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https://www.readbyqxmd.com/read/28433562/characterization-of-the-complete-mitochondrial-genome-of-khawia-sinensis-belongs-among-platyhelminths-cestodes
#1
Yan Feng, Han-Li Feng, Yi-Hui Fang, Ying-Bing Su
Khawia sinensis is an important species in freshwater fish causing considerable economic losses to the breeding industry. This is the first mt genome of a caryophyllidean cestode characterised. The entire mt genome of K. sinensis is 13,759 bp in length. This mt genome contains 12 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes and two non-coding regions. The arrangement of the K. sinensis mt genome is the same as other tapeworms, however, the incomplete stop codon (A) is more frequent that other species...
April 20, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28426415/detection-of-echinococcus-multilocularis-dna-in-fruit-vegetable-and-mushroom-samples-collected-in-the-non-endemic-territory-of-the-pomerania-province-and-comparison-of-the-results-with-data-from-rural-areas-of-the-neighbouring-highly-endemic-warmia-masuria
#2
Anna Lass, Beata Szostakowska, Przemyslaw Myjak, Krzysztof Korzeniewski
Echinococcus multilocularis is a tapeworm that may cause alveolar echinococcosis (AE), one of the most dangerous parasitic zoonoses. As in the case of some foodborne diseases, unwashed fruits and vegetables contaminated with eggs of E. multilocularis may serve as an important transmission route for this parasite. The aim of this study was to investigate the presence of E. multilocularis DNA in fruit, vegetables, and mushrooms in rural areas of the Pomerania province, Poland (non-endemic territory). In total, 104 environmental fruit, vegetable, and mushroom samples collected in forests, plantations, and kitchen gardens were analysed using nested PCR based on the mitochondrial 12S rRNA gene...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426409/a-new-species-of-oochoristica-cyclophyllidea-linstowiidae-from-non-native-mediterranean-geckos-hemidactylus-turcicus-sauria-gekkonidae-from-texas-usa
#3
Chris T McAllister, Charles R Bursey
A new species of cyclophyllidean tapeworm, Oochoristica harschi sp. nov. is described from 2 of 18 (11%) non-native Mediterranean geckos (Hemidactylus turcicus) collected in June 2016 from Tom Green County, Texas, USA The new species has few characteristics in common with 17 species of Oochoristica previously described from Nearctic reptiles. Of this group, O. harschi is most similar to O. macallisteri Bursey and Goldberg, 1996 from the side-blotched lizard, Uta stansburiana from Arizona and California, USA, in number of testes, 14-20 vs...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426407/helminth-cestoda-nematoda-and-coccidian-apicomplexa-eimeriidae-parasites-of-the-eastern-small-footed-myotis-myotis-leibii-chiroptera-vespertilionidae-from-arkansas-with-a-description-of-a-new-species-of-eimeria
#4
Chris T McAllister, R Scott Seville, Charles R Bursey
During May and July 2016, 32 eastern small-footed myotis (Myotis leibii) were collected from five counties of northwestern Arkansas and their faeces examined for coccidian parasites. Four of 32 (13%) M. leibii harboured an eimerian that we describe here as new. Oocysts of Eimeria sassei sp. n. were ovoidal to ellipsoidal with a bi-layered wall and measured (length × width, L × W) 18.3 × 15.2 µm, with an L/W ratio of 1.2. A micropyle and oocyst residuum were absent but 1-2 polar granules were present. Sporocysts were ovoidal, 9...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28424102/gaining-insights-into-the-ecological-role-of-the-new-zealand-sole-peltorhamphus-novaezeelandiae-through-parasites
#5
T Anglade, H S Randhawa
Despite the fact that tapeworms comprise the bulk of parasite communities of sharks in marine ecosystems, little is known about their life cycles and, more specifically, about the potential intermediate hosts they utilize as transmission routes. In the absence of morphological features required for specific identification of larval tapeworms from potential intermediate hosts, recent molecular advances have contributed to linking larval and adult parasites and, in some instances, uncovering unknown trophic links...
April 20, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28416007/disseminated-alveolar-echinococcosis-resembling-metastatic-malignancy-a-case-report
#6
Laura Caire Nail, Ezequiel Rodríguez Reimundes, Christelle Weibel Galluzzo, Dan Lebowitz, Yasmine Lucile Ibrahim, Johannes Alexander Lobrinus, François Chappuis
BACKGROUND: Alveolar echinococcosis is a potentially lethal zoonosis caused by larval forms of the tapeworm Echinococcus multilocularis. Humans are aberrant intermediate hosts who become infected by ingestion of egg-contaminated food or water or via physical contact with domestic or wild animals that carry the parasite in their small intestine. In humans, the disease usually affects the liver and can spread to other organs causing metastatic infiltration. In this report, we describe an advanced presentation of human alveolar echinococcosis mimicking metastatic malignancy...
