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Immune veterinary

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https://www.readbyqxmd.com/read/27931211/gonadectomy-effects-on-the-risk-of-immune-disorders-in-the-dog-a-retrospective-study
#1
Crystal R Sundburg, Janelle M Belanger, Danika L Bannasch, Thomas R Famula, Anita M Oberbauer
BACKGROUND: Gonadectomy is one of the most common procedures performed on dogs in the United States. Neutering has been shown to reduce the risk for some diseases although recent reports suggest increased prevalence for structural disorders and some neoplasias. The relation between neuter status and autoimmune diseases has not been explored. This study evaluated the prevalence and risk of atopic dermatitis (ATOP), autoimmune hemolytic anemia (AIHA), canine myasthenia gravis (CMG), colitis (COL), hypoadrenocorticism (ADD), hypothyroidism (HYPO), immune-mediated polyarthritis (IMPA), immune-mediated thrombocytopenia (ITP), inflammatory bowel disease (IBD), lupus erythematosus (LUP), and pemphigus complex (PEMC), for intact females, intact males, neutered females, and neutered males...
December 8, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27906979/a-phosphorylcholine-containing-glycolipid-like-antigen-present-on-the-surface-of-infective-stage-larvae-of-ascaris-spp-is-a-major-antibody-target-in-infected-pigs-and-humans
#2
Johnny Vlaminck, Dries Masure, Tao Wang, Peter Nejsum, Cornelis H Hokke, Peter Geldhof
BACKGROUND: The pig parasite Ascaris suum plays and important role in veterinary medicine and represents a suitable model for A. lumbricoides, which infects over 800 million people. In pigs, continued exposure to Ascaris induces immunity at the level of the gut, protecting the host against migrating larvae. The objective of this study was to identify and characterize parasite antigens targeted by this local immune response that may be crucial for parasite invasion and establishment and to evaluate their protective and diagnostic potential...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27891499/a-presumptive-case-of-human-rabies-a-rare-survived-case-in-rural-ghana
#3
Paschal Awingura Apanga, John Koku Awoonor-Williams, Michael Acheampong, Matthew Ayamba Adam
Rabies remains endemic in Ghana and continues to pose a major public health threat to humans and animals with a nearly 100% case fatality rate in humans. We report of a presumptive case of human rabies whose survival represents a rare occurrence in rural Ghana and worldwide. Lessons from this case study provide a critically needed focus in helping improve rabies surveillance and case management in Ghana. We report of the survival of a 36-year-old man who developed clinical rabies after he was bitten by his dog, while restraining the dog with a chain...
2016: Frontiers in Public Health
https://www.readbyqxmd.com/read/27890874/development-of-a-lipopolysaccharide-lps-supplemented-adjuvant-and-its-effects-on-cell-mediated-and-humoral-immune-responses-in-male-rats-immunized-against-sperm
#4
Junko Noguchi, Shinya Watanabe, Thanh Q Dang Nguyen, Kazuhiro Kikuchi, Hiroyuki Kaneko
Supplementation with lipopolysaccharide (LPS) from non-pathogenic Escherichia coli was found to enhance the adjuvant effects of a veterinary vaccine adjuvant (ISA 71VG(®)). Sperm immunization using 71VG as an adjuvant in the immature period induced infertility in 25% of male rats, whereas this increased to 62.5% after immunization with 71VG + LPS or Freund's complete adjuvant (FCA). Mean testicular weight of non-sterile males in the 71VG + LPS group was significantly lower than that in the 71VG or FCA group...
November 28, 2016: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/27890399/a-partially-purified-outer-membrane-protein-virb9-1-for-low-cost-nanovaccines-against-anaplasma-marginale
#5
Liang Zhao, Antonino S Cavallaro, David Wibowo, Bing Zhang, Jun Zhang, Neena Mitter, Chengzhong Yu, Chun-Xia Zhao, Anton P J Middelberg
Anaplasma marginale is a devastating tick-borne pathogen causing anaplasmosis in cattle and results in significant economic loss to the cattle industry worldwide. Currently, there is no widely accepted vaccine against A. marginale. New generation subunit vaccines against A. marginale, which are much safer, more efficient and cost-effective, are in great need. The A. marginale outer membrane protein VirB9-1 is a promising antigen for vaccination. We previously have shown that soluble recombinant VirB9-1 protein can be expressed and purified from Escherichia coli and induce a high level of humoral and cellular immunity in mice...
