Journal articles: 'Fasciola hepatica'

1

Molano Cetina, Linda Grace. "Fasciola hepatica." Biomédica 31, sup3.1 (September 30, 2011): 172. http://dx.doi.org/10.7705/biomedica.v31i0.549.

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2

Wang, M., and D. Pleskow. "Fasciola hepatica." Endoscopy 45, S 02 (July 25, 2013): E207—E208. http://dx.doi.org/10.1055/s-0033-1344063.

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Recco, Paulette. "Fasciola hepatica." EMC - Biologie Médicale 1, no. 1 (January 2006): 1–4. http://dx.doi.org/10.1016/s2211-9698(06)76275-6.

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4

Simsek, S., A. Utuk, and I. Balkaya. "Molecular differentiation of Turkey cattle isolates of Fasciola hepatica and Fasciola gigantica." Helminthologia 48, no. 1 (March 1, 2011): 3–7. http://dx.doi.org/10.2478/s11687-011-0001-y.

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AbstractThe most common and widespread liver flukes of the genus Fasciola are Fasciola hepatica and F. gigantica. Adults of both species occur in many domestic ruminants and in humans and can cause serious disease. The differential diagnosis of these flukes infection is very important because of their different transmission and epidemiological characteristics. A simple and rapid PCR-restriction fragment length polymorphism (RFLP) assay, using the common restriction enzymes AluI and RsaI, is described to distinguish between both fasciolid species. After the digestion of the mitochondrial cytochrome c oxidase 1 (CO1) PCR product with the restriction enzyme AluI, the RFLP profile obtained from F. hepatica revealed two fragments, whereas F. gigantica was not cut. The RsaI digestion generated two fragments from F. gigantica, whereas it did not cut the PCR product from F. hepatica. Results were confirmed with CO1 sequence analysis of both F. hepatica and F. gigantica. The present study suggests that the PCRRFLP method described here can be used for the proper identification of Fasciola species.

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5

Zakharova, A. "Fasciola hepatica infestation." Veterinary Record 124, no. 1 (January 7, 1989): 23–24. http://dx.doi.org/10.1136/vr.124.1.23.

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Langridge, S. "Fasciola hepatica infestation." Veterinary Record 124, no. 17 (April 29, 1989): 471. http://dx.doi.org/10.1136/vr.124.17.471-c.

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Graham, E., and T. Harris. "Fasciola hepatica infestation." Veterinary Record 124, no. 4 (January 28, 1989): 103. http://dx.doi.org/10.1136/vr.124.4.103-c.

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8

Üsküdar, O., and E. Parlak. "Fasciola hepatica Infection." Video Journal and Encyclopedia of GI Endoscopy 1, no. 2 (October 2013): 482–83. http://dx.doi.org/10.1016/s2212-0971(13)70213-9.

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9

Bouix-Busson, D., D. Rondelaud, and C. Combes. "Fasciola hepatica L. :." Annales de Parasitologie Humaine et Comparée 60, no. 1 (1985): 5–10. http://dx.doi.org/10.1051/parasite/19856015.

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10

Afshan, K., M. A. Valero, M. Qayyum, R. V. Peixoto, A. Magraner, and S. Mas-Coma. "Phenotypes of intermediate forms of Fasciola hepatica and F. gigantica in buffaloes from Central Punjab, Pakistan." Journal of Helminthology 88, no. 4 (June 4, 2013): 417–26. http://dx.doi.org/10.1017/s0022149x13000369.

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AbstractFascioliasis is an important food-borne parasitic disease caused by the two trematode species, Fasciola hepatica and Fasciola gigantica. The phenotypic features of fasciolid adults and eggs infecting buffaloes inhabiting the Central Punjab area, Pakistan, have been studied to characterize fasciolid populations involved. Morphometric analyses were made with a computer image analysis system (CIAS) applied on the basis of standardized measurements. Since it is the first study of this kind undertaken in Pakistan, the results are compared to pure fasciolid populations: (a) F. hepatica from the European Mediterranean area; and (b) F. gigantica from Burkina Faso; i.e. geographical areas where both species do not co-exist. Only parasites obtained from bovines were used. The multivariate analysis showed that the characteristics, including egg morphometrics, of fasciolids from Central Punjab, Pakistan, are between F. hepatica and F. gigantica standard populations. Similarly, the morphometric measurements of fasciolid eggs from Central Punjab are also between F. hepatica and F. gigantica standard populations. These results demonstrate the existence of fasciolid intermediate forms in endemic areas in Pakistan.

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Ustinov, A. M., R. T. Safiullin, and R. R. Safiullin. "Methodical guidelines on the control of fasciolosis in cattle in the Kaluga region." Russian Journal of Parasitology 12, no. 2 (June 28, 2018): 108–16. http://dx.doi.org/10.31016/1998-8435-2018-12-2-108-116.

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Information is provided on the causative agents of fasciolosis and the developmental biology of Fasciola hepatica. Fasciolosis of cattle is widespread in the conditions of the Kaluga Region and the Central Federal District on farms of different forms of ownership. The greatest number of F. hepatica eggs in 1 g of feces in cattle is established in JSC "Iskra" - 175,4 specimens, the lowest - in the samples from cows from private farms - 87,6 sp. At the opening slaughter of cattle at meat processing plants region and slaughterhouses invasion of their fasciolae was 34.8%. The average number fascial one infected animal was 32.1 specimens, including adult - and larval specimens of 25.2 and 6.9 copies At veterinary-sanitary expertise and helminthological autopsy of the liver, gallbladder and bile ducts installed year-round invasion fasciolae mainly in the adult stage. Young animals of the current year are infected with fasciola in the pasture massly in August-September, and the extent of invasion in November was 4.3%, for winter-stabling months an average of 12.6%, in March - 17.9% and in April after de-worming - 5.9%.The data obtained in the study of the distribution of the small pond has shown that in the Kaluga region these mollusks are widespread. In this case, the invasion of the small pond snail by larval forms of fasciolae in different years has its own peculiarities, which are influenced by climatic factors.The different dosage forms of clozantel - Rolenol and Santel and Genamectin with mixed fascioliasis and hypodermatosis of bovine in the recommended dose against subcutaneous gadfly larvae - provided 100% efficacy. The tested dosage forms of clozantel are similar in effectiveness against subcutaneous gadfly larvae (EE-100%) and fasciol (EE-95 and 90%, IE-97.4 and 96.3%).The therapeutic and economic effectiveness of complex domestic preparations of Helmicide and Fascocida in spontaneous fascioliasis of cattle is studied.

