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Pertussis

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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
#1
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
https://www.readbyqxmd.com/read/29164393/bordetella-pertussis-virulence-factors-in-the-continuing-evolution-of-whooping-cough-vaccines-for-improved-performance
#2
REVIEW
Dorji Dorji, Frits Mooi, Osvaldo Yantorno, Rajendar Deora, Ross M Graham, Trilochan K Mukkur
Despite high vaccine coverage, whooping cough caused by Bordetella pertussis remains one of the most common vaccine-preventable diseases worldwide. Introduction of whole-cell pertussis (wP) vaccines in the 1940s and acellular pertussis (aP) vaccines in 1990s reduced the mortality due to pertussis. Despite induction of both antibody and cell-mediated immune (CMI) responses by aP and wP vaccines, there has been resurgence of pertussis in many countries in recent years. Possible reasons hypothesised for resurgence have ranged from incompliance with the recommended vaccination programmes with the currently used aP vaccine to infection with a resurged clinical isolates characterised by mutations in the virulence factors, resulting in antigenic divergence with vaccine strain, and increased production of pertussis toxin, resulting in dampening of immune responses...
November 21, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/29158617/pertussis-outbreak-in-polish-shooters-with-adverse-event-analysis
#3
Monika Skrzypiec-Spring, Jarosław Krzywański, Monika Karlikowska-Skwarnik, Andrzej Pokrywka, Hubert Krysztofiak, Aneta Nitsch-Osuch, Ernest Kuchar
In addition to different injuries, infections are the most common reason for giving up training altogether or reducing its volume and intensity, as well as a lack of opportunities to participate in sports competitions. Nowadays, a slow but constant re-emergence of pertussis, especially among teenagers and young adults, including athletes, can be observed. This paper describes an outbreak of pertussis among professional Polish shooters, focusing on the transmission of Bordetella pertussis infection between members of the national team, its influence on performance capacity and adverse event analysis...
September 2017: Biology of Sport
https://www.readbyqxmd.com/read/29155769/a-simple-approach-to-induce-experimental-autoimmune-neuritis-in-c57bl-6-mice-for-functional-and-neuropathological-assessments
#4
David G Gonsalvez, Jessica L Fletcher, Sang Won Yoo, Rhiannon J Wood, Simon S Murray, Junhua Xiao
Experimental autoimmune neuritis (EAN) is a well-appreciated experimental model of autoimmune peripheral demyelinating diseases. EAN disease is induced by immunizing mice with neurogenic peptides to direct an inflammatory attack toward components of the peripheral nervous system (PNS). Recent advances have enabled the induction of EAN in the relatively resistant C57BL/6 mouse line using myelin protein zero (P0)106-125 or P0180-199 peptides delivered in adjuvant combined with the injection of pertussis toxin...
November 9, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155677/expanding-pertussis-epidemiology-in-6-latin-america-countries-through-the-latin-american-pertussis-project
#5
Veronica A Pinell-McNamara, Anna M Acosta, Maria Cristina Pedreira, Ana F Carvalho, Lucia Pawloski, Maria Lucia Tondella, Elizabeth Briere
The Latin American Pertussis Project (LAPP), established in 2009, is a collaboration between the Centers for Disease Control and Prevention, Pan American Health Organization, Sabin Vaccine Institute, and the ministries of health of 6 countries in Latin America. The project goal is to expand understanding of pertussis epidemiology in Latin America to inform strategies for control and prevention. Here we describe LAPP structure and activities. After an initial surveillance evaluation, LAPP activities are tailored to individual country needs...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29153586/non-specific-effects-of-childhood-vaccinations-a-case-control-study-nested-into-a-health-and-demographic-surveillance-system-in-rural-burkina-faso
#6
G Pfeiffer, A B Fisker, E Nebié, J Hengelbrock, A Sié, H Becher, O Müller
INTRODUCTION: Previous studies in African countries have been suggestive of non-specific effects (NSE) of vaccination on child survival. Live vaccines (e.g. measles, MV) have been found to reduce child mortality while inactivated vaccines (e.g. diphtheria-tetanus-pertussis, DTP) have been associated with increased mortality; NSE were often found to be sex-specific. METHODS: A case-control study nested into the Health and Demographic Surveillance System (HDSS) cohort of the Centre de Recherche en Santé de Nouna (CRSN) was conducted in northwestern Burkina Faso...
