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https://www.readbyqxmd.com/read/28919682/prevalence-of-fascioliasis-liver-flukes-infection-in-cattle-and-buffaloes-slaughtered-at-the-municipal-abattoir-of-el-kharga-egypt
#1
Nagwa T Elshraway, Wafaa G Mahmoud
AIM: The main objectives of this study were to determine the prevalence of fascioliasis infections in cattle and buffaloes, slaughtered in El-Kharga city slaughterhouse at New Valley Governorate. MATERIALS AND METHODS: The slaughtered animals were daily inspected for liver fascioliasis allover 2016. Macroscopic fascioliasis was detected from a total of 2251 basing on animals specie, sex, season, and Fasciola spp. in addition to microscopic examination of blood, fecal samples which collected from female cattle and buffalo (50 each)...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28917540/galba-truncatula-and-fasciola-hepatica-genetic-costructures-and-interactions-with-intermediate-host-dispersal
#2
Ana C Correa, Thierry De Meeûs, Gilles Dreyfuss, Daniel Rondelaud, Sylvie Hurtrez-Boussès
Antagonistic interactions between hosts and parasites are key structuring forces in natural populations. Demographic factors like extinction, migration and the effective population size shape host-parasite metapopulational dynamics. Therefore, to understand the evolution of host-parasite systems it is necessary to study the distribution of the genetic variation of both entities simultaneously. In this paper, we investigate the population genetics co-structure of parasites and hosts within a metapopulation of the liver fluke, Fasciola hepatica, and two of its intermediate hosts, the main intermediate host in Europe, Galba truncatula, and a new intermediate host, Omphiscola glabra, in Central France...
September 13, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28916307/extreme-conservation-of-mirna-complements-in-opisthorchiids
#3
Vladimir Y Ovchinnikov, Viatcheslav A Mordvinov, Bastian Fromm
MicroRNAs (miRNAs) are important gene regulators that are key players in animal development and diseases. They are excreted in extracellular vesicles and because they were shown to be taken up by host cells they have been proposed as mediators of parasite-host communication, and potential biomarkers for the detection of parasitic infections from host blood. Consequently, it is crucial to precisely know the miRNA complements of medically important agents such as the liver flukes of the Opisthorchiidae. Using publicly available and new datasets we curated and reannotated the surprisingly small and variable miRNA complements previously described for Opisthorchis viverrini, O...
September 12, 2017: Parasitology International
https://www.readbyqxmd.com/read/28910999/infection-with-opisthorchis-felineus-induces-intraepithelial-neoplasia-of-the-biliary-tract-in-a-rodent-model
#4
Maria João Gouveia, Maria Y Pakharukova, Thewarach Laha, Banchob Sripa, Galina A Maksimova, Gabriel Rinaldi, Paul J Brindley, Viatcheslav A Mordvinov, Teresina Amaro, Lucio Lara Santos, José Manuel Correia da Costa, Nuno Vale
The liver fluke Opisthorchis felineus is a member of the triad of epidemiologically relevant species of the trematode family Opisthorchiidae, and the causative agent of opisthorchiasis felinea over an extensive range that spans regions of Eurasia. The International Agency for Research on Cancer classifies the infection with the liver flukes Opisthorchis viverrini and Clonorchis sinensis as group 1 agents and a major risk factor for cholangiocarcinoma. However, the carcinogenic potential of the infection with O...
September 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28906438/acetylcholinesterase-and-nicotinic-acetylcholine-receptors-in-schistosomes-and-other-parasitic-helminths
#5
REVIEW
Hong You, Chang Liu, Xiaofeng Du, Donald P McManus
Schistosomiasis, which is caused by helminth trematode blood flukes of the genus Schistosoma, is a serious health and economic problem in tropical areas, and the second most prevalent parasitic disease after malaria. Currently, there is no effective vaccine available and treatment is entirely dependent on a single drug, praziquantel (PZQ), raising a significant potential public health threat due to the emergence of PZQ drug resistance. It is thus urgent and necessary to explore novel therapeutic targets for the treatment of schistosomiasis...
