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https://www.readbyqxmd.com/read/29782829/global-phylogeography-and-genetic-diversity-of-the-zoonotic-tapeworm-echinococcus-granulosus-sensu-stricto-genotype-g11
#1
Liina Kinkar, Teivi Laurimäe, Gerardo Acosta-Jamett, Vanessa Andresiuk, Ibrahim Balkaya, Adriano Casulli, Robin B Gasser, Joke van der Giessen, Luis Miguel González, Karen L Haag, Houria Zait, Malik Irshadullah, Abdul Jabbar, David J Jenkins, Eshrat Beigom Kia, Maria Teresa Manfredi, Hossein Mirhendi, Selim M'rad, Mohammad Rostami-Nejad, Myriam Oudni-M'rad, Nora Beatriz Pierangeli, Francisco Ponce-Gordo, Steffen Rehbein, Mitra Sharbatkhori, Sami Simsek, Silvia Viviana Soriano, Hein Sprong, Viliam Šnábel, Gérald Umhang, Antonio Varcasia, Urmas Saarma
Echinococcus granulosus sensu stricto (s.s.) is the major cause of human cystic echinococcosis worldwide and is listed among the most severe parasitic diseases of humans. To date, numerous studies have investigated the genetic diversity and population structure of E. granulosus s.s. in various geographic regions. However, there has been no global study. Recently, using mitochondrial DNA, it was shown that E. granulosus s.s. G1 and G3 are distinct genotypes, but a larger dataset is required to confirm the distinction of these genotypes...
May 18, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29781421/molecular-phylogeny-based-on-six-nuclear-genes-suggests-that-echinococcus-granulosus-sensu-lato-genotypes-g6-g7-and-g8-g10-can-be-regarded-as-two-distinct-species
#2
Teivi Laurimäe, Liina Kinkar, Epp Moks, Thomas Romig, Rihab A Omer, Adriano Casulli, Gérald Umhang, Guna Bagrade, Malik Irshadullah, Mitra Sharbatkhori, Hossein Mirhendi, Francisco Ponce-Gordo, Silvia V Soriano, Antonio Varcasia, Mohammad Rostami-Nejad, Vanessa Andresiuk, Urmas Saarma
Tapeworms of the species complex of Echinococcus granulosus sensu lato (s. l.) are the cause of a severe zoonotic disease - cystic echinococcosis, which is listed among the most severe parasitic diseases in humans and is prioritized by the World Health Organization. A stable taxonomy of E. granulosus s. l. is essential to the medical and veterinary communities for accurate and effective communication of the role of different species in this complex on human and animal health. E. granulosus s. l. displays high genetic diversity and has been divided into different species and genotypes...
May 21, 2018: Parasitology
https://www.readbyqxmd.com/read/29780006/investigation-of-the-applicability-of-a-rapid-diagnosis-test-in-the-diagnosis-of-cystic-echinococcosis
#3
Sema Ertuğ, Serçin Özlem Çalışkan, Erdoğan Malatyalı, Hatice Ertabaklar
OBJECTIVE: Echinococcus granulosus, the etiological agent of cystic echinococcosis (CE) in humans and livestock, is a widely distributed zoonotic pathogen tapeworm. The infection is transmitted to humans by the ingestion of E. granulosus eggs released in the feces of definitive hosts such as dogs. The larval stage of the parasite develops a slowly enlarging cyst in the visceral organs, particularly in the liver and/or lung. The aim of the present study was to evaluate the diagnostic value of an immunochromatographic test (ICT) for CE...
May 21, 2018: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/29774832/intense-focus-of-alveolar-echinococcosis-south-kyrgyzstan
#4
Bakhadyr Bebezov, Nurlan Mamashev, Tilek Umetaliev, Iskender Ziadinov, Philip S Craig, Deborah E Joekel, Peter Deplazes, Felix Grimm, Paul R Torgerson
Human alveolar echinococcosis (AE) is a highly pathogenic zoonotic parasitic disease caused by Echinococcus multilocularis. An ultrasound study in southern Kyrgyzstan during 2012 revealed a prevalence of 4.2% probable or confirmed AE and an additional 2.2% possible AE, representing an emerging situation. The risk for probable or confirmed AE was significantly higher in dog owners.
