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https://www.readbyqxmd.com/read/28298245/serological-and-molecular-prevalence-of-canine-vector-borne-diseases-cvbds-in-korea
#1
Guk-Hyun Suh, Kyu-Sung Ahn, Jong-Ho Ahn, Ha-Jung Kim, Christian Leutenegger, SungShik Shin
BACKGROUND: Previous surveys in dogs from Korea indicated that dogs are exposed to a variety of vector- borne pathogens, but perception for a nation-wide canine vector-borne disease (CVBD) occurrence has been missing. We report here results of both serological and molecular prevalence studies for major CVBDs of dogs from all over the South Korean Peninsula except for Jeju Island. RESULTS: Serological survey of 532 outdoor dogs revealed the highest prevalence for Dirofilaria immitis (25...
March 16, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28292316/efficacy-safety-and-tolerance-of-imidocarb-dipropionate-versus-atovaquone-or-buparvaquone-plus-azithromycin-used-to-treat-sick-dogs-naturally-infected-with-the-babesia-microti-like-piroplasm
#2
Rocío Checa, Ana Montoya, Nieves Ortega, José Luis González-Fraga, Adrián Bartolomé, Rosa Gálvez, Valentina Marino, Guadalupe Miró
BACKGROUND: Piroplasmosis caused by the Babesia microti-like piroplasm (Bml) is increasingly being detected in dogs in Europe. Sick dogs show acute disease with severe anaemia associated with thrombocytopenia with a poor response to current available drugs. This study assesses the safety and tolerance of three treatments and compares their efficacy over a full year of follow up in dogs naturally infected with Bml. METHODS: Fifty-nine dogs naturally infected with Bml were randomly assigned to a treatment group: imidocarb dipropionate (5 mg/kg SC, 2 doses 14 d apart) (IMI); atovaquone (13...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28288762/horses-infected-by-piroplasms-different-from-babesia-caballi-and-theileria-equi-species-identification-and-risk-factors-analysis-in-italy
#3
Stefania Zanet, Marina Bassano, Anna Trisciuoglio, Ivo Taricco, Ezio Ferroglio
Equine Piroplasmosis (EP) caused by Theileria equi and Babesia caballi is a disease affecting the health and the international movement of horses. In order to assess prevalence of Piroplasmid infection in the Northwestern part of Italy and to evaluate the associated risk factors, whole blood was collected from 135 horses from 7 different stables across the study area. PCR and sequencing were used to assess prevalence of infection and to identify detected Piroplasms to species level. A total of 23 horses (P=17...
March 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28286324/effects-of-dihydroorotate-dehydrogenase-dhodh-inhibitors-on-the-growth-of-theileria-equi-and-babesia-caballi-in%C3%A2-vitro
#4
Ketsarin Kamyingkird, Shinuo Cao, Bumduuren Tuvshintulga, Akram Salama, Ahmed Abdelmoniem Mousa, Artemis Efstratiou, Yoshifumi Nishikawa, Naoaki Yokoyama, Ikuo Igarashi, Xuenan Xuan
Theileria equi and Babesia caballi are the causative agents of equine piroplasmosis (EP), which affects equine production in various parts of the world. However, a safe and effective drug is not currently available for treatment of EP. Dihydroorotate dehydrogenase (DHODH) is the fourth enzyme in the de novo pyrimidine synthesis pathway and has been known as a novel drug target for several apicomplexan protozoan parasites. In this study, we evaluated four DHODH inhibitors; atovaquone (ATV), leflunomide (LFN), brequinar (Breq), and 7-hydroxy-5-[1,2,4] triazolo [1,5,a] pyrimidine (TAZ) on the growth of T...
March 9, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28286145/splenic-dysfunction-from-celiac-disease-resulting-in-severe-babesiosis
#5
Sarah O'Connell, Craig Lyons, Moustafa Abdou, Rittick Patowary, Salman Aslam, Nora Kinsella, Annetta Zintl, Klaus-Peter Hunfeld, Gary P Wormser, Jeremy Gray, Concepta Merry, Hussain Alizadeh
We describe a 79-year-old Irish man who, because he had hyposplenism and splenic atrophy due to adult celiac disease, became critically ill from a severe Babesia divergens infection. Greater awareness of the possible consequences of splenic dysfunction from adult celiac disease, such as serious pneumococcal infections and babesiosis, is warranted.
