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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/28917326/serum-levels-of-cytokines-in-water-buffaloes-experimentally-infected-with-fasciola-gigantica
#3
Fu-Kai Zhang, Ai-Jiang Guo, Jun-Ling Hou, Miao-Miao Sun, Zhao-An Sheng, Xiao-Xuan Zhang, Wei-Yi Huang, Hany M Elsheikha, Xing-Quan Zhu
Fasciola gigantica infection in water buffaloes causes significant economic losses especially in developing countries. Although modulation of the host immune response by cytokine neutralization or vaccination is a promising approach to control infection with this parasite, our understanding of cytokine's dynamic during F. gigantica infection is limited. To address this, we quantified the levels of serum cytokines produced in water buffaloes following experimental infection with F. gigantica. Five buffaloes were infected via oral gavage with 500 viable F...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28915255/scrambled-eggs-a-highly-sensitive-molecular-diagnostic-workflow-for-fasciola-species-specific-detection-from-faecal-samples
#4
Nichola Eliza Davies Calvani, Peter Andrew Windsor, Russell David Bush, Jan Šlapeta
BACKGROUND: Fasciolosis, due to Fasciola hepatica and Fasciola gigantica, is a re-emerging zoonotic parasitic disease of worldwide importance. Human and animal infections are commonly diagnosed by the traditional sedimentation and faecal egg-counting technique. However, this technique is time-consuming and prone to sensitivity errors when a large number of samples must be processed or if the operator lacks sufficient experience. Additionally, diagnosis can only be made once the 12-week pre-patent period has passed...
September 15, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28871261/the-chronic-stages-of-bovine-fasciola-hepatica-are-dominated-by-cd4-t-cell-exhaustion
#5
Divya Sachdev, Kevin C Gough, Robin J Flynn
Fasciola hepatica infection of ruminants leads to non-resolving chronic infection, as patency develops, there is switching to a TGF-β and IL-10 led response. Here, we explore the responses of CD4 T-cells within the major draining lymph nodes. We found minimal expression of Foxp3 within CD4 cells but elevated levels within the γδ (WC1(+)) population. There is a strong T-cell-intrinsic exhaustion phenotype within the hepatic lymph node (HLN) characterized by a lack of antigen-specific proliferation and cytokine secretion...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28870243/human-fascioliasis-by-fasciola-hepatica-the-first-case-report-in-nepal
#6
Ranjit Sah, Shusila Khadka, Mohan Khadka, Dipesh Gurubacharya, Jeevan Bahadur Sherchand, Keshab Parajuli, Niranjan Prasad Shah, Hari Prasad Kattel, Bharat Mani Pokharel, Basista Rijal
BACKGROUND: Fascioliasis is a zoonotic disease caused by Fasciola species. Patient may be asymptomatic or presents with jaundice and biliary colic or right hypochondriac pain due to bile duct obstruction with gastrointestinal symptoms. CASE PRESENTATION: We report a case of human fascioliasis in a 45 years old female presented to Tribhuvan University Teaching Hospital (TUTH), Kathmandu, Nepal on August, 2015 with fever, right hypochondriac pain, jaundice and occasional vomiting with anorexia for 4 months whose alkaline phosphatase was elevated and peripheral blood smear revealed eosinophilia...
September 5, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28843682/herd-level-prevalence-of-selected-endemic-infectious-diseases-of-dairy-cows-in-great-britain
#7
Martina Velasova, Angela Damaso, Bhagyalakshmi Chengat Prakashbabu, Jenny Gibbons, Nick Wheelhouse, David Longbottom, Steven Van Winden, Martin Green, Javier Guitian
To implement appropriate and effective disease control programs at the national level, up-to-date and unbiased information on disease frequency is needed. The aim of this study was to estimate the prevalence of selected endemic infectious diseases in the population of dairy herds in Great Britain. Bulk milk tank (BMT) samples from 225 randomly selected dairy farms, stratified by region and herd size, were tested for antibodies against bovine viral diarrhea virus (BVDV), bovine herpesvirus type 1, Mycobacterium avium ssp...
