6)-(un)substituted-1h-benzimidazol-2-ylthioacetylpiperazine derivatives.piperazine derivatives of 5(6)-substituted-(1h-benzimidazol-2-ylthio)acetic acids were synthesized by using two methods and studied for antihelminthic activity. the antiparasitic screening showed that compounds 18-24 exhibited higher activity against trichinella spiralis in vitro in comparison to methyl 5-(propylthio)-1h-benzimidazol-2-yl-carbamate (albendazole). most active were compounds 2-({2-[4-(4-chlorophenyl)piperazin-1-yl]-2-oxoethyl}thio)-1h-benzimidazole 21 and 2-{[2-oxo-2-(4-benzhydryl ...200616996654
intestinal parasites of conventionally maintained balb/c mice and mastomys coucha and the effects of a concomitant schistosome infection.a longitudinal study was carried out to identify the spectrum of intestinal parasites present in conventionally maintained balb/c mice and mastomys coucha and to determine the effects of concomitant schistosome infections on their parasite status. six parasites were observed during the course of the study, namely the nematodes aspiculuris tetraptera and syphacia obvelata, entamoeba muris and the flagellates trichomonas muris, spironucleus muris and chilomastix spp. although the 2 rodents shared ...19902118582
comparative analyses of the complete mitochondrial genomes of the two murine pinworms aspiculuris tetraptera and syphacia obvelata.pinworms aspiculuris tetraptera and syphacia obvelata are important parasitic nematodes of laboratory mice, rat and other rodents. however, the mitochondrial (mt) genome of these parasites have not been known yet. in the present study, the complete mt genomes of a. tetraptera and s. obvelata were sequenced, which were 13,669 bp and 14,235 bp in size, respectively. both genomes included 12 protein-coding genes, two rrna genes, 22 trna genes and one non-coding region. the mt genomes of a. tetrapte ...201627016298
[helminths detected in some laboratory animals by fecal examinations.]fecal specimens obtained from 505 rats, 317 mice, 128 rabbits and 52 guinea pigs were examined for helminth infections. in general, 38.02% of rats and 83.59% of mice were infected with one or more helminth species. the percentage of syphacia muris and syphacia obvelata were 32.48% and 12.67%, respectively, in rats, and the percentage of aspiculuris tetraptera, s. obvelata and hymenolepis nana were 79.18%, 10.72% and 15.45%, respectively, in mice. passalurus ambiguus was found only in one rabbit ...200517160840
decontamination of a barrier facility using microisolator cages and provisional partitioning.in 2000, the authors found endemic infections of mouse hepatitis virus, minute virus of mice, syphacia obvelata, and myobia musculi among mice in a large barrier facility at the university of mainz. to eliminate the infections, they subdivided the facility into two distinct hygiene units. however, architectural constraints made it impossible to completely separate the hvac systems of both hygiene units and to establish adequate personnel locks. to compensate for these suboptimal barrier conditio ...200717585355
sequence variability in internal transcribed spacers of nuclear ribosomal dna among isolates of the oxyurid nematodes syphacia obvelata and aspiculuris tetraptera from mice reared in laboratories in china.this study examined sequence variability in internal transcribed spacers (its) of nuclear ribosomal dna among syphacia obvelata and aspiculuris tetraptera isolates from laboratory mice from different geographical locations in china. its1, 5.8s and its2 rdna were amplified separately from adult s. obvelata and a. tetraptera individuals by polymerase chain reaction (pcr), and the amplicons were subjected to sequencing from both directions. the lengths of the sequences of its1, 5.8s and its2 rdna f ...201626693888
modulation of infection-induced inflammation and locomotive deficit and longevity in senescence-accelerated mice-prone (samp8) model by the oligomerized polyphenol oligonol.oligonol is produced from the oligomerization of polyphenols (typically proanthocyanidin from a variety of fruits such as lychees, grapes, apples, persimmons, etc.) and contains catechin-type monomers and oligomers of proanthocyanidins. the ability of oligonol to affect infection-dependent eye inflammation, locomotion and longevity in senescence-accelerated prone mice (samp8) (a model of senescence acceleration and geriatric disorders with increased oxidative stress and neuronal deficit) was inv ...200717644302