February 28, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28285892/origins-of-recently-emerged-foci-of-the-tick-dermacentor-reticulatus-in-central-europe-inferred-from-molecular-markers
#6
Agnieszka Kloch, Ewa J Mierzejewska, Grzegorz Karbowiak, Kateryna Slivinska, Mohammed Alsarraf, Anna Rodo, Maciej Kowalec, Dorota Dwużnik, Yuliya M Didyk, Anna Bajer
The ornate dog tick Dermacentor reticulatus is vector of several blood parasites, including Babesia canis, a causative agent of babesiosis. The geographical range of D. reticulatus in Europe is discontinuous with a gap separating eastern and western macroregions. New foci observed in several locations in western and central Europe were considered an expansion of the western population, including foci in western Poland. In the present paper we used molecular markers to identify the origins of these foci, and we compared their genetic polymorphism to D...
February 28, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28285601/canine-leishmaniosis-caused-by-leishmania-major-and-leishmania-tropica-comparative-findings-and-serology
#7
Gad Baneth, Daniel Yasur-Landau, Matan Gilad, Yaarit Nachum-Biala
BACKGROUND: Infection and clinical disease associated with Leishmania major and Leishmania tropica, two common agents of human cutaneous leishmaniosis, have rarely been reported in dogs. This study describes dogs infected with these Leishmania spp. prevalent in the Middle East and North Africa, and compares the serological response of dogs infected with Leishmania infantum, L. major or L. tropica to whole promastigote antigen enzyme-linked immunosorbent assay (ELISA) of each species and to rK39 dipstick...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285591/black-backed-jackals-canis-mesomelas-are-natural-hosts-of-babesia-rossi-the-virulent-causative-agent-of-canine-babesiosis-in-sub-saharan-africa
#8
Barend L Penzhorn, Ilse Vorster, Robert F Harrison-White, Marinda C Oosthuizen
BACKGROUND: Babesia rossi, which is transmitted by Haemaphysalis spp. and is highly virulent to domestic dogs, occurs only in sub-Saharan Africa. Since dogs are not native to the region, it has been postulated that the natural host of B. rossi is an indigenous African canid. Although various attempts at artificial infection indicated that black-backed jackals (Canis mesomelas) could become subclinically infected with B. rossi, data on occurrence of B. rossi in free-ranging jackals was lacking...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285583/molecular-detection-of-vector-borne-pathogens-in-blood-and-splenic-samples-from-dogs-with-splenic-disease
#9
Rebeca Movilla, Laura Altet, Lorena Serrano, María-Dolores Tabar, Xavier Roura
BACKGROUND: The spleen is a highly perfused organ involved in the immunological control and elimination of vector-borne pathogens (VBP), which could have a fundamental role in the pathogenesis of splenic disease. This study aimed to evaluate certain VBP in samples from dogs with splenic lesions. METHODS: Seventy-seven EDTA-blood and 64 splenic tissue samples were collected from 78 dogs with splenic disease in a Mediterranean area. Babesia spp., Bartonella spp., Ehrlichia/Anaplasma spp...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28281774/parasites-of-domestic-and-wild-animals-in-south-africa-l-ixodid-ticks-infesting-horses-and-donkeys
#10
Ivan G Horak, Heloise Heyne, Ali Halajian, Shalaine Booysen, Willem J Smit
The aim of the study was to determine the species spectrum of ixodid ticks that infest horses and donkeys in South Africa and to identify those species that act as vectors of disease to domestic livestock. Ticks were collected opportunistically from 391 horses countrywide by their owners or grooms, or by veterinary students and staff at the Faculty of Veterinary Science, University of Pretoria. Ticks were also collected from 76 donkeys in Limpopo Province, 2 in Gauteng Province and 1 in North West province...