April 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28406898/spatial-relationship-between-taenia-solium-tapeworm-carriers-and-necropsy-cyst-burden-in-pigs
#7
Ian W Pray, Viterbo Ayvar, Ricardo Gamboa, Claudio Muro, Luz M Moyano, Victor Benavides, Robert H Flecker, Hector H Garcia, Seth E O'Neal
BACKGROUND: Taenia solium, a parasite that affects humans and pigs, is the leading cause of preventable epilepsy in the developing world. Geographic hotspots of pigs testing positive for serologic markers of T. solium exposure have been observed surrounding the locations of human tapeworm carriers. This clustered pattern of seropositivity in endemic areas formed the basis for geographically targeted control interventions, which have been effective at reducing transmission. In this study, we further explore the spatial relationship between human tapeworm carriers and infected pigs using necroscopic examination as a quantitative gold-standard diagnostic to detect viable T...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28394904/discordant-population-histories-of-host-and-its-parasite-a-role-for-ecological-permeability-of-extreme-environment
#8
Dagmar Jirsová, Jan Štefka, Miloslav Jirků
Biogeographical and ecological barriers strongly affect the course of micro-evolutionary processes in free living organisms. Here we assess the impact of a recently emerged barrier on populations of limnic fauna. Genetic diversity and population structure in a host-parasite system (Wenyonia virilis tapeworm, Synodontis schall catfish) are analyzed in the recently divided Turkana and Nile basins. The two basins, were repeatedly connected during the Holocene wet/dry climatic oscillations, following late Pleistocene dessication of the Turkana basin...
2017: PloS One
https://www.readbyqxmd.com/read/28384109/an-incidental-finding-of-heart-echinococcosis-in-a-patient-with-infective-endocarditis-a-case-report
#9
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
https://www.readbyqxmd.com/read/28381855/tapeworms-diagnosed-by-capsule-endoscopy-an-unusual-cause-of-abdominal-pain-in-a-child
#10
Eugenie C Shieh, Gerard E Mullin
No abstract text is available yet for this article.
April 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28376856/the-causal-relationship-between-neurocysticercosis-infection-and-the-development-of-epilepsy-a-systematic-review
#11
REVIEW
Lucy B Gripper, Susan C Welburn
BACKGROUND: Neurocysticercosis (NCC) is a parasitic infection of the human central nervous system, the most common form of which involves infection of the brain parenchyma with the larval form of the Taenia solium tapeworm. A causal relationship between such an NCC infection and the development of epilepsy in infected individuals is acknowledged, in part supported by high levels of comorbidity in endemic countries worldwide. METHODS: This study undertook a systematic review and critical analysis of the NCC-epilepsy relationship with the primary objective of quantifying the risk of developing epilepsy following NCC infection...
April 5, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28367059/niclosamide-inhibition-of-stat3-synergizes-with-erlotinib-in-human-colon-cancer
#12
Lingyi Shi, Hailun Zheng, Wanle Hu, Bin Zhou, Xuanxuan Dai, Yi Zhang, Zhiguo Liu, Xiaoping Wu, Chengguang Zhao, Guang Liang
Niclosamide, an anthelmintic drug approved by the US Food and Drug Administration against cestodes, is used to treat tapeworm infection. In this study, we show that niclosamide can potentially inhibit signal transducer and activator of transcription 3 (STAT3) in colon cancer cell lines. Combined inhibition of epidermal growth factor receptor and STAT3 by erlotinib and niclosamide synergistically induces apoptosis and antiproliferation in colon cancer cell lines. Our findings suggest that erlotinib and niclosamide combination provides an effective therapeutic approach to improving the prognosis of colon cancer...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28349853/molecular-identification-of-cryptic-cysticercosis-taenia-ovis-krabbei-in-wild-intermediate-and-domestic-definitive-hosts
#13
N Formenti, M Chiari, T Trogu, A Gaffuri, C Garbarino, M B Boniotti, C Corradini, P Lanfranchi, N Ferrari
The complex life cycle of taeniids represents an ideal model of a multi-host system. The complexity of these parasites can therefore cover the epidemiological issues of the interface between wild and domestic animals, especially once spatial overlap between wild and domestic definitive and intermediate hosts occurs. Here we use the occurrence of Taenia ovis krabbei in two model areas as an example of this epidemiological complexity. In two contiguous areas in the Italian northern Apennines, two hunted roe deer (Capreolus capreolus) showed numerous cysticerci in the muscles of their whole body and an adult tapeworm was recorded in a semi-stray dog (Canis lupus familiaris)...