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12

ITAGAKI, T., M. ICHINOMIYA, K. FUKUDA, S. FUSYUKU, and C. CARMONA. "Hybridization experiments indicate incomplete reproductive isolating mechanism between Fasciola hepatica and Fasciola gigantica." Parasitology 138, no. 10 (July 18, 2011): 1278–84. http://dx.doi.org/10.1017/s0031182011000965.

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SUMMARYExperiments on hybridization between Fasciola hepatica and Fasciola gigantica were carried out to clarify whether a reproductive isolating mechanism appears between the two Fasciola species. Molecular evidence for hybridization was based on the DNA sequence of the internal transcribed spacer 1 (ITS1) region in nuclear ribosomal DNA, which differs between the species. The results suggested that there were not pre-mating but post-mating isolating mechanisms between the two species. However, viable adults of the hybrids F1 and F2 were produced from both parental F. hepatica and F. gigantica. The hybrids inherited phenotypic characteristics such as ratio of body length and width and infectivity to rats from parental Fasciola hepatica and F. gigantica. These findings suggest that reproductive isolation is incomplete between Fasciola hepatica and F. gigantica. Adults of the hybrids F1 and F2 were completely different in mode of reproduction from aspermic Fasciola forms that occur in Asia and seem to be offspring originated from hybridization between F. hepatica and F. gigantica and to reproduce parthenogenetically.

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13

Bourée, P. "Diffusion de Fasciola hepatica." Médecine et Santé Tropicales 27, no. 2 (May 2017): 145. http://dx.doi.org/10.1684/mst.2017.0670.

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14

Aksoy, D. Y., U. Kerimoglu, A. Oto, S. Erguven, S. Arslan, S. Unal, F. Batman, and Y. Bayraktar. "Infection with Fasciola hepatica." Clinical Microbiology and Infection 11, no. 11 (November 2005): 859–61. http://dx.doi.org/10.1111/j.1469-0691.2005.01254.x.

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15

Santarém, Vamilton Alvares, Raimundo Alberto Tostes, Haroldo Alberti, and Osimar de Carvalho Sanches. "Fasciola hepatica in capybara." Acta Tropica 98, no. 3 (July 2006): 311–13. http://dx.doi.org/10.1016/j.actatropica.2006.05.004.

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16

Oktaviana, Putu Anna, Nyoman Adi Suratma, and I. Nengah Wandia. "Morphometry of Liver Fluke (Fasciola Gigantica) Infecting Balinese Cattle." Journal of Veterinary and Animal Sciences 2, no. 1 (January 31, 2019): 10. http://dx.doi.org/10.24843/jvas.2019.v02.i01.p02.

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Fasciola hepatica and Fasciola gigantica belong to Trematoda family which can cause fasciolosis. Fasciola hepatica is commonly found in temperate climates, while Fasciola gigantica is found in areas with wet tropical climates. Research on Fasciola gigantica especially in Bali is still very little, was just limited to the prevalence, epidemiology and histopathology of liver. This study aims to determine the morphometry of Fasciola gigantica infecting Bali cattle in Bali. This descriptive study used 43 samples of worms. Measurement of morphometry is done by microscope equipped with camera Axio Cam ERc 5S and software used is IMAGEJ and ZEN LITE. The morphometric analysis showed that there were two differentiating factors that is PB (Body Length) and LB (Body Width). The morphometric of Fasciola gigantica in Bali is smaller compared to Fasciola gigantica in general but larger than Fasciola hepatica.

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BEESLEY, N. J., K. CWIKLINSKI, D. J. L. WILLIAMS, and J. HODGKINSON. "Fasciola hepatica from naturally infected sheep and cattle in Great Britain are diploid." Parasitology 142, no. 9 (May 20, 2015): 1196–201. http://dx.doi.org/10.1017/s0031182015000499.

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SUMMARYDiploid (2n = 2x = 20) and triploid (2n = 3x = 30) Fasciola hepatica have been reported in the UK, and in Asia diploid, triploid and mixoploid (2x/3x) Fasciola spp. exist but there is little information to indicate how common triploidy is, particularly in UK fluke. Here the ploidy of 565 adult F. hepatica from 66 naturally infected British sheep and 150 adult F. hepatica from 35 naturally infected British cattle was determined. All 715 of these parasites were diploid, based on observation of 10 bivalent chromosomes and sperm (n = 335) or, since triploids are aspermic, sperm alone (n = 380). This constitutes the first extensive analysis of the ploidy of F. hepatica field isolates from Great Britain and shows that most F. hepatica isolated from cattle and sheep are diploid and have the capacity to sexually reproduce. These data suggest that triploidy, and by extension parthenogenesis, is rare or non-existent in wild British F. hepatica populations. Given that F. hepatica is the only species of Fasciola present in Britain our results indicate that the parasite is predominantly diploid in areas where F. hepatica exists in isolation and suggests that triploidy may only originate in natural populations where co-infection of F. hepatica and its sister species Fasciola gigantica commonly occurs.

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18

Park, Hyun Joon, Gil-Soon Choi, Minjung Jung, and Sang Uk Lee. "Fasciola Hepatica Induced Hepatic Abscess Treated with Triclabendazole." Korean Journal of Gastroenterology 77, no. 1 (January 25, 2021): 39–44. http://dx.doi.org/10.4166/kjg.2020.152.

