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https://www.readbyqxmd.com/read/29168441/detection-of-hev-specific-antibodies-in-four-non-human-primate-species-including-great-apes-from-different-zoos-in-germany
#1
C Spahr, T Knauf-Witzens, L Dähnert, M Enders, M Müller, R Johne, R G Ulrich
The hepatitis E virus (HEV) has been described in humans and various animal species in different regions of the world. However, the knowledge on natural HEV infection in non-human primates and the corresponding risk of zoonotic transmission is scarce. To determine whether primates in captivity are affected by HEV infection, we investigated 259 individual sera of clinically healthy non-human primates of 14 species from nine German zoos. Using a commercial double-antigen-sandwich ELISA and a commercial IgG ELISA, 10 animals (3·9%) reacted positive in at least one assay...
November 23, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29167460/early-vaccination-protects-against-childhood-leukemia-a-systematic-review-and-meta-analysis
#2
Mostafa Ebraheem Morra, Nguyen Dang Kien, Ahmed Elmaraezy, Omar Ayman M Abdelaziz, Ahmed Lotfy Elsayed, Oday Halhouli, Ahmed Mosaad Montasr, Tran Le-Huy Vu, Chau Ho, Amr Sayed Foly, Anh Phan Phi, Wessam Magdy Abdullah, Marina Mikhail, Elizabeth Milne, Kenji Hirayama, Nguyen Tien Huy
Leukemia is the most commonly diagnosed childhood cancer, although its etiology is still largely unknown. Growing evidence supports a role for infection in the etiology of acute lymphocytic leukemia (ALL), and the involvement of the immune system suggests that vaccination may also play a role. However, the findings presented in the published literature are inconsistent. Therefore, we conducted a PRISMA systematic review and meta-analysis. 14 studies were identified and meta-analyzed. Vaccinations studied comprised Bacillus Calmette-Guérin (BCG) vaccine, Triple vaccine, Hepatitis B vaccine (HBV), Polio, Measles, Rubella, Mumps, trivalent MMR vaccine and Haemophilus influenza type B (HiB) vaccine...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29166358/comment-on-mars-system-effectively-replaces-hepatic-function-in-severe-acute-liver-failure
#3
Constantine J Karvellas, Richard Todd Stravitz, Robert J Fontana, Daniel Ganger, William M Lee
No abstract text is available yet for this article.
November 21, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29165013/efficacy-and-safety-of-native-versus-pegylated-escherichia-coli-asparaginase-for-treatment-of-adults-with-high-risk-philadelphia-chromosome-negative-acute-lymphoblastic-leukemia
#4
Josep-Maria Ribera, Mireia Morgades, Pau Montesinos, Rodrigo Martino, Pere Barba, Beatriz Soria, Arancha Bermúdez, María-José Moreno, José González-Campos, Susana Vives, Cristina Gil, Eugenia Abella, Ramon Guàrdia, Daniel Martínez-Carballeira, Pilar Martínez-Sánchez, María-Luz Amigo, Santiago Mercadal, Alfons Serrano, Aurelio López-Martínez, Ferran Vall-Llovera, María-José Sánchez-Sánchez, María-Jesús Peñarrubia, María Calbacho, Jose-Angel Méndez, Juan Bergua, Antonia Cladera, Mar Tormo, Daniel García-Belmonte, Evarist Feliu, Juana Ciudad, Alberto Orfao
Native or pegylated (PEG) asparaginase (ASP) are commonly used in treatment of acute lymphoblastic leukemia (ALL), but have been scarcely compared in the same trial in adult patients. Native vs. PEG-ASP administered according to availability in each center were prospectively evaluated in adults with high-risk ALL. Ninety-one patients received native ASP and 35 PEG-ASP in induction. No significant differences were observed in complete remission, minimal residual disease levels after induction and after consolidation, disease-free survival, and overall survival...
