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https://www.readbyqxmd.com/read/29351076/parasites-in-stray-dogs-from-italy-prevalence-risk-factors-and-management-concerns
#1
Claudio De Liberato, Federica Berrilli, Livio Odorizi, Roberto Scarcella, Marco Barni, Cristina Amoruso, Alessia Scarito, Margherita Montalbano Di Filippo, Andrea Carvelli, Francesca Iacoponi, Paola Scaramozzino
Parasites are among the most common pathogens recorded in dogs. High prevalence rates are usually reported in stray and shelter dogs, as these animals are less likely to be tested and treated. In this study a survey was carried out on intestinal and lung parasites of stray dogs at the moment of the admission in a shelter in Central Italy. In the period June 2014-June 2015, 262 individual faecal samples were examined. Twelve parasitic taxa were detected. Helminths were more prevalent than protozoa (61.8% and 25...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29351074/two-nematode-species-from-freshwater-and-marine-fishes-in-thailand-including-ascarophis-scatophagi-sp-nov-cystidicolidae-from-scatophagus-argus-scatophagidae
#2
František Moravec, Thanapon Yooyen, Amornrat Sanprick
One new and one known species of parasitic nematodes are reported from Thailand for the first time: Falcaustra kaverii (Karve et Naik,1951) (Kathlaniidae) from the intestine of the freshwater fish Poropuntius deauratus (Valenciennes) (Cyprinidae) (new host record) and Ascarophis scatophagi sp. nov. (Cystidicolidae) from the intestine of the marine fish Scatophagus argus (Linnaeus) (Scatophagidae). The morphology of both these species was studied with the use of light (LM) and scanning electron microscopy (SEM) (the latter method used for F...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29351071/a-frequent-roundworm-baylisascaris-transfuga-in-overpopulated-brown-bears-ursus-arctos-in-slovakia-a-problem-worthy-of-attention
#3
Gabriela Štrkolcová, Mária Goldová, Viliam Šnábel, Marta Špakulová, Tatiana Orosová, Miloš Halán, Jana Mojžišová
The genus Baylisascaris (order Ascaridida) includes numerous relatively host-specific nematodes, which are common in intestines of wild mammals. Some of them may have impact on veterinary and public health, as their larvae have the potential to cause visceral, ocular, and/or neural larva migrans in a wide range of mammals, birds, and humans. Baylisascaris transfuga is a parasite occurring in a range of bear species throughout the world. We present the current data on B. transfuga occurrence in brown bears from a relatively restricted territory of the Poľana Protected Landscape Area in Central Slovakia, obtained by traditional methods (faecal examination, morphology)...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29351067/changes-in-the-incidence-of-intestinal-giardiosis-in-mexican-population-during-five-years-2011-2015
#4
Gabriela Ibáñez-Cervantes, Gloria León-Ávila, Juan Manuel Bello-López, Armando Pérez-Rangel, Gregorio León-García, Benjamín Nogueda-Torres, José Manuel Hernández
Giardiosis is a parasitic disease caused by the protozoan Giardia intestinalis, which is distributed worldwide. Most of the data on the prevalence of giardiosis in Mexico comes from research, but it is also necessary to study the data provided by the Mexican Health Ministry and issued by the General Directorate of Epidemiology. The aim of this work was analyse the national surveillance data for human giardiosis in order to update the epidemiological data of this disease in Mexico. A retrospective observational analysis of giardiosis (from January 2011 to December 2015) was performed in the annual reports emitted by the GDE in Mexico...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29351063/morphological-and-molecular-characterization-of-seuratascaris-numidica-seurat-1917-ascaridida-ascarididae
#5
Hui-Xia Chen, Kuang Zhang, Lu-Ping Zhang, Liang Li
Seuratascaris numidica (Seurat, 1917) is a specialized nematode species parasitizing amphibians only. In the present study, the detailed morphology of this poorly known species was studied using light and scanning electron microscopy based on the newly material collected from Hoplobatrachus chinensis (Osbeck) (Amphibia: Anura) in China. We found that the relative length of intestinal caecum in our male specimens (representing 68.4-71.1% of oesophageal length) is slighter longer than the previously reported data (not over 60...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29351060/nematode-parasites-of-duttaphrynus-stomaticus-lutken-1864-amphibia-anura-with-description-of-a-new-species-of-rhabdias-stiles-and-hassall-1905-nematoda-rhabdiasidae-from-dehradun-uttarakhand-india
#6
Pallab Maity, Anjum N Rizvi, Charles R Bursey
Rhabdias stomatica sp. nov. from the lungs of Duttaphrynus stomaticus (Lutken, 1864) from Dehradun, Uttarakhand, India is described and illustrated. Rhabdias stomatica sp. nov. is the 16th species described from the Oriental biogeographical region and the 8th species from India. The new species is differentiated from the closely related Oriental species in having 4 weakly developed lips, a trapezoidal shaped buccal cavity, different position of nerve ring and in the esophagus/body length ratio. In addition, to the new species found in the lungs, mature specimens of Aplectana macintoshii (Stewart, 1914) Travassos, 1931 and larvae representing two unidentified species of nematode were found in the large intestine of the D...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29347990/establishment-of-an-in-vitro-chicken-epithelial-cell-line-model-to-investigate-eimeria-tenella-gamete-development
#7
Françoise I Bussière, Alisson Niepceron, Alix Sausset, Evelyne Esnault, Anne Silvestre, Robert A Walker, Nicholas C Smith, Pascale Quéré, Fabrice Laurent
BACKGROUND: Eimeria tenella infection leads to acute intestinal disorders responsible for important economic losses in poultry farming worldwide. The life-cycle of E. tenella is monoxenous with the chicken as the exclusive host; infection occurs in caecal epithelial cells. However, in vitro, the complete life-cycle of the parasite has only been propagated successfully in primary chicken kidney cells, which comprise undefined mixed cell populations; no cell line model has been able to consistently support the development of the sexual stages of the parasite...
January 18, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29346656/host-responses-to-intestinal-nematodes
#8
Koubun Yasuda, Kenji Nakanishi
Helminth infection remains common in developing countries, where residents who suffer from the consequences of such infections can develop serious physical and mental disorders and often persist in the face of serious economic problems. Intestinal nematode infection induces the development of Th2-type immune responses including the B cell IgE response; additionally, this infection induces an increase in the numbers and activation of various types of effector cells, such as mast cells, eosinophils and basophils, as well as the induction of goblet cell hyperplasia, antimicrobial peptide production and smooth muscle contraction, all of which contribute to expel nematodes...
January 13, 2018: International Immunology
https://www.readbyqxmd.com/read/29341586/development-of-a-novel-cytopathic-effect-based-phenotypic-screening-assay-against-cryptosporidium
#9
Alexander T Chao, Boon Heng Lee, Kah Fei Wan, Jeremy Selva, Bin Zou, Peter Gedeck, David Beer, Thierry T Diagana, Ghislain Bonamy, Ujjini H Manjunatha
Cryptosporidiosis is a diarrheal disease predominantly caused by Cryptosporidium parvum (Cp) and Cryptosporidium hominis (Ch), apicomplexan parasites which infect the intestinal epithelial cells of their human hosts. The only approved drug for cryptosporidiosis is nitazoxanide, which shows limited efficacy in immunocompromised children, the most vulnerable patient population. Thus, new therapeutics and in vitro infection models are urgently needed to address the current unmet medical need. Toward this aim, we have developed novel cytopathic effect (CPE)-based Cp and Ch assays in human colonic tumor (HCT-8) cells and compared them to traditional imaging formats...
January 17, 2018: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29340467/prevalence-of-and-risk-factors-for-intestinal-parasite-infections-in-pediatric-patients-admitted-to-public-hospitals-in-southern-brazil
#10
Isis Almeida de Almeida, Sabrina Jeske, Marília Arndt Mesemburg, Maria Elisabeth Aires Berne, Marcos Marreiro Villela
INTRODUCTION: This study aimed to evaluate the prevalence of intestinal parasitosis and to identify risk factors associated therewith in hospitalized children. METHODS: Three fecal samples from each patient were evaluated using three different techniques. The patients' nutritional and socioeconomic status and hematologic profiles were evaluated. RESULTS: Of 106 children, 32.1% tested positive for intestinal parasitosis. The associated risk factors were low parental education levels and children's nail-biting habit...
