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https://www.readbyqxmd.com/read/29905163/encephalitozoon-cuniculi-infection-in-barbary-striped-grass-mice-lemniscomys-barbarus
#1
S Kitz, F Grimm, S Wenger, J Hatt, A Kipar, U Hetzel
Encephalitozoon cuniculi is an obligate intracellular microsporidian parasite that commonly induces subclinical infections in rabbits, but occurs also in a range of other species, including various rodents, carnivores, humans and birds. The present report describes encephalitozoonosis in a group of captive Barbary striped grass mice (Lemniscomys barbarus) in a zoo collection. The aetiology was confirmed by immunohistochemistry and PCR with subsequent sequencing. The source of infection is not known.
June 2018: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/29900789/systemic-encephalitozoonosis-due-to-encephalitozoon-cuniculi-strain-iv-in-a-vancouver-island-marmot-marmota-vancouverensis
#2
Ellie Milnes, Pauline Delnatte, Hugh Y Cai, Nicole Nemeth
  A 2-mo-old Vancouver Island marmot ( Marmota vancouverensis), housed at a quarantined breeding facility, presented for acute obtundation and vestibular ataxia. Physical examination revealed poor growth compared with littermates, poor nutritional condition, and mild dehydration. The animal's condition deteriorated over 24 hr, and it was euthanized following the development of generalized seizures. No gross abnormalities were observed upon postmortem evaluation. Histologic evaluation revealed severe, multifocal, granulomatous and lymphoplasmacytic meningoencephalomyelitis and interstitial nephritis, with intralesional, intracytoplasmic spore-filled, parasitophorous vacuoles and segmental, multi-organ, fibrinoid vasculitis (disseminated encephalitozoonosis)...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29872223/first-characterization-of-a-microsporidial-triosephosphate-isomerase-and-the-biochemical-mechanisms-of-its-inactivation-to-propose-a-new-druggable-target
#3
Itzhel García-Torres, Ignacio De la Mora-De la Mora, Gloria Hernández-Alcántara, Dora Molina-Ortiz, Silvia Caballero-Salazar, Alfonso Olivos-García, Gabriela Nava, Gabriel López-Velázquez, Sergio Enríquez-Flores
The microsporidia are a large group of intracellular parasites with a broad range of hosts, including humans. Encephalitozoon intestinalis is the second microsporidia species most frequently associated with gastrointestinal disease in humans, especially immunocompromised or immunosuppressed individuals, including children and the elderly. The prevalence reported worldwide in these groups ranges from 0 to 60%. Currently, albendazole is most commonly used to treat microsporidiosis caused by Encephalitozoon species...
June 5, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29762365/multiplex-real-time-pcr-detection-of-intestinal-protozoa-in-hiv-infected-children-in-malawi-enterocytozoon-bieneusi-is-common-and-associated-with-gastrointestinal-complaints-and-may-delay-bmi-nutritional-status-recovery
#4
Minke H W Huibers, Peter Moons, Nelson Maseko, Monfort B Gushu, Oluwadamilola H Iwajomo, Robert S Heyderman, Michael Boele van Hensbroek, Eric A Brienen, Lisette van Lieshout, Job C J Calis
BACKGROUND: Intestinal protozoa are common opportunistic infections in HIV patients. Longitudinal studies on either the clinical relevance, or the effect of immune reconstitution by anti-retroviral therapy on intestinal protozoan infections are children is lacking however. This study investigates prevalence and clinical relevance of intestinal protozoa in HIV-infected Malawian children prior to and during their first year of ART. METHODS: Stool samples collected at enrolment and during follow-up were tested for non-opportunistic (Giardia lamblia, Dientamoeba fragilis, Entamoeba histolytica) and opportunistic protozoa (Entroctytoon bieneusi, Encephalitozoon spp...
May 14, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29733765/molecular-evidence-of-toxoplasma-gondii-neospora-caninum-and-encephalitozoon-cuniculi-in-red-foxes-vulpes-vulpes
#5
Radka Lukášová, Jiřina Marková, Eva Bártová, Jean-Benjamin Murat, Kamil Sedlák
Toxoplasma gondii, Neospora caninum, and Encephalitozoon cuniculi are important infectious agents, with T. gondii and E. cuniculi having zoonotic potential. There are two main clonal lineages (types I and II) of T. gondii in Europe, but little is known about genotypes of T. gondii in wild animals. The aim of our study was molecular detection of these three pathogens in tissues of wild red foxes ( Vulpes vulpes) from the Czech Republic. Using PCR (B1 gene), we detected T. gondii in 10% of the animals that we tested ( n=100); N...
