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https://www.readbyqxmd.com/read/29784466/knowledge-gaps-persist-and-hinder-progress-in-eliminating-mumps
#1
REVIEW
R Ramanathan, E A Voigt, R B Kennedy, G A Poland
Mumps, a common childhood disease in the pre-vaccine era that causes swelling of the parotid salivary glands, can lead to orchitis, viral meningitis, and sensorineural deafness. While the incidence of disease decreased dramatically after the vaccine was added to standard vaccination schedules, the disease has made a substantial resurgence in recent years. As a result, it becomes critical to examine the factors involved in recurring outbreaks. Although low and incomplete vaccination coverage may be a key reason, it does not fully explain the issue due to the high rate of occurrence in populations with high vaccination coverage rates...
May 18, 2018: Vaccine
https://www.readbyqxmd.com/read/29780811/does-size-matter-to-models-exploring-the-effect-of-herd-size-on-outputs-of-a-herd-level-disease-spread-simulator
#2
Mary Van Andel, Tracey Hollings, Richard Bradhurst, Andrew Robinson, Mark Burgman, M Carolyn Gates, Paul Bingham, Tim Carpenter
Disease spread modeling is widely used by veterinary authorities to predict the impact of emergency animal disease outbreaks in livestock and to evaluate the cost-effectiveness of different management interventions. Such models require knowledge of basic disease epidemiology as well as information about the population of animals at risk. Essential demographic information includes the production system, animal numbers, and their spatial locations yet many countries with significant livestock industries do not have publically available and accurate animal population information at the farm level that can be used in these models...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29780771/proposal-for-cervical-cancer-screening-in-the-era-of-hpv-vaccination
#3
REVIEW
Yung-Taek Ouh, Jae Kwan Lee
Eradication of cervical cancer involves the expansion of human papillomavirus (HPV) vaccine coverage and the development of efficient screening guidelines that take vaccination into account. In Korea, the HPV National Immunization Program was launched in 2016 and is expected to shift the prevalence of HPV genotypes in the country, among other effects. The experiences of another countries that implement national immunization programs should be applied to Korea. If HPV vaccines spread nationwide with broader coverage, after a few decades, cervical intraepithelial lesions or invasive cancer should become a rare disease, leading to a predictable decrease in the positive predictive value of cervical screening cytology...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29780031/adolescent-self-consent-for-vaccinations-protocol-for-a-mixed-methods-systematic-review
#4
Harriet Fisher, Matthew Hickman, John Macleod, Suzanne Audrey
INTRODUCTION: The recent global expansion of routine adolescent vaccination programmes has the potential to protect young people against the acquisition of infectious disease and improve their health. Although in many countries the legal framework supports young people to provide consent for medical interventions if they are considered competent, written parental consent can act as a barrier to uptake as it is frequently a condition of adolescent vaccination programmes. The aim of this systematic review protocol is to document the methods which will be used to identify, appraise and synthesise the available qualitative and quantitative evidence to address: (1) whether implementation of adolescent self-consent procedures can increase vaccination uptake and (2) the barriers and facilitators to implementation of adolescent self-consent procedures...
May 20, 2018: BMJ Open
https://www.readbyqxmd.com/read/29779880/in-vitro-comparison-of-acyclovir-ganciclovir-and-cidofovir-against-equid-alphaherpesvirus-3-and-evaluation-of-their-efficacy-against-six-field-isolates
#5
María A Vissani, Osvaldo Zabal, María S Tordoya, Viviana Parreño, Etienne Thiry, María Barrandeguy
Equid alphaherpesvirus 3 (EHV3) is the etiological agent of equine coital exanthema (ECE), which is a venereal, highly contagious disease, characterized by the formation of papules, vesicles, pustules and ulcers on the external genitalia of mares and stallions. EHV3 remains in a latent state after a successful infection and there are latently infected animals in which the virus is reactivated and generally re-excreted subclinically. There are no available vaccines for this condition and prevention is based on the clinical examination of mares prior to mating, which allows to segregate those showing clinical signs...
