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https://www.readbyqxmd.com/read/29445372/robust-phenotypic-activation-of-eosinophils-during-experimental-toxocara-canis-infection
#1
Joice Margareth de Almeida Rodolpho, Luciana Camillo, Márcio Sobreira Silva Araújo, Elaine Speziali, Jordana Grazziela Coelho-Dos-Reis, Ricardo de Oliveira Correia, Débora Meira Neris, Olindo Assis Martins-Filho, Andréa Teixeira-Carvalho, Fernanda de Freitas Anibal
Eosinophils are multifunctional cells that have cytotoxic proinflammatory activities and stimulate CD4 + T-cells in experimental models of allergy and parasitic infections. Eosinophils, when exposed to antigens, are activated, expressing the CD38/CD69 molecules and exhibited increased expression of major histocompatibility complex (MHC-II), CD80 and CD86, suggesting they play a role upon Toxocara canis antigen stimulation. In the present study, we evaluated the profile of eosinophils using conventional and image flow cytometry upon experimental T...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29426469/implications-of-zoonotic-and-vector-borne-parasites-to-free-roaming-cats-in-central-spain
#2
A Montoya, M García, R Gálvez, R Checa, V Marino, J Sarquis, J P Barrera, C Rupérez, L Caballero, C Chicharro, I Cruz, G Miró
Cats are definitive hosts and reservoirs for several parasites, some of which are responsible for serious zoonotic diseases. We conducted a case-control study of data from a trap-neuter-return (TNR) programme (years 2014-2017) designed to examine the prevalence of zoonotic parasites in free-roaming cats living in urban areas of central Spain. In the animal population tested (n = 263), we detected a 29.2% prevalence of endoparasites, including high rates of cestodes (12.9%) and Toxocara cati (11.7%). While faecal samples showed no Toxoplasma gondii oocysts, the seroprevalence of T...
February 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29424034/total-and-toxocara-canis-larval-excretory-secretory-antigen-and-allergen-specific-ige-in-atopic-and-non-atopic-dogs
#3
Lena L M N Zwickl, Deborah E Joekel, Nina M Fischer, Ana Rostaher, Kristian Thamsborg, Peter Deplazes, Claude Favrot
BACKGROUND: Total IgE concentrations are higher in dogs than in humans. Persistent Toxocara canis larval infection is prevalent in dogs and is associated with substantial specific antibody reactions. A correlation, however, between total IgE and T. canis-specific antibody levels in dogs has not been evaluated. OBJECTIVES: To determine the relationship between total IgE, T. canis-specific IgG and IgE, and allergen-specific IgE levels in atopic and non-atopic dogs, and to evaluate possible confounding factors...
February 9, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29423531/tissue-expression-pattern-of-abcg-transporter-indicates-functional-roles-in-reproduction-of-toxocara-canis
#4
Yong-Li Luo, Guang-Xu Ma, Yong-Fang Luo, Ce-Yan Kuang, Ai-Yun Jiang, Guo-Qing Li, Rong-Qiong Zhou
Toxocara canis is a zoonotic parasite with worldwide distribution. ATP-binding cassette (ABC) transporters are integral membrane proteins which involve in a range of biological processes in various organisms. In present study, the full-length coding sequence of abcg-5 gene of T. canis (Tc-abcg-5) was cloned and characterized. A 633 aa polypeptide containing two conserved Walker A and Walker B motifs was predicted from a continuous 1902 nt open reading frame. Quantitative real-time PCR was employed to determine the transcriptional levels of Tc-abcg-5 gene in adult male and female worms, which indicated high mRNA level of Tc-abcg-5 in the reproductive tract of adult female T...