May 7, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29659776/disseminated-infection-of-encephalitozoon-cuniculi-associated-with-osteolysis-of-hip-periprosthetic-tissue-association-versus-causation
#6
Trisha Peel
No abstract text is available yet for this article.
April 5, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29659738/disseminated-infection-of-encephalitozoon-cuniculi-associated-with-osteolysis-of-hip-periprosthetic-tissue
#7
Marta Kicia, Maria Wesolowska, Zaneta Kopacz, Martin Kvác, Bohumil Sak, Magdalena Sokulska, Kamil Cebulski, Andrzej B Hendrich, Andrzej Pozowski
Background: Among patients with hip joint endoprosthesis, periprosthetic osteolysis is the most common complication following primary arthroplasty, and subsequent implant loosening is the leading cause of arthroplasty revision. Causes of stability loss, though not always evident, can be mechanical, allergic, or infectious (bacterial and fungal agents) in nature. Microsporidia, widespread opportunistic fungal pathogens that infect most human tissues, are a potential infectious cause of stability loss...
April 5, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29627259/molecular-and-phylogenetic-evidences-of-dispersion-of-human-infecting-microsporidia-to-vegetable-farms-via-irrigation-with-treated-wastewater-one-year-follow-up
#8
Ehsan Javanmard, Hamed Mirjalali, Maryam Niyyati, Esfandiar Jalilzadeh, Seyed Javad Seyed Tabaei, Hamid Asadzadeh Aghdaei, Ehsan Nazemalhosseini-Mojarad, Mohammad Reza Zali
BACKGROUND: Human-infecting microsporidia are a group of spore-forming eukaryotic microorganisms that can infect both animals and humans. Recent evidences indicate waterborne transmission of microsporidia spores to human via either drinking water or irrigation of vegetable farms with contaminated water resources. The current study aimed to evaluate the presence of human-infecting microsporidia in treated wastewater (TW) and vegetable farms irrigated with treated wastewater during a year...
May 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29529254/a-new-scope-for-orlistat-effect-of-approved-anti-obesity-drug-against-experimental-microsporidiosis
#9
I F Abou-El-Naga, D E Said, M R Gaafar, S M Ahmed, S A El-Deeb
As the current therapies for intestinal microsporidiosis are either inconsistent in their efficacies or hampered by several adverse effects, alternative antimicrosporidial agents are being sought. The present study is the first that was designed to evaluate the potency of orlistat, an approved anti-obesity drug, against intestinal microsporidiosis caused by both Enterocytozoon bieneusi and Encephalitozoon intestinalis. Results were assessed through studying fecal and intestinal spore load, intestinal histopathological changes, viability, and infectivity of spores from treated animals...
February 24, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29521259/seroprevalence-of-toxoplasma-gondii-and-encephalitozoon-cuniculi-among-domestic-rabbits-in-central-china
#10
Shuai Wang, Zhijun Yao, Lingjuan Li, Yaoqian Pan, Pengju Li, Xiaoxu Nan, Qing Xie, Zhenchao Zhang
Rabbits (Oryctolagus cuniculus) are frequently reared for meat production in China. The aim of this study was to assess the seroprevalence of Toxoplasma gondii and Encephalitozoon cuniculi, and risk factors of infection in domestic rabbits raised in Henan province, central China. 1,213 serum samples of domestic rabbits were collected and tested for anti-T. gondii and anti-E. cuniculi antibodies using a modified agglutination test (MAT) and an enzyme-linked immunosorbent assay (ELISA), respectively. The serum positive rates of T...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29491564/molecular-diagnosis-of-microsporidia-strains-in-slaughtered-cows-of-southwest-of-iran
#11
Elham Kord-Sarkachi, Mehdi Tavalla, Moluok Beiromvand
Microsporidia is often considered as an opportunistic infection in patients with impaired immune systems such as patients with acquired immune deficiency syndrome, transplant recipients, children and old people. Due to the ability of the parasite to transmit from animals to human as well as the increasing prevalence of parasitic infections and immune deficiency diseases; therefore, the aim of this study was to evaluate molecular diagnosis of microsporidia strains in slaughtered cows of southwest of Iran. Initially, 256 stool samples of cows were collected from 5 regions of Khuzestan province, southwest of Iran and stained by modified trichrome (weber)...