June 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29773136/molecular-characterization-of-echinococcus-species-in-dogs-from-four-regions-of-kenya
#5
Erastus Mulinge, Japhet Magambo, David Odongo, Sammy Njenga, Eberhard Zeyhle, Cecilia Mbae, Dorothy Kagendo, Francis Addy, Dennis Ebi, Marion Wassermann, Peter Kern, Thomas Romig
Cystic echinococcosis is endemic both in livestock and humans in many parts of Kenya. However, very little data exists on Echinococcus infections in dogs, and therefore their role in maintaining the transmission cycles and environmental contamination with eggs of Echinococcus species is unknown. The study aimed to establish the prevalence and distribution of Echinococcus granulosus sensu lato causing infection in dogs in Kenya. A total of 1621 dog faecal samples were collected from the environment in four different regions and examined microscopically for the presence of taeniid eggs...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29773130/identification-of-emu-tegp11-an-ef-hand-domain-containing-tegumental-protein-of-echinococcus-multilocularis
#6
Yadong Zheng, Xiaola Guo, Meng Su, Xiaoqian Chen, Xiaoliang Jin, Juntao Ding, Zhengrong Wang, Xinwen Bo, Mazhar Ayaz, Ivan Kutyrev, Wanzhong Jia, Xichen Zhang, Jing Zhang
Tegumental proteins (TegPs) are a group of proteins that coat on the surface of worms, mainly being involved in ion uptake and immune evasion. Echinococcus species have many TegPs, but none of them have been characterized and their role remains unclear. The genome-wide analysis revealed that there were at least 14 tegp genes (tegp1 - 14) in Echinococcus species, the majority of which were found to contain an EF-hand domain or a dynein light chain-like domain or both. Despite low identity, all TegP11 proteins from 25 flatworms were conserved in structure...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29773127/taeniid-metacestodes-in-rangeland-goats-in-australia
#7
D J Jenkins, B Cowled, V Brookes
Data on several infections of sheep and goats, including parasite infections, are routinely collected during inspection of harvested rangeland goats after slaughter. This is an important role of the Australian National Sheep Health Monitoring Program (NSHMP). Our study investigated the presence of metacestodes of Taenia hydatigena, T. ovis and Echinococcus granulosus in slaughtered goats from Queensland, New South Wales and Western Australia. During the period of the study (2007-2013) 374,580 goats were slaughtered and inspected by trained abattoir meat inspectors as part of the NSHMP...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29772887/spatial-prediction-of-the-risk-of-exposure-to-echinococcus-spp-among-schoolchildren-and-dogs-in-ningxia-hui-autonomous-region-people-s-republic-of-china
#8
Angela M Cadavid Restrepo, Yu Rong Yang, Donald P McManus, Darren J Gray, Tamsin S Barnes, Gail M Williams, Ricardo J Soares Magalhães, Archie C A Clements
The geographical distribution of Echinococcus spp. infections in Ningxia Hui Autonomous Region (NHAR) has been reported to be expanding in response to environmental change. The aim of the present study was to predict and compare the spatial distribution of human seropositivity for Echinococcus granulosus and Echinococcus multilocularis and infections with these parasites in dogs in four counties in the south of NHAR to identify communities where targeted prevention and control efforts are required. Predicted seroprevalence of E...
May 7, 2018: Geospatial Health
https://www.readbyqxmd.com/read/29771992/first-description-of-echinococcus-ortleppi-and-cystic-echinococcosis-infection-status-in-chile
#9
Felipe Corrêa, Caroll Stoore, Pamina Horlacher, Mauricio Jiménez, Christian Hidalgo, Cristian A Alvarez Rojas, Guilherme Figueiredo Barros, Henrique Bunselmeyer Ferreira, Marcela Hernández, Gonzalo Cabrera, Rodolfo Paredes
Cystic echinococcosis (CE), a parasitic disease caused by the cestode Echinococcus granulosus sensu lato (s.l.), is a worldwide zoonotic infection. Although endemic in Chile, information on the molecular characteristics of CE in livestock remains scarce. Therefore we aimed to describe the status of infection with E. granulosus s.l. in cattle from central Chile and also to contribute to the study of the molecular epidemiology of this parasite. According to our results, the prevalence of CE is 18.84% in cattle, similar to previous reports from Chile, suggesting that the prevalence in Santiago Metropolitan area has not changed in the last 30 years...
