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https://www.readbyqxmd.com/read/29223483/differences-by-sex-in-igg-levels-following-infant-and-childhood-vaccinations-an-individual-participant-data-meta-analysis-of-vaccination-studies
#1
Anna G C Boef, Fiona R M van der Klis, Guy A M Berbers, Anne-Marie Buisman, Elisabeth A M Sanders, Jeanet M Kemmeren, Arie van der Ende, Hester E de Melker, Nynke Y Rots, Mirjam J Knol
BACKGROUND: If immune responses to vaccination differ between males and females, sex-specific vaccination schedules may be indicated. We systematically reanalysed childhood vaccination studies conducted in The Netherlands for sex-differences in IgG-responses. To assess the impact of potential sex-differences in IgG-responses, we explored sex-differences in vaccine failure/effectiveness and reactogenicity. METHODS: Six studies with IgG-measurements for 1577 children following infant pneumococcal (PCV7/PCV10/PCV13) and/or DTaP-IPV-Hib(-HepB) vaccinations, or the pre-school DTaP-IPV booster were included...
December 6, 2017: Vaccine
https://www.readbyqxmd.com/read/29217370/a-quality-improvement-initiative-to-increase-tdap-tetanus-diphtheria-acellular-pertussis-vaccination-coverage-among-direct-health-care-providers-at-a-children-s-hospital
#2
Changhong Jiang, LaQuita Whitmore-Sisco, Aditya H Gaur, Elisabeth E Adderson
OBJECTIVES: Health care providers (HCP) are at high risk of acquiring and transmitting pertussis to susceptible family members, co-workers, and patients. Public health authorities recommend administering a single dose of Tdap (tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis) vaccine to all adults, including HCP, to increase adult immunity to pertussis. We set a quality improvement goal to increase Tdap vaccination coverage among HCP who provided direct patient care at a children's hospital from 58% to 90% over 18 months...
December 4, 2017: Vaccine
https://www.readbyqxmd.com/read/29216588/nmr-study-of-mutations-of-glycine-52-of-the-catalytic-domain-of-diphtheria-toxin
#3
Simon Sauvé, Geneviève Gingras, Yves Aubin
Cross-reacting-material 197 (CRM197) is a naturally occurring non-toxic mutant of diphtheria toxin (DT) that is one of the few carrier protein used in the manufacture of polysaccharide vaccines targeting bacterial pathogens such as Neisseria meningitidis, Streptococcus pneumaniae and Haemophilus influenzae. A detailed explanation in structural terms for the lack of toxicity has started to emerge with the report of the X-ray structure of CRM197. Here, we present an NMR spectroscopy study of the wild-type catalytic domain of diphtheria toxin and the effects of mutations at residue 52 on its conformation...
December 2, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29208952/major-depletion-of-sox2-stem-cells-in-the-adult-pituitary-is-not-restored-which-does-not-affect-hormonal-cell-homeostasis-and-remodelling
#4
Heleen Roose, Benoit Cox, Matteo Boretto, Conny Gysemans, Annelies Vennekens, Hugo Vankelecom
The pituitary gland contains SOX2-expressing stem cells. However, their functional significance remains largely unmapped. We investigated their importance by depleting SOX2+ cells through diphtheria toxin (DT)-mediated ablation. DT treatment of adult Sox2CreERT2/+;R26iDTR/+ mice (after tamoxifen-induced expression of DT receptor in SOX2+ cells) resulted in 80% obliteration of SOX2+ cells in the endocrine pituitary, coinciding with reduced pituisphere-forming activity. Counterintuitively for a stem cell population, the SOX2+ cell compartment did not repopulate...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29199041/whole-cell-or-acellular-pertussis-vaccination-in-infancy-determines-igg-subclass-profiles-to-dtap-booster-vaccination
#5
Saskia van der Lee, Elisabeth A M Sanders, Guy A M Berbers, Anne-Marie Buisman
INTRODUCTION: Duration of protection against pertussis is shorter in adolescents who have been immunized with acellular pertussis (aP) in infancy compared with adolescents who received whole-cell pertussis (wP) vaccines in infancy, which is related to immune responses elicited by these priming vaccines. To better understand differences in vaccine induced immunity, we determined pertussis, diphtheria, and tetanus (DTaP) vaccine antigen-specific IgG subclass responses in wP- and aP-primed children before and after two successive DTaP booster vaccinations...