March 2018: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29244189/molecular-diagnosis-of-human-microsporidian-infections
#12
Martin F Heyworth
With the transformation of HIV infection from an acutely life-threatening disease into a chronic condition (as a consequence of the development of effective antiretroviral medication), the perceived clinical importance of diagnosing and treating microsporidian infections diminished, at least in industrialized countries. In locales where effective antiretroviral therapy is not available, as well as in patients with immunodeficiency for reasons other than HIV infection (e.g., following organ transplantation), and in individuals with suspected ocular microsporidiosis, diagnosing microsporidian infections remains a clinical priority...
September 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29229442/quantitative-analysis-of-tnf-%C3%AE-il-4-and-il-10-expression-nitric-oxide-response-and-apoptosis-in-encephalitozoon-cuniculi-infected-rabbits
#13
Alicia M Nevárez-Garza, Uziel Castillo-Velázquez, Adolfo Soto-Domínguez, R Montes-de-Oca-Luna, Diana E Zamora-Ávila, Alfredo Wong-González, Luis E Rodríguez-Tovar
The expression of tumor necrosis factor (TNF) -α, interleukin (IL) -4 and IL-10, as well as apoptosis and nitric oxide (NO) levels were measured in the brain and kidneys of immunocompetent and immunosuppressed New Zealand White rabbits infected with Encephalitozoon cuniculi. All of the animals had clinical signs histopathological lesions compatible with encephalitozoonosis and were E. cuniculi-positive by using a carbon immunoassay test. Encephalitozoon cuniculi infection promoted the expression of TNF-α and NO production in the kidneys of infected rabbits, and a synergic effect was observed in animal treated with dexamethasone...
April 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29214976/stray-cats-are-more-frequently-infected-with-zoonotic-protists-than-pet-cats
#14
Martin Kvac, Lada Hofmannova, Ynes Ortega, Nikola Holubova, Michaela Horcickova, Marta Kicia, Lenka Hlaskova, Dana Kvetonova, Bohumil Sak, John McEvoy
Faecal samples were collected from cats kept as pets (n = 120) and stray cats (n = 135) in Central Europe (Czech Republic, Poland and Slovakia) and screened for the presence of Cryptosporidium spp., Giardia intestinalis (Kunstler, 1882), Encephalitozoon spp. and Enterocytozoon bieneusi Desportes, Le Charpentier, Galian, Bernard, Cochand-Priollet, Lavergne, Ravisse et Modigliani, 1985 by PCR analysis of the small-subunit of rRNA (Cryptosporidium spp. and G. intestinalis) and ITS (microsporidia) genes. Sequence analysis of targeted genes revealed the presence of C...
December 6, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/29205744/rabbits-with-naturally-occurring-cataracts-referred-for-phacoemulsification-and-intraocular-lens-implantation-a-preliminary-study-of-12-cases
#15
Rick F Sanchez, Richard Everson, Joanna Hedley, Charlotte Dawson, Richard Lam, Simon L Priestnall, Alejandra Garcia de Carellan, Cristina de Miguel, Christopher Seymour
OBJECTIVE: To describe the presentation of 15 rabbits with naturally occurring cataracts referred for phacoemulsification surgery, the procedure in 13 cases and the follow-up in 12. ANIMALS INCLUDED: Fifteen rabbits (30 eyes), nine of which stopped following visual cues in association with cataract progression. MATERIALS AND METHODS: Rabbits underwent preoperative ophthalmic and ocular ultrasound examination. RESULTS: Thirteen rabbits (22 eyes) had mature cataracts...
