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Hepatitis b vaccination

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https://www.readbyqxmd.com/read/29145470/active-immunization-in-patients-transplanted-for-hepatitis-b-virus-related-liver-diseases-a-prospective-study
#1
Anli Yang, Zhiyong Guo, Qingqi Ren, Linwei Wu, Yi Ma, Anbin Hu, Dongping Wang, Haidan Ye, Xiaofeng Zhu, Weiqiang Ju, Xiaoshun He
INTRODUCTION: Prophylactic administration of hepatitis B immunoglobulin (HBIG) and nucleos(t)ide analogues (NAs) is the standard treatment for controlling hepatitis B virus (HBV) recurrence after liver transplantation (LT). Since lifelong use of HBIG is expensive and inconvenient and the antibodies level in anti-hepatitis B surface (HBs) is not sustainable and stable, an alternative strategy is to produce anti-HBs antibodies by active immunization. Our present study aimed to prospectively investigate the efficacy and safety of procedural HBV vaccination in transplanted patients...
2017: PloS One
https://www.readbyqxmd.com/read/29145268/seroconverting-nonresponder-of-high-dose-intramuscular-hbv-vaccine-with-intradermal-hbv-vaccine-a-case-report
#2
Manjusha Das, Vishwas Vanar, Daniel K Martin, Saqib Walayat, Jaymon Patel, Maaz B Badshah, Nikhil R Kalva, Watcoun-Nchinda Pisoh, Sonu Dhillon
INTRODUCTION: Liver disease is a leading cause of death among human immunodeficiency virus (HIV)-infected patients in the United States. Patients with HIV and hepatitis B virus (HBV) coinfection have accelerated liver disease, higher rates of cirrhosis, and liver cancer, and markedly increased liver-related mortality. The CDC and US Advisory Committee on Immunization Practices recommend hepatitis B vaccination for all HIV-infected individuals. Unfortunately, HIV-infected patients have a worse response rate after standard HBV vaccination...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144890/comprehensive-analysis-of-patients-with-neuromyelitis-optica-spectrum-disorder-nmosd-combined-with-chronic-hepatitis-b-chb-infection-and-seropositive-for-anti-aquaporin-4-antibody
#3
Jia Liu, Li Xu, Zhuo-Lin Chen, Min Li, Huan Yi, Fu-Hua Peng
Previous research indicated the association between hepatitis B virus (HBV) infection/vaccination and the onset of demyelinating diseases. However, most of these studies were single case reports, and comprehensive data are still scarce. Here we present a comprehensive analysis of 10 patients with neuromyelitis optica spectrum disorder (NMOSD) combined with chronic hepatitis B (CHB) infection and seropositive for anti-aquaporin-4 antibody (AQP4-Ab). Demographic, clinical, laboratory, neuroimaging, outcome, and follow-up data of the 10 patients were retrospectively analyzed...
November 16, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29140938/immunity-following-childhood-vaccinations-in-perinatally-hiv-exposed-children-with-and-without-hiv-infection-in-latin-america
#4
Regina Cm Succi, Margot R Krauss, D Robert Harris, Daisy M Machado, Maria I de Moraes-Pinto, Marisa M Mussi-Pinhata, Noris Pavia Ruz, Russell B Pierre, Lenka A Kolevic Roca, Esaú Joao, Irene Foradori, Marcelo C Scotta, Rohan Hazra, George K Siberry
BACKGROUND: Perinatally HIV-infected (PHIV) children are at risk for undervaccination and poor vaccine response at four years of age. Childhood vaccine coverage and immune response were compared between PHIV and HIV-exposed uninfected (HEU) children in Latin America and the Caribbean. METHODS: PHIV and HEU children were enrolled prospectively at fifteen sites from 2002-2009. Full vaccination by age four years was defined as: three hepatitis B virus (HBV) vaccine doses; four tetanus toxoid-containing vaccine doses; three doses of Haemophilus influenzae type b (Hib) vaccine by age 12 months or ≥1 dose given after age 12 months; one measles-containing vaccine dose; one rubella-containing vaccine dose...
