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https://www.readbyqxmd.com/read/28197148/avian-interferons-and-their-antiviral-effectors
#1
REVIEW
Diwakar Santhakumar, Dennis Rubbenstroth, Luis Martinez-Sobrido, Muhammad Munir
Interferon (IFN) responses, mediated by a myriad of IFN-stimulated genes (ISGs), are the most profound innate immune responses against viruses. Cumulatively, these IFN effectors establish a multilayered antiviral state to safeguard the host against invading viral pathogens. Considerable genetic and functional characterizations of mammalian IFNs and their effectors have been made, and our understanding on the avian IFNs has started to expand. Similar to mammalian counterparts, three types of IFNs have been genetically characterized in most avian species with available annotated genomes...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28194450/assessment-of-the-adjuvant-activity-of-mesoporous-silica-nanoparticles-in-recombinant-mycoplasma-hyopneumoniae-antigen-vaccines
#2
Veridiana Gomes Virginio, Natalia Costantin Bandeira, Fernanda Munhoz Dos Anjos Leal, Marcelo Lancellotti, Arnaldo Zaha, Henrique Bunselmeyer Ferreira
The adjuvant potential of two mesoporous silica nanoparticles (MSNs), SBa-15 and SBa-16, was assessed in combination with a recombinant HSP70 surface polypeptide domain from Mycoplasma hyopneumoniae, the etiological agent of porcine enzootic pneumonia (PEP). The recombinant antigen (HSP70212-600), previously shown as immunogenic in formulation with classic adjuvants, was used to immunize BALB/c mice in combination with SBa-15 or SBa-16 MSNs, and the effects obtained with these formulations were compared to those obtained with alum, the adjuvant traditionally used in anti-PEP bacterins...
January 2017: Heliyon
https://www.readbyqxmd.com/read/28194371/non-tuberculous-mycobacteria-in-south-african-wildlife-neglected-pathogens-and-potential-impediments-for-bovine-tuberculosis-diagnosis
#3
Nomakorinte Gcebe, Tiny M Hlokwe
Non-tuberculous mycobacteria (NTM) are not only emerging and opportunistic pathogens of both humans and animals, but from a veterinary point of view some species induce cross-reactive immune responses that hamper the diagnosis of bovine tuberculosis (bTB) in both livestock and wildlife. Little information is available about NTM species circulating in wildlife species of South Africa. In this study, we determined the diversity of NTM isolated from wildlife species from South Africa as well as Botswana. Thirty known NTM species and subspecies, as well as unidentified NTM, and NTM closely related to Mycobacterium goodii/Mycobacterium smegmatis were identified from 102 isolates cultured between the years 1998 and 2010, using a combination of molecular assays viz PCR and sequencing of different Mycobacterial house-keeping genes as well as single nucleotide polymorphism (SNP) analysis...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28166482/post-exposure-rabies-prophylaxis-in-humans-exposed-to-animals-in-lublin-province-eastern-poland-in-2012-2015-a-retrospective-study
#4
Joanna Krzowska-Firych, Krzysztof Tomasiewicz, Agata Kozøowska
Rabies continues to be one of the most important viral diseases and remains a significant threat to public health across the globe. The post-exposure prophylaxis in humans can effectively prevent death after exposure to a potentially infected animal. In Poland, recommendations for rabies PEP followed the  national guidelines which recommend that people should receive PEP when bitten by an animal suspected to be infected by rabies. PEP in humans  includes cleansing and disinfecting the wound or point of contact, and administering anti-rabies immunization...
February 6, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28161462/immune-response-and-protective-profile-elicited-by-a-multi-epitope-chimeric-protein-derived-from-leptospira-interrogans
#5
Luis G V Fernandes, Aline F Teixeira, Antonio F S Filho, Gisele O Souza, Silvio A Vasconcellos, Marcos B Heinemann, Eliete C Romero, Ana L T O Nascimento
INTRODUCTION: Pathogenic Leptospira is the causative agent of leptospirosis, a widely disseminated disease of human and veterinary concern. The development of vaccines that elicit cross-protective immunity through multiple leptospiral serovars has long been pursued. The aim of this study was to develop a novel chimeric multi-epitope fusion antigen, containing sequences of previously studied outer membrane proteins (OMPs) of Leptospira. METHODS: The chimeric protein was designed based on the amino acid sequences of the LigA, Mce, Lsa45, OmpL1, and LipL41 proteins, cloned into pAE vector, the protein expressed in Escherichia coli, and its immune response evaluated in the hamster infection model...