intestinal nematodes from small mammals captured near the demilitarized zone, gyeonggi province, republic of korea.a total of 1,708 small mammals (1,617 rodents and 91 soricomorphs), including apodemus agrarius (n = 1,400), microtus fortis (167), crocidura lasiura (91), mus musculus (32), myodes (= eothenomys) regulus (9), micromys minutus (6), and tscherskia (= cricetulus) triton (3), were live-trapped at us/republic of korea (rok) military training sites near the demilitarized zone (dmz) of paju, pocheon, and yeoncheon, gyeonggi province from december 2004 to december 2009. small mammals were examined for ...201525748722
molecular phylogeny of the pinworms of mice, rats and rabbits, and its use to develop molecular beacon assays for the detection of pinworms in mice.though pinworm infestation has been prevalent since the early years of laboratory animal medicine, the genomes of these parasites have not yet been sequenced. the authors used high-fidelity polymerase chain reaction to amplify a large portion of the ribosomal gene complex of four pinworm species commonly found in lab rodents and rabbits (aspiculuris tetraptera, passalurus ambiguus, syphacia muris and syphacia obvelata). they determined dna sequences for these complexes and carried out phylogenet ...200717885663
in vitro and in vivo anthelmintic effects of caesalpinia bonducella (l.) roxb. leaf extract on hymenolepis diminuta (cestoda) and syphacia obvelata (nematoda).leaves of caesalpinia bonducella (l.) roxb. have been traditionally used as an herbal remedy to treat the intestinal helminthic infections in traditional medicine of india.201727757275
intestinal helminths in different species of rodents in north khorasan province, northeast of iran.rodents are an important source of zoonotic diseases for human. the aim of this study was to determine the infectivity of rodents with intestinal helminths in north khorasan province, iran.201728761488
genetic variability among syphacia obvelata isolates from laboratory mice in four different geographical locations of china revealed by sequence analyses of five mitochondrial genes.syphacia obvelata is a rodent nematode with high prevalence in laboratory mice. in the present study, we examined the genetic variability of s. obvelata from naturally infected laboratory mice in four different provinces, china. five mitochondrial (mt) dna regions, namely cytochrome c oxidase subunit 1 (pcox1), cytochrome b (pcytb), large subunit ribosomal rna (prrnl) and nadh dehydrogenase subunits 1 and 5 (pnad1 and pnad5), were amplified separately from individual nematodes by pcr, and then s ...201524708136
development and characterization of multiplex panels of microsatellite markers for syphacia obvelata, a parasite of the house mouse (mus musculus), using a high throughput dna sequencing approach.syphacia obvelata is a common gastro-intestinal parasitic nematode of the house mouse (mus musculus), a prime model rodent species. investigations of the genetic structure, variability of parasite populations and other biological aspects of this host-parasite system are limited due to the lack of genetic resources for s. obvelata. to fill this gap, we developed a set of microsatellite markers for s. obvelata, using a 454 pyrosequencing approach. we designed three multiplex panels allowing genoty ...201222820294
parasitic nematodes of the genus syphacia seurat, 1916 infecting muridae in the british isles, and the peculiar case of syphacia frederici.syphacia stroma (von linstow, 1884) morgan, 1932 and syphacia frederici roman, 1945 are oxyurid nematodes that parasitize two murid rodents, apodemus sylvaticus and apodemus flavicollis, on the european mainland. only s. stroma has been recorded previously in apodemus spp. from the british isles. despite the paucity of earlier reports, we identified s. frederici in four disparate british sites, two in nottinghamshire, one each in berkshire and anglesey, wales. identification was based on their s ...201728831960
syphacia obvelata (nematode, oxyuridae) infecting laboratory mice mus musculus (rodentia, muridae): phylogeny and host-parasite relationship.syphacia obvelata is a pinworm nematode parasite infecting man and laboratory animals in high abundance. this parasitological study was carried out during the period of march 2014-february 2015 to investigate the helminth parasites infecting the laboratory mice mus musculus in the animal house at cairo university, egypt. the prevalence of s. obvelata in m. musculus was 75.0 %. the extent of infection with s. obvelata is analyzed according to the sex of the host mice. it was shown that the preval ...201626581371
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