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https://www.readbyqxmd.com/read/28937601/humoral-response-of-buffaloes-to-a-recombinant-vaccine-against-botulism-serotypes-c-and-d
#1
Denis Y Otaka, José D Barbosa, Clóvis Moreira, Marcos R A Ferreira, Carlos E P Cunha, Antônio R S Brito, Rafael A Donassolo, Ângela N Moreira, Fabrício R Conceição, Felipe M Salvarani
Botulism is a fatal intoxication caused by botulinum neurotoxins (BoNTs), which are mainly produced by Clostridium botulinum and characterized by flaccid paralysis. The BoNTs C and D are the main serotypes responsible for botulism in animals, including buffaloes. Botulism is one of the leading causes of death in adult ruminants in Brazil due to the high mortality rates, even though botulism in buffaloes is poorly reported and does not reflect the real economic impact of this disease in Brazilian herds. Vaccination is reported as the most important prophylactic measure for botulism control, although there are no specific vaccines commercially available for buffaloes in Brazil...
September 22, 2017: Toxins
https://www.readbyqxmd.com/read/28929958/-screening-of-corynebacterium-diphtheriae-corynebacterium-ulcerans-and-corynebacterium-pseudotuberculosis-in-throat-swab-specimens-of-children-with-upper-respiratory-tract-infections
#2
Zeynep Gökçe Gayretli Aydın, Gönül Tanır, Selin Nar Ötgün, Meral Turan, Türkan Aydın Teke, Ayşe Kaman, Selçuk Kılıç
Although a significant decrease has been reported in the incidence of diphteria in many regions of the world following the routine diphtheria immunization programs, the emergence of new cases indicated that toxigenic strains are still circulating in the community. Diphtheria vaccine does not provide protection against asymptomatic carriage and colonization of non-toxigenic Corynebacterium diphtheriae. It is a known fact that invasive infections may arise from non-toxigenic C.diphtheriae strains that the non-toxigenic strains can become toxigenic strains leading to diphteria...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28926632/risk-analysis-of-inter-species-reassortment-through-a-rift-valley-fever-phlebovirus-mp-12-vaccine-strain
#3
Hoai J Ly, Nandadeva Lokugamage, Shoko Nishiyama, Tetsuro Ikegami
Rift Valley fever (RVF) is a mosquito-borne zoonotic disease endemic to Africa and the Arabian Peninsula. The causative agent, Rift Valley fever phlebovirus (RVFV), belongs to the genus Phlebovirus in the family Phenuiviridae and causes high rates of abortions in ruminants, and hemorrhagic fever, encephalitis, or blindness in humans. Viral maintenance by mosquito vectors has led to sporadic RVF outbreaks in ruminants and humans in endemic countries, and effective vaccination of animals and humans may minimize the impact of this disease...
2017: PloS One
https://www.readbyqxmd.com/read/28922369/crimean-congo-hemorrhagic-fever-virus-nucleocapsid-protein-has-dual-rna-binding-modes
#4
Subbiah Jeeva, Sean Pador, Brittany Voss, Safder Saieed Ganaie, Mohammad Ayoub Mir
Crimean Congo hemorrhagic fever, a zoonotic viral disease, has high mortality rate in humans. There is currently no vaccine for Crimean Congo hemorrhagic fever virus (CCHFV) and chemical interventions are limited. The three negative sense genomic RNA segments of CCHFV are specifically encapsidated by the nucleocapsid protein into three ribonucleocapsids, which serve as templates for the viral RNA dependent RNA polymerase. Here we demonstrate that CCHFV nucleocapsid protein has two distinct binding modes for double and single strand RNA...
2017: PloS One
https://www.readbyqxmd.com/read/28919454/a-robust-immune-system-conditions-the-response-to-abagovomab-anti-idiotypic-monoclonal-antibody-mimicking-the-ca125-protein-vaccination-in-ovarian-cancer-patients
#5
Alessandra Battaglia, Marco Fossati, Alexia Buzzonetti, Giovanni Scambia, Andrea Fattorossi
INTRODUCTION: Despite encouraging phase I and II study results, vaccination of ovarian cancer patients with abagovomab - an anti-idiotypic mAb that mimics the ovarian cancer CA125 protein - failed to demonstrate efficacy in the phase III trial named MIMOSA (NCT00418574). We postulated that in this trial patients with a more robust immune system did respond to abagovomab but went undetected among a larger number of non-responders. We also postulated that assessment of the immune system status ahead of abagovomab administration might predict patients' propensity to respond to abagovomab...