2018: PloS One
https://www.readbyqxmd.com/read/29770660/-genotyping-and-gene-nucleotide-polymorphism-of-epidemic-strain-of-echinococcus-granulosus-metacestode-from-humans-and-sheep-in-tianjun-region-qinghai-province
#10
Zhang Xue-Yong, Jian Ying-Na, Li Xiu-Ping, Han Xiu-Ming, Caidan Zhuo-Ma, Li Fu-Shou, Ma Li-Qing
OBJECTIVE: To understand the genotypes and nucleotide polymorphisms of Echinococcus granulosus metacestode from humans and sheep in Tianjun region, Qinghai Province. METHODS: The specific primers were designed according to the cox1 and nad1 genes of E. granulosus mitochondrial genome sequences accessed by GenBank. The primers were used to detect the cyst samples from 16 sheep and 2 humans infected with E. granulosus in Tianjun region of Qinghai Province by PCR, then the PCR amplification products were sequenced, the genotypes and nucleotide polymorphisms of the cox1 and nad1 genes were analyzed...
March 12, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
https://www.readbyqxmd.com/read/29770657/-cloning-expression-and-immunity-analysis-of-transketolase-of-echinococcus-granulosus
#11
Cao De-Ping, Zhang Yao-Gang, Li Chao-Qun, Liu Jia, Jiang Bo-Fan
OBJECTIVE: To obtain the prokaryotic expression of transketolase genes and analyze its value as a diagnostic antigen for echinococcosis. METHODS: TK gene was amplified by PCR and cloned into prokaryotic vector pMD19-EgTK, and then subcloned into the expression vector pET-28a. The target gene TK prokaryotic expression plasmid pET-28a was constructed and transferred into BL21. The purified protein was identified by SDS-PAGE and Western blotting. The blood samples of patients with cystic echinococcosis (CE group), alveolar echinococcosis (AE group) and healthy people (healthy group) were collected and detected by ELISA with the recombinant EgTK protein as a diagnostic antigen...
April 20, 2018: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
https://www.readbyqxmd.com/read/29769131/echinococcus-multilocularis-and-echinococcus-shiquicus-in-a-small-mammal-community-on-the-eastern-tibetan-plateau-host-species-composition-molecular-prevalence-and-epidemiological-implications
#12
Xu Wang, Jiayu Liu, Qingqiu Zuo, Zhiqiang Mu, Xiaodong Weng, Xiaohui Sun, Junyao Wang, Belgees Boufana, Philip S Craig, Patrick Giraudoux, Francis Raoul, Zhenghuan Wang
BACKGROUND: The eastern part of the Tibetan Plateau is now recognized as an endemic region with the highest reported human infection rates in the world of human alveolar echinococcosis (AE) caused by Echinococcus multilocularis. Existing epidemiological studies on AE have mainly focused on the synanthropic environment, while basic parasitological and ecological aspects in wildlife host species remain largely unknown, especially for small mammal hosts. Therefore, we examined small mammal host species composition, occurrence, and the prevalence of both E...
May 16, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29765999/genetic-variability-of-antigen-b8-1-among-echinococcus-granulosus-isolates-from-human-cattle-and-sheep-in-fars-province-southern-iran
#13
Asieh Fatemi Esfedan, Bahador Sarkari, Fataneh Mikaeili
Background: Cystic echinococcosis (CE), known as hydatid cyst, is a zoonotic parasitic infection caused by the larval stage of Echinococcus granulosus (E. granulosus) . Antigen B, the major component of hydatid cyst fluid, is encoded by members of a multigene family. The present study aimed to evaluate the genetic diversity of the gene encoding antigen B8/1 ( EgAgB8/1 ) among the main intermediate hosts of E. granulosus . Methods: Twenty-eight hydatid cyst isolates (10 sheep, 9 human, and 9 cattle) were collected in Fars province, Iran...
April 2018: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29756728/-hydatid-disease-in-children-of-buenos-aires-province
#14
Pilar Álvarez, Nicolás Castiglione, Sergio Moreno, Jorge Bolpe
Hydatidosis is a parasitic zoonosis caused by Echinococcus granulosus. It is endemic in Argentina and in the province of Buenos Aires, especially to the south of the Rio Salado basin. During 2014 and 2016, the Department of Rural Zoonoses was notified of 479 cases of hydatidosis, with 12.1% confirmed in children under 18 years of age. Fifty-nine percent corresponded to males and the group of 13 to 17 years was the most prevalent one (47%). Sixty-four percent had liver involvement, 22% pulmonary involvement, 5% hepatopulmonary involvement, 5% splenic involvement and 4% cerebral involvement...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29753095/cerebral-cystic-echinococcosis-in-mongolian-children-caused-by-echinococcus-canadensis
#15
Orkhontuul Shirmen, Batbold Batchuluun, Avaajigmed Lkhamjav, Tugbayar Tseveen, Tsetsegdelger Munkhjargal, Tsogtsaikhan Sandag, Enkhsaikhan Lkhagvasuren, Tetsuya Yanagida, Yuji Nishikawa, Akira Ito
Recent molecular re-evaluation of Echinococcus granulosus, which causes cystic echinococcosis (CE), has revealed that it is not a single species, but instead consists of 5 cryptic species. Among them, E. granulosus (dog-sheep strain) is predominant (75%) followed by Echinococcus canadensis (22%). The major affected organs, in humans, are the liver (88%) and lungs (11%). Primary cerebral CE comprises less than 1% of all cases. As cerebral CE cases are rare, there are few reports with molecular confirmation of the causative species...