November 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29164762/recalibrated-meld-and-hepatic-encephalopathy-are-prognostic-factors-in-cirrhotic-patients-with-acute-variceal-bleeding
#5
Marika Rudler, Christophe Bureau, Nicolas Carbonell, Philippe Mathurin, Faouzi Saliba, Arianne Mallat, Julien Massard, Jean-Louis Golmard, Brigitte Bernard-Chabert, Nina Dib, Dominique Thabut
BACKGROUND: Early TIPS placement must be considered in patients with Child-Pugh B and active bleeding at endoscopy or in patients with Child-Pugh C 10-13 and variceal bleeding. However, active bleeding at endoscopy is a subjective criterion. Moreover, a previous study has shown that a MELD-based score accurately predicted 6-week mortality and helped to stratify patients. Using a prospective series of patients included in a multicentre study before the era of early TIPS, we aimed (1) to identify factors associated with 6-week mortality, focusing on the prognostic value of active bleeding; and (2) to assess whether a recalibrated MELD-based score accurately predicted 6-week mortality...
November 22, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29164488/spontaneous-elimination-of-hepatitis-c-virus-infection
#6
Maciej Janiak, Kamila Caraballo Cortes, Urszula Demkow, Marek Radkowski
Hepatitis C virus (HCV) is the etiological agent of chronic hepatitis C and a major cause of liver cirrhosis and hepatocellular carcinoma. Only a minority of infected individuals can clear the virus spontaneously. The knowledge of the determinants of virus clearance would allow the development of effective methods preventing its further spread and optimizing treatment regimens. Viral factors associated with spontaneous virus clearance in the acute phase of infection, such as HCV genotype, virus heterogeneity, and the impact of viral proteins on the immune system have been characterized...
November 22, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29164410/increased-batf-expression-is-associated-with-the-severity-of-liver-damage-in-patients-with-chronic-hepatitis-b
#7
Li-Yuan Wang, Yu-Chen Fan, Jing Zhao, Xiang-Fen Ji, Kai Wang
T helper (Th) 17 cells have a critical role in the pathogenesis of chronic hepatitis B virus (HBV) infection, and basic leucine zipper transcription factor, ATF-like (BATF) is a newly identified transcriptional factor regulating the differentiation of Th17 cells. However, its precise role in patients with chronic hepatitis B remains unclear. Sixty chronic hepatitis B (CHB) patients, twenty-two acute-on-chronic hepatitis B liver failure (ACHBLF) patients and seventeen healthy controls were included in our study...
November 21, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29164400/hepatitis-c-virus-infection-among-illicit-drug-users-in-an-archipelago-of-the-amazon
#8
Fabricio Q Silva, Francisco J A Santos, Andreia P Andrade, Suzy D B Pacheco, Benedikt Fischer, João Renato R Pinho, José Alexandre R Lemos, Aldemir B Oliveira-Filho
Hepatitis C virus (HCV) infection causes acute and chronic liver disease and may lead to cirrhosis, liver failure or hepatocellular carcinoma. The behavior of illicit drug users (DUs) typically exposes them to risks of viral infection. In the Brazilian Amazon region, a number of studies have identified high rates of drug use among adolescents, and a high prevalence of HBV infection in DUs, disseminated by sexual and parenteral activities. However, the epidemiological scenario of HCV infection in the region is still poorly understood...