September 14, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28918399/inactivated-influenza-vaccination-in-first-trimester-does-not-appear-to-increase-risk-of-birth-defects
#6
Annette Regan
No abstract text is available yet for this article.
September 16, 2017: Evidence-based Nursing
https://www.readbyqxmd.com/read/28917295/association-of-spontaneous-abortion-with-receipt-of-inactivated-influenza-vaccine-containing-h1n1pdm09-in-2010-11-and-2011-12
#7
James G Donahue, Burney A Kieke, Jennifer P King, Frank DeStefano, Maria A Mascola, Stephanie A Irving, T Craig Cheetham, Jason M Glanz, Lisa A Jackson, Nicola P Klein, Allison L Naleway, Eric Weintraub, Edward A Belongia
INTRODUCTION: Inactivated influenza vaccine is recommended in any stage of pregnancy, but evidence of safety in early pregnancy is limited, including for vaccines containing A/H1N1pdm2009 (pH1N1) antigen. We sought to determine if receipt of vaccine containing pH1N1 was associated with spontaneous abortion (SAB). METHODS: We conducted a case-control study over two influenza seasons (2010-11, 2011-12) in the Vaccine Safety Datalink. Cases had SAB and controls had live births or stillbirths and were matched on site, date of last menstrual period, and age...
September 25, 2017: Vaccine
https://www.readbyqxmd.com/read/28915918/a-longitudinal-study-of-serological-responses-to-coxiella-burnetii-and-shedding-at-kidding-among-intensively-managed-goats-supports-early-use-of-vaccines
#8
Michael Muleme, Angus Campbell, John Stenos, Joanne M Devlin, Gemma Vincent, Alexander Cameron, Stephen Graves, Colin R Wilks, Simon Firestone
Vaccination against Coxiella burnetii, the cause of Q fever, is reportedly the only feasible strategy of eradicating infection in ruminant herds. Preventive vaccination of seronegative goats is more effective in reducing shedding of C. burnetii than vaccinating seropositive goats. The age at which goats born on heavily-contaminated farms first seroconvert to C. burnetii has not yet been documented. In a 16-month birth cohort study, the age at which goats seroconverted against C. burnetii was investigated; 95 goats were bled every 2 weeks and tested for antibodies against C...
September 15, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28904998/parallel-evolution-of-group-b-streptococcus-hypervirulent-clonal-complex-17-unveils-new-pathoadaptive-mutations
#9
Alexandre Almeida, Isabelle Rosinski-Chupin, Céline Plainvert, Pierre-Emmanuel Douarre, Maria J Borrego, Claire Poyart, Philippe Glaser
Group B Streptococcus (GBS) is a commensal of the gastrointestinal and genitourinary tracts, while a prevailing cause of neonatal disease worldwide. Of the various clonal complexes (CCs), CC17 is overrepresented in GBS-infected newborns for reasons that are still largely unknown. Here, we report a comprehensive genomic analysis of 626 CC17 isolates collected worldwide, identifying the genetic traits behind their successful adaptation to humans and the underlying differences between carriage and clinical strains...
September 2017: MSystems
https://www.readbyqxmd.com/read/28904193/mutations-in-the-fusion-protein-of-measles-virus-that-confer-resistance-to-the-membrane-fusion-inhibitors-carbobenzoxy-d-phe-l-phe-gly-and-as-48
#10
Michael N Ha, Sébastien Delpeut, Ryan S Noyce, Gary Sisson, Karen M Black, Liang-Tzung Lin, Darius Bilimoria, Richard K Plemper, Gilbert G Privé, Christopher D Richardson
The inhibitors Z-d-Phe-l-Phe Gly (fusion inhibitor peptide, FIP) and AS-48 have similar efficacy in blocking membrane fusion and syncytia formation mediated by measles virus. Other homologues such as Z-d-Phe are less effective, but may act through the same mechanism. In an attempt to map the site of action of these inhibitors, we generated mutant viruses which were resistant to the inhibitory effects of Z-d-Phe-l-Phe Gly. These 10 mutations were localized to the heptad repeat region (HRB) of the fusion protein and no changes were observed in the viral hemagglutinin, which is the receptor attachment protein...