November 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29138669/medical-and-dental-students-attitude-and-practice-of-prevention-strategies-against-hepatitis-b-virus-infection-in-a-nigerian-university
#5
Oyebimpe Jumoke Adenlewo, Peter Olalekan Adeosun, Olawunmi Adedoyin Fatusi
Introduction: Medical and dental students are a high-risk group for hepatitis B virus (HBV) infection which is an occupational hazard for them and a leading cause of death globally. Prevention strategies include vaccination and observance of standard precaution. However, available reports claim utilization of the prevention strategies is low. This study evaluated the attitude of the students towards HBV vaccine and cross-infection practices. Methods: This study was a cross-sectional study carried out at the College of Health Sciences, Obafemi Awolowo University, Nigeria...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29137642/effects-of-mrna-secondary-structure-on-the-expression-of-hev-orf2-proteins-in-escherichia-coli
#6
Nouredine Behloul, Wenjuan Wei, Sarra Baha, Zhenzhen Liu, Jiyue Wen, Jihong Meng
BACKGROUND: Viral protein expression in Escherichia coli (E. coli) is a powerful tool for structural/functional studies as well as for vaccine and diagnostics development. However, numerous factors such as codon bias, mRNA secondary structure and nucleotides distribution, have been indentified to hamper this heterologous expression. RESULTS: In this study, we combined computational and biochemical methods to analyze the influence of these factors on the expression of different segments of hepatitis E virus (HEV) ORF 2 protein and hepatitis B virus surface antigen (HBsAg)...
November 14, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/29133207/oral-hepatitis-b-vaccine-chitosan-or-glucan-based-delivery-systems-for-efficient-hbsag-immunization-following-subcutaneous-priming
#7
Edna Soares, Sandra Jesus, Olga Borges
The World Health Organization encourages "the development of oral formulations to simplify their transport, storage and administration in poor countries", and to "facilitate an effective immunization program to prevent sexually transmitted hepatitis B". Thus, two distinct and promising delivery systems were developed: recombinant hepatitis B surface antigen (HBsAg) encapsulated into alginate-coated chitosan particles (AlgChiPs) and into glucan particles (GPs) mainly composed of β-1,3-D-glucan. In vitro preliminary studies showed that both could be internalized by peripheral blood mononuclear cells and murine Peyer's patches, an imperative aspect regarding oral immunization...
November 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29132994/countries-interest-in-a-hepatitis-b-vaccine-licensed-for-the-controlled-temperature-chain-survey-results-from-african-and-western-pacific-regions
#8
Dörte Petit, Carole Tevi-Benissan, Joseph Woodring, Karen Hennessey, Anna-Lea Kahn
Chronic hepatitis B infection can be prevented by hepatitis B vaccine birth dose (hepB-BD) given within 24 h after birth, followed by two hepatitis B vaccinations within the first year of life. Yet nearly half of World Health Organization (WHO) Member States do not provide a hepB-BD. Barriers are primarily attributed to vaccine storage and transportation, as well as high rates of home births. Delivering the vaccine outside the cold chain could potentially increase coverage. To do this, WHO recommends vaccines be licensed for use in a "controlled temperature chain" (CTC), which requires a given product to tolerate temperature excursions up to at least 40 °C for a minimum of three days...
November 10, 2017: Vaccine
https://www.readbyqxmd.com/read/29132990/beneficiary-characteristics-and-vaccinations-in-the-end-stage-renal-disease-medicare-beneficiary-population-an-analysis-of-claims-data-2006-2015
#9
Angela K Shen, Jeffrey A Kelman, Rob Warnock, Weiwei Zhang, Stephaeno Brereton, Stephen McKean, Michael Wernecke, Steve Chu, Bruce G Gellin
BACKGROUND: The Advisory Committee on Immunization Practices (ACIP) routinely recommends three vaccines - influenza, hepatitis B, and pneumococcal vaccines - for End-Stage Renal Disease (ESRD) dialysis patients. METHODS: We sought to assess vaccination coverage among fee-for-service (FFS) Medicare beneficiaries with ESRD who received Part B dialysis services at any point from January 1, 2006 through December 31, 2015 (through June 30, 2016 for influenza). To assess influenza vaccination rates in a given influenza season, we restricted the population to beneficiaries who were continuously enrolled in Medicare Parts A and B throughout all twelve months of that season...