May 17, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29778515/safety-and-immunogenicity-of-fractional-dose-intradermal-injection-of-two-quadrivalent-conjugated-meningococcal-vaccines
#6
Emile F F Jonker, Mariëtte B van Ravenhorst, Guy A M Berbers, Leo G Visser
BACKGROUND: Vaccination with conjugated meningococcal vaccines is the best way to prevent invasive meningococcal disease. Changes in serogroup epidemiology have led to the inclusion of quadrivalent vaccines in the national immunization programs of several countries, but vaccines are frequently in short supply. Intradermal administration has the potential to increase vaccine availability through dose reduction, without sacrificing efficacy. It has never before been investigated for glycoconjugate meningococcal vaccines...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29773139/systemic-humoral-immunity-in-beef-bulls-following-therapeutic-vaccination-against-tritrichomonas-foetus
#7
Christopher Alling, D Owen Rae, Xiaojie Ma, Laura Neumann, L Gene Lollis, Elizabeth Steele, John Yelvington, Hemant K Naikare, Heather Stockdale Walden, John Crews, Raoul Boughton
The utility of therapeutic vaccination of bulls against Tritrichomonas foetus has been advocated in previous studies, but anecdotal reports suggest this practice does not clear infections and may additionally confound diagnostic testing by reducing parasite burdens below detectable limits. The objective of this study was to characterize the systemic humoral immune response to therapeutic vaccination in T. foetus-infected bulls over a period of four months using an indirect ELISA and to compare the dynamics of this response to culture and PCR results to establish the existence of a relationship (or lack thereof) between immunization and infection status...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29769346/porcine-deltacoronavirus-accessory-protein-ns6-antagonizes-ifn-%C3%AE-production-by-interfering-with-the-binding-of-rig-i-mda5-to-double-stranded-rna
#8
Puxian Fang, Liurong Fang, Jie Ren, Yingying Hong, Xiaorong Liu, Yunyang Zhao, Dang Wang, Guiqing Peng, Shaobo Xiao
Porcine deltacoronavirus (PDCoV) has recently emerged as an enteric pathogen that can cause serious vomiting and diarrhea in suckling piglets. The first outbreak of PDCoV occurred in the United States in 2014 and was followed by reports of PDCoV in South Korea, China, Thailand, Lao people's Democratic Republic, and Vietnam, leading to economic losses for pig farms and posing considerable threat to the swine industry worldwide. Our previous studies have shown that PDCoV encodes three accessory proteins, NS6, NS7, and NS7a, but the functions of these proteins in viral replication, pathogenesis, and immune regulation remain unclear...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29764836/subcellular-localization-of-antigen-dictates-delivery-of-cd4-t-cell-help-for-the-ctl-response-upon-therapeutic-dna-vaccination-into-the-skin
#9
Nikolina Bąbała, Astrid Bovens, Evert de Vries, Victoria Iglesias-Guimarais, Tomasz Ahrends, Matthew F Krummel, Jannie Borst, Adriaan D Bins
In a mouse model of therapeutic DNA vaccination, we studied how the subcellular localization of vaccine protein impacts antigen delivery to professional antigen presenting cells (pAPCs) and efficiency of CTL priming. Cytosolic, membrane-bound, nuclear, and secretory versions of ZsGreen fluorescent protein, conjugated to MHC class I and -II ovalbumin (OVA) epitopes were expressed in keratinocytes by DNA vaccination into the skin. ZsGreen-OVA versions reached B cells in the skin-draining lymph node (dLN) that proved irrelevant for CTL priming...