November 21, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29163992/cd56-negative-aggressive-nk-cell-leukemia-relapsing-as-multiple-cranial-nerve-palsies-case-report-and-literature-review
#9
M Guerreiro, F Príncipe, M J Teles, S Fonseca, A H Santos, E Fonseca, P Gomes, C Marques, M Lima
Background: Aggressive natural killer cell leukemia (ANKL) is extremely rare and habitually manifests as a systemic disease with multiorgan failure that rapidly evolves to death. The neoplastic natural killer (NK) cells usually harbor the Epstein-Barr virus (EBV) with a latent viral infection pattern type II; they often have a cytoplasmic CD3ε(+) and surface CD3(-), CD2(+), and CD56(+) immunophenotype, and they show complex genetic abnormalities affecting multiple tumor suppressor genes and oncogenes...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29162143/prevalence-and-risk-of-hepatitis-e-virus-infection-in-the-hiv-population-of-nepal
#10
Ananta Shrestha, Anurag Adhikari, Manjula Bhattarai, Ramanuj Rauniyar, Jose D Debes, André Boonstra, Thupten K Lama, Mamun Al Mahtab, Amna Subhan Butt, Sheikh Mohammad Fazle Akbar, Nirmal Aryal, Sapana Karn, Krishna Das Manandhar, Birendra Prasad Gupta
BACKGROUND: Infection with the hepatitis E virus (HEV) can cause acute hepatitis in endemic areas in immune-competent hosts, as well as chronic infection in immune-compromised subjects in non-endemic areas. Most studies assessing HEV infection in HIV-infected populations have been performed in developed countries that are usually affected by HEV genotype 3. The objective of this study is to measure the prevalence and risk of acquiring HEV among HIV-infected individuals in Nepal. METHODS: We prospectively evaluated 459 Human Immunodeficiency Virus (HIV)-positive individuals from Nepal, an endemic country for HEV, for seroprevalence of HEV and assessed risk factors associated with HEV infection...
November 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/29161793/effect-of-rifaximin-on-hepatic-fibrosis-in-bile-duct-ligated-rat-model
#11
Seung Kak Shin, Oh Sang Kwon, Jong Joon Lee, Yeon Ho Park, Cheol Soo Choi, Sung Hwan Jeong, Duck Joo Choi, Yun Soo Kim, Ju Hyun Kim
Background/Aims: The translocation of bacteria and their lipopolysaccharides from the gut can promote fibrosis in cirrhotic patients. The aim of this study was to investigate the effects of rifaximin on hepatic fibrosis in a bile duct-ligated rat model. Methods: The bile duct ligation (BDL) was carried out for eight days (acute injury model: sham-operated rats [G1], BDL rats [G2], and BDL rats treated with rifaximin [G3]) or 22 days (chronic injury model: sham-operated rats [G4], BDL rats [G5], and BDL rats treated with rifaximin [G6])...
November 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29161418/no-improvement-in-hemoglobin-a1c-following-hepatitis-c-viral-clearance-in-patients-with-and-without-hiv
#12
Chloe S Chaudhury, Julia Sheehan, Cheryl Chairez, Elizabeth Akoth, Chloe Gross, Rachel Silk, Sarah Kattakuzhy, Elana Rosenthal, Shyam Kottilil, Henry Masur, Colleen Hadigan
Hepatitis C clearance with directly acting antivirals (DAAs) may be associated with acute decreases in hemoglobin A1c (HbA1c). We prospectively evaluated 251 chronic hepatitis C virus (HCV)-infected subjects (31% human immunodeficiency virus [HIV] positive) pre- and post-DAA therapy (median follow-up 28 months). Changes in HbA1c and glucose were minimal and did not differ by sustained virologic response (SVR), HIV, diabetes, or fibrosis. Following SVR, mean change in HbA1c was -0.022 ± 0.53%; however, total and low-density lipoprotein cholesterol increased significantly...
November 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29160516/hepatitis-e-seroprevalence-and-associated-factors-in-rural-settlers-in-central-brazil
#13
Nara Rubia de Freitas, Sheila Araújo Teles, Karlla Antonieta Amorim Caetano, Marcos Andre de Matos, Megmar Aparecida Dos Santos Carneiro, Noemi Rovaris Gardinali, Marcelo Alves Pinto, Regina Maria Bringel Martins
INTRODUCTION: Prevalence of hepatitis E virus (HEV) infection and associated factors were investigated in rural settlements in Central Brazil. METHODS: A total of 464 settlers were interviewed, and serum samples were tested for anti-HEV IgG/IgM. Positive samples were tested for HEV RNA. RESULTS: Sixteen participants (3.4%; 95% CI 2.0-5.7) were positive for anti-HEV IgG. None was positive for anti-HEV IgM. HEV RNA was not detected. Dwelling in a rural settlement for >5 years was associated with HEV seropositivity...
September 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29159839/increased-renal-echogenicity-in-children-with-appendicitis
#14
Hila Tal, Daniel Ben-Mordechay, