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https://www.readbyqxmd.com/read/28723967/epitope-determination-of-immunogenic-proteins-of-neisseria-gonorrhoeae
#1
Daniel O Connor, Lena Danckert, Sebastian Hoppe, Frank F Bier, Markus von Nickisch-Rosenegk
Neisseria gonorrhoeae is the causative organism of gonorrhoea, a sexually transmitted disease that globally accounts for an estimated 80 to 100 million new infections per year. Increasing resistances to all common antibiotics used for N. gonorrhoeae treatment pose the risk of an untreatable disease. Further knowledge of ways of infection and host immune response are needed to understand the pathogen-host interaction and to discover new treatment alternatives against this disease. Therefore, detailed information about immunogenic proteins and their properties like epitope sites could advance further research in this area...
2017: PloS One
https://www.readbyqxmd.com/read/28721859/immunogenicity-and-safety-of-the-inactivated-hepatitis-a-vaccine-in-children-with-juvenile-idiopathic-arthritis-on-methotrexate-treatment-a-matched-case-control-study
#2
Despoina N Maritsi, Susan E Coffin, Ioanna Argyri, George Vartzelis, Nick Spyridis, Maria N Tsolia
OBJECTIVES: To describe the immunogenicity and side effects of immunisation against hepatitis A virus (HAV) in JIA patients on methotrexate treatment, who have not been previously exposed to HAV. METHODS: Case-control study performed in JIA patients and healthy controls matched on age and gender. The subjects received two doses of inactivated anti-HAV vaccine (720 mIU/ml) intramuscularly at 0 and 6 months. Seroconversion, seroprotection rates and anti-HAV-IgG titres were measured at 1, 7 and 18 months...
July 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28718520/putting-public-health-infrastructures-to-the-test-introducing-hpv-vaccination-in-austria-and-the-netherlands
#3
Katharina T Paul, Iris Wallenburg, Roland Bal
This article presents two cases of policymaking concerning the vaccine against Human Papilloma Virus (HPV), which is sexually transmitted and carcinogenic. Our analysis focuses on its introduction in Austria and the Netherlands. In both contexts, we find prevention and screening to be at once complementary and competing public health logics and we draw on the concept of 'infrastructure' to understand their roles in shaping the reception of the vaccine. We reveal how the HPV vaccine had to be made 'good enough', much like the Pap smear (Casper and Clarke ), by means of diverse tinkering practices that transformed both the technology and the infrastructures in which they emerged...
July 17, 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/28718500/neurofilament-light-as-an-immune-target-for-pathogenic-antibodies
#4
Fabiola Puentes, Baukje J van der Star, Stephanie D Boomkamp, Markus Kipp, Louis Boon, Isabel Bosca, Joel Raffel, Sharmilee Gnanapavan, Paul van der Valk, Jodie Stephenson, Susan C Barnett, David Baker, Sandra Amor
Antibodies to neuronal antigens are associated with many neurological diseases including paraneoplastic neurological disorders, epilepsy, amyotrophic lateral sclerosis and multiple sclerosis. Immunisation with neuronal antigens such as neurofilament light NF-L, a neuronal intermediate filament in axons, has been shown to induce neurological disease and spasticity in mice. Also, while antibodies to NF-L are widely used as surrogate biomarkers of axonal injury in amyotrophic lateral sclerosis and multiple sclerosis, it remains to be elucidated if antibodies to NF-L contribute to neurodegeneration and neurological disease...
July 17, 2017: Immunology
https://www.readbyqxmd.com/read/28715494/development-and-validation-of-novel-biomarker-assays-for-osteoarthritis
#5
Khadija Ourradi, Yunhe Xu, Dominique de Seny, John Kirwan, Ashley Blom, Mohammed Sharif
BACKGROUND: Osteoarthritis (OA) is the most common chronic joint disease usually diagnosed at relatively advanced stages when there is irreparable damage to the joint(s). Recently, we have identified two novel biomarkers C3f and V65 which appear to be OA-specific and therefore potential markers of early disease. We report the development of immunoassays for quantitative measure of these two novel biomarkers. METHOD: Monoclonal and polyclonal antibodies were generated by immunising mouse and rabbits respectively with peptide-carrier conjugates of C3f and V65...