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19

A. Marcos, Luis, Pedro Yi, Alfredo Machicado, Roy Andrade, Frine Samalvides, Juvenal Sánchez, and Angélica Terashima. "Hepatic fibrosis and Fasciola hepatica infection in cattle." Journal of Helminthology 81, no. 4 (December 2007): 381–86. http://dx.doi.org/10.1017/s0022149x07850231.

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AbstractThis study focuses on the development of fibrosis of the liver of cattle with Fasciola hepatica infection, correlating with the intensity of infection. Animals with an established diagnosis of chronic F. hepatica infection were identified in a slaughterhouse in Lima, Perú. The study included 24 fresh cattle livers from infected animals and two uninfected controls. Tissues were stored at 4°C for approximately 8 h after which they were brought to a necropsy room and examined. Between 9 and 12 biopsies were randomly obtained from each liver. Histological staining of formalin-fixed liver sections with haematoxylin and eosin (H & E) and Masson's trichrome were performed. Liver samples were examined using a pathology protocol that included 30 items. Histopathologically, 16 out of 30 liver specimens (67.6%) showed diffuse fibrotic lesions (cirrhosis) with a mean number of Fasciola of 116 ± 30 (range 4–435). Pathological data were matched to number of adult parasites and presence of cirrhosis after being reviewed by two independent pathologists. There was concordance between the two pathologists (K = 0.72). The group with cirrhosis showed an average of 116 ± 30 adult parasites whereas the group not showing cirrhosis contained 56 ± 28 flukes (P = 0.2). To measure how number of flukes and diagnosis of cirrhosis are related we used Kendall's tau-b coefficient; the correlation was +0.296 (P = 0.04). Receiver Operating Characteristic (ROC) curve results showed that the best point was 38 parasite adults, which had 93.8% sensitivity and 75% specificity. We conclude that as the number of F. hepatica adult forms increases, the likelihood of developing liver fibrosis will also increase in cattle.

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20

Uzun, Veysel, Figen Celik, Sami Simsek, Harun Kaya Kesik, Seyma Gunyakti Kilinc, Xiaocheng Zhang, Haroon Ahmed, and Jianping Cao. "Multiplex PCR and Sequence Analysis to Investigate Genetic Diversity of Fasciola Isolates from Cattle and Sheep in Turkey." Pathogens 11, no. 11 (October 26, 2022): 1235. http://dx.doi.org/10.3390/pathogens11111235.

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Fasciolosis is a highly prevalent helminthic infection caused by Fasciola hepatica and F. gigantica. With the aim of identifying hybrid Fasciola flukes, multiplex PCR was performed to amplify the pepck gene. Furthermore, to determine Fasciola haplotypes, mitochondrial nad1 gene was amplified and sequenced, and phylogenetic analyses were performed. Adult Fasciola isolates were collected from 51 cattle and 51 sheep, genomic DNA was isolated, and one-step multiplex PCR was subsequently performed to amplify pepck. Isolates that generated a 510 bp band were identified as F. gigantica, those that generated a 241 bp band were identified as F. hepatica, and those that generated both bands were identified as hybrid (aspermic) flukes. Multiplex PCR data identified four isolates as F. gigantica and 84 as F. hepatica. Fourteen hybrid isolates (five cattle and nine sheep) were identified. On unidirectional DNA sequence analysis of nad1 PCR products, three sequences were identified as F. gigantica and 99 as F. hepatica. In addition, only 4 of 87 haplotypes detected for F. hepatica nad1 sequences were found to be previously reported, while the remaining 83 are unique to this study. To summarize, this study is the first to report the existence of hybrid Fasciola flukes and 83 unique haplotypes of F. hepatica in Turkey.

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Cabrera-González, Marco, Diana Marlo-Javier, Carlos Quilcate-Pairazamán, Héctor V. Vásquez, and Medali Cueva-Rodríguez. "Perfil electroforético 2D de las proteínas del intestino de Fasciola hepatica." Revista Científica de la Facultad de Ciencias Veterinarias XXXII, single (May 26, 2022): 1–8. http://dx.doi.org/10.52973/rcfcv-e32103.

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Siendo la fasciolosis una infección parasitaria importante en rumiantes de muchos países y dada la alta prevalencia en humanos y animales en Cajamarca, Perú, se planteó realizar el estudio sobre el perfil de las proteínas de intestino de Fasciola hepatica con el objetivo de conocer el número de proteínas y el rango de pH de secreción/excreción de intestino del parásito que expresa mediante el método de electroforesis 2D-bidimensional. Las muestras adultas de F. hepatica se recolectaron de hígados de bovinos en el Camal Municipal de Cajamarca. Fueron trasladadas al laboratorio de Biotecnología en Sanidad Animal de la Estación Experimental Agraria Baños del Inca, INIA – Cajamarca, para su procesamiento. La corrida electroforética permitió separar 82 proteínas con diferentes pesos moleculares, enfocadas en distintos puntos isoeléctricos en un rango de pH de 6,0 a 9,4. Se concluye que mediante el análisis del gel 2D de proteínas de intestino de F. hepatica, se conocieron 84 spots de proteínas con distintos pesos moleculares, enfocadas en distintos puntos isoeléctricos en un rango de 6,0 a 9,4.

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McGonigle, S., and J. P. Dalton. "Isolation of Fasciola hepatica haemoglobin." Parasitology 111, no. 2 (August 1995): 209–15. http://dx.doi.org/10.1017/s0031182000064969.

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SUMMARYA haemoprotein released in vitro by adult Fasciola hepatica was purified by gel filtration chromatography on Sephacryl S-200 and ion-exchange chromatography on DEAE-Sepharose. The molecule, with an apparent molecular weight of > 200 kDa, contains a haem group and has absorption spectra characteristics similar to haemoglobins. N-terminal amino acid sequence analysis revealed no similarity between the F. hepatica haemoglobin and other vertebrate or invertebrate haemoglobins. Antibodies to the haemoglobin molecule can be detected in the sera of F. hepatica-infected bovines as early as 1 week after infection.