February 1, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28158275/early-endonuclease-mediated-evasion-of-rna-sensing-ensures-efficient-coronavirus-replication
#6
Eveline Kindler, Cristina Gil-Cruz, Julia Spanier, Yize Li, Jochen Wilhelm, Huib H Rabouw, Roland Züst, Mihyun Hwang, Philip V'kovski, Hanspeter Stalder, Sabrina Marti, Matthias Habjan, Luisa Cervantes-Barragan, Ruth Elliot, Nadja Karl, Christina Gaughan, Frank J M van Kuppeveld, Robert H Silverman, Markus Keller, Burkhard Ludewig, Cornelia C Bergmann, John Ziebuhr, Susan R Weiss, Ulrich Kalinke, Volker Thiel
Coronaviruses are of veterinary and medical importance and include highly pathogenic zoonotic viruses, such as SARS-CoV and MERS-CoV. They are known to efficiently evade early innate immune responses, manifesting in almost negligible expression of type-I interferons (IFN-I). This evasion strategy suggests an evolutionary conserved viral function that has evolved to prevent RNA-based sensing of infection in vertebrate hosts. Here we show that the coronavirus endonuclease (EndoU) activity is key to prevent early induction of double-stranded RNA (dsRNA) host cell responses...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28129380/the-identification-and-distribution-of-cattle-xcr1-and-xcl1-among-peripheral-blood-cells-new-insights-into-the-design-of-dendritic-cells-targeted-veterinary-vaccine
#7
Kun Li, Guoyan Wei, Yimei Cao, Dong Li, Pinghua Li, Jing Zhang, Huifang Bao, Yingli Chen, Yuanfang Fu, Pu Sun, Xingwen Bai, Xueqing Ma, Zengjun Lu, Zaixin Liu
The chemokine (C motif) receptor 1 (XCR1) and its ligandXCL1 have been intensively studied in the mouse and human immune systems. Here, we determined the molecular characteristics of cattle XCR1 and XCL1 and their distribution among peripheral blood cells. Cattle XCR1 mRNA expression was mainly restricted to CD26+CADM1+CD205+MHCII+CD11b- cells in blood that were otherwise lineage marker negative (lin-); these represented a subset of classic dendritic cells (DCs), not plasmacytoid DCs. Some of these DCs expressed CD11a, CD44, CD80 and CD86, but they did not express CD4, CD8, CD163 or CD172a...
2017: PloS One
https://www.readbyqxmd.com/read/28127363/anti-inflammatory-potentials-of-excretory-secretory-es-and-somatic-products-of-marshallagia-marshalli-on-allergic-airway-inflammation-in-balb-c-mice
#8
Sima Parande Shirvan, Hassan Borji, Ahmadreza Movassaghi, Mohammadreza Khakzad, Hamidreza Farzin, Mohsen Maleki, Alireza Haghparast
BACKGROUND: Inverse relationship between helminths infection and immune-mediated diseases has inspired researchers to investigate therapeutic potential of helminths in allergic asthma. Helminth unique ability to induce immunoregulatory responses has already been documented in several experimental studies. This study was designed to investigate whether excretory/secretory (ES) and somatic products of Marshallagia marshalli modulate the development of ovalbumin-induced airway inflammation in a mouse model...
October 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28118120/development-of-a-time-and-cost-benefit-antibody-binding-test-based-method-for-determination-of-rabies-vaccine-potency
#9
Vahid Asgary, Nazanin Mojtabavi, Alireza Janani, Tahereh Mousavi, Jamshid Hadjati, Mohammad Sadeq Khosravy, Reza Ahangari Cohan
This study is an improvement on the antibody binding test, known as ABT method, to develop a simple and fast method in comparison with NIH for determination of rabies vaccine potency. In the current study, several commercial human and veterinary vaccines were tested using both modified ABT and NIH methods. The ED50 was calculated using the probit method and the relative potency of each vaccine was measured based on the reference vaccine. The test was repeated four times to calculate the reproducibility of the method...
January 24, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28109070/peste-des-petits-ruminants-risk-factors-and-space-time-clusters-in-mymensingh-bangladesh
#10
M S Rony, A K M A Rahman, M M Alam, N Dhand, M P Ward
Using a hospital-based case-control study design, our aim was to identify risk factors for-and space-time clusters of-Peste des Petits Ruminants (PPR) in Mymensingh, Bangladesh. Three hundred and eighty PPR cases diagnosed between January 2005 and December 2014 at the Bangladesh Agricultural University Veterinary Teaching Hospital (BAUVTH) were selected; three controls per case from BAUVTH were then selected (n = 1,048). From records, data extracted included information on date of report, location, age, breed, sex and body weight of goats...