November 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29339143/gene-silencing-reveals-multiple-functions-of-na-k-atpase-in-the-salmon-louse-lepeophtheirus-salmonis
#11
Anna Z Komisarczuk, Heidi Kongshaug, Frank Nilsen
Na+/K+-ATPase has a key function in a variety of physiological processes including membrane excitability, osmoregulation, regulation of cell volume, and transport of nutrients. While knowledge about Na+/K+-ATPase function in osmoregulation in crustaceans is extensive, the role of this enzyme in other physiological and developmental processes is scarce. Here, we report characterization, transcriptional distribution and likely functions of the newly identified L. salmonis Na+/K+-ATPase (LsalNa+/K+-ATPase) α subunit in various developmental stages...
January 12, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29337611/interactions-between-parasites-and-the-bacterial-microbiota-of-chickens
#12
Rüdiger Hauck
Except for the important role coccidia have as predisposing factors of necrotic enteritis, the role parasites play in the dynamics of a healthy microbiota of chickens is not well explored. This review describes the interactions of relevant intestinal parasites of chickens with bacteria. Infection with Eimeria spp. favor the growth of Clostridium perfringens and suppress the growth of many other bacteria by increasing viscosity and passage time of the ingesta, and by causing lesions to the intestinal mucosa that improve the availability of nutrients for C...
December 2017: Avian Diseases
https://www.readbyqxmd.com/read/29335029/estimating-the-proportion-of-clinically-diagnosed-infectious-and-non-infectious-animal-diseases-in-ganta-afeshum-woreda-eastern-tigray-zone-ethiopia
#13
Mebrahtu Tedla, Mebrahtu Gebreselassie
OBJECTIVE: This study was performed with the objective of identifying the proportion of emerging and endemic livestock diseases using cross sectional survey. RESULT: A total of 285 clinically diseased animals were presented to a veterinary clinic and diagnosed tentatively based on history, clinical sign, and simple laboratory diagnostics and from the study, actinomycosis (15.83%), mastitis (15%), tick infestation (10%), respiratory diseases (9.16%) and gastro intestinal parasitism (9...
January 15, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29331367/molecular-characterization-and-differential-expression-analysis-of-interleukin-1%C3%AE-from-ovis-aries
#14
Yi-Ming Shui, Shi-Ying Lu, Xing Guo, Xi-Lin Liu, Bao-Quan Fu, Pan Hu, Lin-Lin Qu, Nan-Nan Liu, Yan-Song Li, Lu-Lu Wang, Fei-Fei Zhai, Dan-Di Ju, Zeng-Shan Liu, Yu Zhou, Hong-Lin Ren
The interleukin-1 family is an important component of the innate immune system and plays an important role in regulating immune responses on the invasion of intracellular parasites in the acquired immune system. Interleukin 1β (IL-1β) is one of the members of the IL-1 family that predominantly activates downstream signaling pathways to play immunological functions of stimulating T and B lymphocyte activation and promoting the various syntheses of inflammatory substances in conjunction with other cytokines...
January 10, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29329625/immune-development-and-performance-characteristics-of-romney-sheep-selected-for-either-resistance-or-resilience-to-gastrointestinal-nematodes
#15
A W Greer, J L McKenzie, R W McAnulty, J F Huntley, T N McNeilly
Immunological and performance characteristics were explored in Romney sheep from lines selected for either resistance or resilience to parasite infection. At a mean 78 days-of-age, twin lambs from a line selected for resistance (RT) and lambs from a line selected for resilience (RL) were infected with the intestinal nematode Trichostrongylus colubriformis for 100 days (I) while their twin remained as an uninfected control (C). Compared with RL, RT animals had lower levels of circulating CD4+ T-cells (P = 0...
