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Intestinal parasites

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https://www.readbyqxmd.com/read/28091387/prevalence-of-intestinal-parasites-in-cats-and-their-importance-in-terms-of-public-health
#1
Umut Fikret Korkmaz, Sami Gökpınar, Kader Yıldız
OBJECTIVE: This study aimed to detect the prevalence of intestinal parasites in cats by fecal examination. METHODS: A total of 100 fecal samples were collected from owned and stray cats in the Kırıkkale province. Epidemiological data on the sampled cats (e.g., age, race, and sex) were recorded. The samples were macroscopically investigated for the presence of cestode proglottids. The fecal smears were stained with Giemsa and Carbol fuchsin stains. The samples were prepared by centrifugal flotation with a saturated sugar solution...
December 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/28091386/prevalence-of-infection-with-the-larval-form-of-the-cestode-parasite-taenia-saginata-in-cattle-in-northwest-iran-and-its-zoonotic-importance
#2
Mohammad Mirzaei, Ahmad Nematolahi, Javad Ashrafihelan, Hadi Rezaei
OBJECTIVE: Bovine cysticercosis is a cattle infection caused by a tapeworm, Taenia saginata. While the condition is relatively innocuous, the parasite infects the small intestine of humans in its mature stage and causes a few specific symptoms such as abdominal pain and nausea. METHODS: Between February 2013 and February 2014, a total of 640 cattle were randomly selected from all the cattle sent to the abattoir, and some internal organs and skeletal muscles of these cattle were inspected...
December 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/28089548/nanoformulation-of-synergistic-tlr-ligands-to-enhance-vaccination-against-entamoeba-histolytica
#3
Mayuresh M Abhyankar, Zannatun Noor, Mark A Tomai, James Elvecrog, Christopher B Fox, William A Petri
Diarrheal infectious diseases represent a major cause of global morbidity and mortality. There is an urgent need for vaccines against diarrheal pathogens, especially parasites. Modern subunit vaccines rely on combining a highly purified antigen with an adjuvant to increase their efficacy. In the present study, we evaluated the ability of a nanoliposome adjuvant system to trigger a strong mucosal immune response to the Entamoeba histolytica Gal/GalNAc lectin LecA antigen. CBA/J mice were immunized with alum, emulsion or liposome based formulations containing synthetic TLR agonists...
January 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28087142/ultrastructural-characteristics-of-the-mature-spermatozoon-of-the-digenean-sclerodistomum-italicum-stossich-1893-hemiuroidea-sclerodistomidae-intestinal-parasite-of-hypocanthus-amia-teleostei-carangidae
#4
Papa Ibnou Ndiaye, Yann Quilichini, Adji Mama Marigo, Cheikh Tidiane Bâ, Vasyl V Tkach, Bernard Marchand
The mature spermatozoon of Sclerodistomum italicum is filiform, tapered at both ends and shows the following features: 2 axonemes of the 9+"1" pattern of the Trepaxonemata, mitochondrion, nucleus and parallel cortical microtubules. The specific features of the spermatozoon of S. italicum include the simultaneous presence of two types of extramembranous ornamentations, the presence of short cortical microtubules in the anterior part of the spermatozoon and the presence of only one bundle of cortical microtubules in the median part of the spermatozoon...
December 30, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28086814/intestinal-helminth-co-infection-and-associated-factors-among-tuberculosis-patients-in-arba-minch-ethiopia
#5
Getaneh Alemu, Mohammedaman Mama
BACKGROUND: Helminths affect the outcome of tuberculosis by shifting cell mediated immune response to humoral and by total suppression of the host immune system. On the reverse, Mycobacterium infection favors immune escape of helminths. Therefore assessing helminth co-infection rate and predisposing factors in tuberculosis patients is mandatory to set strategies for better case management. METHODS: Facility based cross-sectional study was conducted in Arba Minch to assess the prevalence and associated factors of intestinal helminths among pulmonary tuberculosis patients from January to August, 2016...