September 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28887800/acipensericola-glacialis-n-sp-digenea-aporocotylidae-from-heart-of-lake-sturgeon-acipenser-fulvescens-rafinesque-acipenseriformes-acipenseridae-in-the-great-lakes-basin-lake-winnebago-system-usa
#6
Micah B Warren, Jackson R Roberts, Cova R Arias, Ryan P Koenigs, Stephen A Bullard
Acipensericola glacialis n. sp. infects the heart of lake sturgeon, Acipenser fulvescens (Rafinesque), in the Lake Winnebago System and differs from its only congener, Acipensericola petersoni Bullard, Snyder, Jensen & Overstreet, 2008, by having a dendritic intestine, deeply-lobed testes, a post-ovarian oötype, and a common genital pore that is medial to the dextral caecum. Acipensericola petersoni has a non-dendritic intestine, testes that are not deeply lobed, an oötype that is at level of the ovary (ventral to the ovary), and a common genital pore that is dorsal to the dextral caecum...
September 8, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28885469/bigger-is-better-comparison-of-alternative-devices-for-tension-hemopneumothorax-and-pulseless-electrical-activity-in-a-yorkshire-swine-model
#7
Matthew L Leatherman, Laura M Fluke, Christian S McEvoy, Douglas M Pokorny, Robert L Ricca, Matthew J Martin, Christopher S Gamble, Travis M Polk
BACKGROUND: Tension pneumothorax is a cause of potentially preventable death in pre-hospital and battlefield settings and 14g angiocatheter (14G AC) decompression remains the current treatment standard, despite its high incidence of failure. Traumatic pneumothorax is often associated with hemothorax, but 14G AC has no proven efficacy for associated hemothorax. We sought to compare the 14G AC to three alternative devices for treatment of tension hemopneumothorax (t-H/PTX) in a positive pressure ventilation swine model...
September 5, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28883109/ducks-and-the-control-of-liver-fluke-in-sheep
#8
Jenny Hull
No abstract text is available yet for this article.
September 9, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28877580/characterization-of-echinostoma-cinetorchis-endoribonuclease-rnase-h
#9
Sung-Bin Lim, Seok Ho Cha, Seung Jegal, Hojong Jun, Seo Hye Park, Bo-Young Jeon, Jhang Ho Pak, Young Yil Bakh, Tong-Soo Kim, Hyeong-Woo Lee
Echinostoma cinetorchis is an oriental intestinal fluke causing significant pathological damage to the small intestine. The aim of this study was to determine a full-length cDNA sequence of E. cinetorchis endoribonuclease (RNase H; EcRNH) and to elucidate its molecular biological characters. EcRNH consisted of 308 amino acids and showed low similarity to endoribonucleases of other parasites (<40%). EcRNH had an active site centered on a putative DDEED motif instead of DEDD conserved in other species. A recombinant EcRNH produced as a soluble form in Escherichia coli showed enzymatic activity to cleave the 3'-O-P bond of RNA in a DNA-RNA duplex, producing 3'-hydroxyl and 5'-phosphate...
August 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28874839/the-schistosoma-mansoni-genome-encodes-thousands-of-long-non-coding-rnas-predicted-to-be-functional-at-different-parasite-life-cycle-stages
#10
Elton J R Vasconcelos, Lucas F daSilva, David S Pires, Guilherme M Lavezzo, Adriana S A Pereira, Murilo S Amaral, Sergio Verjovski-Almeida
Next Generation Sequencing (NGS) strategies, like RNA-Seq, have revealed the transcription of a wide variety of long non-coding RNAs (lncRNAs) in the genomes of several organisms. In the present work we assessed the lncRNAs complement of Schistosoma mansoni, the blood fluke that causes schistosomiasis, ranked among the most prevalent parasitic diseases worldwide. We focused on the long intergenic/intervening ncRNAs (lincRNAs), hidden within the large amount of information obtained through RNA-Seq in S. mansoni (88 libraries)...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28828321/dicrocoelium-egg-identified-in-an-ancient-cemetery-in-kiasar-archeological-site-northern-iran-dated-back-247-bc-224-ad
#11
Negar Bizhani, Abdol Motalleb Sharifi, Mohmmad Bagher Rokni, Jean Dupouy Camet, Mostafa Rezaeian, Mohammad Fallah Kiapi, Niloofar Paknezhad, Faezeh Najafi, Gholamreza Mowlavi
BACKGROUND: Along with the newly emergence of paleoparasitology research in Iran, findings of parasites from Northern part of the county have not been reported so far. In this study tracking for the lancet liver fluke dates back 250 BC is addressed. METHODS: Samples were taken from grave crypts of the soil layers attached to the pelvic bones from above-mentioned site in 2015. The laboratory examinations were conducted in the Dept. of Medial Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran...