November 10, 2017: Vaccine
https://www.readbyqxmd.com/read/29132759/hepatitis-b-in-sub-saharan-africa-strategies-to-achieve-the-2030-elimination-targets
#10
REVIEW
C Wendy Spearman, Mary Afihene, Reidwaan Ally, Betty Apica, Yaw Awuku, Lina Cunha, Geoffrey Dusheiko, Neliswa Gogela, Chris Kassianides, Michael Kew, Philip Lam, Olufunmilayo Lesi, Marie-Jeanne Lohouès-Kouacou, Papa Saliou Mbaye, Emmanuel Musabeyezu, Betty Musau, Olusegun Ojo, John Rwegasha, Barbara Scholz, Abate B Shewaye, Christian Tzeuton, Mark W Sonderup
The WHO global health sector strategy on viral hepatitis, created in May, 2016, aims to achieve a 90% reduction in new cases of chronic hepatitis B and C and a 65% reduction in mortality due to hepatitis B and C by 2030. Hepatitis B virus (HBV) is endemic in sub-Saharan Africa, and despite the introduction of universal hepatitis B vaccination and effective antiviral therapy, the estimated overall seroprevalence of hepatitis B surface antigen remains high at 6·1% (95% uncertainty interval 4·6-8·5). In this Series paper, we have reviewed the literature to examine the epidemiology, burden of liver disease, and elimination strategies of hepatitis B in sub-Saharan Africa...
December 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29132524/hepatitis-a-and-b-infections
#11
REVIEW
Jennifer Thuener
Hepatitis A virus causes acute viral hepatitis, presenting with jaundice, nausea, and vomiting. Symptoms are self-limited and treated symptomatically. Routine vaccination of infants has greatly reduced the incidence in the United States. Vaccination is recommended for all infants and adults at increased risk. Hepatitis B virus can cause acute and chronic viral hepatitis. Acute hepatitis B is usually self-limited, but can develop into a chronic infection. Patients are at highest risk for developing chronic disease if they are infected at a younger age...
December 2017: Primary Care
https://www.readbyqxmd.com/read/29131316/efficacy-of-a-community-based-participatory-and-multilevel-intervention-to-enhance-hepatitis-b-virus-screening-and-vaccination-in-underserved-korean-americans
#12
Grace X Ma, Minsun M Lee, Yin Tan, Alexandra L Hanlon, Ziding Feng, Theresa I Shireman, Joanne Rhee, Zhengyu Wei, Frank Wong, Han Seung Koh, Charles Kim, Whitney York
BACKGROUND: The primary objective of the current study was to evaluate the efficacy of a community-based participatory intervention program in improving hepatitis B virus (HBV) screening and vaccination among Korean Americans who were not previously screened. METHODS: A cluster randomized trial involving 32 Korean church-based community organizations (1834 participants) was conducted. Sixteen churches were randomly assigned to an HBV screening and vaccination multicomponent intervention condition (972 participants) and 16 were assigned to a general cancer education control condition (862 participants)...
November 13, 2017: Cancer
https://www.readbyqxmd.com/read/29129705/a-virus-like-particle-of-the-hepatitis-b-virus-pres-antigen-elicits-robust-neutralizing-antibody-and-t-cell-responses-in-mice
#13
Xiaodan Cai, Weihao Zheng, Shaokun Pan, Shengyuan Zhang, Youhua Xie, Haitao Guo, Guoxin Wang, Zigang Li, Ming Luo
The preS antigen of hepatitis B virus (HBV) corresponds to the N-terminal polypeptide in the large (L) antigen in addition to the small (S) antigen. The virus-like particle (VLP) of the S antigen is widely used as a vaccine to protect the population from HBV infection. The presence of the S antigen and its antibodies in patient blood has been used as markers to monitor hepatitis B. However, there is very limited knowledge about the preS antigen. We generated a preS VLP that is formed by a chimeric protein between preS and hemagglutinin (HA), and the matrix protein M1 of influenza virus...
November 9, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29129453/hepatitis-b-virus-core-particles-containing-multiple-epitopes-confer-protection-against-enterovirus-71-and-coxsackievirus-a16-infection-in-mice
#14
Chunling Huo, Jie Yang, Lei Lei, Lei Qiao, Jiantao Xin, Zishu Pan
Human enterovirus 71 (EV71) and coxsackievirus A16 (CA16) are the two major causative agents of hand-foot-and-mouth disease (HFMD). To investigate novel combined vaccines to prevent EV71 and CA16 infection, we constructed chimeric virus-like particles (tHBc/SPA or tHBc/SP VLPs) displaying conserved epitopes of EV71 (aa 208-222 of VP1 and aa 248-263 of VP2) and CA16 (aa271-285 of VP1) using a truncated hepatitis B virus core carrier (tHBc). Immunization with the chimeric VLPs induced epitope- or virus-specific IgG and neutralization antibodies against EV71 and CA16 in the mice...