January 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28080916/aerobic-microflora-and-endoparasites-of-freshly-shot-wild-agouti-dasyprocta-leporina-in-trinidad-west-indies
#6
Rod Suepaul, Roxanne Charles, Francis Dziva
The agouti ( Dasyprocta leporina ) is a New World wild rodent hunted for its meat in Trinidad and other Latin American countries. Studies on agouti under captive conditions have yielded some data on health-related aspects, but relatively very little is known about their wild counterparts. The environment of the agouti can influence the microflora and parasites harbored by the animals, which may contain zoonotic pathogens. Here, the microflora found on the nasal mucosa and sections of the intestinal tract and endoparasites of freshly shot agouti from various areas of Trinidad are described...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079004/foodborne-giardiasis-is-there-any-relationship-between-food-handlers-and-transmission-of-giardia-duodenalis
#7
Molouk Beiromvand, Ehsanallah Mirrezaie, Somayeh Mirzavand
BACKGROUND: The foodborne diseases are the main causes of morbidity and mortality in the human communities. Giardia duodenalis, the causative agent of giardiasis, is one of the foodborne parasites, which has public health importance. The aim of the current study was to assess the prevalence of G. duodenalis among food handlers in Andimeshk County, southwest of Iran. MATERIALS AND METHODS: This cross-sectional study was undertaken among 480 food handlers in 2015...
January 10, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28073072/life-cycle-of-blastocrithidia-papi-sp-n-kinetoplastea-trypanosomatidae-in-pyrrhocoris-apterus-hemiptera-pyrrhocoridae
#8
Alexander O Frolov, Marina N Malysheva, Anna I Ganyukova, Vyacheslav Yurchenko, Alexei Y Kostygov
Blastocrithidia papi sp. n. is a cyst-forming trypanosomatid parasitizing firebugs (Pyrrhocoris apterus). It is a member of the Blastocrithidia clade and a very close relative of B. largi, to which it is almost identical through its SSU rRNA gene sequence. However, considering the SL RNA gene these two species represent quite distinct, not even related typing units. Morphological analysis of the new species revealed peculiar or even unique features, which may be useful for future taxonomic revision of the genus Blastocrithidia...
November 16, 2016: European Journal of Protistology
https://www.readbyqxmd.com/read/28070012/prevalence-and-risk-factors-for-intestinal-parasitic-infection-in-schoolchildren-in-battambang-cambodia
#9
Chien-Wei Liao, Kuan-Chih Chiu, I-Chen Chiang, Po-Ching Cheng, Ting-Wu Chuang, Juo-Han Kuo, Yun-Hung Tu, Chia-Kwung Fan
Most intestinal parasitic infections (IPIs), commonly endemic in tropical resource-poor developing countries, are neglected tropical diseases. Parasitic infections and malnutrition are most commonly found in children. We determined the prevalence of IPIs and the risk factors in Battambang Province, northwestern Cambodia, from August to September 2015. This study collected 308 valid questionnaires and specimens from Dontri (173, 56.2%) and Kon Kaêk (135, 43.8%) primary schools. All stool samples were examined using Chang's Feces Examination Apparatus through the merthiolate-iodine-formaldehyde technique...
January 9, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28066686/intestinal-enterobacteriaceae-that-protect-nematodes-from-the-effects-of-benzimidazoles
#10
John H Whittaker, Alan P Robertson, Michael J Kimber, Tim A Day, Steve A Carlson
The objective of this study was to investigate an interaction between nematodes and gut Enterobacteriaceae that use benzimidazoles as a carbon source. By addressing this objective, we identified an anthelmintic resistance-like mechanism for gastrointestinal nematodes. We isolated 30 gut bacteria (family Enterobacteriaceae) that subsist on and putatively catabolize benzimidazole-class anthelmintics. C. elegans was protected from the effects of benzimidazoles when co-incubated with these Enterobacteriaceae that also protect adult ascarids from the effects of albendazole...
