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https://www.readbyqxmd.com/read/28807291/toxocara-canis-analysis-of-the-kinetics-of-antigen-release-and-antibody-production-in-an-in-vivo-model-for-the-detection-of-past-or-present-infection
#1
Aarón Rodríguez-Caballero, Mario Noé Martínez-Gordillo, Silvia Caballero-Salazar, Yadira Rufino-González, Martha Ponce-Macotela
Worldwide, Toxocara canis is an important zoonotic nematode of public health concern. This soil-transmitted helminth causes visceral larva and ocular larva migrans in paratenic hosts. The detection of T. canis larva migrans is complicated because current immunological tests detect only IgG antibodies, which can cross-react with antigens from other parasites and cannot distinguish between the past and present infection. Analysis of antigen release and antibody production could help improve the detection of larva migrans...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28754237/treatment-of-larva-migrans-syndrome-with-long-term-administration-of-albendazole
#2
Amy Hombu, Ayako Yoshida, Taisei Kikuchi, Eiji Nagayasu, Mika Kuroki, Haruhiko Maruyama
BACKGROUND: Larva migrans syndrome is a food-borne parasitic disease in humans, caused by accidental ingestion of eggs or larvae of ascarid nematodes, namely, Toxocara canis, Toxocara cati, or Ascaris suum, the roundworms commonly found in the intestines of dogs, cats and pigs respectively. When a patient is diagnosed as having larva migrans syndrome, oral-administration of albendazole is recommended, however, the regimen remains controversial worldwide. In Japan, the duration of albendazole administration is longer than those of European and North American countries...
July 14, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28727752/atypical-presentation-of-hepatic-visceral-larva-migrans-mimicking-cancer-and-associated-with-adamts13-deficiency-mediated-thrombotic-microangiopathy-a-first-report-from-reunion-island
#3
Simon Bonnefond, Aurélie Foucher, Patricia Zunic, Gautier Hoarau, Jean-François Magnaval
No abstract text is available yet for this article.
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28722600/ocular-gnathostomiasis-update-of-earlier-survey
#4
Yukifumi Nawa, Masahide Yoshikawa, Kittisak Sawanyawisuth, Verajit Chotmongkol, Sandra Fernández Figueiras, Maria Benavides, Sylvia Paz Diaz Camacho
Ocular gnathostomiasis is rather a rare food-borne zoonosis caused by infection with the larvae of several species of genus Gnathostoma and is a representative ocular larva migrans syndrome. In our previous literature survey, we found 73 cases of ocular gnathostomiasis reported up to and including 2009, though additional sporadic cases have been reported in Asia and the Americas since that report. Here, we review 10 additional cases reported since 2010, and also update current findings regarding epidemiological and clinical features in affected patients...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28678896/gastrointestinal-parasites-in-stray-and-shelter-cats-in-the-municipality-of-rio-de-janeiro-brazil
#5
Pâmela Figueiredo Pereira, Alynne da Silva Barbosa, Ana Paula Pereira de Moura, Marcelo Leitão Vasconcellos, Claudia Maria Antunes Uchôa, Otílio Machado Pereira Bastos, Maria Regina Reis Amendoeira
The increasingly urban nature of the population has led many people to choose independent pets, such as cats. This situation has also made it possible for these animals to be abandoned, thus increasing the numbers of cats on the streets and in shelters. These animals can act as a source of infection for other hosts. Between 2014 and 2015, the frequency of gastrointestinal parasites in captive and stray cats in the municipality of Rio de Janeiro was analyzed. Ninety-one fecal samples were collected from captive cats and 172 from stray cats...
June 29, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28626635/eosinophilic-meningoencephalitis-associated-with-rat-lungworm-angiostrongylus-cantonensis-migration-in-two-nine-banded-armadillos-dasypus-novemcinctus-and-an-opossum-didelphis-virginiana-in-the-southeastern-united-states
#6
Martha F Dalton, Heather Fenton, Christopher A Cleveland, Elizabeth J Elsmo, Michael J Yabsley
Angiostrongylus cantonensis, the rat lungworm, was the cause of neural larval migrans in two nine-banded armadillos (Dasypus novemcinctus) and one Virginia opossum (Didelphis virginiana) from the southeastern United States. Histologic findings in all three cases included eosinophilic meningoencephalitis with variable numbers of nematode larvae in the meninges or the neuroparenchyma. In two of the three cases, nematodes were extracted from brain tissue via a "squash prep" method. Identification of the nematodes was confirmed by amplification and sequence analysis of the partial cytochrome c oxidase subunit I gene from all three cases...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28624508/epidemiological-profile-of-cutaneous-larva-migrans-in-travelers-returning-to-france-between-2003-and-2015
#7
Doudou Sow, Ferelaha Soro, Emilie Javelle, Fabrice Simon, Philippe Parola, Philippe Gautret
BACKGROUND: Cutaneous larva migrans (CLM) is caused by the penetration and migration of canine or feline hookworm larvae into the skin, and frequently affects travelers from high-income countries returning from tropical and sub-tropical areas. Unfortunately, this pathology is neglected due to poor understanding among both physicians and travelers. This study describes the profile of cases reported in Marseille, France. PATIENTS AND METHODS: A retrospective study was performed in two specialized hospitals between 2003 and 2015...
