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Zoonotic tapeworm

Dolina G Gencheva, Dimitar N Menchev, Dimitar K Penchev, Mariya P Tokmakova
Echinococcosis is a cosmopolitan zoonotic parasitic disease caused by infection with the larval stage of tapeworms from the Echinococcus genus, most commonly Echinococcus granulosus. According to WHO, more than 1 million people are affected by hydatid disease at any time.1 About 10% of the annual cases are not officially diagnosed.2 In humans, the disease is characterized by development of three-layered cysts. The cysts develop primarily in the liver and the lungs, but can also affect any other organ due to the spreading of the oncospheres...
March 1, 2017: Folia Medica
Peng Jiang, Xi Zhang, Ruo Dan Liu, Zhong Quan Wang, Jing Cui
We described a human case of zoonotic dog tapeworm, Dipylidium caninum (Eucestoda: Dilepidiidae), rarely occurring in China. The mother of a 17 month-old boy noted the appearance of small white and active worms over a month period in her son's feces, but the boy was asymptomatic except mild diarrhea. We observed 3 tapeworm proglottids resembling cucumber seeds in his stool sample. Microscopically, each proglottid had 2 genital pores, 1 on each lateral edge, and numerous egg capsules in the uterus. The patient was successfully treated with a single oral dose of praziquantel...
February 2017: Korean Journal of Parasitology
Xiaola Guo, Yadong Zheng
Echinococcus multilocularis is a most pathogenic zoonotic tapeworm that causes devastating echinococcosis in both humans and animals. Circulating microRNAs (miRNAs) are stably existed in the serum/plasma of mammalian hosts during helminthic infection. In this study, we compared the host-circulating miRNA expression in the sera from the E. multilocularis-infected and uninfected mice. A total of 58 host-origin serum miRNAs were differentially expressed (2 ⩾ fold change, P < 0·05), of which 21 were upregulated and 37 were significantly downregulated...
March 8, 2017: Parasitology
Richard Budgey, Jane Learmount, Graham C Smith
The parasitic tapeworm Echinococcus multilocularis is the causative agent of alveolar echinococcosis, a serious zoonotic infection present in Europe that can be fatal. The United Kingdom currently has E. multilocularis free status but the possibility of introduction exists, most likely via an imported or returning dog or other deliberately introduced animal that has not had anthelmintic treatment. We have developed a model to predict the probability of successfully eliminating a focal outbreak of E. multilocularis using a programme of anthelmintic bait distribution...
February 21, 2017: Veterinary Parasitology
K Brehm, U Koziol
The potentially lethal zoonotic diseases alveolar and cystic echinococcosis are caused by the metacestode larval stages of the tapeworms Echinococcus multilocularis and Echinococcus granulosus, respectively. In both cases, metacestode growth and proliferation occurs within the inner organs of mammalian hosts, which is associated with complex molecular host-parasite interactions that regulate nutrient uptake by the parasite as well as metacestode persistence and development. Using in vitro cultivation systems for parasite larvae, and informed by recently released, comprehensive genome and transcriptome data for both parasites, these molecular host-parasite interactions have been subject to significant research during recent years...
2017: Advances in Parasitology
Ines Lesniak, Ilja Heckmann, Emanuel Heitlinger, Claudia A Szentiks, Carsten Nowak, Verena Harms, Anne Jarausch, Ilka Reinhardt, Gesa Kluth, Heribert Hofer, Oliver Krone
The recent recolonisation of the Central European lowland (CEL) by the grey wolf (Canis lupus) provides an excellent opportunity to study the effect of founder events on endoparasite diversity. Which role do prey and predator populations play in the re-establishment of endoparasite life cycles? Which intrinsic and extrinsic factors control individual endoparasite diversity in an expanding host population? In 53 individually known CEL wolves sampled in Germany, we revealed a community of four cestode, eight nematode, one trematode and 12 potential Sarcocystis species through molecular genetic techniques...
January 27, 2017: Scientific Reports
Mohammad Mirzaei, Ahmad Nematolahi, Javad Ashrafihelan, Hadi Rezaei
OBJECTIVE: Bovine cysticercosis is a cattle infection caused by a tapeworm, Taenia saginata. While the condition is relatively innocuous, the parasite infects the small intestine of humans in its mature stage and causes a few specific symptoms such as abdominal pain and nausea. METHODS: Between February 2013 and February 2014, a total of 640 cattle were randomly selected from all the cattle sent to the abattoir, and some internal organs and skeletal muscles of these cattle were inspected...
December 2016: Türkiye Parazitolojii Dergisi
T V Moskvina, A V Ermolenko
Dogs are the hosts for a wide helminth spectrum including tapeworms, flatworms, and nematodes. These parasites affect the dog health and cause morbidity and mortality, especially in young and old animals. Some species, as Toxocara canis, Ancylostoma caninum, Dipylidium caninum, and Echinococcus spp. are well-known zoonotic parasites worldwide, resulting in high public health risks. Poor data about canine helminth species and prevalence are available in Russia, mainly due to the absence of official guidelines for the control of dog parasites...
November 2016: Veterinary World
Ehsanollah Sakhaee, Mehdi Golchin, Hamidreza Amiri, Mohammad Reza Fayed, Jamaladdin Eydi
Hydatidosis, is an important worldwide zoonotic disease caused by larval stages (metacestodes) of tapeworm parasites of the genus Echinococcus. The objective of the present study was to determine the seroprevalence of equine hydatidosis in Iran by latex agglutination test. This study also served to correlate sex and age with mentioned results in cases. Therefore, 193 serum samples were collected from clinically healthy horses at 9 race clubs in Kerman, Yazd and Golestan provinces, Iran. According to the results, antibodies against hydatidosis were detected in 6 sera (3...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Purobi Nath, Arun K Yadav
The aim of this study was to investigate the in vitro and in vivo anticestodal effects of methanol extract of Hibiscus rosa-sinensis L. (Malvaceae) leaf against Hymenolepis diminuta (Rudolphi, 1819), a zoonotic tapeworm. Under the in vitro study, H. diminuta worms were exposed to 10, 20 and 40 mg/ml concentrations of methanol leaf extract and the effects were judged on the basis of physical motility/mortality of worms. On the other hand, in the case of in vivo study, H. diminuta infected rats were treated individually with 200, 400 and 800 mg/kg doses of leaf extract for 5 days...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Seongjun Choe, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Youngsun Lee, Ki-Jeong Na, In-Yong Lee, Keeseon S Eom
Parasites are recorded from the red squirrel, Sciurus vulgaris, from Cheongju, the Republic of Korea. A total of 5 road-killed squirrels were thoroughly examined for internal and external parasites from November 2011 to May 2014. Total 4 parasite species, including 1 tapeworm and 3 ectoparasite species were recovered. They were morphologically identified as Catenotaenia dendritica (Cestoda: Catenotaeniidae), Hirstionyssus sciurinus, Leptotrombidium pallidum, and Ceratophyllus (Monopsyllus) indages. Among them, C...
August 2016: Korean Journal of Parasitology
Vijaya, Arun K Yadav
A large number of medicinal plants are used as herbal remedy for the treatment of helminthic diseases in the developing countries, however, far too little attention has been paid to assess the anthelmintic potentials of chemical compounds that are present in these plants. This study was carried out to assess the in vitro anthelmintic effects of biochanin A, ursolic acid, betulinic acid and beta-sitosterol which are the major phytochemicals of Trifolium repens, Houttuynia cordata and Lasia spinosa, the traditionally used anthelmintic plants of Northeast India...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Liina Kinkar, Teivi Laurimäe, Sami Simsek, Ibrahim Balkaya, Adriano Casulli, Maria Teresa Manfredi, Francisco Ponce-Gordo, Antonio Varcasia, Antti Lavikainen, Luis Miguel González, Steffen Rehbein, Joke VAN DER Giessen, Hein Sprong, Urmas Saarma
Echinococcus granulosus is the causative agent of cystic echinococcosis. The disease is a significant global public health concern and human infections are most commonly associated with E. granulosus sensu stricto (s. s.) genotype G1. The objectives of this study were to: (i) analyse the genetic variation and phylogeography of E. granulosus s. s. G1 in part of its main distribution range in Europe using 8274 bp of mtDNA; (ii) compare the results with those derived from previously used shorter mtDNA sequences and highlight the major differences...
November 2016: Parasitology
Man Thi Thuy Nguyen, Sarah Gabriël, Emmanuel Nji Abatih, Pierre Dorny
Taenia hydatigena, a non-zoonotic tapeworm species shares the same intermediate hosts with other Taenia zoonotic species, such as Taenia solium in pigs and Taenia saginata in cattle. The occurrence of T. hydatigena in pigs and cattle may cause cross-reactions in immunodiagnostic tests and therefore, complicate the diagnosis of the zoonotic species. This study was conducted to systematically review the data on the prevalence of T. hydatigena in pigs and cattle, with the aim to assess the potential interference in serological diagnosis of zoonotic Taenia spp...