2017: PloS One
https://www.readbyqxmd.com/read/28712127/mapping-progress-in-chronic-hepatitis-b-geographic-variation-in-prevalence-diagnosis-monitoring-and-treatment-2013-15
#6
Jennifer MacLachlan, Nicole Allard, Kylie Carville, Katelin Haynes, Benjamin Cowie
OBJECTIVE: To measure progress towards Australia's National Hepatitis B Strategy 2014-17 targets, and assess geographic variation in disease burden and access to care for those living with chronic hepatitis B (CHB). METHODS: Data were generated from routinely collected sources, including risk-group prevalence and population data, infectious diseases notifications, Medicare records, and immunisation registry data, and assessed nationally and according to geographic area for 2013-15...
July 16, 2017: Australian and New Zealand Journal of Public Health
https://www.readbyqxmd.com/read/28711586/achieving-safe-effective-and-durable-zika-virus-vaccines-lessons-from-dengue
#7
REVIEW
Scott B Halstead
Newly proposed candidate Zika virus vaccines might or might not succeed in raising safe, effective, and durable protection against human Zika virus infections or syndromes. Analyses of a clinically tested and licensed dengue vaccine that failed to protect seronegative individuals from breakthrough or enhanced dengue infections suggest that poor T-cell immunity might have contributed to protection failure. Because of the similarity of Zika and dengue viruses, an analogous unwanted outcome might occur with some Zika virus vaccine designs...
July 12, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28711388/impact-of-13-valent-pneumococcal-conjugate-vaccine-on-pneumococcal-meningitis-in-children
#8
Jesus Ruiz-Contreras, Juan Picazo, Juan Casado-Flores, Fernando Baquero-Artigao, Teresa Hernández-Sampelayo, Enrique Otheo, Cristina Méndez, María Del Amo, César Balseiro
OBJECTIVES: To evaluate the impact of 13-valent pneumococcal conjugate vaccine on pneumococcal meningitis in children. METHODS: Children younger than 15years of age attending 27 hospitals in the Region of Madrid with confirmed pneumococcal meningitis were identified in a prospective surveillance study, from 2007 to 2015. Clinical data, neurological sequelae, pneumococcal vaccination status, serotyping and antibiotic susceptibility were recorded. RESULTS: One hundred and four cases of pneumococcal meningitis were identified, 63 during the period of routine 7-valent pneumococcal conjugate vaccine immunisation (May 2007-April 2010) and 41 during the period of 13-valent pneumococcal conjugate vaccine immunisation (May 2010-April 2015)...
July 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28708953/trends-of-influenza-b-during-the-2010-2016-seasons-in-two-regions-of-north-and-south-italy-the-impact-of-the-vaccine-mismatch-on-influenza-immunisation-strategy
#9
Andrea Orsi, Giuseppina Maria Elena Colomba, Fanny Pojero, Giuseppe Calamusa, Cristiano Alicino, Cecilia Trucchi, Paola Canepa, Filippo Ansaldi, Francesco Vitale, Fabio Tramuto
Influenza A and B viruses are responsible for respiratory infections, representing globally seasonal threats to human health. The two viral types often co-circulate and influenza B plays an important role in the spread of infection. A 6-year retrospective surveillance study was conducted between 2010 and 2016 in two large administrative regions of Italy, located in the north (Liguria) and in the south (Sicily) of the country, in order to describe the burden and epidemiology of both B/Victoria and B/Yamagata lineages in different healthcare settings...
July 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28708951/control-of-a-community-outbreak-of-hepatitis-a-in-an-area-of-low-endemicity-wales-2016
#10
J Vaz, C Floyd, B Mason, A G Shankar, H Lewis
Incidence of hepatitis A in Wales is low (average of 0.48/100,000 inhabitants from 2004-2015). We describe a community outbreak of hepatitis A involving 3 schools (primary and secondary) in South Wales between March and June 2016 and reflect on the adequacy of the control measures used. Anyone in South Wales epidemiologically linked to a serological and/or RNA positive confirmed case of hepatitis A during the 15-50 days before onset of symptoms (diarrhoea, vomiting, fever, nausea, AND jaundice, or jaundice-associated symptom) was defined as a case...