June 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28817104/national-and-subnational-population-based-incidence-of-cancer-in-thailand-assessing-cancers-with-the-highest-burdens
#12
Shama Virani, Surichai Bilheem, Wasan Chansaard, Imjai Chitapanarux, Karnchana Daoprasert, Somsak Khuanchana, Atit Leklob, Donsuk Pongnikorn, Laura S Rozek, Surattaya Siriarechakul, Krittika Suwanrungruang, Sukit Tassanasunthornwong, Patravoot Vatanasapt, Hutcha Sriplung
In Thailand, five cancer types-breast, cervical, colorectal, liver and lung cancer-contribute to over half of the cancer burden. The magnitude of these cancers must be quantified over time to assess previous health policies and highlight future trajectories for targeted prevention efforts. We provide a comprehensive assessment of these five cancers nationally and subnationally, with trend analysis, projections, and number of cases expected for the year 2025 using cancer registry data. We found that breast (average annual percent change (AAPC): 3...
August 17, 2017: Cancers
https://www.readbyqxmd.com/read/28816609/evidence-of-diversity-site-and-host-specificity-of-sea-turtle-blood-flukes-digenea-schistosomatoidea-spirorchiidae-a-molecular-prospecting-study
#13
Brian A Stacy, Phoebe A Chapman, Allen M Foley, Ellis C Greiner, Lawrence H Herbst, Alan B Bolten, Paul A Klein, Charles A Manire, Elliott R Jacobson
Neospirorchis (Digenea: "Spirorchiidae") are blood flukes of sea turtles. Trematodes tentatively identified as Neospirorchis sp. infect various sites within sea turtles inhabiting waters of the southeastern United States, but efforts to obtain specimens adequate for morphologic study has proven difficult. Two genetic targets, the internal transcribed spacer region of the ribosomal RNA gene and the partial mitochrondrial cytochrome c oxidase subunit I gene, were used to investigate potential diversity among parasite specimens collected from stranded sea turtles...
August 17, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28810859/the-presence-of-ovarian-cysts-in-a-captive-antillean-manatee-trichechus-manatus-manatus-l-1758
#14
Karolina Goździewska-Harłajczuk, Joanna Klećkowska-Nawrot, Stanisław Dzimira
BACKGROUND: Several pathological changes associated with reproductive systems of marine mammals have been reported in primary literature. However, no such records exist regarding ovarian cysts in the Antillean manatee (Trichechus manatus manatus L. 1758). CASE PRESENTATION: A nulliparous female Antillean manatee, held in captivity at the Wroclaw Zoological Garden, died in April 2015. The animal was 370 cm long from nose to tail and weighed 670 kg. The width of manatee's fluke was 80 cm...
August 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28807668/evidence-that-blood-flukes-trematoda-aporocotylidae-of-chondrichthyans-infect-bivalves-as-intermediate-hosts-indications-of-an-ancient-diversification-of-the-schistosomatoidea
#15
Thomas H Cribb, Rowan C Chick, Wayne O'Connor, Stephan O'Connor, Daniel Johnson, Kim B Sewell, Scott C Cutmore
Blood flukes (Aporocotylidae) of actinopterygians (bony fishes) have been shown to infect freshwater gastropods and marine polychaetes as intermediate hosts. However, no life cycle is known for any aporocotylid of chondrichthyans (cartilaginous fishes) and no adult aporocotylid has been linked to a cercaria infecting a bivalve. Here we report two novel infections that fill these gaps. Cercariae consistent with the family Aporocotylidae were found developing in sporocysts in the gonad of the surf pipi, Donax deltoides Lamarck, 1818 (Bivalvia: Donacidae), from Stockton Beach, central New South Wales, Australia...