December 4, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29203270/b-1-cells-upregulate-cd8-t-lymphocytes-and-increase-proinflammatory-cytokines-serum-levels-in-oral-encephalitozoonosis
#16
Denise Langanke Dos Santos, Anuska Marcelino Alvares-Saraiva, José Guilherme Xavier, Diva Denelle Spadacci-Morena, Giovani Bravin Peres, Paulo Ricardo Dell'Armelina Rocha, Elizabeth Cristina Perez, Maria Anete Lallo
Microsporidia are intracellular pathogens that cause severe disease in immunocompromised humans and animals. We recently demonstrated that XID mice are more susceptible to Encephalitozoon cuniculi infection by intraperitoneal route, evidencing the role of B-1 cells in resistance against infection. The present study investigated the resistance and susceptibility against E. cuniculi oral infection, including the role of B-1 cells. BALB/c and BALB/c XID (B-1 cells deficient) mice were orally infected with E...
March 2018: Microbes and Infection
https://www.readbyqxmd.com/read/29146032/clinical-signs-diagnosis-and-treatment-of-encephalitozoon-cuniculi-infection-in-rabbits
#17
REVIEW
Frank Künzel, Peter G Fisher
Central vestibular dysfunction caused by Encephalitozoon cuniculi frequently mimics the condition of a peripheral disorder. A negative antibody titer rules out E cuniculi as the cause of present clinical signs. Cerebrospinal fluid analysis including polymerase chain reaction is considered an inappropriate diagnostic method for in vivo diagnosis of encephalitozoonosis. The usefulness of glucocorticoid anti-inflammatories in the treatment of encephalitozoonosis is called into question. Encouraging activity early in the course of disease and adding in therapeutic exercise may represent the most important part of therapy in rabbits with vestibular dysfunction associated with encephalitozoonosis...
January 2018: Veterinary Clinics of North America. Exotic Animal Practice
https://www.readbyqxmd.com/read/29121996/production-and-characterization-of-monoclonal-antibodies-against-encephalitozoon-intestinalis-and-encephalitozoon-sp-spores-and-their-developmental-stages
#18
Fernando Izquierdo, Hercules Moura, Fernando Jorge Bornay-Llinares, Rama Sriram, Carolina Hurtado, Ángela Magnet, Soledad Fenoy, Govinda Visvesvara, Carmen Del Aguila
BACKGROUND: Microsporidia are intracellular obligate parasites traditionally associated with immunosuppressed patients; their detection in immunocompetent patients has increased, highlighting their possible importance as emerging pathogens. Detection of spores in stools, urine, body fluids and tissues is difficult and immunological techniques such as immunofluorescence have proved to be a useful and reliable tool in the diagnosis of human microsporidiosis. For this reason, we have produced and characterized monoclonal antibodies (MAbs) specific for Encephalitozoon intestinalis (the second most frequent microsporidian infecting humans), and other Encephalitozoon species, that can be used in different diagnostic techniques...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29099899/-nephritis-in-a-staffordshire-terrier-puppy-caused-by-encephalitozoon-cuniculi-genotype-i
#19
Stephan Engelhardt, Astrid Buder, Katja Pfeil, Ulrike Schwittlick, Eva Klas, Barbara Hinney, Heike Aupperle-Lellbach, Ingo Pfeil
An 8-week-old puppy was presented to the clinic because of anorexia, polyuria, polydipsia and azotemia. The urinary sediment displayed large amounts of protozoan-like organisms, which could be identified by PCR as Encephalitozoon cuniculi genotype I. In the immunofluorescence antibody test (IFAT) an antibody titer against E. cuniculi of 1  :  2560 was found. The dog was treated with fenbendazole over 3 weeks. After 3 months, an antibody titer against E. cuniculi could no longer be detected. The dog recovered completely...
November 3, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/29091912/diabetes-mellitus-increases-the-susceptibility-to-encephalitozoonosis-in-mice
#20
Aldo Francisco Neto, Paulo Ricardo Dell'Armelina Rocha, Elizabeth Christina Perez, José Guilherme Xavier, Giovani Bravin Peres, Diva Denelle Spadacci-Morena, Anuska Marcelino Alvares-Saraiva, Maria Anete Lallo
Microsporidiosis are diseases caused by opportunistic intracellular fungi in immunosuppressed individuals, as well as in transplanted patients, the elderly and children, among others. Diabetes mellitus (DM) is a metabolic disease characterized by hyperglycemia and decreased T cell response, neutrophil function, humoral immunity failure, increasing the susceptibility to infections. Here, we investigated the susceptibility of streptozotocin (STZ)-induced type I diabetic and/or immunosuppressed mice to encephalitozoonosis by Encephalitozoon cuniculi...
2017: PloS One
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