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ICHIKAWA-SEKI, MADOKA, MAO PENG, KEI HAYASHI, TAKUYA SHORIKI, UDAY KUMAR MOHANTA, TOSHIYUKI SHIBAHARA, and TADASHI ITAGAKI. "Nuclear and mitochondrial DNA analysis reveals that hybridization between Fasciola hepatica and Fasciola gigantica occurred in China." Parasitology 144, no. 2 (November 2, 2016): 206–13. http://dx.doi.org/10.1017/s003118201600161x.

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SUMMARYThe well-known pathogens of fasciolosis, Fasciola hepatica (Fh) and Fasciola Gigantica (Fg), possess abundant mature sperms in their seminal vesicles, and thus, they reproduce bisexually. On the other hand, aspermic Fasciola flukes reported from Asian countries, which have no sperm in their seminal vesicles, probably reproduce parthenogenetically. The aim of this study was to reveal the origin of aspermic Fasciola flukes. The nuclear single copy markers, phosphoenolpyruvate carboxykinase and DNA polymerase delta, were employed for analysis of Fasciola species from China. The hybrid origin of aspermic Fasciola flukes was strongly suggested by the presence of the Fh/Fg type, which includes DNA fragments of both F. hepatica and F. gigantica. China can be regarded as the cradle of the interspecific hybridization because F. hepatica and F. gigantica were detected in the northern and southern parts of China, respectively, and hybrids flukes were distributed between the habitats of the two species. The Chinese origin was supported by the fact that a larger number of mitochondrial NADH dehydrogenase subunit 1 (nad1) haplotypes was detected in Chinese aspermic Fasciola populations than in aspermic populations from the neighbouring countries. Hereafter, ‘aspermic’ Fasciola flukes should be termed as ‘hybrid’ Fasciola flukes.

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Omran, EmanK, and NohaS Ahmad. "Effect of nitroxynil (fasciolid) on adult Fasciola gigantica and Fasciola hepatica in infected cows." Parasitologists United Journal 8, no. 2 (2015): 107. http://dx.doi.org/10.4103/1687-7942.175008.

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25

Hourdin, P., D. Rondelaud, and J. Cabaret. "Effect of concurrent infection with Muellerius capillaris on the development of redial generations of Fasciola hepatica in Lymnaea truncatula." Journal of Helminthology 66, no. 2 (June 1992): 108–17. http://dx.doi.org/10.1017/s0022149x00012670.

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ABSTRACTThe rediae of Fasciola hepatica were counted according to generation in adult and juvenile Lymnaea truncatula following single infection with Fasciola hepatica, double infection with F. hepatica and then Muellerius capillaris, or double infection with M. capillaris and F. hepatica. The rediae found in double infections were essentially first generation and an early cohort from the second generation. The following differences were observed in adult snails which underwent double infection when compared to corresponding single infections: i) dependent rediae were almost completely absent; ii) degenerating independent rediae were found in identical or decreased numbers; iii) living independent rediae of the first generation were decreased in number, while those of the second generation had variable decreased numbers. The results were similar in juvenile snails with double infections, except that the numbers of degenerating independent rediae were higher than those found in corresponding single infections and the numbers of rediae of the second generation were increased. The order of exposure in double infections had no influence on the number and maturation of fasciolid rediae.

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26

ODABAŞI, Hacı Mehmet, Mehmet Kamil YILDIZ, Cengiz ERİŞ, Hacı Hasan ABUOĞLU, Emre GÜNAY, Erkan ÖZKAN, and Tolga MÜFTÜOĞLU. "Fasciola hepatica tanısında endosonografinin rolü." Endoskopi Gastrointestinal 22, no. 1 (April 3, 2015): 21. http://dx.doi.org/10.17940/endoskopi.74790.

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El-Newihi, Hussein M., Imam A. Waked, and Anastasios A. Mihas. "Biliary Complications of Fasciola Hepatica." Journal of Clinical Gastroenterology 21, no. 4 (December 1995): 309–11. http://dx.doi.org/10.1097/00004836-199512000-00013.

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Bahçecıoğlu, Ibrahim Halil, Hüseyin Ataseven, Erhan Aygen, Serdar Coskun, Nalan Kuzu, and Fulya Ilhan. "Fasciola Hepatica Case with Hemobilia." Acta Medica (Hradec Kralove, Czech Republic) 50, no. 2 (2007): 155–56. http://dx.doi.org/10.14712/18059694.2017.74.

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Fasciola hepatica (FH) can lead to important hepatobiliary diseases. Here we present a case of hemobilia associated with biliary FH, which is quite a rare case. The 41–year-old patient, who underwent common bile duct exploration due to hemobilia, was found to have arterial bleeding associated with ulcer caused by a dead parasite in the common bile duct. Hemobilia is a very rare complication associated with FH. When searching for the cause of hemobilia, FH should be considered.

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Howell, A. K., F. Malalana, N. J. Beesley, J. E. Hodgkinson, H. Rhodes, M. Sekiya, D. Archer, H. E. Clough, P. Gilmore, and D. J. L. Williams. "Fasciola hepatica in UK horses." Equine Veterinary Journal 52, no. 2 (July 21, 2019): 194–99. http://dx.doi.org/10.1111/evj.13149.

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Lämmler, G., and J. Schuster. "Fasciola Hepatica-Infektion der Albinoratte." Zentralblatt für Veterinärmedizin Reihe B 20, no. 9 (May 13, 2010): 715–28. http://dx.doi.org/10.1111/j.1439-0450.1973.tb01169.x.

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Bankov, I., and J. Barrett. "Sphingomyelin synthesis in Fasciola hepatica." International Journal for Parasitology 20, no. 5 (August 1990): 581–85. http://dx.doi.org/10.1016/0020-7519(90)90114-3.

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Krustev, L., O. Poliakova-Krusteva, and M. Krusteva-Chichova. "Liver cancerogenesis and fasciola hepatica." Journal of Hepatology 11 (January 1990): S96. http://dx.doi.org/10.1016/0168-8278(90)91716-a.