October 2016: Journal of Bacteriology & Parasitology
https://www.readbyqxmd.com/read/28060901/molecular-epidemiology-of-blastocystis-sp-in-various-animal-groups-from-two-french-zoos-and-evaluation-of-potential-zoonotic-risk
#11
Amandine Cian, Dima El Safadi, Marwan Osman, Romain Moriniere, Nausicaa Gantois, Sadia Benamrouz-Vanneste, Pilar Delgado-Viscogliosi, Karine Guyot, Luen-Luen Li, Sébastien Monchy, Christophe Noël, Philippe Poirier, Céline Nourrisson, Ivan Wawrzyniak, Frédéric Delbac, Stéphanie Bosc, Magali Chabé, Thierry Petit, Gabriela Certad, Eric Viscogliosi
Blastocystis sp. is a common intestinal parasite infecting humans and a wide range of animals worldwide. It exhibits an extensive genetic diversity and 17 subtypes (STs) have thus far been identified in mammalian and avian hosts. Since several STs are common to humans and animals, it was proposed that a proportion of human infections may result from zoonotic transmission. However, the contribution of each animal source to human infection remains to be clarified. Therefore, the aim of this study was to expand our knowledge of the epidemiology and host specificity of this parasite by performing the largest epidemiological survey ever conducted in animal groups in terms of numbers of species screened...
2017: PloS One
https://www.readbyqxmd.com/read/28057071/parasitic-infections-and-maternal-anaemia-among-expectant-mothers-in-the-dangme-east-district-of-ghana
#12
Samuel Crowther Kofi Tay, Emmanuel Agbeko Nani, Williams Walana
BACKGROUND: Parasitic infections are of public health concern globally, particular among at risk groups such as pregnant women in developing countries. The presence of these parasites during pregnancy potentiate adverse effects to both the mother and the unborn baby. This study sought to establish the prevalence of some parasitic agents among antenatal attendees in the Dangme East District of Ghana. A cross-sectional prospective study was conduct between April and July, 2012. Venous blood specimens were collected from each participant for haemoglobin estimation and malaria microscopy...
January 3, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28052996/a-novel-bioengineered-3d-human-intestinal-model-for-long-term-infection-of-cryptosporidium-parvum
#13
Maria A DeCicco RePass, Ying Chen, Yinan Lin, Wenda Zhou, David L Kaplan, Honorine D Ward
Cryptosporidium spp. are apicomplexan parasites of global importance that cause human diarrheal disease. In vitro culture models to study this parasite with physiological relevance to in vivo infection remain sub-optimal. Thus, the pathogenesis of cryptosporidiosis remains poorly characterized, and interventions for the disease are limited. In this study, we evaluated the potential of a novel bioengineered 3D human intestinal tissue model (which we developed previously) to support long term infection by C. parvum...
January 4, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28051945/sex-specific-effects-of-high-yolk-androgen-levels-on-constitutive-and-cell-mediated-immune-responses-in-nestlings-of-an-altricial-passerine
#14
Jaime Muriel, Lorenzo Pérez-Rodríguez, Manuel E Ortiz-Santaliestra, Marisa Puerta, Diego Gil
Avian embryos are exposed to yolk androgens that are incorporated into the egg by the ovulating female. These steroids can affect several aspects of embryo development, often resulting in increases in overall size or the speed of growth of different traits. However, several studies suggest that they also entail immune costs to the offspring. In this study, we explored whether variation in yolk androgen concentration affected several measures of the constitutive and cell-mediated immune axes in the spotless starling (Sturnus unicolor)...
January 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28051571/toxocara-pteropodis-in-free-ranging-indian-flying-foxes-pteropus-medius-in-sri-lanka
#15
Anjana C Karawita, Chelsea G Himsworth, R P V Jayantha Rajapakse, Trent K Bollinger, Panduka de S Gunawardena
Toxocara pteropodis, an intestinal nematode, occurs in several captive and free-ranging pteropid bat species. We report infection in free-ranging Indian flying foxes (Pteropus medius) in Sri Lanka and contribute to our understanding of parasites in free-ranging P. medius .
