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M M O Abdelaal, G P Brennan, A Abdel-Aziz, I Fairweather
An in vivo study in the laboratory rat model has been carried out to monitor changes to the tegument and gut of adult Fasciola hepatica following treatment with myrrh ('Mirazid'). Rats infected with the triclabendazole-resistant Dutch isolate were dosed orally with Mirazid at a concentration of 250 mg/kg and flukes recovered 2, 3 and 7 days post-treatment (pt). The flukes were processed for examination by scanning and transmission electron microscopy. A variety of changes to the external surface were observed, culminating in the sloughing of the tegumental syncytium...
October 20, 2016: Journal of Helminthology
Marcos Vinícius Zanchet, Larissa Luvison Gomes da Silva, Jorge Eduardo Fouto Matias, Júlio Cezar Uili Coelho
Background: The outcome of the patients after liver transplant is complex and to characterize the risk for complications is not always easy. In this context, the hepatic post-reperfusion biopsy is capable of portraying alterations of prognostic importance. Aim: To compare the results of liver transplantation, correlating the different histologic features of the hepatic post-reperfusion biopsy with graft dysfunction, primary non-function and patient survival in the first year after transplantation...
July 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Enio Campos Amico, José Roberto Alves, Samir Assi João, Priscila Luana Franco Costa Guimarães, Joafran Alexandre Costa de Medeiros, Élio José Silveira da Silva Barreto
Background: Hepatectomies have been increasingly recommended and performed in Brazil; they present great differences related to immediate complications. Aim: Assessing the immediate postoperative complications in a series of 88 open liver resections. Method: Prospective database of patients subjected to consecutive hepatectomies over nine years. The post-hepatectomy complications were categorized according to the Clavien-Dindo classification; complications presenting grade equal to or greater than 3 were considered major complications...
July 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Orlando Jorge Martins Torres, Márcio Carmona Marques, Fabio Nasser Santos, Igor Correia de Farias, Anelisa Kruschewsky Coutinho, Cássio Virgílio Cavalcante de Oliveira, Antonio Nocchi Kalil, Celso Abdon Lopes de Mello, Jaime Arthur Pirola Kruger, Gustavo Dos Santos Fernandes, Claudemiro Quireze, André M Murad, Milton José de Barros E Silva, Charles Edouard Zurstrassen, Helano Carioca Freitas, Marcelo Rocha Cruz, Rui Weschenfelder, Marcelo Moura Linhares, Leonaldson Dos Santos Castro, Charles Vollmer, Elijah Dixon, Héber Salvador de Castro Ribeiro, Felipe José Fernandez Coimbra
In the last module of this consensus, controversial topics were discussed. Management of the disease after progression during first line chemotherapy was the first discussion. Next, the benefits of liver resection in the presence of extra-hepatic disease were debated, as soon as, the best sequence of treatment. Conversion chemotherapy in the presence of unresectable liver disease was also discussed in this module. Lastly, the approach to the unresectable disease was also discussed, focusing in the best chemotherapy regimens and hole of chemo-embolization...
July 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Erdem Sürücü, Yusuf Demir, Ahmet C Dülger, Abdüssamed Batur, Şehmus Ölmez, Mehmet T Kitapçı
A 48-year-old female with complaints of gastrointestinal symptoms such as abdominal pain, fatigue, vomiting, nausea, and weight loss was diagnosed with neuroendocrine tumor after removal of a 2 mm lesion from the stomach with endoscopic biopsy. Her magnetic resonance imaging that was performed due to on-going symptoms showed multiple linear hypointense lesions in the liver. Positron emission tomography/computed tomography (PET/CT) scan was performed for differential diagnosis, which showed high fluorodeoxyglucose (FDG) uptake in these lesions...
October 5, 2016: Molecular Imaging and Radionuclide Therapy
Sylva Skalova, Stepan Kutilek
Transient hyperphosphatasemia of infancy and early childhood (THI) is characterized by transiently increased activity of serum alkaline phosphatase (S-ALP), predominantly its bone or liver isoform, in children under five years of age. There are no signs of metabolic bone disease or hepatopathy corresponding with the increased S-ALP. THI is benign disorder, rather laboratory than clinical disorder, which is usually accidentally detected in both healthy and sick children. When encountered in a child with either chronic bone, liver or kidney disease, it might concern the physician...
July 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Saber Reaghi, Ali Haghighi, Majid Fasihi Harandi, Adel Spotin, Kourosh Arzamani, Soheila Rouhani
AIM: Fascioliasis is one of the most zoonotic diseases with global extension. As the epidemiological distribution of Fasciola may lead to various genetic patterns of the parasite, the aim of this study is to identify Fasciola hepatica based on spermatogenesis, and phylogenetic analysis using mitochondrial (nicotiamide adenine dinucleotide dehydrogenase subunit I [ND1] and cytochrome oxidase subunit I) gene marker. MATERIALS AND METHODS: In this study, 90 F. hepatica collected from 30 cattle at slaughterhouse located in three different geographical locations in the North-East of Iran were evaluated based on spermatogenetic ability and internal transcribed spacer 1 gene restriction fragment length polymorphism pattern...