July 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28706088/evaluating-the-importance-of-policy-amenable-factors-in-explaining-influenza-vaccination-a-cross-sectional-multinational-study
#11
Ana Wheelock, Marisa Miraldo, Angus Thomson, Charles Vincent, Nick Sevdalis
OBJECTIVES: Despite continuous efforts to improve influenza vaccination coverage, uptake among high-risk groups remains suboptimal. We aimed to identify policy amenable factors associated with vaccination and to measure their importance in order to assist in the monitoring of vaccination sentiment and the design of communication strategies and interventions to improve vaccination rates. SETTING: The USA, the UK and France. PARTICIPANTS: A total of 2412 participants were surveyed across the three countries...
July 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/28705462/effectiveness-of-a-group-b-outer-membrane-vesicle-meningococcal-vaccine-against-gonorrhoea-in-new-zealand-a-retrospective-case-control-study
#12
Helen Petousis-Harris, Janine Paynter, Jane Morgan, Peter Saxton, Barbara McArdle, Felicity Goodyear-Smith, Steven Black
BACKGROUND: Gonorrhoea is a major global public health problem that is exacerbated by drug resistance. Effective vaccine development has been unsuccessful, but surveillance data suggest that outer membrane vesicle meningococcal group B vaccines affect the incidence of gonorrhoea. We assessed vaccine effectiveness of the outer membrane vesicle meningococcal B vaccine (MeNZB) against gonorrhoea in young adults aged 15-30 years in New Zealand. METHODS: We did a retrospective case-control study of patients at sexual health clinics aged 15-30 years who were born between Jan 1, 1984, and Dec 31, 1998, eligible to receive MeNZB, and diagnosed with gonorrhoea or chlamydia, or both...
July 7, 2017: Lancet
https://www.readbyqxmd.com/read/28698120/effectiveness-of-formalin-killed-vaccines-containing-cpg-oligodeoxynucleotide-1668-adjuvants-against-vibrio-harveyi-in-orange-spotted-grouper
#13
Hai Trong Nguyen, Thuy Thi Thu Nguyen, Yi-Ting Wang, Pei-Chyi Wang, Shih-Chu Chen
Vibrio harveyi is a major bacterial pathogen that causes serious vibriosis in cultured groupers, leading to massive deaths. In this study, we evaluated the immune responses and protective efficacy of vaccines containing V. harveyi formalin-killed cells (FKC) formulated with CpG ODN 1668-enriched plasmids (p30CpG and p60CpG) in the orange-spotted grouper. Results indicated that antibody titres were remarkably increased in vaccinated fish 2 weeks post-immunisation. Expression level of major histocompatibility complex (MHC) class II, CD 8, and toll-like receptor 9 was significantly upregulated in the spleen of fish immunised with CpG ODN 1668-adjuvanted vaccines, as recorded at 6 weeks after immunisation...
July 8, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28697522/childhood-vaccination-against-seasonal-influenza-to-reduce-the-overall-burden-of-disease-ethical-perspectives
#14
Kyriakos Martakis, Kruthika Thangavelu, Peter Schröder-Bäck
Introduction Childhood immunisation against seasonal influenza promises to reduce the burden of disease through herd immunity. The option of intranasal vaccination seemed to offer a more acceptable vaccination for children, as they are perceived to be less invasive. Yet, intranasal vaccines have been recently proven not to be as effective as presumed. In Germany, contradictory recommendations of the Standing Committee on Vaccination (STIKO) first, to use and then, in October 2016, not use these vaccines have been issued for the 2016-2017 season, whereas recommendations not to use them were already issued in the USA (CDC, ACIP)...
July 11, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28693854/community-transmission-of-type-2-poliovirus-after-cessation-of-trivalent-oral-polio-vaccine-in-bangladesh-an-open-label-cluster-randomised-trial-and-modelling-study
#15
Mami Taniuchi, Michael Famulare, Khalequ Zaman, Md Jashim Uddin, Alexander M Upfill-Brown, Tahmina Ahmed, Parimalendu Saha, Rashidul Haque, Ananda S Bandyopadhyay, John F Modlin, James A Platts-Mills, Eric R Houpt, Mohammed Yunus, William A Petri
BACKGROUND: Trivalent oral polio vaccine (tOPV) was replaced worldwide from April, 2016, by bivalent types 1 and 3 oral polio vaccine (bOPV) and one dose of inactivated polio vaccine (IPV) where available. The risk of transmission of type 2 poliovirus or Sabin 2 virus on re-introduction or resurgence of type 2 poliovirus after this switch is not understood completely. We aimed to assess the risk of Sabin 2 transmission after a polio vaccination campaign with a monovalent type 2 oral polio vaccine (mOPV2)...