May 15, 2018: Cancer Immunology Research
https://www.readbyqxmd.com/read/29761457/eupathdb-the-eukaryotic-pathogen-genomics-database-resource
#10
Susanne Warrenfeltz, Evelina Y Basenko, Kathryn Crouch, Omar S Harb, Jessica C Kissinger, David S Roos, Achchuthan Shanmugasundram, Fatima Silva-Franco
Fighting infections and developing novel drugs and vaccines requires advanced knowledge of pathogen's biology. Readily accessible genomic, functional genomic, and population data aids biological and translational discovery. The Eukaryotic Pathogen Database Resources ( http://eupathdb.org ) are data mining resources that support hypothesis driven research by facilitating the discovery of meaningful biological relationships from large volumes of data. The resource encompasses 13 sites that support over 170 species including pathogenic protists, oomycetes, and fungi as well as evolutionarily related nonpathogenic species...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29760705/induction-of-cytotoxic-t-lymphocyte-responses-upon-subcutaneous-administration-of-a-subunit-vaccine-adjuvanted-with-an-emulsion-containing-the-toll-like-receptor-3-ligand-poly-i-c
#11
Signe Tandrup Schmidt, Gabriel Kristian Pedersen, Malene Aaby Neustrup, Karen Smith Korsholm, Thomas Rades, Peter Andersen, Camilla Foged, Dennis Christensen
There is an unmet medical need for new subunit vaccines that induce cytotoxic T-lymphocyte (CTL) responses to prevent infection with a number of pathogens. However, stimulation of CTL responses via clinically acceptable subcutaneous (s.c.) and intramuscular (i.m.) injection is challenging. Recently, we designed a liposomal adjuvant [cationic adjuvant formulation (CAF)09] composed of the cationic lipid dimethyldioctadecylammonium (DDA) bromide, a synthetic monomycoloyl glycerol analog and polyinosinic:polycytidylic acid, which induce strong CTL responses to peptide and protein antigens after intraperitoneal administration...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29759377/diagnostic-diva-tests-accompanying-the-disabled-infectious-single-animal-disa-vaccine-platform-for-african-horse-sickness
#12
Piet A van Rijn, Mieke A Maris-Veldhuis, Jan Boonstra, René G P van Gennip
African Horse Sickness Virus (AHSV) (Orbivirus genus, Reoviridae family) causes high mortality in naïve domestic horses with enormous economic and socio-emotional impact. There are nine AHSV serotypes showing limited cross neutralization. AHSV is transmitted by competent species of Culicoides biting midges. AHS is a serious threat beyond the African continent as endemic Culicoides species in moderate climates transmit the closely related prototype bluetongue virus. There is a desperate need for safe and efficacious vaccines, while DIVA (Differentiating Infected from Vaccinated) vaccines would accelerate control of AHS...
May 11, 2018: Vaccine
https://www.readbyqxmd.com/read/29754770/skewing-effect-of-sulprostone-on-dendritic-cell-maturation-compared-with-dinoprostone
#13
Jenny Bulgarelli, Laura Fiammenghi, Serena Cassan, Anna Maria Granato, Massimiliano Petrini, Elena Pancisi, Valentina Soldati, Francesco De Rosa, Laura Ridolfi, Angela Riccobon, Massimo Guidoboni
BACKGROUND: Dendritic cells (DCs) are the most efficient antigen-presenting cells and act at the center of the immune system owing to their ability to control both immune tolerance and immunity. In cancer immunotherapy, DCs play a key role in the regulation of the immune response against tumors and can be generated ex vivo with different cytokine cocktails. METHODS: We evaluated the feasibility of dinoprostone (PGE2 ) replacement with the molecular analog sulprostone, in our good manufacturing practice (GMP) protocol for the generation of DC-based cancer vaccine...
May 10, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29751638/zika-virus-trafficking-and-interactions-in-the-human-male-reproductive-tract
#14
REVIEW
Lucia Regina Cangussu da Silva
Sexual transmission of Zika virus (ZIKV) is a matter of great concern. Infectious viral particles can be shed in semen for as long as six months after infection and can be transferred to male and female sexual partners during unprotected sexual intercourse. The virus can be found inside spermatozoa and could be directly transferred to the oocyte during fertilization. Sexual transmission of ZIKV can contribute to the rise in number of infected individuals in endemic areas as well as in countries where the mosquito vector does not thrive...
May 11, 2018: Pathogens
https://www.readbyqxmd.com/read/29751492/aluminum-adjuvant-containing-vaccines-in-the-context-of-the-hygiene-hypothesis-a-risk-factor-for-eosinophilia-and-allergy-in-a-genetically-susceptible-subpopulation
#15
REVIEW
Todd D Terhune, Richard C Deth
There are similarities between the immune response following immunization with aluminum adjuvants and the immune response elicited by some helminthic parasites, including stimulation of immunoglobulin E (IgE) and eosinophilia. Immunization with aluminum adjuvants, as with helminth infection, induces a Th2 type cell mediated immune response, including eosinophilia, but does not induce an environment conducive to the induction of regulatory mechanisms. Helminths play a role in what is known as the hygiene hypothesis, which proposes that decreased exposure to microbes during a critical time in early life has resulted in the increased prevalence and morbidity of asthma and atopic disorders over the past few decades, especially in Western countries...