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Ripert, Christian L. "Praziquantel and Fasciola hepatica infection." Transactions of the Royal Society of Tropical Medicine and Hygiene 84, no. 4 (July 1990): 610. http://dx.doi.org/10.1016/0035-9203(90)90060-r.

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34

Farid, Z., M. Kamal, and N. Mansour. "Praziquantel and Fasciola hepatica infection." Transactions of the Royal Society of Tropical Medicine and Hygiene 83, no. 6 (November 1989): 813. http://dx.doi.org/10.1016/0035-9203(89)90339-8.

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35

Piedrafita, D., H. W. Raadsma, R. Prowse, and T. W. Spithill. "Immunology of the host–parasite relationship in fasciolosis (Fasciola hepaticaandFasciola gigantica)." Canadian Journal of Zoology 82, no. 2 (February 1, 2004): 233–50. http://dx.doi.org/10.1139/z03-216.

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The protective resolution of liver fluke (Fasciola hepatica and Fasciola gigantica) infection is a dynamic interplay between the host's effector responses and the parasite's defence and immunomodulatory systems. The evidence suggests that the juvenile or immature parasite is the target of protective host immune responses but the effector mechanisms employed vary between hosts. Moreover, F. hepatica and F. gigantica differ in their susceptibility to these killing mechanisms. In the rat, in vitro killing of juvenile F. hepatica involves an antibody-dependent cell cytotoxicity mediated by nitric oxide produced by activated monocytes and (or) macrophages. However, monocytes and (or) macrophages from Indonesian sheep do not produce nitric oxide yet can effectively kill juvenile F. gigantica in vitro and in vivo by a mechanism that is ineffective against F. hepatica. These data show that disease progression or resolution in fasciolosis is determined both by biochemical differences between Fasciola species and by host-dependent factors. Understanding the genetic basis for these differences is a key question for the future. Fasciola hepatica and F. gigantica actively modulate the host immune response, downregulating type 1 responses during infection. It is important to determine whether such modulation of the immune response by Fasciola spp. directly leads to enhanced parasite survival in the various hosts.

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BIBIK, OKSANA I., TATIANA A. SHTERNIS, and LYUBOV V. NACHEVA. "FASCIOLA HEPATICA: MORPHOMETRIC ANALYSIS OF EGGS AFTER TRICLABENDAZOLE TREATMENT." Fundamental and Clinical Medicine 3, no. 2 (2018): 28–33. http://dx.doi.org/10.23946/2500-0764-2018-3-2-28-33.

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37

Poovorawan, Kittiyod. "Fascioliasis." Thai Journal of Hepatology 2, no. 1 (January 4, 2019): 1–5. http://dx.doi.org/10.30856/th.jhep2019vol2iss1_01.

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Fascioliasis is infection by liver flukes, Fasciola spp. The two species that infect humans are Fasciola hepatica and Fasciola gigantica. Other herbivorous animals such as cattle, goats, water buffalo, horses, camels, hogs, rabbits, and deer can be infected with Fasciola spp. Humans acquire Fasciola after ingestion of food and water that are contaminated with Fasciola metacercaria, especially aquatic plants. Fascioliasis is usually mild disease in human. Clinical manifestrations are related with the the phases of infection. In migratory phase, symptoms may occur when metacercariae excyst in the duodenum and young liver flukes migrate through the intestinal wall to the liver capsule and hepatic parenchyma before reaching the bile ducts. Clinical symptoms include abdominal pain in the right hypochondrium, dyspepsia and anorexia, nausea, vomiting, and hepatomegaly. Systemic manifestration such as urticaria and eosinophilia are also common presentation. After Fasciola reside in the biliary tract, most of cases are asymptomatic. Biliary track obstruction can accidentally occur and might lead to cholangitis. Triclabendazole 10 mg/kg as a single dose is the current drug of choice for fascioliasis treatment and triclabendazole two doses of 10 mg/kg for 1 day is effective in severe or persistent infections, with cure rates of 79% and 92%, respectively. Currently, there is no vaccine for prevent Fasciola infection. Proper cooking or cleaning food especially aquatic plants before consumption will prevent accidental Fasciola infection. Adequate mass treatment among infected animals in endemic areas and proper sanitary in the livestock farm are important for disease control. Figure 1 ภาพถ่ายตัวเต็มวัยพยาธิ Fasciola hepatica (Linnaeus, 1758) (A) และ Fasciola gigantica (Cobbold, 1855) (B)(ได้รับการอนุเคราะห์ภาพจาก รศ.ดร.อุรุษา แทนขำ ภาควิชาปรสิตหนอนพยาธิ คณะเวชศาสตร์เขตร้อน มหาวิทยาลัยมหิดล)

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Saadatnia, Aminallah, Kavous Solhjoo, Mohamad Hasan Davami, Saber Raeghi, and Ahmad Abolghazi. "Molecular Identification of Fasciola Isolated from the Liver of Meat Animals in Fars Province, Iran." Journal of Parasitology Research 2022 (March 26, 2022): 1–5. http://dx.doi.org/10.1155/2022/4291230.

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Background. Fasciola hepatica and Fasciola gigantica are flatworms that infect animals and humans. Fasciola is the parasite of the liver or bile ducts and intestines of mammals, where such animals are known as their “definite hosts.” The study aims to detect the genotype of Fasciola spp. from the livers of meat animals by using RFLP-PCR in samples collected from Fars province. Methods. Sixty Fasciola spp. samples were collected from infected slaughtered animals in three counties of Fars province, Iran (Jahrom, Nourabad Mamasani, and Kazeroun).Genomic DNA was extracted by the conventional phenol-chloroform method. For the study, PCR-RFLP and sequence analysis of the first nuclear ribosomal internal transcribed spacer (ITS1) region from Fasciola species were used to conduct the study. Results. The fragment of about 700 bp in all the Fasciola samples was amplified. In total, 43 samples of Fasciola gigantica and 17 samples of Fasciola hepatica were identified. Conclusion. The dominant Fasciola species in this region is Fasciola gigantica. Hence, it seems that hygienic policies should be developed to prevent and control fascioliasis because of the dominant species, Fasciola gigantica.