November 24, 2016: Vaccine
https://www.readbyqxmd.com/read/27881655/porcine-reproductive-and-respiratory-syndrome-virus-nsp1%C3%AE-inhibits-nf-%C3%AE%C2%BAb-activation-by-targeting-linear-ubiquitin-chain-assembly-complex-lubac
#6
Huiyuan Jing, Liurong Fang, Zhen Ding, Dang Wang, Wenqi Hao, Li Gao, Wenting Ke, Huanchun Chen, Shaobo Xiao
: Linear ubiquitination, a newly discovered posttranslational modification, is catalyzed by the linear ubiquitin chain assembly complex (LUBAC), which is composed of three subunits: one catalytic subunit HOIP and two accessory molecules, HOIL-1L and SHARPIN. Accumulating evidence suggests that linear ubiquitination plays a crucial role in innate immune signaling and especially in the activation of the NF-κB pathway by conjugating linear polyubiquitin chains to NF-κB essential modulator (NEMO, also called IKKγ), the regulatory subunit of the IKK complex...
November 23, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27860492/veterinary-replicon-vaccines
#7
Mia C Hikke, Gorben P Pijlman
Vaccination is essential in livestock farming and in companion animal ownership. Nucleic acid vaccines based on DNA or RNA provide an elegant alternative to classical veterinary vaccines that have performed suboptimally. Recent advances in terms of rational design, safety, and efficacy have strengthened the position of nucleic acid vaccines in veterinary vaccinology. The present review focuses on replicon vaccines designed for veterinary use. Replicon vaccines are self-amplifying viral RNA sequences that, in addition to the sequence encoding the antigen of interest, contain all elements necessary for RNA replication...
November 14, 2016: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/27856424/eradication-of-canine-diffuse-large-b-cell-lymphoma-in-a-murine-xenograft-model-with-cd47-blockade-and-anti-cd20
#8
Kipp Weiskopf, Katie L Anderson, Daisuke Ito, Peter J Schnorr, Hirotaka Tomiyasu, Aaron M Ring, Kristin Bloink, Jem Efe, Sarah Rue, David Lowery, Amira Barkal, Susan Prohaska, Kelly M McKenna, Ingrid Cornax, Timothy D O'Brien, M Gerard O'Sullivan, Irving L Weissman, Jaime F Modiano
Cancer immunotherapies hold much promise, but their potential in veterinary settings has not yet been fully appreciated. Canine lymphomas are among the most common tumors of dogs and bear remarkable similarity to human disease. In this study, we examined the combination of CD47 blockade with anti-CD20 passive immunotherapy for canine lymphoma. The CD47/SIRPα axis is an immune checkpoint that regulates macrophage activation. In humans, CD47 is expressed on cancer cells and enables evasion from phagocytosis...
December 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27831541/dna-vaccine-delivery-and-improved-immunogenicity
#9
Kevin R Porter, Kanakatte Raviprakash
The promise of DNA vaccines is as compelling today as it was more than a decade ago. Ease of manufacture, stability at ambient temperatures without the need for a cold chain and its ability to mimic natural infections and elicit appropriate immune responses makes this vaccine platform extremely attractive. Although, human clinical trials of DNA vaccines have yielded less than optimal results, the approval and licensing of a few veterinary vaccines is testimony to the proof-of-concept and the hope that licensed DNA vaccines for human use may not be too far away...
November 10, 2016: Current Issues in Molecular Biology
https://www.readbyqxmd.com/read/27823373/clinical-features-and-pathological-joint-changes-in-dogs-with-erosive-immune-mediated-polyarthritis-13-cases-2004-2012
#10
Magen L Shaughnessy, Susannah J Sample, Carter Abicht, Caitlin Heaton, Peter Muir
OBJECTIVE To evaluate the clinical features and pathological joint changes in dogs with erosive immune-mediated polyarthritis (IMPA). DESIGN Retrospective case series. ANIMALS 13 dogs with erosive IMPA and 66 dogs with nonerosive IMPA. PROCEDURES The medical record database of a veterinary teaching hospital was reviewed to identify dogs with IMPA that were examined between October 2004 and December 2012. For each IMPA-affected dog, information extracted from the medical record included signalment, diagnostic test results, radiographic findings, and treatments administered...