August 23, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28831216/noninvasive-assessment-of-gastrointestinal-parasites-infection-in-free-ranging-wild-herbivores-and-adjoining-livestock-of-panna-tiger-reserve-madhya-pradesh-india
#8
Abhay Sengar, A B Shrivastav, K P Singh, Amol Rokde
AIM: This study was conducted to know the epidemiology of gastrointestinal parasites of free-ranging wild herbivores and adjoining livestock of Panna Tiger Reserve, Madhya Pradesh, India. MATERIALS AND METHODS: A total of 374 fecal samples from wild herbivores (Chital Axis axis - 123, Sambar Rusa unicolor - 94, Nilgai Boselaphus tragocamelus - 86, and Chinkara Gazella bennettii - 71) and 284 fecal samples of domestic herbivores (cattle - 118, buffalo - 78, and goat - 88) were collected from common grazing land and adjoining area of tiger reserve...
July 2017: Veterinary World
https://www.readbyqxmd.com/read/28823007/excretory-secretory-products-from-two-fasciola-hepatica-isolates-induce-different-transcriptional-changes-and-il-10-release-in-lps-activated-bovine-boma-macrophages
#9
Piotr Bąska, Luke James Norbury, Anna Zawistowska-Deniziak, Marcin Wiśniewski, Kamil Januszkiewicz
Fasciola hepatica are trematodes that reside in the bile ducts of mammals. Infection causes US$3 billion in losses annually in animal production and is considered a zoonosis of growing importance. An under-represented area in F. hepatica research has been the examination of the different immunomodulatory abilities of various parasite isolates on the host immune system. In this paper, this issue was explored, with the bovine macrophage cell line "BOMA". The cells were matured by LPS treatment and stimulated with excretory/secretory antigens (ES) from two Fasciola hepatica isolates: a laboratory isolate "Weybridge" (Fh-WeyES) and a wild isolate (Fh-WildES)...
August 19, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28820707/prevalence-of-strongyloides-stercoralis-and-other-intestinal-parasite-infections-in-school-children-in-a-rural-area-of-angola-a-cross-sectional-study
#10
María Luisa Ruíz de Alegría Aznar, Karen Colmenares, Mateu Espasa, Arancha Amor, Isabel Lopez, Arlette Ninda, Joaquina Kanjala, Domingas Guilherme, Elena Sulleiro, Begoña Barriga, Eva Gil, Fernando Salvador, Cristina Bocanegra, Teresa López, Milagros Moreno, Israel Molina
Strongyloides stercoralis is widely distributed in the tropics and subtropics. The aim of this study was to determine the prevalence of S. stercoralis and other intestinal parasites and identify the risk factors for infection with S. stercoralis in a rural area of Angola. A cross-sectional study was conducted in school-age children (SAC) in Cubal, Angola. A questionnaire collecting clinical and epidemiological variables was used, and two stool samples were collected. A concentration technique (Ritchie) and a technique for detection of larvae migration (Baermann) were performed...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28815724/secreted-products-of-fasciola-hepatica-inhibit-the-induction-of-t-cell-responses-that-mediate-allergy
#11
Conor M Finlay, Anna M Stefanska, Michelle M Coleman, Hanne Jahns, Joseph P Cassidy, Rachel M McLoughlin, Kingston H G Mills
There is evidence from epidemiology studies of a negative association between infection with helminth parasites and the development of allergy and asthma. Here we demonstrate that the excretory/secretory products of the helminth Fasciola hepatica (FHES) protected mice against ovalbumin (OVA)-induced allergic asthma when administered at time of allergen sensitisation. FHES reduced the accumulation of mucus, eosinophils and lymphocytes into the airways of allergen-challenged mice. Furthermore, FHES treatment suppressed Th2 responses in the airways...
August 16, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28807278/helminth-infections-on-organic-dairy-farms-in-spain
#12
I Orjales, M Mezo, M Miranda, M González-Warleta, F Rey-Crespo, M Vaarst, S Thamsborg, F J Diéguez, J A Castro-Hermida, M López-Alonso
The aim of this study was to assess the prevalence of the major helminth infections affecting organic dairy cattle in northern Spain. Milk and faecal samples were obtained from 443 milking cows. Ostertagia ostertargi and Fasciola hepatica exposure was assessed by detection of specific antibodies in milk samples and F. hepatica infection was diagnosed by the detection of coproantigens in faecal samples. Dictyocaulus viviparus and Calicophoron daubneyi infections were diagnosed by conventional coprological techniques...