November 30, 2017: Vaccine
https://www.readbyqxmd.com/read/29198916/anxiety-related-adverse-events-following-immunization-aefi-a-systematic-review-of-published-clusters-of-illness
#6
Anagha Loharikar, Tiffany A Suragh, Noni E MacDonald, Madhava R Balakrishnan, Oleg Benes, Smaragda Lamprianou, Terri B Hyde, Michael M McNeil
BACKGROUND: Clusters of anxiety-related adverse events following immunization (AEFI) have been observed in several countries and have disrupted country immunization programs. We conducted a systematic literature review to characterize these clusters, to generate prevention and management guidance for countries. METHODS: We searched seven peer-reviewed databases for English language reports of anxiety-related AEFI clusters (≥2 persons) with pre-specified keywords across 4 categories: symptom term, cluster term, vaccine term, and cluster AEFI phenomenon term/phrase...
November 29, 2017: Vaccine
https://www.readbyqxmd.com/read/29196904/deletion-of-psbq-gene-in-cyanidioschyzon-merolae-reveals-the-function-of-extrinsic-psbq-in-psii
#7
Maksymilian Zienkiewicz, Tomasz Krupnik, Anna Drożak, Wioleta Wasilewska, Anna Golke, Elżbieta Romanowska
We have successfully produced single-cell colonies of C. merolae mutants, lacking the PsbQ' subunit in its PSII complex by application of DTA-aided mutant selection. We have investigated the physiological changes in PSII function and structure and proposed a tentative explanation of the function of PsbQ' subunit in the PSII complex. We have improved the selectivity of the Cyanidioschyzon merolae nuclear transformation method by the introduction of diphtheria toxin genes into the transformation vector as an auxiliary selectable marker...
December 1, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/29196442/nephron-progenitor-cell-death-elicits-a-limited-compensatory-response-associated-with-interstitial-expansion-in-the-neonatal-kidney
#8
Sree Deepthi Muthukrishnan, Sergey Ryzhov, Michele Karolak, Leif Oxburgh
The final nephron number in an adult kidney is regulated by nephron progenitor cell availability and collecting duct branching in the fetal period. Fetal environmental perturbations that cause reductions in cell numbers in these two compartments result in low nephron endowment. Previous work has shown that maternal dietary factors influence nephron progenitor cell availability, with both caloric restriction and protein deprivation leading to reduced cell numbers through apoptosis. In this study, we evaluate the consequences of inducing nephron progenitor cell death on progenitor niche dynamics and on nephron endowment...
December 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/29194019/an-analysis-of-factors-associated-with-influenza-pneumoccocal-tdap-and-herpes-zoster-vaccine-uptake-in-the-us-adult-population-and-corresponding-inter-state-variability
#9
Elizabeth M La, Laurel Trantham, Samantha K Kurosky, Dawn Odom, Emmanuel Aris, Cosmina Hogea
Despite longstanding recommendations for routine vaccination against influenza; pneumococcal; tetanus, diphtheria, acellular pertussis (Tdap); and herpes zoster (HZ) among the United States general adult population, vaccine uptake remains low. Understanding factors that influence adult vaccination and coverage variability beyond the national level are important steps toward developing targeted strategies for increasing vaccination coverage. A retrospective analysis was conducted using data from the Behavioral Risk Factor Surveillance System (2011-2014)...
December 1, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29188796/in-situ-regeneration-of-retinal-pigment-epithelium-by-gene-transfer-of-e2f2-a-potential-strategy-for-treatment-of-macular-degenerations
#10
D Kampik, M Basche, U F O Luhmann, K M Nishiguchi, J A E Williams, J Greenwood, S E Moss, H Han, S Azam, Y Duran, S J Robbie, J W B Bainbridge, D F Larkin, A J Smith, R R Ali
The retinal pigment epithelium (RPE) interacts closely with photoreceptors to maintain visual function. In degenerative diseases such as Stargardt disease and age-related macular degeneration, the leading cause of blindness in the developed world, RPE cell loss is followed by photoreceptor cell death. RPE cells can proliferate under certain conditions, suggesting an intrinsic regenerative potential, but so far this has not been utilised therapeutically. Here, we used E2F2 to induce RPE cell replication and thereby regeneration...