January 4, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28039497/synergistic-effects-of-fenbendazole-and-metronidazole-against-giardia-muris-in-swiss-mice-naturally-infected
#16
Renata Coltro Bezagio, Cristiane Maria Colli, Liara Izabela Lopes Romera, Érika Cristina Ferreira, Ana Lúcia Falavigna-Guilherme, Mônica Lúcia Gomes
In this study were proposed different protocols for the treatment of mice naturally infected with Giardia muris. Male Swiss mice were divided into seven groups, with five animals each, in a blind, controlled, randomized by drawing lots and once-repeated experiment. Parasite detection and cure control were performed using the Faust method and search by trophozoites in the intestinal mucosa. Clinical parameters (weight, water and feed consumption, elimination of excreta, aspect of the fur and feces) were also evaluated...
December 30, 2016: Parasitology Research
https://www.readbyqxmd.com/read/28039407/cryptosporidium-parvum-infection-attenuates-the-ex%C3%A2-vivo-propagation-of-murine-intestinal-enteroids
#17
Xin-Tian Zhang, Ai-Yu Gong, Yang Wang, Xiqiang Chen, Sheng-Yau S Lim, Courtney E Dolata, Xian-Ming Chen
Cryptosporidium, a ubiquitous coccidian protozoan parasite that infects the gastrointestinal epithelium and other mucosal surfaces, is an important opportunistic pathogen for immunocompromised individuals and a common cause of diarrhea in young children in the developing countries. One of the pathological hallmarks of intestinal cryptosporidiosis is villous atrophy, which results in a shorter height of intestinal villi. Here, we investigated the effects of Cryptosporidium infection on intestinal epithelial growth, using an ex vivo model of intestinal cryptosporidiosis employing enteroids from mice...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/28033565/isolation-molecular-characterization-and-in-vitro-schizogonic-development-of-sarcocystis-sp-ex-accipiter-cooperii-from-a-naturally-infected-cooper-s-hawk-accipiter-cooperii
#18
David S Lindsay, Shiv K Verma, David Scott, Jitender P Dubey, Alexa R von Dohlen
Raptors serve as the definitive host for several Sarcocystis species. The complete life cycles of only a few of these Sarcocystis species that use birds of prey as definitive hosts have been described. In the present study, Sarcocystis species sporocysts were obtained from the intestine of a Cooper's hawk (Accipiter cooperii) and were used to infect cell cultures of African green monkey kidney cells to isolate a continuous culture and describe asexual stages of the parasite. Two clones of the parasite were obtained by limiting dilution...
December 26, 2016: Parasitology International
https://www.readbyqxmd.com/read/28030941/diagnostics-of-intestinal-parasites-in-light-microscopy-among-the-population-of-children-in-eastern-afghanistan
#19
Krzysztof Korzeniewski, Agata Smoleń, Alina Augustynowicz, Anna Lass
OBJECTIVES: The Afghans, living in poor socioeconomic conditions, are estimated to be a community with a high rate of intestinal parasitic infections. The aim of the study was to estimate the prevalence and species of intestinal parasites among children's population in eastern Afghanistan and to present the methods of optimizing the techniques for identification of pathogens in light microscopy. The research was carried out as a part of humanitarian project Capacity building of health care system in Ghazni Province...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28026022/protective-responses-of-intestinal-mucous-cells-in-a-range-of-fish-helminth-systems
#20
G Bosi, L Giari, J A DePasquale, A Carosi, M Lorenzoni, B Sayyaf Dezfuli
Histopathological, immunofluorescence and ultrastructural studies were conducted on the intestines of four fish species infected with different taxa of enteric helminths. Brown trout (Salmo trutta trutta), eel (Anguilla anguilla) and tench (Tinca tinca) obtained from Lake Piediluco (central Italy) were examined. Brown trout and eel were infected with two species of acanthocephalans, and tench was parasitized with a tapeworm species. In addition to the above site, specimens of chub (Squalius cephalus) and brown trout infected with an acanthocephalan were examined from the River Brenta (north Italy)...
December 27, 2016: Journal of Fish Diseases
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