May 9, 2018: Parasitology International
https://www.readbyqxmd.com/read/29752648/human-cystic-echinococcosis-in-hungary-2000-2014-a-retrospective-case-series-analysis-from-a-single-center-study
#16
Balázs Dezsényi, Áron Somorácz, József Danka, István Kucsera, Thomas F E Barth, Adriano Casulli
PURPOSE: Cystic echinococcosis (CE) is a parasitic disease caused by the tapeworm Echinococcus granulosus sensu lato. Although in Hungary the disease is listed among reportable infections, inadequacies in the reporting practice of CE by clinicians and pathologists have resulted in underscoring of this disease. The aim of this study was to describe the epidemiological and clinical characteristics of CE in Hungary using a datasource other than the official records that are based mainly on serological data...
May 11, 2018: Infection
https://www.readbyqxmd.com/read/29749971/erratum-modulation-of-human-melanoma-cell-proliferation-and-apoptosis-by-hydatid-cyst-fluid-of-echinococcus-granulosus-corrigendum
#17
(no author information available yet)
[This corrects the article on p. 1447 in vol. 11, PMID: 29588599.].
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29746870/in-vitro-and-in-vivo-efficacies-of-carbazole-aminoalcohols-in-the-treatment-of-alveolar-echinococcosis
#18
Zhisheng Dang, Shuo Xu, Haobing Zhang, Weifeng Gui, Yumin Zhao, Liping Duan, Wei Hu
Benzimidazoles, including albendazole and mebendazole, are the major drugs for clinical chemotherapy of echinococcosis. They mainly exert parasitostatic effects depending on high dosages for long-term. Previous studies have identified carbazole aminoalcohols as novel anti-CE (cystic echinococcosis) agents. However, it is still to be confirmed whether it is effective on alveolar echinococcosis (AE) or not. In the present study, efficacies of novel carbazole aminoalcohols, propylamine, R-propylamine and S-propylamine were evaluated under in vitro and in vivo conditions...
May 7, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29744124/neurological-disorders-caused-by-two-cerebral-alveolar-hydatid-cysts-in-an-old-woman-a-rare-case-report
#19
Hossein Mokhtari, Mohammadamin Sadeghdoust, Farnaz Aligolighasemabadi, Amirhossein Hashemiattar, Vahid Ariabod, Saied Rahighi
Alveolar hydatid disease, caused by Echinococcus multilocularis , is a life-threatening infectious disease which primarily occurs in the liver. Intracranial hydatid disease is a rare presentation with reported incidence of ~1% of all cases. Here we reported a 60-year-old woman, with the past history of hydatid cysts in her liver, who was presented to us with progressive symptoms consist of headaches, diminished vision, cognitive disorders and delusion. She was disoriented in time, space and person. Bilateral mild papilledema and exaggerated reflexes were observed...
August 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29736732/prevalence-and-genotyping-of-echinococcus-granulosus-in-sheep-in-narok-county-kenya
#20
D O Odongo, C M Tiampati, E Mulinge, C K Mbae, R P Bishop, E Zeyhle, J Magambo, M Wasserman, P Kern, T Romig
Cystic echinococcosis (CE) is a zoonotic disease caused by the larval stage of Echinococcus granulosus species (sensu lato, s.l.). In East Africa, several species/strains occur in livestock, wildlife, and humans, but there is limited information on frequencies of infection by different genotypes in the various mammalian hosts. We have obtained data on E. granulosus infection prevalence in sheep sampled from abattoirs in Narok County, southern Kenya. We inspected carcasses for the presence of hydatid cysts in 180 sheep randomly selected in five sub-locations...
May 8, 2018: Parasitology Research
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