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Torrel Pajares, Teófilo Severino, Katia Díaz Vásquez, Juan Rojas Moncada, José Fernando Coronado León, Ceesar Nilthom Aguilar Guevara, Cristina Tatiana García Barjoveanu, and Alfredo Delgado Castro. "Fasciola hepatica ectópica en pulmón de bovinos sacrificados en el Centro de Beneficio Municipal de Cajamarca, Perú." Revista de Investigaciones Veterinarias del Perú 31, no. 3 (September 29, 2020): e18721. http://dx.doi.org/10.15381/rivep.v31i3.18721.

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Con el objetivo de evaluar la frecuencia y caracterización morfométrica de Fasciola hepatica ectópica en pulmón, se evaluaron 2066 bovinos en el centro de beneficio municipal de Cajamarca, Perú, entre julio y agosto de 2018. Los pulmones que presentaron lesiones macroscópicas fueron revisados para determinar la presencia o ausencia de Fasciola hepatica ectópica. Se determinó una frecuencia de la fasciolosis errática pulmonar de 3.68 ± 0.8%. Morfométricamente, se observó que la Fasciola hepatica ectópica mantiene una forma foliácea, con coloraciones de rosado-pálido a marrón-grisáceo y con dimensiones de 10.36 ± 3.44 mm de largo y 4.31 ± 0.97 mm de ancho, y sin evidencia de ovoposición.

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Postevoy. "STUDY OF MOLLUSCS IN BIOTOPES ON PASTURES CONTAMINATED BY FASCIOLA HEPATICA." THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL, no. 23 (April 18, 2022): 371–76. http://dx.doi.org/10.31016/978-5-6046256-9-9.2022.23.371-376.

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The mollusk Lymnaea truncatula is an intermediate host of Fasciola hepatica. However, the involvement of other mollusk species (L. stagnalis, Galba palustris, etc.) in the F. hepatica development cycle might take place. In this connection, we have studied the spread of molluscs of these species in areas contaminated by Fasciola hepatica. The research purpose was to study the infection of molluscs by Fasciola larvae in the habitats (biotopes) on pastures contaminated by trematodiasis in the Bryansk Region. We determined the population density of molluscs and their species on the pastures, and the infection dynamics of parthenita stages of F. hepatica in molluscs. The study was performed on 3 pastures of 12 to 27 hectares from April to October 2021. The following molluscs were examined: 10 to 93 specimens of the snail L. truncatula, 11 to 24 specimens of the great pond snail L. stagnalis, and 12 to 42 specimens of the aquatic snail L. palustris. Molluscs were examined for infection with Fasciola larvae by the compression method every month during the grazing period (April-October). As a result of the study, the snail L. truncatula was only found to be infected by larval stages of Fasciola. The remaining lymnaeids were free from this trematode invasion. The snail L. truncatula was more infected with Fasciola in September. The Fasciola larvae in the snail were observed in May, August and September with the infection rate of 2.3%, 3.5% and 4.3%, respectively.

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Munawaroh, Alisa Qudrotun, Endry Nugroho Prasetyo, and Maharani Pertiwi Koentjoro. "A literature review: The comparison of the sedimentation and flotation technique for Fasciola hepatica detection in livestok." Jurnal Litbang Edusaintech 2, no. 2 (December 31, 2021): 79–85. http://dx.doi.org/10.51402/jle.v2i2.21.

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Fascioliasis is an infection of the trematodes of Fasciola hepatica and Fasciola gigantica which causes disease worldwide. This trematode infection commonly attacks ruminants, especially in cattle, buffalo, sheep, goats, pigs and humans, as well. This disease can cause significant economic losses in the livestock industry, mainly through death, liver damage, reduced production of meat, milk and wool, and expenses for deworming. Parasitological examination for identification of fasciola infection was carried out by visually observing fecal samples for adult worms and then examined by simple flotation (using saturated NaCl solution) and formalin-ethyl acetate sedimentation techniques. Here, we were systematically reviewed existing knowledge about sensitive and efficient fasciola observation methods for the identification of fasciola species. Four databases of articles that met the inclusion requirements were compiled for the literature review. This article was published between 2015-2020 and reports on the identification of fasciola species using one or a combination of sedimentation and flotation methods. As a result, the combined method of sedimentation and flotation has the best sensitivity and egg recovery rate (Ef) values for fasciola identification. Abstrak Fascioliasis merupakan infeksi trematoda spesies Fasciola hepatica dan Fasciola gigantica yang menimbulkan penyakit di seluruh dunia. Infeksi trematoda ini umum menyerang ruminansia, terutama pada sapi, kerbau, domba, kambing, babi dan bisa terjadi pada manusia. Penyakit ini dapat menimbulkan kerugian ekonomi yang cukup besar dalam industri ternak, terutama melalui kematian, kerusakan hati, berkurangnya produksi daging, susu, dan wol, dan pengeluaran biaya untuk obat cacing. Pemeriksaan parasitologi untuk identifikasi infeksi fasciola dilakukan dengan mengamati sampel feses secara visual untuk cacing dewasa dan kemudian diperiksa dengan cara flotasi sederhana (menggunakan larutan NaCl jenuh) dan teknik sedimentasi formalin-etil asetat. Disini, kami meninjau secara sistematis pengetahuan yang ada tentang metode pengamatan fasciola yang sensitif dan efisien dalam identifikasi spesies fascioal. Empat data base artikel yang telah memenuhi syarat inklusi disusun untuk tinjauan literature review. Artikel ini terbit antara tahun 2015-2020 dan melaporkan identifikasi spesies fasciola menggunakan salah satu atau gabungan metode sedimentasi dan flotasi. Hasilnya, metode gabungan antara sedimentasi dan flotasi memiliki nilai sensitivitas dan nilai tingkat pemulihan telur (egg recovery rate, Ef) paling baik untuk identifikasi fasciola.