February 8, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29404950/effect-of-dewatering-and-composting-on-helminth-eggs-removal-from-lagooning-sludge-under-semi-arid-climate
#5
Bouchra El Hayany, Ghizlen El Mezouari El Glaoui, Mohammed Rihanni, Amine Ezzariai, Abdelouahed El Faiz, Mohamed El Gharous, Mohamed Hafidi, Loubna El Fels
In this work, we assessed the drying and composting effectiveness of helminth eggs removal from sewage sludge of a lagoon wastewater treatment plant located in Chichaoua city. The composting was run after mixing sludge with green waste in different proportions: M1 (½ sludge + ½ green waste), M2 ([Formula: see text] sludge + [Formula: see text] green waste), and M3 ([Formula: see text] sludge + [Formula: see text] green waste) for 105 days. The analysis of the dewatered sewage sludge showed a load of 8-24 helminth eggs/g of fresh matter identified as Ascaris spp...
February 5, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29402497/diagnosis-of-ocular-toxocariasis-by-detecting-antibodies-in-the-vitreous-humor
#6
S Inchauspe, L V Echandi, E M Dodds
OBJECTIVES: To demonstrate the production of the local toxocara antibodies in the vitreous of patients with negative serology. MATERIAL AND METHODS: Retrospective review of the medical records of patients seen in a Tertiary Referral Hospital, and at an Eye Institute, with an ocular diagnosis of toxocariasis who had a negative serology and positive titres in the vitreous. RESULTS: After reviewing the medical records of 40 patients with a diagnosis of ocular toxocariasis, a total of six cases (15%) were found with a negative serology and a positive vitreous titre for toxocara antibody, both of them performed using an ELISA procedure...
February 2, 2018: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29388550/leishmania-infantum-dirofilaria-spp-and-other-endoparasite-infections-in-kennel-dogs-in-central-italy
#7
Federica Sauda, Livia Malandrucco, Gladia Macrì, Manuela Scarpulla, Claudio De Liberato, Giuliana Terracciano, Gianluca Fichi, Federica Berrilli, Stefania Perrucci
Prevalence and risk factors of Leishmania infantum, Dirofilaria spp. and other potentially zoonotic or canine-specific endoparasite infections were assessed in 639 kennel dogs from central Italy. To this end, individual blood and fecal samples were examined using parasitological, immunological and molecular techniques. The presence of compatible clinical pictures, as well as age and gender were considered as putative risks factors. To evaluate risk factors, multivariable analysis with logistic regression and univariable analysis with a Chi square test and a Fischer's exact test were performed...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29364534/italian-multicentre-study-found-infectious-and-vaccine-preventable-diseases-in-children-adopted-from-africa-and-recommends-prompt-medical-screening
#8
Elena Chiappini, Mauro Zaffaroni, Martina Bianconi, Giuseppina Veneruso, Nicolino Grasso, Silvia Garazzino, Rosangela Arancio, Piero Valentini, Anna Ficcadenti, Maria Rosalia Da Riol, Simona La Placa, Luisa Galli, Maurizio de Martino, Gianni Bona
AIM: This study evaluated the prevalence of infectious diseases and immunisation status of children adopted from Africa METHODS: We studied 762 African children referred to 11 Italian paediatric centres in 2009-2015. Clinical and laboratory data were retrospectively collected and analysed. RESULTS: The median age of the children (60.3% males) was 3.6 years, 52.6% came from Ethiopia and 50.1% had at least one infectious disease. Parasitic infections accounted for the majority of the infectious diseases (409/715) and the most common were Giardia lamblia (n=239), Toxocara canis (n=65) and skin infections (n=205), notably Tinea capitis/corporis (n=134) and Molluscum contagiosum (n=56) Active tuberculosis (TB) was diagnosed in nine children (1...
January 24, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29351076/parasites-in-stray-dogs-from-italy-prevalence-risk-factors-and-management-concerns
#9
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/29274214/helminth-infections-in-faecal-samples-of-apennine-wolf-canis-lupus-italicus-and-marsican-brown-bear-ursus-arctos-marsicanus-in-two-protected-national-parks-of-central-italy
#10
Barbara Paoletti, Raffaella Iorio, Donato Traversa, Cristina E Di Francesco, Leonardo Gentile, Simone Angelucci, Cristina Amicucci, Roberto Bartolini, Marianna Marangi, Angela Di Cesare
This article reports the results of a copromicroscopic and molecular investigation carried out on faecal samples of wolves (n=37) and brown bears (n=80) collected in two protected national parks of central Italy (Abruzzo Region). Twenty-three (62.2%) samples from wolves were positive for parasite eggs. Eight (34.78%) samples scored positive for single infections, i.e. E. aerophilus (21.74%), Ancylostoma/Uncinaria (4.34%), Trichuris vulpis (4.34%), T. canis (4.34%). Polyspecific infections were found in 15 samples (65...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/29273062/enhanced-expressions-of-neurodegeneration-associated-factors-ups-impairment-and-excess-a%C3%AE-accumulation-in-the-hippocampus-of-mice-with-persistent-cerebral-toxocariasis
#11
Chia-Mei Chou, Yueh-Lun Lee, Chien-Wei Liao, Ying-Chieh Huang, Chia-Kwung Fan
BACKGROUND: Toxocariasis is a worldwide zoonotic parasitic disease mainly caused by Toxocara canis. Humans can be infected by accidental ingestion of T. canis embryonated ovum-contaminated food, water, or encapsulated larvae in paratenic hosts' viscera or meat. Since humans and mice are paratenic hosts of T. canis, the wandering larvae might cause mechanical tissue damage and excretory-secretory antigens may trigger inflammatory injuries to local organs. Long-term residence of T. canis larvae in a paratenic host's brain may cause cerebral toxocariasis (CT) that contributes to cerebral damage, neuroinflammation and neuropsychiatric disorders in mice and clinical patients...
December 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29243027/lactobacillus-rhamnosus-reduces-parasite-load-on-toxocara-canis-experimental-infection-in-mice-but-has-no-effect-on-the-parasite-in-vitro
#12
Débora Liliane Walcher, Luis Augusto Xavier Cruz, Paula de Lima Telmo, Lourdes Helena Rodrigues Martins, Luciana Farias da Costa de Avila, Maria Elisabeth Aires Berne, Carlos James Scaini
Human toxocariasis is a neglected global parasitic zoonosis. The efficacy of drug treatment for this disease has been hindered by the biological complexity of the main etiological agent, the nematode Toxocara canis. Experimental studies have shown the potential of probiotics to promote a reduction in the parasite load of T. canis larvae. This study aimed to evaluate the effect of probiotic Lactobacillus rhamnosus ATCC 7469 on the parasite load of BALB/c mice with acute toxocariasis and evaluate the direct effect of this probiotic on T...
December 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29223300/toxocara-species-exposure-symptoms-of-asthma-and-fractional-exhaled-nitric-oxide-in-the-us-population
#13
Funmilola Ogundipe, Edward Christian Anselm Hennis, Alem Mehari, Richard F Gillum
No abstract text is available yet for this article.
December 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29221930/in-vitro-effect-of-chrysosporium-indicum-and-chrysosporium-keratinophylum-on-toxocara-canis-eggs
#14
María V Bojanich, Juan A Basualdo, Gustavo Giusiano
The degree of antagonism exercised by fungi on geohelminth development varies according to the morphological alterations caused by different fungal species. Saprophytic fungi may exert ovicidal or ovistatic effects. The aim of this study was to apply scanning electron microscopy (SEM) to observe the action of two soil saprophytic species of Chrysosporium (C. indicum and C. keratinophylum) on Toxocara canis eggs. The fungal strains to be tested were incubated for 28 days at 28°C in 2% water agar with a suspension of unembryonated T...