August 15, 2016: Veterinary Parasitology
Eligia Rodríguez-Ponce, Jorge F González, Magnolia Conde de Felipe, Julia N Hernández, J Raduan Jaber
The presence of zoonotic parasites in feral cats have been widely considered all over the world. In Gran Canaria (Macaronesian archipelago, Canary Islands, Spain) the number of feral cats has grown out of control in urban and rural areas. 48 of Felis catus captured in different Gran Canaria areas were studied. Animals were necropsied and several organs were systematically examined in order to collect and identify macroscopic parasites. In addition, coprological tests were done in 28 cats. There were no statistically significant differences in the prevalence rate among sex, age or capture area, showing an overall prevalence of helminths of 77...
September 1, 2016: Acta Parasitologica
Kevin Louis Bardosh, Ikhlass El Berbri, Marie Ducrotoy, Mohammed Bouslikhane, Fassi Fihri Ouafaa, Susan C Welburn
This study traces the biosocial dynamics of Echinococcus granulosus - a zoonotic tapeworm spread between dogs, livestock and people - at slaughterhouses in Morocco. One of the most important parasitic zoonoses worldwide, this neglected cestode is responsible for a debilitating, potentially life-threatening, human disease and significant livestock production losses. Transmission can be interrupted, among other ways, by restricting dogs from eating cyst-infected livestock viscera. Recent epidemiological studies in Sidi Kacem province, northern Morocco, found that government-operated slaughterhouses were 'hotspots' for hydatid cysts in livestock and infection in dogs...
September 2016: Journal of Biosocial Science
Mohammad Mirzaei, Hadi Rezaei, Ahmad Nematollahi, Javad Ashrafihelan
Hydatid Disease is the name given to the condition caused by the zoonotic tapeworm Echinococcus granulosus. The tapeworm spends most of its adult life in the intestine of its definitive host, namely canids and in particular the dog. The tapeworm eggs become voided in the canids' faeces and as a result of ingesting the eggs, infection passes to the intermediate host, commonly herbivores while grazing. However, humans can become accidentally infected and hydatid cysts may develop throughout the body. During April 2010-February 2014, a total 198 camels, which had been sent to the abattoir, the daily number of hydatid infected livers and lungs of camels slaughtered at Tabriz abattoir were recorded...
June 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Saifullah Khalid, Faisal Jamal, Dalia Rafat, Murad Ahmed, Sabarish Narayanasamy, Amber Obaid, Mariam Shadan
Hydatid disease (HD) is a commonly occurring zoonotic disease caused by tapeworms of the genus Echinococcus. It is endemic in many parts of the world and can involve almost any organ of the body. Although HD of the liver and lungs is quite common, ovarian involvement is rare. We present a case of a 24-year-old female patient who was diagnosed with multifocal hydatidosis involving the liver and bilateral ovaries on imaging. Postoperative histopathology confirmed the hydatid disease in the liver and one ovary...
October 2016: Journal of Medical Ultrasonics
Leidi Laurimaa, Epp Moks, Egle Soe, Harri Valdmann, Urmas Saarma
Red fox (Vulpes vulpes) is the most widely distributed canid in the world and an important source of multiple zoonotic pathogens capable of causing life-threatening diseases, such as rabies and alveolar echinococcosis. Informing general public of potential risks related to foxes is becoming more important since the fox densities have increased in many countries and the species is colonizing urban areas in Europe and around the world with increasing pace, bringing zoonotic pathogens to the immediate neighbourhood of humans and their companion animals...
September 2016: Parasitology
Mohey Abdelhafez Hassanain, Raafat Mohamed Shaapan, Fathia Abdelrazik M Khalil
Cystic echinococcosis (CE) is a severe zoonotic disease which affects both human and animals. The disease has a considerable economic and social impact, because it has numerous complications leading to important disabilities and even death. CE is a widespread chronic endemic helminthic disease caused by infection with metacestodes of tapeworm Echinococcus granulosus. This study was conducted to diagnosis human CE by hydatid cyst antigens from camels and sheep. Hydatid fluid and protoscoleces crude antigens corresponding to camel and sheep were resolute by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) under reducing conditions and the protein bands of different antigens were exposed to infected patients serum CE through western blot (WB) assay...
March 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
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