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Choi, Young-Jun, Santiago Fontenla, Peter U. Fischer, Thanh Hoa Le, Alicia Costábile, David Blair, Paul J. Brindley, Jose F. Tort, Miguel M. Cabada, and Makedonka Mitreva. "Adaptive Radiation of the Flukes of the Family Fasciolidae Inferred from Genome-Wide Comparisons of Key Species." Molecular Biology and Evolution 37, no. 1 (September 10, 2019): 84–99. http://dx.doi.org/10.1093/molbev/msz204.

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Abstract Liver and intestinal flukes of the family Fasciolidae cause zoonotic food–borne infections that impact both agriculture and human health throughout the world. Their evolutionary history and the genetic basis underlying their phenotypic and ecological diversity are not well understood. To close that knowledge gap, we compared the whole genomes of Fasciola hepatica, Fasciola gigantica, and Fasciolopsis buski and determined that the split between Fasciolopsis and Fasciola took place ∼90 Ma in the late Cretaceous period, and that between 65 and 50 Ma an intermediate host switch and a shift from intestinal to hepatic habitats occurred in the Fasciola lineage. The rapid climatic and ecological changes occurring during this period may have contributed to the adaptive radiation of these flukes. Expansion of cathepsins, fatty-acid-binding proteins, protein disulfide-isomerases, and molecular chaperones in the genus Fasciola highlights the significance of excretory–secretory proteins in these liver-dwelling flukes. Fasciola hepatica and Fasciola gigantica diverged ∼5 Ma near the Miocene–Pliocene boundary that coincides with reduced faunal exchange between Africa and Eurasia. Severe decrease in the effective population size ∼10 ka in Fasciola is consistent with a founder effect associated with its recent global spread through ruminant domestication. G-protein-coupled receptors may have key roles in adaptation of physiology and behavior to new ecological niches. This study has provided novel insights about the genome evolution of these important pathogens, has generated genomic resources to enable development of improved interventions and diagnosis, and has laid a solid foundation for genomic epidemiology to trace drug resistance and to aid surveillance.

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Bronshteyn, Alexander M., N. A. Malyshev, L. V. Fedianina, and I. V. Davydova. "Acute biliary obstruction with cholestasis caused by Fasciola hepatica in a patient travelled to Turcmenistan (a case report and literature review)." Epidemiology and Infectious Diseases 21, no. 2 (April 15, 2016): 92–98. http://dx.doi.org/10.17816/eid40904.

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The paper describes the case of Fasciola hepatica in patient from Turkmenistan presenting with icterus, biliary-type pain, dark urine and jaundice. Magnetic resonance (MRC) and endoscopic retrograde cholangiography (ERC) were performed and after sphincterotomy one Fasciola hepatica was extracted. After the ERC antiparasitic treatment was given with triclabendazole. Clinical outcome was favourable. In conclusion, fascioliasis should be considered in the differential diagnosis of obstructive jaundice, especially in patients travelled to endemic regions, and it should be kept in mind that ERC and triclabendazole play an important role in the diagnosis and treatment of these patients. To our knowledge, this is the first case report of Fasciola hepatica treated by ERC in Russia.

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KABAALİOĞLU, Adnan. "Fasciola Hepatica: Radiological Findings: Letter to the Editor." Turkiye Klinikleri Journal of Medical Sciences 33, no. 1 (2013): 297–98. http://dx.doi.org/10.5336/medsci.2011-26465.

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Ollerenshaw, C. B., and E. G. Graham. "Differentiation of the rediae of Fasciola hepatica and Fasciola gigantica." Annals of Tropical Medicine & Parasitology 80, no. 5 (October 1986): 573–74. http://dx.doi.org/10.1080/00034983.1986.11812069.

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Nukeri, Sophy, Mokgadi Pulane Malatji, Mita Eva Sengupta, Birgitte Jyding Vennervald, Anna-Sofie Stensgaard, Mamohale Chaisi, and Samson Mukaratirwa. "Potential Hybridization of Fasciola hepatica and F. gigantica in Africa—A Scoping Review." Pathogens 11, no. 11 (November 6, 2022): 1303. http://dx.doi.org/10.3390/pathogens11111303.

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The occurrence of Fasciola gigantica and F. hepatica in Africa is well documented; however, unlike in Asia, there is a paucity of information on the existence of hybrids or parthenogenetic species on the continent. Nonetheless, these hybrid species may have beneficial characteristics, such as increased host range and pathogenicity. This study provides evidence of the potential existence of Fasciola hybrids in Africa. A literature search of articles published between 1980 and 2022 was conducted in PubMed, Google Scholar, and Science Direct using a combination of search terms and Boolean operators. Fasciola species were documented in 26 African countries with F. hepatica being restricted to 12 countries, whilst F. gigantica occurred in 24 countries, identified based on morphological features of adult Fasciola specimens or eggs and molecular techniques. The co-occurrence of both species was reported in 11 countries. However, the occurrence of potential Fasciola hybrids was only confirmed in Egypt and Chad but is suspected in South Africa and Zimbabwe. These were identified based on liver fluke morphometrics, assessment of the sperms in the seminal vesicle, and molecular techniques. The occurrence of intermediate host snails Galba truncatula and Radix natalensis was reported in Ethiopia, Egypt, South Africa, Tanzania, and Uganda, where F. hepatica and F. gigantica co-occurrences were reported. The invasive Pseudosuccinea columella snails naturally infected with F. gigantica were documented in South Africa and Egypt. In Zimbabwe, P. columella was infected with a presumed parthenogenetic Fasciola. This suggests that the invasive species might also be contributing to the overlapping distributions of the two Fasciola species since it can transmit both species. Notwithstanding the limited studies in Africa, the potential existence of Fasciola hybrids in Africa is real and might mimic scenarios in Asia, where parthenogenetic Fasciola exist in most Asian countries. In South Africa, aspermic F. hepatica and Fasciola sp. have been reported already, and Fasciola hybrids have been reported? in Chad and Egypt. Thus, the authors recommend future surveys using molecular markers recommended to identify Fasciola spp. and their snail intermediate hosts to demarcate areas of overlapping distribution where Fasciola hybrids and/or parthenogenetic Fasciola may occur. Further studies should also be conducted to determine the presence and role of P. columella in the transmission of Fasciola spp. in these geographical overlaps to help prevent parasite spillbacks.