November 30, 2017: Gene Therapy
https://www.readbyqxmd.com/read/29185899/vaccination-coverage-and-factors-associated-with-adherence-to-the-vaccination-schedule-in-young-children-of-a-rural-area-in-burkina-faso
#11
Moubassira Kagoné, Maurice Yé, Eric Nébié, Ali Sie, Anja Schoeps, Heiko Becher, Olaf Muller, Ane Baerent Fisker
BACKGROUND: Vaccination is an important tool for reducing infectious disease morbidity and mortality. In the past, less than 80% of children 12-23 months of age were fully immunized in Burkina Faso. OBJECTIVES: To describe coverage and assess factors associated with adherence to the vaccination schedule in rural area Burkina Faso. METHODS: The study population was extracted from the Nouna Health and Demographic surveillance system cohort...
2017: Global Health Action
https://www.readbyqxmd.com/read/29182350/using-the-4-pillars-to-increase-vaccination-among-high-risk-adults-who-benefits
#12
Mary Patricia Nowalk, Krissy K Moehling, Song Zhang, Jonathan M Raviotta, Richard K Zimmerman, Chyongchiou J Lin
OBJECTIVES: To compare changes in vaccination rates (pneumococcal polysaccharide vaccine [PPSV]; tetanus, diphtheria, and pertussis [Tdap] vaccine; and influenza vaccine) among high-risk adults following an intervention (June 1, 2013, to January 31, 2015) that used the 4 Pillars Practice Transformation Program (4 Pillars Program). STUDY DESIGN: Post hoc analysis of data from a randomized controlled cluster trial. METHODS: Eighteen primary care practices received staff education, guidance for using the 4 Pillars Program, and support for a practice immunization champion...
November 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/29181956/infectious-diseases-in-poland-in-2015
#13
Małgorzata Sadkowska-Todys, Andrzej Zieliński, Mirosław P. Czarkowski
PURPOSE OF THE STUDY: This is the next annual analysis of the situation of infectious and parasitic diseases in Poland in 2015 within the framework of the Epidemiological Chronicle of Przegląd Epidemiologiczny - Epidemiological Review. Its purpose is to identify potential threats to the health of populations from infectious diseases occurring in Poland with reference to other parts of the globe. MATERIAL AND METHODS: This paper is an introduction to more detailed studies of the epidemiological situation of selected infectious diseases and summarizes the results of the surveillance of infectious diseases in Poland in 2015...
2017: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/29180031/will-we-have-new-pertussis-vaccines
#14
Camille Locht
Despite wide vaccination coverage with efficacious vaccines, pertussis is still not under control in any country. Two types of vaccines are available for the primary vaccination series, diphtheria/tetanus/whole-cell pertussis and diphtheria/tetanus/acellular pertussis vaccines, in addition to reduced antigen content vaccines recommended for booster vaccination. Using these vaccines, several strategies are being explored to counter the current pertussis problems, including repeated vaccination, cocoon vaccination and maternal immunization...
November 24, 2017: Vaccine
https://www.readbyqxmd.com/read/29179872/improving-skills-and-institutional-capacity-to-strengthen-adolescent-immunisation-programmes-and-health-systems-in-african-countries-through-hpv-vaccine-introduction
#15
Carine Dochez, Rosemary J Burnett, Symplice Mbola Mbassi, Fred Were, Andrew Musyoki, Daisy Trovoada, M Jeffrey Mphahlele
Several African countries have recently introduced or are currently introducing the HPV vaccine, either nationwide or through demonstration projects, while some countries are planning for introduction. A collaborative project was developed to strengthen country adolescent immunisation programmes and health systems in the African Region, addressing unique public health considerations of HPV vaccination: adolescents as the primary target group, delivery platforms (e.g. school-based and facility based), socio-behavioural issues, and the opportunity to deliver other health interventions alongside HPV vaccination...
December 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/29177407/a-two-centre-randomised-trial-of-an-additional-early-dose-of-measles-vaccine-effects-on-mortality-and-measles-antibody-levels
#16
Ane B Fisker, Eric Nebie, Anja Schoeps, Cesario Martins, Amabelia Rodrigues, Alphonse Zakane, Moubassira Kagone, Stine Byberg, Sanne M Thysen, Justin Tiendrebeogo, Boubacar Coulibaly, Osman Sankoh, Heiko Becher, Hilton C Whittle, Fiona R M van der Klis, Christine S Benn, Ali Sie, Olaf Müller, Peter Aaby
Background: Besides protecting against measles, measles vaccine (MV) may have beneficial non-specific effects. We tested the effect of an additional early MV on mortality and measles antibody levels. Methods: Children aged 4-7 months in two rural health and demographic surveillance sites in Burkina Faso and Guinea-Bissau were randomised 1:1 to an extra early standard dose of MV (Edmonston-Zagreb strain) or no extra MV 4 weeks after the third diphtheria-tetanus-pertussis-hepatitis B-Haemophilus-influenzae-type-b vaccine...