September 2016: Veterinary World
Sarah Cheung, Charlotte M Thomas, David J Timson
FH22 has been previously identified as a calcium-binding protein from the common liver fluke, Fasciola hepatica. It is part of a family of at least four proteins in this organism which combine an EF-hand containing N-terminal domain with a C-terminal dynein light chain-like domain. Here we report further biochemical properties of FH22, which we propose should be renamed FhCaBP1 for consistency with other family members. Molecular modelling predicted that the two domains are linked by a flexible region and that the second EF-hand in the N-terminal domain is most likely the calcium ion binding site...
September 28, 2016: Experimental Parasitology
L A J Haydock, W E Pomroy, M A Stevenson, K E Lawrence
Infections of ruminants with Fasciola hepatica are considered to be of regional importance within New Zealand but there is very little recent information on its prevalence or severity other than anecdotal reports. Generally they are considered to be of secondary importance compared to gastrointestinal nematode infections. Utilizing data from Virtual Climate Stations (n=11491) distributed on a 5km grid around New Zealand a growing degree-day model was used to describe the risk of infection with liver fluke from 1972 to 2012 and then to apply the predictions to estimate the risk of fluke infections within New Zealand for the years 2040 and 2090...
September 15, 2016: Veterinary Parasitology
Cíntia A J Pereira, Laura L S Oliveira, Aytube L Coaglio, Fernanda S O Santos, Rodolfo S M Cezar, Tiago Mendes, Fernando L P Oliveira, Gustavo Conzensa, Walter S Lima
Fasciolosis, a parasitic disease caused by the trematode Fasciola hepatica underreported is expanding both in human and animal population, throughout the world. The constant use of synthetic drugs to treat this condition has led to the natural selection of resistant strains of the parasite. Hence, there is a growing focus on the potential anti-helminthic properties of medicinal plants and phytopharmaceuticals. The current study assessed the potential anti-fasciolicide action of Momordica charantia leaf extracts and fractions on the eggs of F...
September 15, 2016: Veterinary Parasitology
Divya Chaturvedi, Vinay Kumar Singh
Fasciolosis is a water and food-borne disease caused by the liver fluke Fasciola hepatica and Fasciola gigantica. This disease is widespread in different parts of the world. Lymnaeidae and Planorbidae snails are the intermediate hosts of these flukes. Snail population management is a good tool to control fasciolosis because gastropods represent the weakest link in the life-cycle of trematodes. Chlorophyll can be extracted from any green plant. Chlorophyllin was prepared from spinach in 100% ethanol by using different types of chemicals...
August 2016: Tropical Life Sciences Research
Raquel Alvarado, Joyce To, Maria E Lund, Anita Pinar, Ashley Mansell, Mark W Robinson, Bronwyn A O'Brien, John P Dalton, Sheila Donnelly
The NLRP3 inflammasome is a multimeric protein complex that controls the production of IL-1β, a cytokine that influences the development of both innate and adaptive immune responses. Helminth parasites secrete molecules that interact with innate immune cells, modulating their activity to ultimately determine the phenotype of differentiated T cells, thus creating an immune environment that is conducive to sustaining chronic infection. We show that one of these molecules, FhHDM-1, a cathelicidin-like peptide secreted by the helminth parasite, Fasciola hepatica, inhibits the activation of the NLRP3 inflammasome resulting in reduced secretion of IL-1β by macrophages...
September 28, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Claudia Machicado, Jorge D Machicado, Vicente Maco, Angelica Terashima, Luis A Marcos
BACKGROUND: Fascioliasis has been sporadically associated with chronic liver disease on previous studies. In order to describe the current evidence, we carried out a systematic review to assess the association between fascioliasis with liver fibrosis, cirrhosis and cancer. METHODOLOGY AND PRINCIPAL FINDINGS: A systematic search of electronic databases (PubMed, LILACS, Scopus, Embase, Cochrane, and Scielo) was conducted from June to July 2015 and yielded 1,557 published studies...
September 2016: PLoS Neglected Tropical Diseases
Flavia Regina Cocuzza das Eiras, Antonio Pires Barbosa, Eliseth Ribeiro Leão, César Augusto Biancolino
OBJECTIVE: To evaluate the use of a severity indicator for end-stage liver disease as a predictor of resource use in a teaching hospital in São Paulo. METHOD: Descriptive, retrospective study, classifying independent variables in seven key dimensions: identification/risk rating; length of stay/use of advanced life support; imaging; clinical analysis; special procedures; blood products in the intensive care unit; and in the operating room. The frequencies were analyzed by linear regression analysis of variance to detect relevance due to the dependent variable (severity indicator) in 76 cases seen in 2013...