January 21, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28092864/augmentation-of-humoral-and-cellular-immunity-in-response-to-tetanus-and-diphtheria-toxoids-by-supercritical-carbon-dioxide-extracts-of-hippophae-rhamnoides-l-leaves
#11
Bindhya Jayashankar, Divya Singh, Himanshi Tanwar, K P Mishra, Swetha Murthy, Sudipta Chanda, Jigni Mishra, R Tulswani, K Misra, S B Singh, Lilly Ganju
Hippophae rhamnoides L. commonly known as Seabuckthorn (SBT), a wild shrub of family Elaegnacea, has extensively used for treating various ailments like skin diseases, jaundice, asthma, lung troubles. SBT leaves have been reported to possess several pharmacological properties including immunomodulatory, antioxidant, anti-inflammatory, antimicrobial and tissue regeneration etc. The present study was undertaken to evaluate the adjuvant property of supercritical carbon dioxide extracts (SCEs 300ET and 350ET) of SBT leaves in balb/c mice immunized with Tetanus and Diphtheria toxoids...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28087147/immune-responses-to-in-ovo-vaccine-formulations-containing-inactivated-fowl-adenovirus-8b-with-poly-di-sodium-carboxylatoethylphenoxy-phosphazene-pcep-and-avian-beta-defensin-as-adjuvants-in-chickens
#12
Mishal Sarfraz, Muhammed Suleman, Suresh K Tikoo, Colette Wheler, Andrew A Potter, Volker Gerdts, Arshud Dar
Inclusion body hepatitis (IBH) is one of the major viral infections causing substantial economic loss to the global poultry industry. The disease is characterized by a sudden onset of mortality (2-30%) and high morbidity (60-70%). IBH is caused by a number of serotypes of fowl adenovirus with substantially low levels of serotype cross protection. Thus far, there is no effective and safe vaccine commercially available in the North America for the control of IBH in chickens. Poly[di(sodium carboxylatoethylphenoxy)]phosphazene (PCEP) is a high molecular weight, biodegradable water soluble polymer that has been well characterized as a safe and effective adjuvant for a number of experimental veterinary vaccines...
February 7, 2017: Vaccine
https://www.readbyqxmd.com/read/28057602/formin-like-1-expression-is-increased-on-cd4-t-lymphocytes-in-spontaneous-autoimmune-uveitis
#13
Roxane L Degroote, Patrizia B Uhl, Barbara Amann, Angela M Krackhardt, Marius Ueffing, Stefanie M Hauck, Cornelia A Deeg
: The membrane protein expression repertoire of cells changes in course of activation. In equine recurrent uveitis (ERU), a spontaneous autoimmune disease in horses with relapsing and ultimately blinding inner eye inflammation, CD4+ T lymphocytes are the crucial pathogenic cells activated in the periphery directly prior to an inflammatory episode. In order to find relevant changes in the membrane proteome associated to disease, we sorted CD4+ lymphocytes and compared protein abundance from the generated proteome datasets of both healthy horses and ERU cases...
February 10, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28055579/guidelines-for-the-direct-detection-of-anaplasma-spp-in-diagnosis-and-epidemiological-studies
#14
Cornelia Silaghi, Ana Sofia Santos, Jacinto Gomes, Iva Christova, Ioana Adriana Matei, Gernot Walder, Ana Domingos, Lesley Bell-Sakyi, Hein Sprong, Friederike D von Loewenich, José A Oteo, José de la Fuente, J Stephen Dumler
The genus Anaplasma (Rickettsiales: Anaplasmataceae) comprises obligate intracellular Gram-negative bacteria that are mainly transmitted by ticks, and currently includes six species: Anaplasma bovis, Anaplasma centrale, Anaplasma marginale, Anaplasma phagocytophilum, Anaplasma platys, and Anaplasma ovis. These have long been known as etiological agents of veterinary diseases that affect domestic and wild animals worldwide. A zoonotic role has been recognized for A. phagocytophilum, but other species can also be pathogenic for humans...