November 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29174081/tdap-vaccination-among-healthcare-personnel-21-states-2013
#17
Alissa C O'Halloran, Peng-Jun Lu, Sarah A Meyer, Walter W Williams, Pamela K Schumacher, Aaron L Sussell, Jan E Birdsey, Winifred L Boal, Marie Haring Sweeney, Sara E Luckhaupt, Carla L Black, Tammy A Santibanez
INTRODUCTION: Outbreaks of pertussis can occur in healthcare settings. Vaccinating healthcare personnel may be helpful in protecting healthcare personnel from pertussis and potentially limiting spread to others in healthcare settings. METHODS: Data from 21 states using the 2013 Behavioral Risk Factor Surveillance System industry/occupation module were analyzed in 2016. Tetanus, diphtheria, and acellular pertussis (Tdap) vaccination status was self-reported by healthcare personnel along with their occupation, healthcare setting/industry, demographics, and access to care factors...
November 16, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29172945/a-phase-i-randomized-controlled-dose-ranging-study-of-investigational-acellular-pertussis-ap-and-reduced-tetanus-diphtheria-acellular-pertussis-tdap-booster-vaccines-in-adults
#18
Geert Leroux-Roels, Maria Lattanzi, Claudia Dovali Solis, Mario Contorni, Marco Costantini, Luca Moraschini, Monia Bardelli, Sylvie Bertholet, Erica Borgogni, Francesca Buricchi, Rocco Cantisani, Elisa Faenzi, Oretta Finco, Rosanna Leuzzi, Mariagrazia Pizza, Domenico Rosa, Francesca Schiavetti, Anja Seubert, Fabiana Spensieri, Gianfranco Volpini, Luisanna Zedda, Giuseppe Del Giudice, Ilaria Galgani
Despite high vaccination coverage worldwide, pertussis has re-emerged in many countries. This randomized, controlled, observer-blind phase I study and extension study in Belgium (March 2012-June 2015) assessed safety and immunogenicity of investigational acellular pertussis vaccines containing genetically detoxified pertussis toxin (PT) (NCT01529645; NCT02382913). 420 healthy adults (average age: 26.8 ± 5.5 years, 60% female) were randomized to 1 of 10 vaccine groups: 3 investigational aP vaccines (containing pertussis antigens PT, filamentous hemagglutinin [FHA] and pertactin [PRN] at different dosages), 6 investigational TdaP (additionally containing tetanus toxoid [TT] and diphtheria toxoid [DT]), and 1 TdaP comparator containing chemically inactivated PT...
November 27, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29171990/development-of-nanoparticle-adjuvants-to-potentiate-the-immune-response-against-diphtheria-toxoid
#19
Fatimah M Alshanqiti, Saad Berki Al-Masaudi, Ahmed M Al-Hejin, Nawal Abd El-Baky, Elrashdy M Redwan
BACKGROUND: Over the years, diphtheria was known as contagious fatal infection caused by Corynebacterium diphtheria that affects upper respiratory system. The spread of diphtheria epidemic disease is best prevented by vaccination with diphtheria toxoid vaccine. Aluminum adjuvants were reported to stimulate the immune responses to killed and subunit vaccines. OBJECTIVE: Our study aimed to minimize adjuvant particles size, to gain insight of resulting immunity titer and impact on immune response antibody subtypes...
June 30, 2017: Human Antibodies
https://www.readbyqxmd.com/read/29166874/efficacy-and-safety-of-pertussis-vaccination-for-pregnant-women-a-systematic-review-of-randomised-controlled-trials-and-observational-studies
#20
Marie Furuta, Jacqueline Sin, Edmond S W Ng, Kay Wang
BACKGROUND: Worldwide, pertussis remains a major health problem among children. During the recent outbreaks of pertussis, maternal antenatal immunisation was introduced in several industrial countries. This systematic review aimed to synthesize evidence for the efficacy and safety of the pertussis vaccination that was given to pregnant women to protect infants from pertussis infection. METHODS: We searched literature in the Cochrane Central Register of Controlled Trials, Medline, Embase, and OpenGrey between inception of the various databases and 16 May 2016...
November 22, 2017: BMC Pregnancy and Childbirth
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