December 5, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29214527/assessment-of-the-diagnostic-value-of-specific-anti-toxocara-iga-in-slovakian-patients-suspected-to-have-toxocarosis
#15
Vojtech Boldiš, František Ondriska, Simona Lipková
Human toxocarosis is one of the most widespread and prevalent helminthic zoonosis in many countries, including Slovakia. The aim was to evaluate the usefulness of IgA anti-Toxocara antibody detection in the serodiagnosis of toxocarosis. The levels of specific IgA antibodies were determined by excretory-secretory (ES)-enzyme-linked immunosorbent assay (ELISA). The IgA seropositivity in IgG anti-Toxocara seropositive patients (n = 52) was 32.7% and found to be highest in the oldest age groups (P = 0.026)...
December 6, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/29179904/corrigendum-to-seroprevalence-disease-awareness-and-risk-factors-for-toxocara-canisinfection-among-primary-schoolchildren-in-makoko-an-urban-slumcommunity-in-nigeria-acta-tropica-146-2015-135-140
#16
Pam V Gyang, Olaoluwa P Akinwale, Yueh-Lun Lee, Ting-Wu Chuang, Akwaowo B Orok, Olusola Ajibaye, Chien-Wei Liao, Po-Ching Chen, Chia-Mei Chou, Ying-Chieh Huang, Ursula Barghouth, Chia-Kwung Fan
No abstract text is available yet for this article.
November 24, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29176527/cat-scratch-disease-imitating-a-toxocara-granuloma-of-the-optic-disk
#17
Fouad E Sayyad, Ahmaida Zeglam, Swati Agarwal-Sinha
PURPOSE: The study reports an unusual presentation of a young female patient presenting with a granulomatous posterior pole mass and profound vision loss secondary to infection with Bartonella henselae. METHODS: A single case report in a child. RESULTS: An 8-year-old female presented with a recent history of flu-like illness associated with profound vision loss, panuveitis and leukocoria in the left eye. She was found to have a posterior granulomatous mass associated with an exudative retinal detachment presumed as a toxocara granuloma...
November 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29173542/regression-models-to-assess-the-risk-factors-of-canine-gastrointestinal-parasitism
#18
I Symeonidou, A Ι Gelasakis, K V Arsenopoulos, R Schaper, E Papadopoulos
Gastrointestinal parasites, protozoa and helminths, remain a common important finding in dogs presented to veterinary medical practices. Moreover, dogs may play an active role in the transmission of enteric parasites to humans, given their cohabitation, making canine gastrointestinal parasitism an issue of major concern for public health. To get an overview of the current state of canine gastrointestinal parasites' prevalence in Greece, a total of 1036 faecal samples were collected from dogs either presented in veterinary clinics or in animal shelters...
December 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29160521/migration-pattern-of-toxocara-canis-larvae-in-experimentally-infected-male-and-female-rattus-norvegicus
#19
Sergio Vieira Dos Santos, Felipe Henrique Yazawa Santos, Susana Angelica Zevallos Lescano, Daniel Maurício Dos Santos, Érico da Silva Tiago, Gabriela Rodrigues E Fonseca, Manoel Carlos Sampaio de Almeida Ribeiro, Pedro Paulo Chieffi
No abstract text is available yet for this article.
September 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29160359/gastrointestinal-parasites-in-feral-cats-and-rodents-from-the-fernando-de-noronha-archipelago-brazil
#20
Victor Fernando Santana Lima, Rafael Antonio Nascimento Ramos, Raphael Lepold, João Carlos Gomes Borges, Carlos Diógenes Ferreira, Laura Rinaldi, Giuseppe Cringoli, Leucio Câmara Alves
Gastrointestinal parasites are important pathogens affecting animals, some of them are of medical and veterinary concern. Although the dynamic of parasitic infections is a complex phenomenon that has been studied under experimental conditions, it shows several gaps in knowledge, especially in insular regions where a confined population of animals and parasites co-exists. In this study was assessed the parasitism by endoparasite gastrointestinal in feral cats (n = 37) and rodents (n = 30) from the Fernando de Noronha Archipelago; in addition, the risk of human infection and ecological implications of these findings were discussed...
November 9, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
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