November 15, 2017: Vaccine
https://www.readbyqxmd.com/read/29153127/enforcement-associated-with-higher-school-reported-immunization-rates
#7
Kylie J Hall, Molly A Howell, Rick J Jansen, Paul J Carson
INTRODUCTION: North Dakota's school-reported kindergarten immunization rates were among the lowest in the U.S. during the 2015-2016 school year. Ninety percent of kindergartners were fully immunized in accordance with state requirements, 3% had an exemption, and as many as 7% were noncompliant. School enforcement of immunization requirements has been noted as variable. This study sought to better understand the relationship between school-reported immunization rates and the enforcement of immunization requirements...
December 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29145357/global-routine-vaccination-coverage-2016
#8
Leora R Feldstein, Stephanie Mariat, Marta Gacic-Dobo, Mamadou S Diallo, Laura M Conklin, Aaron S Wallace
The Global Vaccine Action Plan 2011-2020 (GVAP) (1), endorsed by the World Health Assembly in 2012, calls on all countries to reach ≥90% national coverage for all vaccines in the country's routine immunization schedule by 2020. CDC and the World Health Organization (WHO) evaluated the WHO and United Nations Children's Fund (UNICEF) global vaccination coverage estimates to describe changes in global and regional coverage as of 2016. Global coverage estimates for the third dose of diphtheria and tetanus toxoids and pertussis-containing vaccine (DTP3), the third dose of polio vaccine, and the first dose of measles-containing vaccine (MCV1) have ranged from 84% to 86% since 2010...
November 17, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29141529/experimental-autoimmune-encephalomyelitis-eae-model-of-cynomolgus-macaques-induced-by-recombinant-human-mog1-125-rhmog1-125-protein-and-mog34-56-peptide
#9
Yunxiao Sun, Zhen Peng, Libiao Zhang, Huaqian Wang, Xiangyang He, Xingwen Peng, Qin Zhang, Hui Liu, Junhua Rao, Haifeng Wang, Jie Wu
Experimental autoimmune encephalomyelitis (EAE) induced by self-myelin antigen is a widely used multiple sclerosis (MS) model for preclinical studies of new therapeutics and potential pathogenesis. By comparison with rodent EAE models, EAE models in primates are more similar to MS. Some groups have developed EAE models in primates by using common marmoset (Callithrix jacchus). However, this model has some limitations. EAE in cynomolgus monkey (Macaque fasciculrais) could overcome these limitations. In this study, EAE was induced in cynomolgus monkey by immunizing with the recombinant human myelin oligodendrocyte glycoprotein extracellular domain (1-125) (rhMOG1-125) and a synthetic peptide, representing peptide 34-56 of human myelin oligodendrocyte glycoprotein (MOG34-56) in complete Freund's adjuvant (CFA) and in combination with intravenous injection of pertussis toxin, and subsequent booster immunizations with the same dose of antigen in incomplete Freund's adjuvant (IFA) until the animals developed clinically significant EAE (score≥2)...
November 9, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/29139107/antenatal-influenza-and-pertussis-vaccine-uptake-among-aboriginal-mothers-in-western-australia
#10
Kennia Lotter, Annette K Regan, Tyra Thomas, Paul V Effler, Donna B Mak
BACKGROUND: Antenatal influenza and pertussis vaccination prevent serious disease in mothers and infants. Aboriginal individuals are at increased risk of infection yet little is known about vaccine coverage among Aboriginal mothers. AIMS: To estimate the uptake of influenza and pertussis vaccination among pregnant Aboriginal women in Western Australia and identify barriers and enablers to vaccination. MATERIALS AND METHODS: Four hundred Aboriginal women, aged ≥18 years, who gave birth to a live infant between April and October 2015, were randomly selected and invited to participate in telephone interviews...
