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https://www.readbyqxmd.com/read/28733258/immunoprophylaxis-failure-of-infants-born-to-hepatitis-b-carrier-mothers-following-routine-vaccination
#1
Ka Wang Cheung, Mimi Tin Yan Seto, Anita Sik Yau Kan, Daniel Wong, Thomas Kam On Kou, Po Lam So, Wai Lam Lau, Khair Jalal, Yuet Yee Chee, Rosanna Ming Sum Wong, Chin Peng Lee, Ernest Hung Yu Ng
No abstract text is available yet for this article.
July 18, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28732435/the-effect-of-oral-levamisole-co-administration-on-the-level-of-immune-response-to-hepatitis-b-vaccine-in-healthy-individuals-a-randomized-clinical-trial
#2
Mousalreza Hosseini, Payman Shalchiantabrizi, Maliheh Dadgarmoghaddam, Saeideh Ahmady-Simab, Azizollah Behjati, Masoumeh Salari
Despite its proven efficacy, the hepatitis B vaccine requires improvements in immune enhancement and durability, especially in the elderly. Levamisole, an immune modulator, has been tested as an adjuvant to hepatitis B vaccine in several studies in immune-compromised populations. However, we aimed to evaluate the effect of levamisole on the immune response to hepatitis B vaccine in healthy subjects. In this randomized clinical trial, healthy family members of chronic hepatitis B patients were given twenty-microgram intramuscular injections of hepatitis B vaccine at 0, 1, and 6 months and 50 miligrams of oral  levamisole twice a day for two weeks with every vaccination dose...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28732085/point-of-care-screening-for-hepatitis-b-virus-infection-in-pregnant-women-at-an-antenatal-clinic-a-south-african-experience
#3
Nafiisah Chotun, Wolfgang Preiser, Christoffel Johannes van Rensburg, Pedro Fernandez, Gerhard Barnard Theron, Dieter Glebe, Monique Ingrid Andersson
BACKGROUND & AIMS: Elimination of HIV and syphilis mother-to-child transmission (MTCT) has received much attention but little consideration has been given to the possibility of elimination of HBV MTCT. In sub-Saharan Africa, HBV vertical transmission continues to be reported and it remains an important public health problem. This study aimed to assess the feasibility of screening pregnant women for HBV using a point-of-care (POC) test and implementing interventions to prevent HBV MTCT...
2017: PloS One
https://www.readbyqxmd.com/read/28732046/qualitative-differences-in-cellular-immunogenicity-elicited-by-hepatitis-c-virus-t-cell-vaccines-employing-prime-boost-regimens
#4
Wendy G Tan, Iryna Zubkova, Alla Kachko, Frances Wells, Heiko Adler, Gerd Sutter, Marian E Major
T-cell based vaccines have been considered as attractive candidates for prevention of hepatitis C virus (HCV) infections. In this study we compared the magnitude and phenotypic characteristics of CD8+ T-cells induced by three commonly used viral vectors, Adenovirus-5 (Ad5), Vaccinia virus (VV) and Modified Vaccinia Ankara (MVA) expressing the HCV NS3/4A protein. C57/BL6 mice were primed with DNA expressing NS3/4A and boosted with each of the viral vectors in individual groups of mice. We then tracked the vaccine-induced CD8+ T-cell responses using pentamer binding and cytokine production analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28731903/hepatitis-transmission-risk-in-kidney-transplantation-the-hint-study-a-cross-sectional-survey-of-transplant-clinicians-in-australian-and-new-zealand
#5
Karen M J Waller, Kate R Wyburn, Nicholas A Shackel, Michael J O'Leary, Patrick J Kelly, Angela C Webster
BACKGROUND: Interpreting hepatitis serology and virus transmission risk in transplantation can be challenging. Decisions must balance opportunity to transplant against potential infection transmission. We aimed to survey understanding among the Australian and New Zealand medical transplant workforce of hepatitis risk in kidney donors and recipients. METHODS: An anonymous, self-completed, cross-sectional survey was distributed via electronic mailing lists to Australian and New Zealand clinicians involved in kidney transplantation (2014-2015)...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28730317/assessment-of-hepatitis-b-virus-antibody-titers-in-childhood-cancer-survivors
#6
Najwa Yahya Fayea, Shaimaa Mohamed Kandil, Khadijah Boujettif, Ashraf Elsayed Fouda
Pediatric patients suffering from cancer are at risk of hepatitis B virus (HBV) infection and its related complications even though it is considered a vaccine preventable disease. Little is known of the effects of chemotherapy, and even less is known regarding the impact of HBV booster on HBV antibody titers. It is the purpose of this study to investigate and measure the prevalence of the antihepatitis B surface antibodies (HBsAb) in childhood cancer survivors after completion of their chemotherapy treatment and to further evaluate survivors' response to a single booster dose of HBV vaccine...