June 15, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28591555/seroepidemiological-study-and-associated-risk-factors-of-toxocara-canis-infection-among-preschool-children-in-osun-state-nigeria
#8
Oluyomi A Sowemimo, Yueh-Lun Lee, Samuel O Asaolu, Ting-Wu Chuang, Olaoluwa P Akinwale, Bolaji O Badejoko, Vincent P Gyang, Timothy Nwafor, Emmanuel Henry, Chia-Kwung Fan
Human toxocariasis is caused by the nematode, Toxocara canis and it is a poorly understood phenomenon in Nigeria. Seroepidemiological studies have not been previously carried out among the preschool aged children in Nigeria. A cross-sectional study was conducted in pre-school children in four communities from Osun State, Nigeria between January and July 2016. A total of 308 children Aged 9 months and 5 years were studied comprising 53.2% (164/308) male and 46.8% (144/308) female. Blood samples were collected and screened for the presence of anti-Toxocara IgG antibodies by Western blot analysis based on the excretory-secretory antigens of larva T...
June 4, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28529879/beyond-the-raccoon-roundworm-the-natural-history-of-non-raccoon-baylisascaris-species-in-the-new-world
#9
REVIEW
Sarah G H Sapp, Pooja Gupta, Melissa K Martin, Maureen H Murray, Kevin D Niedringhaus, Madeleine A Pfaff, Michael J Yabsley
A total of 10 species of Baylisascaris, a genus of ascaridoid nematodes, occur worldwide and 6 of them occur in the New World. Most of the Baylisascaris species have a similar life cycle with carnivorous mammals or marsupials serving as definitive hosts and a smaller prey host serving as paratenic (or intermediate) hosts. However, one species in rodents is unique in that it only has one host. Considerable research has been conducted on B. procyonis, the raccoon roundworm, as it is a well-known cause of severe to fatal neurologic disease in humans and many wildlife species...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28508758/cutaneous-larva-migrans-a-case-in-bordeaux-france-and-a-systematic-review-of-locally-acquired-cases-in-europe
#10
Romain Blaizot, Anne Goiset, Eric Caumes, Frederic Gabriel, Brigitte Milpied
No abstract text is available yet for this article.
May 16, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28438141/prevalence-of-toxocara-antibodies-among-patients-clinically-suspected-to-have-ocular-toxocariasis-a-retrospective-descriptive-study-in-sri-lanka
#11
Devika Iddawela, Kiruthiha Ehambaram, Pemindra Bandara
BACKGROUND: Human toxocariasis, caused by Toxocara canis, T. cati, and T. vitulorum of dogs, cats and ruminants respectively, is recognized as an important zoonotic infection worldwide. The typical clinical syndromes of toxocariasis in humans are ocular larva migrans (OLM) and visceral larva migrans (VLM). The most commonly affected sites of OLM are the peripheral retina and/or vitreous humor. In Sri Lanka, there is a dearth of information on prevalence of ocular infection in our population...
April 24, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28432859/the-impact-of-global-climate-change-on-the-spread-of-parasitic-nematodes
#12
Anna Okulewicz
Climate changes may influence the frequency, intensity and geographical distribution of parasites, directly affecting their dispersive stages in the environment (eggs, larvae) and, indirectly, the larvae living mainly in invertebrate intermediate hosts. In biologically diverse nematodes climate warming contributes to the increase in the range of distribution, colonization of new hosts and modification of their development cycles. This is particularly acute in the Arctic and pertains, for instance, to nematodes Ostertagia gruehneri and Setaria tundra parasitizing reindeer Rangifer tarandus and Umingmakstrongylus pallikuukensis in musk oxen (Ovibos moschatus)...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28426425/the-role-of-domestic-dogs-in-the-transmission-of-zoonotic-helminthes-in-a-rural-area-of-mekong-river-basin
#13
Marcello Otake Sato, Megumi Sato, Tippayarat Yoonuan, Tiengkham Pongvongsa, Surapol Sanguankiat, Sengchanh Kounnavong, Wanna Maipanich, Yuichi Chigusa, Kazuhiko Moji, Jitra Waikagul
Dogs have been bred since ancient times for companionship, hunting, protection, shepherding and other human activities. Some canine helminth parasites can cause significant clinical diseases in humans as Opisthorchis viverrini causing cholangiocarcinoma in Southeast Asian Countries. In this study, socio-cultural questionnaire, canine parasitological analysis, necropsy, parasite molecular confirmation and dog roaming data were evaluated in Savannakhet, Lao-PDR, a typical Mekong Basin area. Dog owners comprised 48...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28409581/therapy-of-cutaneous-larva-migrans-in-pregnancy
#14
Stefano Veraldi, Betsabet A Parducci, Paolo Pontini
No abstract text is available yet for this article.