November 15, 2016: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/27816372/a-cell-culture-derived-whole-virus-influenza-a-vaccine-based-on-magnetic-sulfated-cellulose-particles-confers-protection-in-mice-against-lethal-influenza-a-virus-infection
#11
Michael M Pieler, Sarah Frentzel, Dunja Bruder, Michael W Wolff, Udo Reichl
Downstream processing and formulation of viral vaccines employs a large number of different unit operations to achieve the desired product qualities. The complexity of individual process steps involved, the need for time consuming studies towards the optimization of virus yields, and very high requirements regarding potency and safety of vaccines results typically in long lead times for the establishment of new processes. To overcome such obstacles, to enable fast screening of potential vaccine candidates, and to explore options for production of low cost veterinary vaccines a new platform for whole virus particle purification and formulation based on magnetic particles has been established...
December 7, 2016: Vaccine
https://www.readbyqxmd.com/read/27809972/perceptions-and-actions-of-dutch-sheep-farmers-concerning-worm-infections
#12
H W Ploeger, A F G Antonis, J C Verkaik, P Vellema, M H Bokma-Bakker
Gastrointestinal (GI) nematode infections are considered among one of the toughest challenges sheep farmers face worldwide. Control still is largely based on the use of anthelmintics, but anthelmintic resistance is becoming rampant. To facilitate implementation of alternative nematode control strategies and to reduce anthelmintic usage, the purpose of this study was twofold: (i) to gain insight in common practices, knowledge gaps and perceptions of farmers regarding nematode control, and (ii) to provide foci of attention for improving parasite control practices and transfer of knowledge within the sheep husbandry...
October 15, 2016: Veterinary Parasitology
https://www.readbyqxmd.com/read/27809679/induction-of-both-local-immune-response-in-mice-and-protection-in-a-rabbit-model-by-intranasal-immunization-with-modified-vaccinia-ankara-virus-expressing-a-secreted-form-of-bovine-herpesvirus-1-glycoprotein-d
#13
María Paula Del Medico Zajac, Flavia Adriana Zanetti, María Soledad Esusy, Carlos Rodolfo Federico, Osvaldo Zabal, Alejandro Rafael Valera, Gabriela Calamante
In this study, we evaluated the immunogenicity and efficacy of mucosal delivery of a recombinant modified vaccinia Ankara virus (MVA) expressing the secreted version of bovine herpesvirus type 1 (BoHV-1) glycoprotein D (MVA-gDs) without addition of adjuvant in two animal models. First, we demonstrated the capability of MVA-gDs of inducing both local and systemic anti-gD humoral immune response after intranasal immunization of mice. Then, we confirmed that two doses of MVA-gDs administered intranasally to rabbits induced systemic anti-gD antibodies and conferred protection against BoHV-1 challenge...
November 3, 2016: Viral Immunology
https://www.readbyqxmd.com/read/27769883/brazilian-borreliosis-with-special-emphasis-on-humans-and-horses
#14
Roberta Carvalho Basile, Natalino Hajime Yoshinari, Elenice Mantovani, Virgínia Nazário Bonoldi, Delphim da Graça Macoris, Antonio de Queiroz-Neto
Borreliosis caused by Borrelia burgdorferi sensu lato is a cosmopolitan zoonosis studied worldwide; it is called Lyme disease in many countries of the Northern Hemisphere and Lyme-like or Baggio-Yoshinari Syndrome in Brazil. However, despite the increasing number of suspect cases, this disease is still neglected in Brazil by the medical and veterinary communities. Brazilian Lyme-like borreliosis likely involves capybaras as reservoirs and Amblyomma and Rhipicephalus ticks as vectors. Thus, domestic animals can serve as key carriers in pathogen dissemination...
October 4, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/27760169/responses-of-bovine-innate-immunity-to-mycobacterium-avium-subsp-paratuberculosis-infection-revealed-by-changes-in-gene-expression-and-levels-of-microrna
#15
Michela Malvisi, Fiorentina Palazzo, Nicola Morandi, Barbara Lazzari, John L Williams, Giulio Pagnacco, Giulietta Minozzi
Paratuberculosis in cattle is a chronic granulomatous gastroenteritis caused by Mycobacterium avium subsp. paratubercolosis (MAP) which is endemic worldwide. In dairy herds, it is responsible for huge economic losses. However, current diagnostic methods do not detect subclinical infection making control of the disease difficult. The identification of MAP infected animals during the sub-clinical phase of infection would play a key role in preventing the dissemination of the pathogen and in reducing transmission...