July 7, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28693751/cost-effectiveness-of-13-valent-pneumococcal-conjugate-vaccine-pcv13-in-older-australians
#16
S Dirmesropian, J G Wood, C R MacIntyre, P Beutels, P McIntyre, R Menzies, J F Reyes, C Chen, A T Newall
BACKGROUND: The 23-valent pneumococcal polysaccharide vaccine (PPV23) has been funded under the Australia National Immunisation Program (NIP) since January 2005 for those aged >65years and other risk groups. In 2016, PCV13 was accepted by the Pharmaceutical Benefits Advisory Committee (PBAC) as a replacement for a single dose of PPV23 in older Australian adults. METHODS: A single-cohort deterministic multi-compartment (Markov) model was developed describing the transition of the population between different invasive and non-invasive pneumococcal disease related health states...
July 7, 2017: Vaccine
https://www.readbyqxmd.com/read/28689773/the-toll-like-receptor-ligands-hiltonol-%C3%A2-polyiclc-and-imiquimod-effectively-activate-antigen-specific-immune-responses-in-tasmanian-devils-sarcophilus-harrisii
#17
Amanda L Patchett, Cesar Tovar, Lynn M Corcoran, A Bruce Lyons, Gregory M Woods
Devil facial tumour disease (DFTD) describes two genetically distinct transmissible tumours that pose a significant threat to the survival of the Tasmanian devil. A prophylactic vaccine could protect devils from DFTD transmission. For this vaccine to be effective, potent immune adjuvants will be required. Toll-like receptors (TLRs) promote robust immune responses in human cancer studies and are highly conserved across mammalian species. In this study, we investigated the proficiency of TLR ligands for immune activation in the Tasmanian devil using in vitro mononuclear cell stimulations and in vivo immunisation trials with a model antigen...
July 6, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28687247/bacterial-and-viral-pneumonia-new-insights-from-the-drakenstein-child-health-study
#18
REVIEW
Heather J Zar
Pneumonia remains the major cause of childhood morbidity and mortality globally, despite improved preventative strategies. Increasing evidence also links early life pneumonia with the development of chronic non-communicable respiratory diseases into childhood and adulthood. The Drakenstein Child Health Study is a unique, multidisciplinary, South African birth cohort, investigating the incidence, risk factors, aetiology and long term impact of early life pneumonia on child health. The study provides novel data showing a high incidence of pneumonia despite excellent immunisation coverage; that pneumonia is due to multiple pathogens; that dysbiosis of the nasopharyngeal flora precedes and predisposes to pneumonia; and that early life pneumonia results in reduced lung function...
June 11, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28686396/-recommendations-for-the-vaccination-of-pregnant-women-a-booster-injection
#19
Yolanda Mueller, Christiane Sigrid Eberhardt, Alessandro Diana, Begoña Martinez De Tejada
For several decades we have avoided the immunisation of pregnant women, with the only exception being that of the tetanus vaccination in the absence of a previous basic immunisation. Nowadays, it is strongly advised to give several vaccines specifically during pregnancy : maternal immunisations against pertussis and influenza have been shown to prevent complications in both the foetus and the newborn as well as the woman during pregnancy and after delivery. This article aims to review these recommendations, their rationale and to address potential concerns that are often raised by physicians and patients...
October 12, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28683141/isolation-of-serotype-specific-antibodies-against-dengue-virus-non-structural-protein-1-using-phage-display-and-application-in-a-multiplexed-serotyping-assay
#20
Kebaneilwe Lebani, Martina L Jones, Daniel Watterson, Andrea Ranzoni, Renee J Traves, Paul R Young, Stephen M Mahler
The multidimensional nature of dengue virus (DENV) infections, which can be caused by four distinct serotypes of the virus, complicates the sensitivity of assays designed for the diagnosis of infection. Different viral markers can be optimally detected at different stages of infection. Of particular clinical importance is the early identification of infection, which is pivotal for disease management and the development of blood screening assays. Non-structural protein 1 (NS1) is an early surrogate marker of infection and its detection in serum coincides with detectable viraemia...
2017: PloS One
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