July 2016: Revista da Escola de Enfermagem da U S P
Frederico Michelino DE Oliveira, Marcus Vinícius H DE Carvalho, Evaldo Marchi, Clóvis Antônio Lopes Pinto
OBJECTIVE: : to evaluate the effectiveness of a collagen-based adhesive associated with fibrinogen and thrombin in experimental liver injury in rats. METHODS: : the study included 30 Wistar rats randomly divided into three groups: A, B and C. All underwent standard liver traumatic injury. In group A the lesion was treated with the adhesive; in group B, with conventional absorbable suture; and in group C, there was no treatment. We analyzed the time of hemostasis, mortality, occurrence of adhesions and any histological changes...
July 2016: Revista do Colégio Brasileiro de Cirurgiões
Miguel M Cabada, Maria Luisa Morales, Martha Lopez, Spencer T Reynolds, Elizabeth C Vilchez, Andres G Lescano, Eduardo Gotuzzo, Hector Hugo Garcia, Clinton A White
Hymenolepis nana is the most common cestode infection in the world. However, limited information is available regarding its impact on affected populations. We studied the epidemiology and symptoms associated with hymenolepiasis among children 3-16 years old in 16 rural communities of the highlands of the Cusco region in Peru. Information on demographics, socioeconomic status, symptoms as reported by parents, and parasitological testing was obtained from the database of an ongoing Fasciola hepatica epidemiologic study...
September 26, 2016: American Journal of Tropical Medicine and Hygiene
Yan Fu, Andreas L Chryssafidis, John A Browne, Jack O'Sullivan, Paul A McGettigan, Grace Mulcahy
BACKGROUND: Fasciola hepatica is not only responsible for major economic losses in livestock farming, but is also a major food-borne zoonotic agent, with 180 million people being at risk of infection worldwide. This parasite is sophisticated in manipulating the hosts' immune system to benefit its own survival. A better understanding of the mechanisms underpinning this immunomodulation is crucial for the development of control strategies such as vaccines. METHODOLOGY/PRINCIPAL FINDINGS: This in vivo study investigated the global gene expression changes of ovine peripheral blood mononuclear cells (PBMC) response to both acute & chronic infection of F...
September 2016: PLoS Neglected Tropical Diseases
Kouroush Manouchehri Naeini, Farnaz Mohammad Nasiri, Mohammad Bagher Rokni, Soleiman Kheiri
BACKGROUND: Fascioliasis caused by Fasciola hepatica and F. gigantica is a foodborne and waterborne zoonotic disease with a worldwide distribution. The illness occurs in regions with intensive sheep or cattle production. In some parts of Iran the incidence of human infection has increased over the past decades. Since Chaharmahal and Bakhtiyari Province has been known as a main pole of traditional animal husbandry and there was no information about human fascioliasis in this region, the present study was carried out on human population to determine the seroprevalence of this infection...
June 2016: Iranian Journal of Public Health
Paul McCusker, Paul McVeigh, Vignesh Rathinasamy, Hayley Toet, Erin McCammick, Anna O'Connor, Nikki J Marks, Angela Mousley, Gerard P Brennan, David W Halton, Terry W Spithill, Aaron G Maule
Fascioliasis (or fasciolosis) is a socioeconomically important parasitic disease caused by liver flukes of the genus Fasciola. Flukicide resistance has exposed the need for new drugs and/or a vaccine for liver fluke control. A rapidly improving 'molecular toolbox' for liver fluke encompasses quality genomic/transcriptomic datasets and an RNA interference platform that facilitates functional genomics approaches to drug/vaccine target validation. The exploitation of these resources is undermined by the absence of effective culture/maintenance systems that would support in vitro studies on juvenile fluke development/biology...
September 2016: PLoS Neglected Tropical Diseases
Stefanya Correa, Yudy Liceth Martínez, Jessika Lissethe López, Luz Elena Velásquez
INTRODUCTION: Bovine fascioliasis causes important economic losses, estimated at COP$ 12,483 billion per year; its prevalence is 25% in dairy cattle. Parasitological techniques are required for it diagnosis. The Dennis technique, modified in 2002, is the one used in Colombia, but its sensitivity, specificity and validity are not known.  OBJECTIVE: To evaluate the validity and performance of the modified Dennis technique for diagnosis of bovine fascioliasis using as reference test the observation of parasites in the liver...
2016: Biomédica: Revista del Instituto Nacional de Salud
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