February 28, 2017: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/28273010/post-babesiosis-warm-autoimmune-hemolytic-anemia
#11
Ann E Woolley, Mary W Montgomery, William J Savage, Maureen O Achebe, Kathleen Dunford, Sarah Villeda, James H Maguire, Francisco M Marty
Background Babesiosis, a tickborne zoonotic disease caused by intraerythrocytic protozoa of the genus babesia, is characterized by nonimmune hemolytic anemia that resolves with antimicrobial treatment and clearance of parasitemia. The development of warm-antibody autoimmune hemolytic anemia (also known as warm autoimmune hemolytic anemia [WAHA]) in patients with babesiosis has not previously been well described. Methods After the observation of sporadic cases of WAHA that occurred after treatment of patients for babesiosis, we conducted a retrospective cohort study of all the patients with babesiosis who were cared for at our center from January 2009 through June 2016...
March 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28264705/improved-molecular-detection-of-babesia-infections-in-animals-using-a-novel-quantitative-real-time-pcr-diagnostic-assay-targeting-mitochondrial-dna
#12
Barbara A Qurollo, Nikole R Archer, Megan E Schreeg, Henry S Marr, Adam J Birkenheuer, Kaitlin N Haney, Brittany S Thomas, Edward B Breitschwerdt
BACKGROUND: Babesiosis is a protozoal, tick transmitted disease found worldwide in humans, wildlife and domesticated animals. Commonly used approaches to diagnose babesiosis include microscopic examination of peripheral blood smears, detection of circulating antibodies and PCR. To screen and differentiate canine Babesia infections many PCR assays amplify the 18S rRNA gene. These sequences contain hypervariable regions flanked by highly conserved regions allowing for amplification of a broad-range of Babesia spp...
March 7, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28255923/transmission-differentials-for-multiple-pathogens-as-inferred-from-their-prevalence-in-larva-nymph-and-adult%C3%A2-of-ixodes-ricinus-acari-ixodidae
#13
Per M Jensen, Christian S Christoffersen, Sara Moutailler, Lorraine Michelet, Kirstine Klitgaard, Rene Bødker
Ixodes ricinus serves as vector for a range of microorganisms capable of causing clinical illness in humans. The microorganisms occur in the same vector populations and are generally affected by the same tick-host interactions. Still, the instars have different host preferences which should manifest in different transmission patterns for various microorganisms in the tick populations, i.e., most microorganisms increase in prevalence rate from larvae to nymphs because their reservoirs are among small mammals and birds that serve as blood hosts for larvae...
March 2, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28229221/the-raccoon-dog-nyctereutes-procyonoides-and-the-raccoon-procyon-lotor-their-role-and-impact-of-maintaining-and-transmitting-zoonotic-diseases-in-austria-central-europe
#14
Tanja Duscher, Adnan Hodžić, Walter Glawischnig, Georg G Duscher
The neozoan species raccoon dog (Nyctereutes procyonoides) and raccoon (Procyon lotor) are widespread in Europe and potential vectors of many diseases that can threaten human and domestic animal health. Facing a further spread of these species, it is important to know about (i) pathogens imported and/or (ii) pathogens acquired in the new habitat. Thus, we investigated the parasite fauna of wild raccoon dogs and raccoons from Austria, at the edge of their new distribution range. The eight examined raccoons were nearly free of pathogens including Baylisascaris procyonis, and thus assumed to have a low epidemiological impact, so far...
February 23, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28217703/babesiosis-associated-immune-thrombocytopenia
#15
Roshni Narurkar, Aleksandra Mamorska-Dyga, Anup Agarwal, John C Nelson, Delong Liu
Thrombocytopenia is a common feature of babesiosis. The mechanism for thrombocytopenia in babesiosis remains elusive. We report a case of babesiosis with severe new onset immune thrombocytopenia (ITP). In addition to antibiotics treatment for babesiosis, ITP therapy was administered. ITP in the present case was most likely triggered by the babesia infection. The severity of ITP in this case was not proportional to the severity of parasitemia. The neoantigen triggering the autoimmune response in babesiosis requires further characterization...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28207983/a-novel-flow-cytometric-application-discriminates-among-the-effects-of-chemical-inhibitors-on-various-phases-of-babesia-divergens-intraerythrocytic-cycle
#16
Jeny R Cursino-Santos, Manpreet Singh, Petra Pham, Cheryl A Lobo
Human babesiosis is a global emerging infectious disease caused by intraerythrocytic parasites of the genus Babesia. Its biology has remained largely unexplored due to a lack of critical tools and techniques required to define the various stages and phases of the parasite's cycle in its host RBC and the interplay between host and parasite. This article presents a powerful set of tools combining stage synchronization of the parasite with a platform that encompasses both a flow cytometric evaluation of the subpopulation structure of the parasite population together with a morphological assessment of the population parasites using light microscopy of conventional Giemsa stained smears...
