Strobilocercus fasciolaris infection with hepatic sarcoma and gastroenteropathy in a Wistar colony

Kumar, Jerald Mahesh; Reddy, Poluru L.; Aparna, Varikuti; Srinivas, G.; Nagarajan, Priyadharsini; Venkatesan, R.; Sreekumar, C.; Sesikaran, B.

doi:10.1016/j.vetpar.2006.05.029

Cited by 29 publications

(25 citation statements)

References 13 publications

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“…Occasionally cysts also develop in the abdominal wall and kidney, filled with purulent exudate without larvae [ 2 ]. A small number of fibrosarcoma cases in the liver of rats associated with cysts of T. taeniaeformis have been reported [ 3 – 5 ]. Cats get infected by ingestion of rodents infected with C. fasciolaris.…”

Section: Introductionmentioning

confidence: 99%

Cysticercus fasciolaris in Brown Rats (Rattus norvegicus) in Grenada, West Indies

Sharma

Tiwari

Birmingham

et al. 2017

Journal of Parasitology Research

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Cat is the definitive host of Taenia taeniaeformis (T. taeniaeformis). Cysticercus fasciolaris (C. fasciolaris), the larval stage of T. taeniaeformis, develops in small rodents which act as intermediate host. The aim of this study was to estimate the prevalence of C. fasciolaris in brown rats (Rattus norvegicus) in the densely human populated parishes, St. George's and St. David's of Grenada, West Indies. One hundred and seventy rats were trapped near the residential areas from May to July, 2017 and examined for C. fasciolaris in their liver. Of the 170 rats 115 (67.6%, CI 95% from 60.1 to 74.6) were positive for the larval stage of T. taeniaeformis. One to three cysts were observed in each liver, containing a single larva in each cyst. The prevalence was 77.9% in St. George and 59.1% in St. David which is a significant difference (p < 0.05) between the two parishes under study. Based on gender, prevalence in males was 60.9% and females 74.7%. Significant difference was observed between young and adult rats (p = 0.03). Prevalence in young rats was 45.0% compared to adults (70.7%). Further study of risk assessment in the cat population in areas of the present research is strongly suggested.

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Section: Introductionmentioning

confidence: 99%

Cysticercus fasciolaris in Brown Rats (Rattus norvegicus) in Grenada, West Indies

Sharma

Tiwari

Birmingham

et al. 2017

Journal of Parasitology Research

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“…However it is still difficult to come up with a reliable conclusion on the phylogenetic relationship between the members of Taeniidae [17]. However, recent studies have shown high level of interspecific variations for molecular characters, which are useful for characterization of species of Taenia and many new taeniid species have also been reported using more recent molecular biological techniques [18–20]. Taenia taeniaeformis is a taeniid cestode parasite, the adult form of which is found in cats and other carnivores and uses rodents as the intermediate hosts where the larval form or the cysticercus develops as a fluid filled larva in different organs [21–23].…”

Section: Introductionmentioning

confidence: 99%

Morphological and molecular identification of the metacestode parasitizing the liver of rodent hosts in bamboo growing areas of mizoram, northeast India

Malsawmtluangi¹,

Prasad²,

Biswal³

et al. 2011

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In Mizoram (Northeast India), rodent outbreaks are known to occur periodically with the onset of bamboo flowering causing a tremendous destruction to food grains and as per the folk belief, often resulting in famine. In an exploratory survey of rodent pests in bamboo growing atreas for their helminth parasite spectrum, metacestodes of tapeworms were frequently encountered infecting the liver lobes and body cavity of the host. The morphological criteria were found to be closely consistent with the metacestode of Taenia species. In molecular characterization of the parasite, the ribosomal DNA (ITS1, ITS2) and mitochondrial COI were amplified and sequenced. Based upon both morphological data and molecular analysis using bioinformatic tools, the metacestode is identified as confirmed to be representing Cysticercus fasciolaris. The adult form of which (Taenia taeniaeformis) commonly occurs in felid and canid mammalian hosts.

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“…azarae . In laboratory rodents, it has been shown that the presence of strobilocerci in the liver could contribute to the development of sarcomas and decrease fertility in males and females (Lin et al , 1990; Mahesh Kumar et al , 2006). The prevalence value observed in this study (combined Pr = 11.4%) is similar to that reported for T .…”

Section: Discussionmentioning

confidence: 99%

Diversity of the helminth community of the Pampean grassland mouse (Akodon azarae) on poultry farms in central Argentina

et al. 2011

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AbstractThis paper describes the helminth community of the Pampean grassland mouse (Akodon azarae) inhabiting poultry farms in central Argentina. Winter diversity (season of high rodent abundance) has been compared to spring diversity (season of low rodent abundance). Species richness was seven in both seasons: five nematodes (Syphacia carlitosi,Stilestrongylusspp.,Trichuris laevitestis,Pterygodermatites (Paucipectines) azaraiandProtospirura numidica criceticola) and two cestodes (adults of Cyclophyllidea andTaenia taeniaeformishepatic cysts). No difference in richness was detected between host sexes in each season or among host age classes. However, the helminth community showed 67% similarity between winter and spring, with diversity being significantly higher in spring (H = 0.873) than in winter (H = 0.546;P < 0.0005). This could be attributed to different factors, such as host abundance, host diet or environmental factors, that affect the transmission of each species differently. On the other hand,Stilestrongylusspp. andS. carlitosishowed higher dominance and intensity in both seasons compared to their cohabiting species,P. (P.) azaraiandT. laevitestis, respectively. The lower values of the latter two species may be related to a crowding effect due to their large body sizes. This is the first report of cestodes inA. azarae. The finding ofT. taeniaeformisstrobilocerci could be important in the epidemiology of parasitosis in domestic animals of the farms.

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Strobilocercus fasciolaris infection with hepatic sarcoma and gastroenteropathy in a Wistar colony

Cited by 29 publications

References 13 publications

Cysticercus fasciolaris in Brown Rats (Rattus norvegicus) in Grenada, West Indies

Cysticercus fasciolaris in Brown Rats (Rattus norvegicus) in Grenada, West Indies

Morphological and molecular identification of the metacestode parasitizing the liver of rodent hosts in bamboo growing areas of mizoram, northeast India

Diversity of the helminth community of the Pampean grassland mouse (Akodon azarae) on poultry farms in central Argentina

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