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https://www.readbyqxmd.com/read/29221930/in-vitro-effect-of-chrysosporium-indicum-and-chrysosporium-keratinophylum-on-toxocara-canis-eggs
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/29155829/environmental-and-socio-demographic-individual-family-and-neighborhood-factors-associated-with-children-intestinal-parasitoses-at-iguaz%C3%A3%C2%BA-in-the-subtropical-northern-border-of-argentina
#8
Maria Romina Rivero, Carlos De Angelo, Pablo Nuñez, Martín Salas, Carlos E Motta, Alicia Chiaretta, Oscar D Salomón, Song Liang
BACKGROUND: Intestinal parasitoses are a major concern for public health, especially in children from middle and low-income populations of tropical and subtropical areas. We examined the presence and co-infection of parasites in humans as well as parasitic environmental contamination in Puerto Iguazú, Argentina. We explored the environmental and socio-demographic characteristics of the persistence of parasites in children and their environment. METHODOLOGY/PRINCIPAL FINDINGS: This cross-section survey was conducted among children population comprised into the area of the public health care centers of Iguazú during June 2013 to May 2016...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29150700/prevalence-of-intestinal-parasites-in-companion-dogs-with-diarrhea-in-beijing-china-and-genetic-characteristics-of-giardia-and-cryptosporidium-species
#9
Zhongjia Yu, Yang Ruan, Mengjie Zhou, Siyuan Chen, Yinxin Zhang, Liya Wang, Guan Zhu, Yonglan Yu
Companion animals including dogs are one of the important components in One Health. Parasites may cause not only diseases in pet animals but also many zoonotic diseases infecting humans. In this study, we performed a survey of intestinal parasites in fecal specimens (n = 485) collected from outpatient pet dogs with diarrhea in Beijing, China, for the entire year of 2015 by microscopic examination (all parasites) and SSU rRNA-based nested PCR detection (Giardia and Cryptosporidium). We observed a total of 124 (25...
November 18, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29143662/heat-treatment-and-false-positive-heartworm-antigen-testing-in-ex-vivo-parasites-and-dogs-naturally-infected-by-dirofilaria-repens-and-angiostrongylus-vasorum
#10
Luigi Venco, Simone Manzocchi, Marco Genchi, Laura H Kramer
BACKGROUND: Heartworm antigen testing is considered sensitive and specific. Currently available tests are reported as detecting a glycoprotein found predominantly in the reproductive tract of the female worm and can reach specificity close to 100%. Main concerns regard sensitivity in the case of light infections, the presence of immature females or cases of all-male infections. Research and development have been aimed at increasing sensitivity. Recently, heat treatment of serum prior to antigen testing has been shown to result in an increase in positive antigen test results, presumably due to disruption of natural antigen-antibody complexes...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29141740/a-lateral-flow-rapid-test-for-human-toxocariasis-developed-using-three-toxocara-canis-recombinant-antigens
#11
Muhammad Hafiznur Yunus, Siti Naqiuyah Tan Farrizam, Izzati Zahidah Abdul Karim, Rahmah Noordin
Laboratory diagnosis of toxocariasis is still a challenge especially in developing endemic countries with polyparasitism. In this study, three Toxocara canis recombinant antigens, rTES-26, rTES-30, and rTES-120, were expressed and used to prepare lateral flow immunoglobulin G4 (IgG4) dipsticks. The concordance of the results of the rapid test (comprising three dipsticks) with a commercial IgG-enzyme-linked immunosorbent assay (ELISA) (Cypress Diagnostics, Belgium) was compared against the concordance of two other commercial IgG-ELISA kits (Bordier, Switzerland and NovaTec, Germany) with the Cypress kit...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29118011/comparative-genome-analysis-of-programmed-dna-elimination-in-nematodes
#12
Jianbin Wang, Shenghan Gao, Yulia Mostovoy, Yuanyuan Kang, Maxim Zagoskin, Yongqiao Sun, Bing Zhang, Laura K White, Alice Easton, Thomas B Nutman, Pui-Yan Kwok, Songnian Hu, Martin K Nielsen, Richard E Davis
Programmed DNA elimination is a developmentally regulated process leading to the reproducible loss of specific genomic sequences. DNA elimination occurs in unicellular ciliates and a variety of metazoans, including invertebrates and vertebrates. In metazoa, DNA elimination typically occurs in somatic cells during early development, leaving the germline genome intact. Reference genomes for metazoa that undergo DNA elimination are not available. Here, we generated germline and somatic reference genome sequences of the DNA eliminating pig parasitic nematode Ascaris suum and the horse parasite Parascaris univalens...
November 8, 2017: Genome Research
https://www.readbyqxmd.com/read/29117468/zoonotic-helminth-exposure-and-risk-of-allergic-diseases-a-study-of-two-generations-in-norway
#13
Nils Oskar Jõgi, Cecilie Svanes, Silver Peeter Siiak, Erin Logan, John W Holloway, Jannicke Igland, Ane Johannessen, Michael Levin, Francisco Gomez Real, Vivi Schlunssen, William G C Horsnell, Randi J Bertelsen
BACKGROUND: Animal and human studies indicate that definitive host helminth infections may confer protection from allergies. However, zoonotic helminths, such as Toxocara species (spp.), have been associated with increased allergies. OBJECTIVE: We describe the prevalence of Toxocara spp. and Ascaris spp. seropositivity, and associations with allergic diseases and sensitisation, in two generations in Bergen, Norway. METHODS: Serum levels of total IgG4, anti-Toxocara spp...