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
#13
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/28805164/modelling-the-spatial-distribution-of-fasciola-hepatica-in-bovines-using-decision-tree-logistic-regression-and-gis-query-approaches-for-brazil
#14
S C Bennema, M B Molento, R G Scholte, O S Carvalho, I Pritsch
Fascioliasis is a condition caused by the trematode Fasciola hepatica. In this paper, the spatial distribution of F. hepatica in bovines in Brazil was modelled using a decision tree approach and a logistic regression, combined with a geographic information system (GIS) query. In the decision tree and the logistic model, isothermality had the strongest influence on disease prevalence. Also, the 50-year average precipitation in the warmest quarter of the year was included as a risk factor, having a negative influence on the parasite prevalence...
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
#15
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/28764235/immunodiagnosis-of-human-fascioliasis-an-update-of-concepts-and-performances-of-the-serological-assays
#16
REVIEW
Bahador Sarkari, Samaneh Abdolahi Khabisi
Human Fascioliasis (HF) is a foodborne neglected parasitic disease caused by Fasciola hepatica and Fasciola gigantica. New epidemiological data suggest that the endemic areas of the disease are expanding and HF is being reported from areas where it was previously not observed. Diagnosis of HF is challenging. Performances of parasitological approaches, based on the detection of parasite's egg in the stool, are not satisfactory. Currently serological methods for the diagnosis of HF are mainly based on detection of anti-Fasciola antibodies in serum...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28761485/molecular-determination-of-fasciola-spp-isolates-from-domestic-ruminants-fecal-samples-in-the-northwest-of-iran
#17
Abbas Imani Baran, Habib Cheraghi Saray, Farzad Katiraee
BACKGROUND: Fasciola species are the main causes for fascioliasis with great financial losses and are among the most important food/water-borne parasites worldwide. The basic proceedings such as epidemiology and effective control of fascioliasis rely mainly on precise identification of Fasciola species. The present study was conducted to determine the Fasciola species in ruminant fecal samples from East Azerbaijan Province in Iran. METHODS: Overall, 2012 fecal samples were collected and processed initially for microscopic examination of Fasciola eggs in 2014-15...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28761475/the-helminths-causing-surgical-or-endoscopic-abdominal-intervention-a-review-article
#18
REVIEW
Erdal Uysal, Mehmet Dokur
BACKGROUND: Helminths sometimes require surgical or endoscopic intervention. Helminths may cause acute abdomen, mechanical intestinal obstruction, gastrointestinal hemorrhage, perforation, hepatitis, pancreatitis, and appendicitis. This study aimed to determine the surgical diseases that helminths cause and to gather, analyze the case reports, case series and original articles about this topic in literature. METHODS: This study was designed as a retrospective observational study...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28761457/in-vitro-assay-of-paecilomyces-lilacinus-biocontrol-effects-on-fasciola-hepatica-eggs-illustrated-in-scanning-electron-micrographs
#19
Faezeh Najafi, Sasan Rezaie, Eshrat Beigom Kia, Mahmoud Mahmoudi, Sadegh Khodavaisy, Mehdi Mohebali, Mohammad Javad Gharagozlou, Mohammad Bagher Rokni, Gholamreza Mowlavi
BACKGROUND: Fascioliasis is a zoonotic disease caused by the liver fluke Fasciola hepatica. Drug resistance, high costs of treatment and economic losses in meat production have emerged the need of alternative control measures into consideration. The aim of this study was to evaluate the in vitro ovicidal activity of Paecilomyces lilacinus fungus on F. hepatica eggs. METHODS: P. lilacinus isolated from the soil of natural environment was challenged on F. hepatica eggs to observe the bio control effect of nematophagous fungi on trematode helminth eggs...
January 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28747239/palaeoparasitology-and-palaeogenetics-review-and-perspectives-for-the-study-of-ancient-human-parasites
#20
Nathalie M-L Côté, Matthieu LE Bailly
While some species of parasites can be identified to species level from archaeological remains using microscopy (i.e. Enterobius vermicularis, Clonorchis sinensis), others can only be identified to family or genus level as different species produce eggs with similar morphology (i.e. Tænia sp. and Echinococcus sp.). Molecular and immunological approaches offer the possibility to provide more precise determination at the species level. They can also identify taxa when classic parasite markers such as eggs or cysts have been destroyed over time...
July 27, 2017: Parasitology
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