November 14, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29135925/membrane-active-properties-of-an-amphitropic-peptide-from-the-cyaa-toxin-translocation-region
#11
Alexis Voegele, Orso Subrini, Nicolas Sapay, Daniel Ladant, Alexandre Chenal
The adenylate cyclase toxin CyaA is involved in the early stages of infection by Bordetella pertussis, the causative agent of whooping cough. CyaA intoxicates target cells by a direct translocation of its catalytic domain (AC) across the plasma membrane and produces supraphysiological levels of cAMP, leading to cell death. The molecular process of AC translocation remains largely unknown, however. We have previously shown that deletion of residues 375-485 of CyaA selectively abrogates AC translocation into eukaryotic cells...
November 14, 2017: Toxins
https://www.readbyqxmd.com/read/29132992/measuring-the-timeliness-of-childhood-vaccinations-using-cohort-data-and-routine-health-records-to-evaluate-quality-of-immunisation-services
#12
Suzanne Walton, Mario Cortina-Borja, Carol Dezateux, Lucy J Griffiths, Karen Tingay, Ashley Akbari, Amrita Bandyopadhyay, Ronan A Lyons, Helen Bedford
BACKGROUND: To achieve full benefits of vaccination programmes, high uptake and timely receipt of vaccinations are required. OBJECTIVES: To examine uptake and timeliness of infant and pre-school booster vaccines using cohort study data linked to health records. METHODS: We included 1782 children, born between 2000 and 2001, participating in the Millennium Cohort Study and resident in Wales, whose parents gave consent for linkage to National Community Child Health Database records at the age seven year contact...
November 10, 2017: Vaccine
https://www.readbyqxmd.com/read/29129454/announcing-the-publication-of-the-who-immunological-basis-for-immunization-series-module-on-pertussis-vaccines
#13
(no author information available yet)
In 2017, the World Health Organization (WHO) published an updated document aimed at facilitating the understanding of the immunological basis of pertussis vaccines and their use. The document "The Immunological Basis for Immunization Series: Pertussis Vaccines" is freely available on the WHO website. The main purpose of the module is to provide national immunization managers and vaccination professionals with an overview of the scientific basis of vaccination against pertussis and the immunological basis for the WHO position on pertussis vaccines...
November 9, 2017: Vaccine
https://www.readbyqxmd.com/read/29129213/vaccinations-in-older-adults
#14
REVIEW
Megan Burke, Theresa Rowe
Vaccines are important for preventing infections in adults aged ≥65 years. Older adults are at increased risk for complications from vaccine-preventable illnesses due to age-associated changes in immune function and chronic medical comorbidities. Vaccination rates for older adults remain low despite widely accepted practice guidelines. Recommended vaccinations for older adults include (1) influenza; (2) pneumococcal; (3) herpes zoster; (4) tetanus, diphtheria, pertussis; and (5) hepatitis B. Cost influences vaccination rates in older adults...
February 2018: Clinics in Geriatric Medicine
https://www.readbyqxmd.com/read/29123207/atropine-augments-cardiac-contractility-by-inhibiting-camp-specific-phosphodiesterase-type-4
#15
Ruwan K Perera, Thomas H Fischer, Michael Wagner, Matthias Dewenter, Christiane Vettel, Nadja I Bork, Lars S Maier, Marco Conti, Juergen Wess, Ali El-Armouche, Gerd Hasenfuß, Viacheslav O Nikolaev
Atropine is a clinically relevant anticholinergic drug, which blocks inhibitory effects of the parasympathetic neurotransmitter acetylcholine on heart rate leading to tachycardia. However, many cardiac effects of atropine cannot be adequately explained solely by its antagonism at muscarinic receptors. In isolated mouse ventricular cardiomyocytes expressing a Förster resonance energy transfer (FRET)-based cAMP biosensor, we confirmed that atropine inhibited acetylcholine-induced decreases in cAMP. Unexpectedly, even in the absence of acetylcholine, after G-protein inactivation with pertussis toxin or in myocytes from M2- or M1/3-muscarinic receptor knockout mice, atropine increased cAMP levels that were pre-elevated with the β-adrenergic agonist isoproterenol...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122386/towards-replacement-of-the-acellular-pertussis-vaccine-safety-test-comparison-of-in-vitro-cytotoxic-activity-and-in-vivo-activity-in-mice
#16
Leslie D Wagner, Laura J Corvette, Miriam M Ngundi, Drusilla L Burns
Because of the exquisite sensitivity of the murine histamine sensitization test (HIST) in detecting minute amounts of active pertussis toxin (PTx), this animal-based test has been used to assure the safety of acellular pertussis vaccines in the United States and other countries around the world. Prompted by humane considerations, efforts are underway to find a suitable in vitro replacement assay that has critical attributes comparable to that of the HIST. In this study, we compared the sensitivity of the in vivo HIST with an in vitro Chinese Hamster Ovary (CHO) cell-based assay...
November 6, 2017: Vaccine
https://www.readbyqxmd.com/read/29120017/review-of-maternal-immunisation-during-pregnancy-focus-on-pertussis-and-influenza
#17
Géraldine Blanchard-Rohner, Christiane Eberhardt
Seasonal influenza and pertussis infections are known to be significant causes of morbidity and mortality in neonates and infants worldwide. Influenza has also been associated with severe complications in pregnant women and after delivery. The most efficient and safe strategy to protect mothers and their offspring is maternal immunisation during pregnancy. The maternal antibodies thus acquired are transferred to the fetus as of the second trimester and confer passive immunity until the first infant immunisations...
November 9, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29119026/thiamine-deficiency-leading-to-refractory-lactic-acidosis-in-a-pediatric-patient
#18
Alicia M Teagarden, Brian D Leland, Courtney M Rowan, Riad Lutfi
Thiamine plays a critical role in energy metabolism. Critically ill children and adults may develop thiamine deficiency with ultimately increased mortality due to potentially irreversible consequences of severe type B lactic acidosis. We report a case of an unvaccinated term neonate with malignant pertussis requiring extracorporeal membrane oxygenation and continuous renal replacement therapy, who developed profound lactic acidosis of unknown etiology. After countless evaluations for likely causes, the patient was ultimately determined to have thiamine deficiency and her acidosis resolved rapidly with vitamin supplementation...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29117060/cognitive-development-1-year-after-infantile-critical-pertussis
#19
John T Berger, Michele E Villalobos, Amy E Clark, Richard Holubkov, Murray M Pollack, Robert A Berg, Joseph A Carcillo, Heidi Dalton, Rick Harrison, Kathleen L Meert, Christopher J L Newth, Thomas P Shanley, David L Wessel, Kanwaljeet J S Anand, Jerry J Zimmerman, Ronald C Sanders, Teresa Liu, Jeri S Burr, Douglas F Willson, Allan Doctor, J Michael Dean, Tammara L Jenkins, Carol E Nicholson
OBJECTIVES: Pertussis can cause life-threatening illness in infants. Data regarding neurodevelopment after pertussis remain scant. The aim of this study was to assess cognitive development of infants with critical pertussis 1 year after PICU discharge. DESIGN: Prospective cohort study. SETTING: Eight hospitals comprising the Eunice Kennedy Shriver National Institute for Child Health and Human Development Collaborative Pediatric Critical Care Research Network and 18 additional sites across the United States...
November 7, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29115491/resveratrol-improves-prostate-fibrosis-during-progression-of-urinary-dysfunction-in-chronic-prostatitis-by-mast-cell-suppression
#20
Huizhi Zeng, Yi He, Yang Yu, Jiashu Zhang, Xiaona Zeng, Fengtao Gong, Qi Liu, Bo Yang
Voiding dysfunction is the primary clinical manifestation of chronic prostatitis (CP), which is a common urological disease. The present study investigated whether prostate fibrosis was associated with urinary dysfunction in CP and if resveratrol improved urinary dysfunction, and the underlying molecular mechanism. A rat model of CP was established via subcutaneous injections of the pertussis‑diphtheria‑tetanus vaccine, which was followed by treatment with resveratrol. Bladder pressure and volume tests were performed to investigate the effect of resveratrol on urinary dysfunction in CP rats...
November 3, 2017: Molecular Medicine Reports
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