November 8, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29114136/efficacy-of-zingiber-officinale-ethanol-extract-on-the-viability-embryogenesis-and-infectivity-of-toxocara-canis-eggs
#14
Nagwa Mostafa El-Sayed
This study evaluated the effect of Zingiber officinale (Z. officinale) ethanol extract on the viability, embryogenesis and infectivity Toxocara canis (T. canis) eggs. It was carried out both in vitro and in vivo. In the in vitro experiment, unembryonated T. canis eggs were incubated with 25, 50 and 100 mg/mL Z. officinale extract at 25 °C for 6, 12, and 24 h to assess the effect of Z. officinale on their viability and for two weeks to assess the effect of Z. officinale on their embryogenesis. In vivo experiment was performed to assess the effect of Z...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114134/epidemiological-investigation-of-gastrointestinal-parasites-in-dog-populations-in-basra-province-southern-iraq
#15
Khawla B N Al-Jassim, Yasser S Mahmmod, Zainab M Salem, Azmi Al-Jubury
The understanding of the epidemiology of canine parasitic infections is necessary for an efficient control program to minimize the risk of zoonotic transmission. The objectives of this study were (1) to determine the prevalence of canine gastrointestinal helminths and protozoa in Basra province, Southern Iraq, and (2) to identify the association of epidemiological characteristics (age, breed, gender, and feed type) of dogs with the parasitic infections. A total of 93 fecal samples, collected in the period from December 2014 to June 2015, were examined macroscopically and microscopically for the presence of worm eggs and protozoal oocysts, using centrifugal flotation method...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114122/dot-enzyme-linked-immunosorbent-assay-elisa-for-the-detection-of-toxocara-infection-using-a-rat-model
#16
Vachel Gay V Paller, Cyrelle M Besana, Isabel Kristine M Valdez
Toxocariasis is a zoonotic disease usually caused by dog and cat roundworms, Toxocara canis and T. cati. Detection and diagnosis is difficult in paratenic and accidental hosts, including humans, as they cannot be detected through conventional methods such as fecal examination. Diagnosis therefore relies on immunological methods and molecular methods such as enzyme-linked immunosorbent assay (ELISA) and Western Blot, which are both time-consuming and requires sophisticated equipment. In the Philippines, only a few studies are available on Toxocara seroprevalence...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114121/pathological-studies-on-helminth-parasitic-infection-in-mithun-bos-frontalis
#17
J K Chamuah, B Dutta, D Borkotoky
A pathological study was carried out in different helminth parasite infection organs in 110 animals during the period from 2010 to 2016. Histopathological examination of hydatid cysts in the liver, showed extensive fibrous connective tissue proliferation with eosinophilic and lymphocytic infiltration, in lung, parenchyma showed severe emphysema with infiltration of alveolar macrophages and lymphocytes infiltration. In Toxocara infection, polymorphonuclear infiltration in the sub-mucosa with hyper activity of goblet cells leading to occlusion of the gland was noted in the tissue sections...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29080769/efficacy-of-two-anthelmintic-treatments-spinosad-milbemycin-oxime-and-ivermectin-praziquantel-in-dogs-with-natural-toxocara-spp-infection
#18
Rafael Heredia Cardenas, Camilo Romero Núñez, Laura Miranda Contreras
Toxocara canis is one of the most important zoonotic parasites of dogs. The aim of the present study was to compare the efficacy of spinosad/milbemycin oxime and ivermectin/praziquantel in dogs naturally infected with Toxocara spp. We studied 200 dogs with a positive diagnosis of Toxocara spp. Through coproparasitoscopic analysis, two study groups of 100 dogs each were assigned: spinosad/milbemycin oxime at a dose of 30-60mg/kg and 0.75-1.0mg/kg, respectively, or ivermectin/praziquantel administered at a dose of 0...
November 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29080756/diagnostic-strategies-to-reveal-covert-infections-with-intestinal-helminths-in-dogs
#19
Chris Adolph, Sharon Barnett, Melissa Beall, Jason Drake, David Elsemore, Jennifer Thomas, Susan Little
Intestinal helminths are common in dogs in the United States, particularly non-treated dogs in animal shelters, but surveys by fecal flotation may underestimate their prevalence. To determine the prevalence of intestinal helminths and evaluate the ability of fecal flotation and detection of nematode antigen to identify those infections, contents of the entire gastrointestinal tract of 97 adult (>1year) dogs previously identified for humane euthanasia at two animal control shelters in northeastern Oklahoma, USA, were screened...
November 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29071468/toxocariasis-critical-analysis-of-serology-in-patients-attending-a-public-referral-center-for-ophthalmology-in-brazil
#20
Guita Rubinsky-Elefant, Joyce H Yamamoto, Carlos E Hirata, Luiz E Prestes-Carneiro
PURPOSE: To analyze the contribution of IgG anti-Toxocara antibodies in the diagnosis of ocular toxocariasis (OT) in serum samples of patients attending a public referral center for ophthalmology in Brazil and to determine the most frequent ocular signs and symptoms. STUDY DESIGN: This was a retrospective descriptive study of a cohort of outpatients followed from December 1989 to May 2006. METHODS: IgG anti-Toxocara antibody titers were determined by enzyme-linked immunosorbent assay...
October 25, 2017: Japanese Journal of Ophthalmology
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