September 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28894188/second-generation-flagellin-rpac-fusion-protein-kfd2-rpac-shows-high-protective-efficacy-against-dental-caries-with-low-potential-side-effects
#11
Jingyi Yang, Ying Sun, Rong Bao, Dihan Zhou, Yi Yang, Yuan Cao, Jie Yu, Bali Zhao, Yaoming Li, Huimin Yan, Maohua Zhong
Dental caries is one of the most common global chronic diseases affecting all ages of the population; thus a vaccine against caries is urgently needed. Our previous studies demonstrated that a fusion protein, KF-rPAc, in which rPAc of S. mutans is directly fused to the C-terminal of E. coli-derived flagellin (KF), could confer high prophylactic and therapeutic efficiency against caries. However, possible side effects, including the high antigenicity of flagellin and possible inflammatory injury induced by flagellin, may restrict its clinical usage...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28888957/investigating-toxicity-specific-to-adjuvanted-vaccines
#12
Mineo Matsumoto, Shin-Ichi Komatsu, Takanori Ikeda, Kazuhiro Shimomura, Kazuto Watanabe, Keiji Hirabayadi, Jun-Ichi Sawada, Kazushige Maki, Kazutoshi Shinoda, Osamu Fueki, Hiroshi Onodera
In an attempt to understand the unique toxicity of adjuvanted vaccines, we studied how toxicity develops over time following vaccine administration. In addition to on- and off-target toxicity typically observed with general pharmaceuticals, we observed toxicity associated with both the generation and the broad action of effectors (antibodies and/or cytotoxic T lymphocytes, CTLs). The impact on effector generation appears to be related to local tolerance specific to the adjuvant. The vaccine immune response by effectors serves to demonstrate species relevance as outlined in the recent WHO guideline on the nonclinical evaluation of adjuvanted vaccines...
September 6, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28886947/using-campaigns-to-improve-perceptions-of-the-value-of-adult-vaccination-in-the-united-states-health-communication-considerations-and-insights
#13
REVIEW
Glen J Nowak, Angela K Shen, Jason L Schwartz
Vaccines have much relevance and promise for improving adult health in the United States, but to date, overall use and uptake remain far below desired levels. Many adults have not received recommended vaccinations and many healthcare providers do not strongly and actively encourage their use with patients. This has led some public health and medical experts to conclude that adult vaccines are severely undervalued by the U.S. public and healthcare providers and to call for campaigns and communication-based efforts to foster increased appreciation, and in turn, higher adult immunization rates...
September 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28886946/postmarketing-safety-surveillance-of-trivalent-recombinant-influenza-vaccine-reports-to-the-vaccine-adverse-event-reporting-system
#14
Emily Jane Woo, Pedro L Moro, Maria Cano, Christopher Jankosky
On January 16, 2013, the Food and Drug Administration approved recombinant hemagglutinin influenza vaccine (RIV3) (Spodoptera frugiperda cell line; Flublok), which is the first completely egg-free flu vaccine licensed in the United States. To improve our understanding of the safety profile of this vaccine, we reviewed and summarized reports to the Vaccine Adverse Event Reporting System (VAERS) following RIV3. Through June 30, 2016, VAERS received 88 reports. Allergic reactions, including anaphylaxis, were the most common type of adverse event...
September 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28886145/application-of-a-whole-blood-mycobacterial-growth-inhibition-assay-to-study-immunity-against-mycobacterium-tuberculosis-in-a-high-tuberculosis-burden-population
#15
Richard Baguma, Adam Penn-Nicholson, Erica Smit, Mzwandile Erasmus, Jonathan Day, Lebohang Makhethe, Marwou de Kock, E Jane Hughes, Michele van Rooyen, Bernadette Pienaar, Lynnett Stone, Willem Hanekom, Michael J Brennan, Robert S Wallis, Mark Hatherill, Thomas J Scriba
The determinants of immunological protection against Mycobacterium tuberculosis (M.tb) infection in humans are not known. Mycobacterial growth inhibition assays have potential utility as in vitro surrogates of in vivo immunological control of M.tb. We evaluated a whole blood growth inhibition assay in a setting with high burden of TB and aimed to identify immune responses that correlate with control of mycobacterial growth. We hypothesized that individuals with underlying M.tb infection will exhibit greater M...