January 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29329622/prevalence-and-molecular-characterization-of-giardia-duodenalis-in-cattle-and-sheep-from-the-qinghai-tibetan-plateau-area-qtpa-northwestern-china
#16
Yingna Jian, Xueyong Zhang, Xiuping Li, Gabriele Karanis, Liqing Ma, Panagiotis Karanis
Giardia duodenalis is an important intestinal protozoan parasite with a wide range of hosts, including humans, livestock and wildlife. The purpose of this study was to determine the prevalence of G. duodenalis infections among cattle and sheep in the Qinghai-Tibetan Plateau Area (QTPA) and to assess the potential risk of the zoonotic transmission of this pathogen. A total of 454 stool specimens were collected and examined using the nested PCR method based on the G. duodenalis SSUrRNA gene fragment. Thirty-nine out of 389 cattle specimens examined were positive (10%) for the G...
January 30, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29329599/gallbladder-ascariasis-in-kosovo-focus-on-ultrasound-and-conservative-therapy-a-case-series
#17
Vlora Ismaili-Jaha, Halim Toro, Lidvana Spahiu, Mehmedali Azemi, Teuta Hoxha-Kamberi, Muharrem Avdiu, Shqipe Spahiu-Konjusha, Luan Jaha
BACKGROUND: Ascaris lumbricoides is one of the most common intestinal infections in developing countries, including Kosovo. In contrast to migration to the bile duct, migration of the worm to the gallbladder, due to the narrow and tortuous nature of the cystic duct, is rare. When it does occur, it incites acalculous cholecystitis. CASE PRESENTATIONS: This case series describes a 16-month-old Albanian girl, a 22-month-old Albanian girl, a 4-year-old Albanian girl, and a 10-year-old Albanian boy...
January 13, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29329012/oxidative-transformation-kinetics-and-pathways-of-albendazole-from-reactions-with-manganese-dioxide
#18
Sin-Yi Liou, Wan-Ru Chen
Albendazole (ABZ) is a benzimidazole-based veterinary anthelmintic used extensively in the treatment of intestinal parasites. Due to its high hydrophobicity, ABZ tends to accumulate in soils and sediments in the environment. This study aims to investigate ABZ's possible degradation by manganese oxides. Minor effects from ionic strength and metal cations on ABZ degradation were observed. By contrast, decrease of pH greatly enhanced the reaction rate. Surface complexation between ABZ and MnO2 was indicated to be the dominant control in the reaction kinetics...
December 29, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29324806/immunocompetent-host-develops-mild-intestinal-inflammation-in-acute-infection-with-toxoplasma-gondii
#19
Paulo da Silva Watanabe, Aline Rosa Trevizan, Saulo Euclides Silva-Filho, Marcelo Biondaro Góis, João Luiz Garcia, Roberto Kenji Nakamura Cuman, Ana Cristina Breithaupt-Faloppa, Débora de Mello Gonçales Sant Ana, Gessilda de Alcantara Nogueira de Melo
Toxoplasma gondii (T. gondii) is the causative agent of toxoplasmosis, common zoonosis among vertebrates and high incidence worldwide. During the infection, the parasite needs to transpose the intestinal barrier to spread throughout the body, which may be a trigger for an inflammatory reaction. This work evaluated the inflammatory alterations of early T. gondii infection in peripheral blood cells, in the mesenteric microcirculation, and small intestinal tissue by measurement of MPO (myeloperoxidase) activity and NO (nitric oxide) level in rats...
2018: PloS One
https://www.readbyqxmd.com/read/29320813/therapeutic-effects-of-resiniferatoxin-related-with-immunological-responses-for-intestinal-inflammation-in-trichinellosis
#20
REVIEW
José Luis Muñoz-Carrillo, José Luis Muñoz-López, José Jesús Muñoz-Escobedo, Claudia Maldonado-Tapia, Oscar Gutiérrez-Coronado, Juan Francisco Contreras-Cordero, María Alejandra Moreno-García
The immune response against Trichinella spiralis at the intestinal level depends on the CD4+ T cells, which can both suppress or promote the inflammatory response through the synthesis of diverse cytokines. During the intestinal phase, the immune response is mixed (Th1/Th2) with the initial predominance of the Th1 response and the subsequent domination of Th2 response, which favor the development of intestinal pathology. In this context, the glucocorticoids (GC) are the pharmacotherapy for the intestinal inflammatory response in trichinellosis...
December 2017: Korean Journal of Parasitology
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