August 12, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28807315/genetic-homogeneity-of-fascioloides-magna-in-austria
#16
Christian Husch, Helmut Sattmann, Christoph Hörweg, Josef Ursprung, Julia Walochnik
The large American liver fluke, Fascioloides magna, is an economically relevant parasite of both domestic and wild ungulates. F. magna was repeatedly introduced into Europe, for the first time already in the 19th century. In Austria, a stable population of F. magna has established in the Danube floodplain forests southeast of Vienna. The aim of this study was to determine the genetic diversity of F. magna in Austria. A total of 26 individuals from various regions within the known area of distribution were investigated for their cytochrome oxidase subunit 1 (cox1) and nicotinamide dehydrogenase subunit 1 (nad1) gene haplotypes...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28807308/presence-and-species-identity-of-rumen-flukes-in-cattle-and-sheep-in-the-netherlands
#17
H W Ploeger, L Ankum, L Moll, D C K van Doorn, G Mitchell, P J Skuce, R N Zadoks, M Holzhauer
The purpose of the study was to gain knowledge about the prevalence and identity of rumen flukes (RF) in cattle and sheep in the Netherlands. Routine faecal examinations of diagnostic submissions between May 2009 and September 2014 showed a mean annual herd or flock RF prevalence of 15.8% for cattle and 8.0% for sheep. Prevalence in cattle was higher after 2012 than before, which may reflect a change in detection method as well as an increase in true prevalence. During November and December 2014, an abattoir survey was conducted to allow for scoring of rumen fluke burden and to obtain specimens for molecular species characterization...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28805167/the-in-vitro-anthelmintic-activity-of-the-ethanol-leaf-extracts-of-terminalia-catappa-l-on-fasciola-gigantica
#18
Panat Anuracpreeda, Runglawan Chawengkirttikul, Arin Ngamniyom, Busaba Panyarachun, Panupong Puttarak, Preeyaporn Koedrith, Noppadol Intaratat
At present, there are no medicinal plant extracts currently available for treatment and control of fasciolosis. The present work could provide, for the first study, conclusions on the in vitro fasciolicidal properties of the ethanol extract of Terminalia catappa L. (TcCE) leaves against adult Fasciola gigantica after incubation with RPMI-1640 medium containing the TcCE at various concentrations and times when compared with triclabendazole (TCZ). The relative motility and survival index values of the TcCE-treated flukes decreased at a more rapid rate than the TCZ-treated flukes...
August 14, 2017: Parasitology
https://www.readbyqxmd.com/read/28798750/heme-oxygenase-1-expression-contributes-to-the-immunoregulation-induced-by-fasciola-hepatica-and-promotes-infection
#19
Paula Carasi, Ernesto Rodríguez, Valeria da Costa, Sofía Frigerio, Natalie Brossard, Verónica Noya, Carlos Robello, Ignacio Anegón, Teresa Freire
Fasciola hepatica, also known as the liver fluke, is a trematode that infects livestock and humans causing fasciolosis, a zoonotic disease of increasing importance due to its worldwide distribution and high economic losses. This parasite immunoregulates the host immune system by inducing a strong Th2 and regulatory T immune response by immunomodulating dendritic cell (DC) maturation and alternative activation of macrophages. In this paper, we show that F. hepatica infection in mice induces the upregulation of heme-oxygenase-1 (HO-1), the rate-limiting enzyme in the catabolism of free heme that regulates the host inflammatory response...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28795594/the-battle-of-worldviews-a-case-study-of-liver-fluke-infection-in-khon-kaen-thailand
#20
Sara Samiphak, S Leonard Syme
Control efforts to reduce infection from the parasitic flatworm Opisthorchis viverrini have progressed through understanding the epidemiology of Opisthorchis viverrini, antiparasitic drug developments, technological innovations, health education promoting cooking of fish, and improved hygienic defecation. Yet the problem persists. The case study method was used to examine the fundamental cause of the liver fluke infection problem. Evidence shows that the liver fluke-infected population does not care about living a long life...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
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