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ZEREN, Cem, Ali EREN, Adnan ÇELİKEL, Vicdan KÖKSALDI MOTOR, Erhan YENGİL, and Berna HAMAMCI. "Investigation of Fasciola hepatica Seropositivity in Forensic Autopsies in the Çukurova Region." Turkiye Klinikleri Journal of Medical Sciences 33, no. 2 (2013): 501–4. http://dx.doi.org/10.5336/medsci.2012-30826.

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Shahnazi, Mojtaba, Maryam Ebadi, Zahra Abbaspoor, Elham Hajialilo, Amir Javadi, Peyman Heydarian, Mehrzad Saraei, and Safar Ali Alizadeh. "Molecular Characterization of Fasciola and Dicrocoelium Species Isolated from Ruminant Livestock in Qazvin, Iran." Infectious Disorders - Drug Targets 20, no. 5 (December 9, 2020): 737–42. http://dx.doi.org/10.2174/1871526519666191009143043.

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Introduction: Fascioliasis and dicrocoeliasis are the most frequent zoonotic diseases with increasing human health problems in different parts of Iran. Two species, Fasciola hepatica (F. hepatica) and Fasciola gigantica (F. gigantica), are spread in the country. Molecular approaches have a decisive role in identifying both the species. The aim of this study was to detect Fasciola spp. and Dicrocoelium spp. by amplifying the ITS-2 and 28S rDNA gene sequence. Methods: Overall, 30 infected liver samples were collected from the livestock of Qazvin, Iran. The adult flukes were collected from different livestock. DNA extraction and PCR amplification of ribosomal RNA gene region (ITS2) and 28S rDNA gene fragment were conducted and a phylogenetic tree was constructed. Results: All the isolates obtained from the cattle (No: 7) and 82.6% (No: 19) of sheep isolates were infected with F. hepatica species, whereas 17.4% (No: 4) of sheep isolates were infected with F. gigantica. It was also shown that F. hepatica was the predominant species of Fasciola present in the region. All the specimens were infected with Dicrocoelium dendriticum (D. dendriticum). Conclusion: Both the species of Fasciola were found in Qazvin. D. dendriticum was the sole infecting species of the Dicrocoelium genus in the livestock of the city of Qazvin. Further research studies are needed to determine the intermediate host of the parasites in the region.

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Mumcu, Necati, Celal Idemen, Serkan Cerrah, and Ibrahim Uysal. "Fasciola hepatica in the Differential Diagnosis of a Patient with Obstructive Jaundice and Eosinophilia." Infectious Diseases and Clinical Microbiology 4, no. 4 (December 21, 2022): 289–92. http://dx.doi.org/10.36519/idcm.2022.130.

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Fasciola hepatica is a trematode that is visible to the naked eye. The diagnosis can be made by serology or by clinical improvement and decrease of eosinophilia after triclabendazole treatment or by finding parasite eggs in the stool. Sometimes the diagnosis is possible during unnecessary surgery, laparoscopic cholecystectomy, and endoscopic retrograde cholangiopancreatography (ERCP). F. hepatica infection should be considered in patients with typical clinical findings; the elevation of liver enzymes indicating cholestasis, eosinophilia, and characteristic computed tomography (CT) or ultrasonography (USG) findings. Here, we presented a case with the preliminary diagnosis of choledocholithiasis and diagnosed with F. hepatica infection by ERCP procedure. Keywords: Fasciola hepatica, obstructive jaundice, eosinophilia

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Nasreldin, Nani, and Rania Samir Zaki. "Biochemical and immunological investigation of fascioliasis in cattle in Egypt." May-2020 13, no. 5 (2020): 923–30. http://dx.doi.org/10.14202/vetworld.2020.923-930.

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Background and Aim: Fasciola hepatica and Fasciola gigantica are two commonly reported liver flukes that cause fascioliasis in ruminants. Among the members of the genus Fasciola, F. hepatica was identified in the study area. Fascioliasis is a major disease that affects the production of livestock by causing liver damage. F. hepatica has developed advanced mechanisms to trick, elude, and alter the host immune response, similar to an extrinsic stressor. These mechanisms consequently affect the animals' physiological and metabolic functions in vivo and postmortem changes, which have significant influences on animal welfare and meat quality development. Therefore, this study aimed to determine the current prevalence of cattle fascioliasis at abattoirs in El-Kharga city, New Valley Governorate, Egypt, and to investigate the changes in serum biochemical and immunological parameters and oxidative stress factors due to Fasciola spp. infection in terms of meat quality and immune response. Materials and Methods: A total of 226 cattle were inspected for the presence of Fasciola spp. The liver of each cattle was examined by making several incisions for detecting adult Fasciola spp. in El- Kharga . The blood samples were collected to analyze the changes in serum biochemical and immunological parameters and oxidative stress factors. Results: Of the 226 cattle, 38 (16.81%) were positive for F. hepatica at the postmortem examination. Cattle infected with F. hepatica had highly elevated serum alanine aminotransferase, aspartate aminotransferase, glutamate dehydrogenase, γ-glutamyl transferase, urea, and creatinine levels. Immunological cytokine profiles showed significantly increased serum interleukin (IL)-4, IL-10, and transforming growth factor-beta levels and a significantly decreased interferon-γ level. Furthermore, oxidative stress profiles showed significantly increased serum malondialdehyde and nitric oxide levels and significantly decreased total antioxidant capacity and reduced glutathione level. Conclusion: This study demonstrated that F. hepatica infection alone is an oxidative stress factor that affects slaughtered animals, leading to biochemical and metabolic alterations in the early postmortem period.

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Journal articles on the topic 'Fasciola hepatica'

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