2016: PloS One
https://www.readbyqxmd.com/read/27749921/novel-igg-degrading-enzymes-of-the-igde-protease-family-link-substrate-specificity-to-host-tropism-of-streptococcus-species
#16
Christian Spoerry, Pontus Hessle, Melanie J Lewis, Lois Paton, Jenny M Woof, Ulrich von Pawel-Rammingen
Recently we have discovered an IgG degrading enzyme of the endemic pig pathogen S. suis designated IgdE that is highly specific for porcine IgG. This protease is the founding member of a novel cysteine protease family assigned C113 in the MEROPS peptidase database. Bioinformatical analyses revealed putative members of the IgdE protease family in eight other Streptococcus species. The genes of the putative IgdE family proteases of S. agalactiae, S. porcinus, S. pseudoporcinus and S. equi subsp. zooepidemicus were cloned for production of recombinant protein into expression vectors...
2016: PloS One
https://www.readbyqxmd.com/read/27743649/electroporation-enhances-protective-immune-response-of-a-dna-vaccine-against-japanese-encephalitis-in-mice-and-pigs
#17
Ziyang Sheng, Na Gao, Xiaoyun Cui, Dongying Fan, Hui Chen, Na Wu, Jianchun Wei, Jing An
Japanese encephalitis virus (JEV) is a pathogenic cause of Japanese Encephalitis (JE), which is a zoonotic disease transmitted by mosquitoes and amplified by pigs. Infection of JEV may lead to severe neurological sequelae, even death in humans and reproductive disorders in pigs. Vaccination is the only way to control JEV infection in humans. For pigs play important role in the JEV transmission cycle, developing a new veterinary vaccine is considered as a useful strategy for cutting off the transmission route of JEV...
October 12, 2016: Vaccine
https://www.readbyqxmd.com/read/27742220/characterization-of-the-protective-immune-response-to-yersinia-pseudotuberculosis-infection-in-mice-vaccinated-with-an-lcrv-secreting-strain-of-lactococcus-lactis
#18
Catherine Daniel, Marie Titecat, Sabine Poiret, Delphine Cayet, Denise Boutillier, Michel Simonet, Jean-Claude Sirard, Nadine Lemaître, Florent Sebbane
BACKGROUND: Pseudotuberculosis is an infection caused by the bacterial enteropathogen Yersinia pseudotuberculosis and is considered to be a significant problem in veterinary medicine. We previously found that intranasal administration of a recombinant Lactococcus lactis strain that secretes the low-calcium response V (LcrV) antigen from Y. pseudotuberculosis (Ll-LcrV) confers protection against a lethal Y. pseudotuberculosis infection. Here, we aimed at characterizing the immunological basis of this LcrV-elicited protective response and at determining the duration of vaccine-induced immunity...
October 11, 2016: Vaccine
https://www.readbyqxmd.com/read/27734587/canine-panuveitis-a-retrospective-evaluation-of-55-cases-2000-2015
#19
Benjamin E Bergstrom, Jean Stiles, Wendy M Townsend
OBJECTIVE: To determine the most common etiologies of panuveitis in a group of dogs, patient response to therapy, and visual outcome. DESIGN: Retrospective study. MATERIALS AND METHODS: Medical records of 55 dogs diagnosed with panuveitis at the Purdue University Veterinary Teaching Hospital between December 2000 and December 2015 were reviewed. Data collected included signalment, season of diagnosis, descriptions of ocular lesions, diagnostic testing, treatment protocols, etiologic diagnoses (when determined), and visual outcome...
October 12, 2016: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/27733423/enhanced-protective-immunogenicity-of-homodimeric-borrelia-burgdorferi-outer-surface-protein-c
#20
Diane G Edmondson, Sabitha Prabhakaran, Steven J Norris, Amy J Ullmann, Joe Piesman, Marc Dolan, Christian Probst, Christiane Radzimski, Winfried Stöcker, Lars Komorowski
Lyme borreliosis is caused by tick-transmitted spirochetes of the Borrelia burgdorferi sensu lato group and is the most common vector-borne disease in the United States and Europe. Outer surface protein C (OspC) is a 23 kDa outer surface lipoprotein expressed during spirochete transmission from the tick to the vertebrate host. In a previous study, we found that immunization with a recombinant disulfide-bridged dimeric form of OspC (D-OspC) stimulates increased antibody responses relative to immunization with commonly employed monomeric OspC...
October 12, 2016: Clinical and Vaccine Immunology: CVI
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