June 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28363038/baylisascaris-procyonis-larva-migrans-in-two-captive-north-american-beavers-castor-canadensis
#15
Isabelle Desprez, Michael J Yabsley, Susan B Fogelson, Jill A Hicks, Renee Barber, Izidora Sladakovic, Scott A Secrest, Stephen J Divers, Jörg Mayer
Baylisascaris procyonis larva migrans was diagnosed in two North American beavers ( Castor canadensis ) belonging to a zoological park in Clarke County, Georgia. Both beavers presented with neurological signs. One beaver died naturally and despite attempted treatment, the other beaver was euthanatized because of severe clinical signs and poor prognosis. Histologic evaluation of the beavers revealed evidence of parasitic migration characterized by several lesions, including eosinophilic granulomas in various organs, as well as necrotizing eosinophilic and lymphoplasmacytic to granulomatous polioencephalitis, leukoencephalitis and cervical leukomyelitis...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28338526/cutaneous-larva-migrans-associated-with-l%C3%A3-ffler-s-syndrome-in-a-6-year-old-boy
#16
Shan Wang, Wei Xu, Lin-Feng Li
Cutaneous larva migrans is a frequent dermatologic problem among travelers in tropical areas, but its association with Löffler's syndrome is an extremely rare condition, particularly in children. Here, we describe a 6-year-old boy presenting cutaneous larva migrans associated with Löffler's syndrome.
September 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28316412/larval-infestation-in-a-common-pariah-kite-milvus-migrans-boddaert
#17
Shuvra Kanti Sinha, Arup Kumar Sinha, Pradip De, Somnath Bhakat
This paper describes a case of larval infestation in a common Pariah Kite Milvus migrans (Boddaert). Examination on the larvae revealed that the larvae were of the family Sarcophagidae (Diptera).
March 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28283015/-cutaneous-larva-migrans-in-turkey-an-imported-case-report
#18
Meliha Çağla Sönmezer, Şebnem Erdinç, Necla Tülek, Cahit Babür, Ayşe Büyükdemirci, Tuba İlgar, Günay Ertem
Cutaneous larva migrans (CLM) is a parasitic infection most commonly found in tropical and subtropical areas. However, with the ease and increase of foreign travel to many countries around the world, the infection is not limited to these areas. CLM is an erythematous, serpiginous infection with skin eruption caused by percutaneous penetration of the larvae to the skin. In this report, a case diagnosed as imported CLM after an Amazon trip and treated with albendazole was presented. A 36 year-old male patient admitted to infectious diseases clinic with intense itching, erythematous, raised, streaklike serpiginious eruptionand some redness at bilateral foot especially at the right foot for about one week...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28164001/abdominal-mass-secondary-to-human-toxocariasis
#19
Javad Ghoroobi, Leily Mohajerzadeh, Maliheh Khoddami, Alireza Mirshemirani, Naser Sadeghian, Alireza Mahdavi, Sayeh Hatefi
Toxocariasis is an extensive helminthic infection that leads to visceral larva migrans in humans. A 2.5-year-old girl referred for abdominal mass. She had history of pharyngitis for two weeks. There were no other symptoms. Abdominal examination revealed an irregular solid mass in right lower quadrant (RLQ). Abdominal ultrasonography revealed an echohetrogenic large mass in RLQ, liver, and retroperitoneal area. Abdominal CT scan showed a huge mass. At laparotomy a large retroperitoneal mass that involved right liver lobe, bladder, ileocecal valve, small and large intestines was found...
January 2017: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/28095660/draft-genome-of-toxocara-canis-a-pathogen-responsible-for-visceral-larva-migrans
#20
Jinhwa Kong, Jungim Won, Jeehee Yoon, UnJoo Lee, Jong-Il Kim, Sun Huh
This study aimed at constructing a draft genome of the adult female worm Toxocara canis using next-generation sequencing (NGS) and de novo assembly, as well as to find new genes after annotation using functional genomics tools. Using an NGS machine, we produced DNA read data of T. canis. The de novo assembly of the read data was performed using SOAPdenovo. RNA read data were assembled using Trinity. Structural annotation, homology search, functional annotation, classification of protein domains, and KEGG pathway analysis were carried out...
December 2016: Korean Journal of Parasitology
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