July 20, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28729316/relationship-between-receipt-of-substitutable-for-fee-vaccines-and-completion-of-the-expanded-programme-on-immunisation-a-cross-sectional-study-in-fujian-china
#7
Jiang-Nan Wu, Da-Jin Li, Yong Zhou, Mei-Rong Du, Hai-Lan Piao
OBJECTIVE: The aim of this study was to evaluate the relationship between receipt of the substitutable-for-fee vaccines (SFV) and completion of the expanded programme on immunisation (EPI). DESIGN AND SETTINGS: A cross-sectional study was conducted in Fujian province, China. PARTICIPANTS: Children who were born from 1 September 2009 to 31 August 2011, and who had been residing in the township for at least 3 months, were randomly recruited from 34 townships...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28724955/mushroom-lectin-overcomes-hepatitis-b-virus-tolerance-via-tlr6-signaling
#8
Meina He, Dan Su, Qinghong Liu, Wenjuan Gao, Youmin Kang
Currently, chronic hepatitis B virus (HBV) infection remains a serious public health problem in the world. Recombinant HBV vaccine, as a preventive strategy against HBV infection, generates high antibody level, but it is not effective to activate innate and cellular immunity for chronic HBV infection therapy. Lectins from mushroom are natural and active proteins which have been shown important biological functions. However, little is known about the immunological mechanism engaged by mushroom lectins. Here we report that, lectin from Pleurotus ostreatus (POL) stimulated innate response by activating Toll-like receptor 6 signal pathway of dendritic cells...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724049/hepatitis-b-status-in-hemodialysis-patients
#9
Maia Nogueira Crown Guimarães, Tila Facincani, Sigrid De Sousa Dos Santos
BACKGROUND: Patients on chronic dialysis present a high prevalence of hepatitis B virus infection. Despite infection-control practices, surveillance of serological markers, and hepatitis B vaccination, there are still outbreaks of the disease in dialysis centers. OBJECTIVE: This study aims to assess the serologic and vaccination status for hepatitis B in hemodialysis patients. METHODS: This cross-sectional study assessed serologic markers and hepatitis B vaccination status of chronic kidney disease patients on regular dialysis program in São Carlos, SP, Brazil...