November 9, 2017: Vaccine
https://www.readbyqxmd.com/read/29129402/hepatitis-b-core-antigen-based-novel-vaccine-against-porcine-epidemic-diarrhea-virus
#15
Frank Gillam, Jianqiang Zhang, Chenming Zhang
Porcine epidemic diarrhea Virus (PEDV) is the causative agent of porcine epidemic diarrhea, which is a devastating viral disease and causes severe economic loss to the swine industry. Current vaccine options for PEDV include modified live viruses and killed live viruses. Though these vaccines have shown efficacy, some have side effects including viral shedding. This report details an E. coli based expression and purification process of multiple vaccine candidates for PEDV using Hepatitis B Core Antigen (HBcAg) as a backbone protein...
November 9, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/29129213/vaccinations-in-older-adults
#16
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/29128760/vitamin-d-deficiency-in-children-with-recurrent-respiratory-infections-with-or-without-immunoglobulin-deficiency
#17
Nel Dąbrowska-Leonik, Ewa Bernatowska, Małgorzata Pac, Wiktor Filipiuk, Jan Mulawka, Barbara Pietrucha, Edyta Heropolitańska-Pliszka, Katarzyna Bernat-Sitarz, Beata Wolska-Kuśnierz, Bożena Mikołuć
PURPOSE: The objective of this study was to evaluate thevitamin D concentration in patients with recurrent respiratory infections with or without immunoglobulin G, A or M (IgG, IgA, IgM) deficiency, and to find a correlation between the vitamin D concentration and the response to hepatitis B vaccination. MATERIALS AND METHOD: The study involved 730 patients with recurrent respiratory infections. The concentration of 25-hydroxyvitamin D (25(OH)D), immunoglobulins G, A and M, anti-HBs was determined...
November 9, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29126399/production-and-purification-of-chimeric-hbc-virus-like-particles-carrying-influenza-virus-lah-domain-as-vaccine-candidates
#18
Andris Kazaks, I-Na Lu, Sophie Farinelle, Alex Ramirez, Vincenzo Crescente, Benjamin Blaha, Olotu Ogonah, Tarit Mukhopadhyay, Mapi Perez de Obanos, Alejandro Krimer, Inara Akopjana, Janis Bogans, Velta Ose, Anna Kirsteina, Tatjana Kazaka, Nicola J Stonehouse, David J Rowlands, Claude P Muller, Kaspars Tars, William M Rosenberg
BACKGROUND: The lack of a universal influenza vaccine is a global health problem. Interest is now focused on structurally conserved protein domains capable of eliciting protection against a broad range of influenza virus strains. The long alpha helix (LAH) is an attractive vaccine component since it is one of the most conserved influenza hemagglutinin (HA) stalk regions. For an improved immune response, the LAH domain from H3N2 strain has been incorporated into virus-like particles (VLPs) derived from hepatitis B virus core protein (HBc) using recently developed tandem core technology...
November 10, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/29124321/vaccine-responses-in-newborns
#19
REVIEW
Anja Saso, Beate Kampmann
Immunisation of the newborn represents a key global strategy in overcoming morbidity and mortality due to infection in early life. Potential limitations, however, include poor immunogenicity, safety concerns and the development of tolerogenicity or hypo-responsiveness to either the same antigen and/or concomitant antigens administered at birth or in the subsequent months. Furthermore, the neonatal immunological milieu is polarised towards Th2-type immunity with dampening of Th1-type responses and impaired humoral immunity, resulting in qualitatively and quantitatively poorer antibody responses compared to older infants...
November 9, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29122384/strengthening-global-vaccine-access-for-adolescents-and-adults
#20
REVIEW
Angeline Nanni, Stefanie Meredith, Stephanie Gati, Karin Holm, Tom Harmon, Ann Ginsberg
Global immunization efforts to date have heavily focused on infants and children, with noted success on public health. Healthy adolescents and adults contribute to the economic growth and development of countries but efforts to ensure vaccine coverage for these groups receive inadequate global attention and resources. Emerging epidemics for a number of infectious diseases including Ebola, Zika, dengue, malaria and the continuing epidemics of tuberculosis and several sexually transmitted infections, including HIV, HPV and Hepatitis B, have high incidence and prevalence in adolescents and adults...
November 6, 2017: Vaccine
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