March 28, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28342885/high-throughput-identification-of-mirnas-of-taenia-ovis-a-cestode-threatening-sheep-industry
#14
Yadong Zheng
Taenia ovis is a tapeworm that is mainly transmitted between dogs and sheep or goats and has an adverse effect on sheep industry. miRNAs are short regulatory non-coding RNAs, involved in parasite development and growth as well as parasite infection. The miRNA profile of T. ovis remains to be established. Herein, 33 known miRNAs belonging to 23 different families were identified in T. ovis metacestodes using deep sequencing approach. Of them, expression of some miRNAs such as tov-miR-10 and -let-7 was absolutely predominant...
March 22, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28331385/annotated-checklist-of-fish-cestodes-from-south-america
#15
Philippe V Alves, Alain de Chambrier, Tomáš Scholz, José L Luque
An exhaustive literature search supplemented by a critical examination of records made it possible to present an annotated checklist of tapeworms (Cestoda) that, as adults or larvae (metacestodes), parasitize freshwater, brackish water and marine fishes, i.e. cartilaginous and bony fishes, in South America. The current knowledge of their species diversity, host associations and geographical distribution is reviewed. Taxonomic problems are discussed based on a critical evaluation of the literature and information on DNA sequences of individual taxa is provided to facilitate future taxonomic and phylogenetic studies...
2017: ZooKeys
https://www.readbyqxmd.com/read/28330806/a-fish-model-for-the-study-of-the-relationship-between-neuroendocrine-and-immune-cells-in-the-intestinal-epithelium-silurus-glanis-infected-with-a-tapeworm
#16
B Sayyaf Dezfuli, J A DePasquale, G Castaldelli, L Giari, G Bosi
Immunohistochemical, immunofluorescence and ultrastructural studies were conducted on a sub-population of 20 wels catfish Silurus glanis from a tributary of the River Po (Northern Italy). Fish were examined for the presence of ecto- and endo-parasites; in the intestine of 5 fish, 11 specimens of cestode Glanitaenia osculata were noted and was the only helminth species encountered. The architecture of intestine and its cellular features were nearly identical in either the uninfected S. glanis or in those harboring G...
May 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28328597/clinical-manifestation-of-a-patient-with-forehead-sparganosis
#17
Soung Min Kim, Emmanuel Kofi Amponsah, Mi Young Eo, Yun Ju Cho, Suk Keun Lee
Human sparganosis is a parasite infection caused by the larva of a tapeworm of the genus Spirometra. Ocular, central nervous system, auricular, pulmonary, intraosseous, intraperitoneal, and subcutaneous manifestations of this infection in the neck or inguinal region have been described.The authors report the rare occurrence of cutaneous forehead sparganosis of a 19-year-old male who presented with a soft subcutaneous mass in the forehead, along with a related literature review.
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28322743/an-experimental-approach-to-the-immuno-modulatory-basis-of-host-parasite-local-adaptation-in-tapeworm-infected-sticklebacks
#18
Madeleine Hamley, Frederik Franke, Joachim Kurtz, Jörn Peter Scharsack
The evolutionary arms race of hosts and parasites often results in adaptations, which may differ between populations. Investigation of such local adaptation becomes increasingly important to understand dynamics of host-parasite interactions and co-evolution. To this end we performed an infection experiment involving pairs of three-spined sticklebacks and their tapeworm parasite Schistocephalus solidus from three geographically separated origins (Germany, Spain and Iceland) in a fully-crossed design for sympatric and allopatric host/parasite combinations...
March 18, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28322697/molecular-identification-of-spirometra-erinaceieuropaei-tapeworm-in-cases-of-human-sparganosis-hong-kong
#19
Tommy H C Tang, Samson S Y Wong, Christopher K C Lai, Rosana W S Poon, Helen S Y Chan, Tak Chiu Wu, Yuk-Fai Cheung, Tak-Lap Poon, Yi-Po Tsang, Wai-Lun Tang, Alan K L Wu
Human sparganosis is a foodborne zoonosis endemic in Asia. We report a series of 9 histologically confirmed human sparganosis cases in Hong Kong, China. All parasites were retrospectively identified as Spirometra erinaceieuropaei. Skin and soft tissue swelling was the most common symptom, followed by central nervous system lesions.
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28318631/the-antihelmenthic-phosphate-niclosamide-impedes-renal-fibrosis-by-inhibiting-homeodomain-interacting-protein-kinase-2-expression
#20
Xiaoyan Chang, Xin Zhen, Jixing Liu, Xiaomei Ren, Zheng Hu, Zhanmei Zhou, Fengxin Zhu, Ke Ding, Jing Nie
Renal fibrosis is the final common pathway of all varieties of progressive chronic kidney disease. However, there are no effective therapies to prevent or slow the progression of renal fibrosis. Niclosamide is a US Food and Drug Administration-approved oral antihelminthic drug used for treating most tapeworm infections. Here, we demonstrated that phosphate niclosamide, the water-soluble form of niclosamide, significantly reduced proteinuria, glomerulosclrotic lesions, and interstitial fibrosis in a murine model of adriamycin nephropathy...
March 16, 2017: Kidney International
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