May 3, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29746872/the-contribution-of-the-dna-microarray-technology-to-gene-expression-profiling-in-leishmania-spp-a-retrospective
#16
REVIEW
Ana Alonso, Vicente Larraga, Pedro J Alcolea
The first genome project of any living organism excluding viruses, the gammaproteobacteria Haemophilus influenzae, was completed in 1995. Until the last decade, genome sequencing was very tedious because genome survey sequences (GSS) and/or expressed sequence tags (ESTs) belonging to plasmid, cosmid and artificial chromosome genome libraries had to be sequenced and assembled in silico. Nowadays, no genome is completely assembled actually, because gaps and unassembled contigs are always remaining. However, most represent the whole genome of the organism of origin from a practical point of view...
May 7, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29745244/use-of-real-time-pcr-to-rule-out-marek-s-disease-in-the-diagnosis-of-peripheral-neuropathy
#17
Sesny Gall, László Kőrösi, Aneg L Cortes, Andrea Delveccio, Francesco Prandini, Peter Mitsch, Isabel M Gimeno
This article reports nine cases of neurological disease in brown layer pullets that occur in various European countries between 2015 and 2018. In all cases, the onset of neurological clinical signs was at 4-8 weeks of age and they lasted up to 22 weeks of age. Enlargement of peripheral nerves was the main lesion observed in all cases. Histopathological evaluation of nerves revealed edema with moderate to severe infiltration of plasma cells. Marek's disease (MD) was ruled out by real time PCR as none of the evaluated tissues had high load of oncogenic MD virus (MDV) DNA, characteristics of MD...
May 10, 2018: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/29744062/severe-pertussis-in-a-young-infant-due-to-household-transmission-the-needs-of-pertussis-vaccination-boosters-in-japan
#18
Daiji Takajo, Shigeaki Nonoyama
Household is responsible for a large percentage of pertussis infection in young infants. Japanese vaccine recommendation committee does not recommend any boosters for teens and pregnant women. Because of its high vaccine effectiveness, introduction of vaccination for pregnant women is high priority to prevent pertussis infection in young infants.
May 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29743559/antigen-specific-primed-cytotoxic-t-cells-eliminate-tumour-cells-in-vivo-and-prevent-tumour-development-regardless-of-the-presence-of-anti-apoptotic-mutations-conferring-drug-resistance
#19
Paula Jaime-Sánchez, Elena Catalán, Iratxe Uranga-Murillo, Nacho Aguiló, Llipsy Santiago, Pilar M Lanuza, Diego de Miguel, Maykel A Arias, Julián Pardo
Cytotoxic CD8+ T (Tc) cells are the main executors of transformed and cancer cells during cancer immunotherapy. The latest clinical results evidence a high efficacy of novel immunotherapy agents that modulate Tc cell activity against bad prognosis cancers. However, it has not been determined yet whether the efficacy of these treatments can be affected by selection of tumoural cells with mutations in the cell death machinery, known to promote drug resistance and cancer recurrence. Here, using a model of prophylactic tumour vaccination based on the LCMV-gp33 antigen and the mouse EL4 T lymphoma, we analysed the molecular mechanism employed by Tc cells to eliminate cancer cells in vivo and the impact of mutations in the apoptotic machinery on tumour development...
May 9, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29743371/roles-of-fc-domain-and-exudation-in-l2-antibody-mediated-protection-against-human-papillomavirus
#20
Joshua W Wang, Wai Hong Wu, Tsui-Chin Huang, Margaret Wong, Kihyuck Kwak, Keiko Ozato, Chien-Fu Hung, Richard B S Roden
To address how L2-specific antibodies prevent human papillomavirus (HPV) infection of the genital tract we generated neutralizing monoclonal antibodies (MAbs) WW1, a rat IgG2a that binds L2 residues 17-36 (like mouse MAb RG1), and JWW3, a mouse IgG1 derivative of Mab24 specific to L2 residues 58-64. By Western blot, WW1 recognized L2 of 29/34 HPV genotypes tested, compared to only 13/34 for RG1, and 25/34 for JWW3. WW1 IgG and (Fab')2 bound HPV16 pseudovirions similarly, however whole IgG provided better protection against HPV vaginal challenge...
May 9, 2018: Journal of Virology
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