July 13, 2017: Arquivos de Gastroenterologia
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
#10
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/28721342/hepatitis-b-virus-genotype-e-infection-among-egyptian-health-care-workers
#11
Reem Elmaghloub, Ashraf Elbahrawy, Gamal El Didamony, Ahmed Elwassief, Abdel-Gawad Saied Mohammad, Ahmed Alashker, Hendawy Zedan, Abdallah Mahmoud Abdallah, Mahmoud Haddad Hemidah, Amr Elmestikawy, Mohamed El Fayoumei, Hossam Shahba, Ahmed Gawish, Mohamed Hanafy Morsy, Alaa Hashim, Mohamed Ali Abdelbaseer, Yoshihide Ueda, Tsutomu Chiba, Hafez Abdelhafeez
BACKGROUND AND OBJECTIVES: Health Care Workers (HCWs) are at a high risk of needle stick injuries and HBV infection in Egypt; this problem is further aggravated by low Hepatitis B (HB) vaccination coverage. Limited data are available on the prevalence of HBV infection in Egyptian HCWs. In this study, we aimed to assess the HBV infection rate and genotypes among Egyptian HCWs. METHODS: Five hundred and sixty-four (564) HCWs were included. Of them, 258 (45.74%) were health care providers and 306 (54...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28719500/a-randomized-controlled-study-of-a-fully-liquid-dtap-ipv-hb-prp-t-hexavalent-vaccine-for-primary-and-booster-vaccinations-of-healthy-infants-and-toddlers-in-latin-america
#12
Pío López, Adriano Arguedas Mohs, Arturo Abdelnour Vásquez, Maria Consuelo-Miranda, Emmanuel Feroldi, Fernando Noriega, Emilia Jordanov, Siham B'Chir, Betzana Zambrano
BACKGROUND: Hexavalent diphtheria (D)-tetanus (T)-acellular pertussis (aP)-inactivated poliovirus (IPV)-hepatitis B (HB)-Haemophilus influenzae type b (PRP-T)-containing vaccines are increasingly the standard of care. This study evaluated the primary series (NCT01177722) and booster (NCT01444781) of a fully liquid DTaP-IPV-HB-PRP-T vaccine in Latin America. METHODS: Infants (N=1375) received HB vaccine at birth and were randomized to one of three batches of the investigational DTaP-IPV-HB-PRP-T or licensed control vaccine (DTaP-HB-IPV//PRP-T) at 2-4-6 months of age, co-administered with 7-valent pneumococcal conjugate vaccine (PCV7) (2-4-6 months) and rotavirus vaccine (2-4 months)...
July 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28718943/hepatitis-e-virus-orf-1-induces-proliferative-and-functional-t-cell-responses-in-patients-with-ongoing-and-resolved-hepatitis-e
#13
Jana Al-Ayoubi, Patrick Behrendt, Birgit Bremer, Pothakamuri Venkata Suneetha, Anett Gisa, Franziska Rinker, Michael P Manns, Markus Cornberg, Heiner Wedemeyer, Anke R M Kraft
BACKGROUND AND AIMS: Hepatitis E virus (HEV) is a major cause of acute viral hepatitis with > 3 million symptomatic cases per year accounting for 70,000 HEV-related deaths. HEV-specific T-cell responses have been investigated against structural proteins expressed by open reading frames (ORF) 2 and 3. T-cell responses against non-structural HEV proteins encoded by ORF1 are hardly studied. The aim of this study was to determine HEV ORF1-specific T-cell responses in comparison to ORF2/3 in patients exposed to HEV...
July 18, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28716576/tlr9-mediated-conditioning-of-liver-environment-is-essential-for-successful-intrahepatic-immunotherapy-and-effective-memory-recall
#14
Marcin Cebula, Mathias Riehn, Upneet Hillebrand, Ramona F Kratzer, Florian Kreppel, Georgia Koutsoumpli, Toos Daemen, Hansjörg Hauser, Dagmar Wirth
Immune defense against hepatotropic viruses such as hepatitis B (HBV) and hepatitis C (HCV) poses a major challenge for therapeutic approaches. Intrahepatic cytotoxic CD8 T cells that are crucial for an immune response against these viruses often become exhausted resulting in chronic infection. We elucidated the T cell response upon therapeutic vaccination in inducible transgenic mouse models in which variable percentages of antigen-expressing hepatocytes can be adjusted, providing mosaic antigen distribution and reflecting the varying viral antigen loads observed in patients...
July 14, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28713447/knowledge-about-blood-borne-pathogens-and-the-prevalence-of-needle-stick-injuries-among-medical-students-in-serbia
#15
Vuk Marusic, Ljiljana Markovic-Denic, Olivera Djuric, Dragana Protic, Emilija Dubljanin-Raspopovic
INTRODUCTION: Medical students are mainly exposed to needle stick and sharp object injuries in the course of their clinical activities during studying. They are at high risk due to their undeveloped skills, restricted clinical experience, lack of knowledge and risk perception. The objectives of this study were to determine the prevalence of needle stick injuries of the fourth and final year medical students, and to estimate their knowledge about blood-borne pathogens disease transmission and standard precautions...