January 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28035261/cellular-and-humoral-immunity-in-a-wild-mammal-variation-with-age-sex-and-association-with-overwinter-survival
#15
Rebecca L Watson, Tom N McNeilly, Kathryn A Watt, Josephine M Pemberton, Jill G Pilkington, Martin Waterfall, Phoebe R T Hopper, Daniel Cooney, Rose Zamoyska, Daniel H Nussey
Immune defenses are expected to be crucial for survival under the considerable parasite pressures experienced by wild animals. However, our understanding of the association between immunity and fitness in nature remains limited due to both the complexity of the vertebrate immune system and the often-limited availability of immune reagents in nonmodel organisms. Here, we use methods and reagents developed by veterinary researchers for domestic ungulates on blood samples collected from a wild Soay sheep population, to evaluate an unusually broad panel of immune parameters...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/27995337/functional-characterization-of-recombinant-major-envelope-protein-rb2l-of-orf-virus
#16
Revanaiah Yogisharadhya, Amit Kumar, Raghavendra Ramappa, Gnanavel Venkatesan, Veerakyathappa Bhanuprakash, Sathish Bhadravati Shivachandra
Orf, or contagious ecthyma, a highly contagious transboundary disease of sheep and goats, is caused by a double-stranded DNA virus (ORFV) belonging to the genus Parapoxvirus of the family Poxviridae. The ORFV genome encodes the major envelope proteins B2L and F1L, which have been found to be highly immunogenic and have multiple functional characteristics. In order to investigate the functional properties of the B2L protein, in this study, the B2L gene of ORFV strain 59/05, encoding recombinant mature B2L (aa 1M-D334), was produced as a fusion protein in Escherichia coli...
December 19, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27987414/targeting-antigens-to-dec-205-on-dendritic-cells-induces-a-higher-immune-response-in-chickens-hemagglutinin-of-avian-influenza-virus-example
#17
David Jáuregui-Zúñiga, Martha Pedraza-Escalona, Gerardo Pavel Espino-Solís, Verónica Quintero-Hernández, Alejandro Olvera-Rodríguez, Marco Aurelio Díaz-Salinas, Susana López, Lourival Domingos Possani
It is widely known that targeting a variety of antigens to the DEC-205 receptor on dendritic cells (DCs) significantly potentiate immunity. This communication reports the development of a new murine monoclonal antibody (mAb) against the chicken DEC-205, using as immunogen the carbohydrate recognition domain-2 (CRD-2) heterologously expressed. This mAb recognizes a protein band of 250kDa by immunoprecipitation analysis and shows strong cross-reactivity with human and pig DEC-205. Furthermore, the hemagglutinin (HA) of avian influenza H5N2 virus was cloned and expressed using insect cell-baculovirus expression system...
December 9, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27968757/a-pilot-study-exploring-the-plasma-potassium-variation-in-dogs-undergoing-steroid-therapy-and-its-clinical-importance
#18
Marina Baltar, Alexandra Costa, L Miguel Carreira
In most situations in veterinary medicine, glucocorticoids are the drugs of choice used, that is, to reduce the inflammatory response or limit an inappropriate immune response. Their use in long-term therapy may cause side effects that may weaken the patient. The aim of the study was to evaluate possible variations in the plasma potassium concentrations and their clinical relevance in dogs undergoing steroid therapy with methylprednisolone in anti-inflammatory doses. The study used a sample of 21 dogs (n = 21) presented for consultation, with a clinical condition requiring a corticosteroid therapeutic protocol with an anti-inflammatory dose of methylprednisolone...
June 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/27966020/application-of-western-blot-analysis-for-the-diagnosis-of-encephalitozoon-cuniculi-infection-in-rabbits-example-of-a-quantitative-approach
#19
Guillaume Desoubeaux, Ana Pantin, Roman Peschke, Anja Joachim, Carolyn Cray
Diagnosis of Encephalitozoon cuniculi infection in rabbits remains a major veterinary issue. ELISA or immunofluorescence assays are the current reference standards of serological tests. However, these conventional techniques suffer from a lack of accuracy for distinguishing active from past infections, as a positive serostatus is common in clinically normal rabbits. In this study, we assessed the diagnostic performance of Western blot (WB) to detect both anti-E. cuniculi immunoglobulin G (IgG) and immunoglobulin M (IgM) in comparison with ELISA and to address the intensity of the immune response through a quantitative approach...
February 2017: Parasitology Research
https://www.readbyqxmd.com/read/27956775/relationship-between-hepcidin-and-oxidant-antioxidant-status-in-calves-with-suspected-neonatal-septicemia
#20
E E Erkilic, H M Erdogan, M Ogun, A H Kirmizigul, E Gokce, M Kuru, A Kukurt
AIM: This study has been conducted for the purpose of determining serum hepcidin, total antioxidant status (TAS), total oxidant status (TOS), and Fe levels in calves with suspected neonatal septicemia before and after treatment and the clinical significance of hepcidin in calves with suspected neonatal septicemia. MATERIALS AND METHODS: The study material consisted of 15 calves of different ages and sexes brought to the Training, Research and Application Center at the Kafkas University Faculty of Veterinary Medicine with suspected neonatal septicemia...
November 2016: Veterinary World
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