2017: PloS One
https://www.readbyqxmd.com/read/28883976/prospecting-for-an-hiv-vaccine
#16
REVIEW
D M Brett-Major, T A Crowell, N L Michael
Human immunodeficiency virus (HIV) sets several challenges for the development of a preventative HIV vaccine. Predictable, protective natural immunity against HIV does not occur and so unlike most other diseases for which vaccines exist, there are few guideposts from natural infection. Nonetheless, six vaccine efficacy trials have occurred. One in particular, the Thai trial called RV144, showed partial protective efficacy and potential ways ahead to a better vaccine approach. This coupled with other lessons from studies of acute infections as well as an increasingly complex knowledge of HIV-related vaccine immunology bring hope that a vaccine solution might be reached for this pervasive and deadly pandemic...
2017: Tropical Diseases, Travel Medicine and Vaccines
https://www.readbyqxmd.com/read/28882441/generation-of-a-novel-live-rabies-vaccine-strain-with-a-high-level-of-safety-by-introducing-attenuating-mutations-in-the-nucleoprotein-and-glycoprotein
#17
Keisuke Nakagawa, Kento Nakagawa, Tsutomu Omatsu, Yukie Katayama, Mami Oba, Hiromichi Mitake, Kazuma Okada, Satoko Yamaoka, Yasuhiro Takashima, Tatsunori Masatani, Kota Okadera, Naoto Ito, Tetsuya Mizutani, Makoto Sugiyama
The current live rabies vaccine SAG2 is attenuated by only one mutation (Arg-to-Glu) at position 333 in the glycoprotein (G333). This fact generates a potential risk of the emergence of a pathogenic revertant by a back mutation at this position during viral propagation in the body. To circumvent this risk, it is desirable to generate a live vaccine strain highly and stably attenuated by multiple mutations. However, the information on attenuating mutations other than that at G333 is very limited. We previously reported that amino acids at positions 273 and 394 in the nucleoprotein (N273/394) (Leu and His, respectively) of fixed rabies virus Ni-CE are responsible for the attenuated phenotype by enhancing interferon (IFN)/chemokine gene expressions in infected neural cells...
September 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28881547/-health-economic-evaluation-of-bivalent-human-papilloma-virus-vaccine-in-china-based-on-the-dynamic-model
#18
X B Song, Q J Zhao, Z Zhou, Y Fang
Objective: This study aims to evaluate the prevention effect and cost-effectiveness of a prophylactic bivalent human papilloma virus (HPV) vaccine. Methods: A multiple health status dynamic model was developed, including natural history of diseases and prevention strategies. We built 19 prevention strategies including visual inspection with acetic acid/lugol's iodine (VIA/VILI) and/or 3 does prophylactic bivalent HPV vaccine administered to adolescent girls at the age of 15 years old every year under the assumption that vaccine coverage and screening coverage were 70%...
September 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28879788/development-of-an-epitope-based-hiv-1-vaccine-strategy-from-hiv-1-lipopeptide-to-dendritic-based-vaccines
#19
Mathieu Surenaud, Christine Lacabaratz, Gérard Zurawski, Yves Lévy, Jean-Daniel Lelièvre
Development of a safe, effective and globally affordable Human Immunodeficiency Virus strain 1 (HIV-1) vaccine offers the best hope for future control of the HIV-1 pandemic. However, with the exception of the recent RV144 trial, which elicited a modest level of protection against infection, no vaccine candidate has shown efficacy in preventing HIV-1 infection or in controlling virus replication in humans. There is also a great need for a successful immunotherapeutic vaccine since combination antiretroviral therapy (cART) does not eliminate the reservoir of HIV-infected cells...
September 7, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28878074/cooperation-of-the-ebola-proteins-vp40-and-gp1-2-with-bst2-to-activate-nf-%C3%AE%C2%BA%C3%AE-independently-of-virus-like-particle-trapping
#20
Maryan G Rizk, Christopher F Basler, John Guatelli
BST2 is a host protein with dual functions in response to viral infections: it traps newly assembled enveloped virions at the plasma membrane of infected cells, and it induces NF-κβ activity, especially in the context of retroviral assembly. In this study, we examined whether Ebola virus proteins affect BST2-mediated induction of NF-κβ. We found that the Ebola matrix protein, VP40, and envelope glycoprotein, GP, each cooperate with BST2 to induce NF-κβ activity, with maximal activity when all three proteins are expressed...
September 6, 2017: Journal of Virology
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