September 2017: Zdravstveno Varstvo
https://www.readbyqxmd.com/read/28712659/pre-travel-care-for-immunocompromised-and-chronically-ill-travellers-a-retrospective-study
#16
Mariëlle van Aalst, Roos Verhoeven, Freshta Omar, Cornelis Stijnis, Michèle van Vugt, Godelieve J de Bree, Abraham Goorhuis, Martin P Grobusch
BACKGROUND: Immunocompromised and chronically ill travellers (ICCITs) are susceptible to travel related diseases. In ICCITs, pre-travel care regarding vaccinations and prophylactics is complex. We evaluated the protection level by preventive measures in ICCITs by analysing rates of vaccination protection, antibody titres, and the prescription of standby antibiotics. METHODS: We analysed, and reported according to STROBE guidelines, pre-travel care data for ICCITs visiting the medical pre-travel clinic at the Academic Medical Centre, The Netherlands from 2011 to 2016...
July 13, 2017: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/28710874/association-between-universal-hepatitis-b-prison-vaccination-vaccine-uptake-and-hepatitis-b-infection-among-people-who-inject-drugs
#17
Norah E Palmateer, David J Goldberg, Alison Munro, Avril Taylor, Alan Yeung, Lesley A Wallace, Alan Mitchell, Samantha J Shepherd, Rory N Gunson, Celia Aitken, Sharon J Hutchinson
BACKGROUND AND AIMS: In Scotland, Hepatitis B virus (HBV) vaccination for all prisoners was introduced in 1999; here, we examine the impact of this programme among people who inject drugs (PWID) in the community. This study aimed to compare rates of HBV vaccine uptake before and after implementation of the prison programme and to estimate the determinants of vaccine uptake, the levels of ever/current HBV infection and the associations between vaccine uptake and ever/current HBV infection...
July 15, 2017: Addiction
https://www.readbyqxmd.com/read/28708951/control-of-a-community-outbreak-of-hepatitis-a-in-an-area-of-low-endemicity-wales-2016
#18
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/28706073/mouse-models-of-acute-and-chronic-hepacivirus-infection
#19
Eva Billerbeck, Raphael Wolfisberg, Ulrik Fahnøe, Jing W Xiao, Corrine Quirk, Joseph M Luna, John M Cullen, Alex S Hartlage, Luis Chiriboga, Kalpana Ghoshal, W Ian Lipkin, Jens Bukh, Troels K H Scheel, Amit Kapoor, Charles M Rice
An estimated 71 million people worldwide are infected with hepatitis C virus (HCV). The lack of small-animal models has impeded studies of antiviral immune mechanisms. Here we show that an HCV-related hepacivirus discovered in Norway rats can establish high-titer hepatotropic infections in laboratory mice with immunological features resembling those seen in human viral hepatitis. Whereas immune-compromised mice developed persistent infection, immune-competent mice cleared the virus within 3 to 5 weeks. Acute clearance was T cell dependent and associated with liver injury...
July 14, 2017: Science
https://www.readbyqxmd.com/read/28705230/changes-in-hepatitis-b-virus-antibody-titers-over-time-among-children-a-single-center-study-from-2012-to-2015-in-an-urban-of-south-korea
#20
Kyeong Hun Lee, Kyu Seok Shim, In Seok Lim, Soo Ahn Chae, Sin Weon Yun, Na Mi Lee, Young Bae Choi, Dae Yong Yi
BACKGROUND: Hepatitis B virus (HBV) infection is the most common cause of liver disease in endemic areas such as South Korea. After HBV vaccination, hepatitis B surface antibody (HBsAb) titers gradually decrease. Trends in HBsAb titers have not been evaluated among children in South Korea over the past decade. METHODS: We screened 6155 patients (aged 7 months to 17 years) who underwent HBV antigen/antibody testing at Chung-Ang University Hospital from May 2012 to April 2015...
July 14, 2017: BMC Pediatrics
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