March 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28202022/hematologic-manifestations-of-babesiosis
#17
REVIEW
Tamer Akel, Neville Mobarakai
BACKGROUND: Babesiosis, a zoonotic parasitic infection transmitted by the Ixodes tick, has become an emerging health problem in humans that is attracting attention worldwide. Most cases of human babesiosis are reported in the United States and Europe. The disease is caused by the protozoa of the genus Babesia, which invade human erythrocytes and lyse them causing a febrile hemolytic anemia. The infection is usually asymptomatic or self-limited in the immunocompetent host, or follows a persistent, relapsing, and/or life threatening course with multi-organ failure, mainly in the splenectomized or immunosuppressed patients...
February 15, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28196774/is-the-free-ranging-jaguar-panthera-onca-a-reservoir-for-cytauxzoon-felis-in-brazil
#18
Mariana Malzoni Furtado, Sueli Akemi Taniwaki, Betina Metzger, Karina Dos Santos Paduan, Helena Lucia O'Dwyer, Anah Tereza de Almeida Jácomo, Grasiela E O Porfírio, Leandro Silveira, Rahel Sollmann, Natália Mundim Tôrres, José Soares Ferreira Neto
This study investigated the occurrence of Cytauxzoon felis and Babesia spp. in free-ranging jaguars (Panthera onca), domestic dogs (Canis lupus familiaris) and domestic cats (Felis catus) from the Cerrado, Amazon and Pantanal biomes of Brazil. Blood samples were collected from 30 jaguars, 129 dogs and 22 cats for detection of the 18S rRNA genes of piroplasmids. All of the jaguars from the Pantanal (n=22) and Cerrado (n=4) and three of four jaguars from the Amazon were positive for C. felis, but no dogs or cats were positive for the agent...
February 6, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28193250/a-novel-modified-indirect-elisa-based-on-spherical-body-protein-4-for-detecting-antibody-during-acute-and-long-term-infections-with-diverse-babesia-bovis-strains
#19
Chungwon J Chung, Carlos E Suarez, Carey L Bandaranayaka-Mudiyanselage, Chandima-Bandara Bandaranayaka-Mudiyanselage, Joanna Rzepka, T J Heiniger, Grace Chung, Stephen S Lee, Ethan Adams, Grace Yun, Susan J Waldron
BACKGROUND: Cattle persistently infected with Babesia bovis are reservoirs for intra- and inter-herd transmission. Since B. bovis is considered a persistent infection, developing a reliable, high-throughput assay that detects antibody during all stages of the infection could be pivotal for establishing better control protocols. METHODS: A modified indirect enzyme-linked immunosorbent assay (MI-ELISA) was developed using the spherical body protein-4 (SBP4) of B. bovis to detect antibody against diverse strains through all infection stages in cattle...
February 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28188085/species-of-ticks-and-carried-pathogens-in-owned-dogs-in-spain-results-of-a-one-year-national-survey
#20
Agustín Estrada-Peña, Xavier Roura, Angel Sainz, Guadalupe Miró, Laia Solano-Gallego
This study presents the results of a national survey in Spain on the distribution of ticks on owned dogs, their phenology and the associated pathogens over one year. In the study, 1628 adult ticks were collected on 660 dogs presented to 26 veterinary practices, of which 507 dogs (76.8%) carried at least one adult tick. The primary species of ticks were Rhipicephalus sanguineus s.l. (53%), Dermacentor reticulatus (9%), Ixodes ricinus (9%), and I. hexagonus (4%). Parasitism by two species of these ticks was rare...
February 3, 2017: Ticks and Tick-borne Diseases
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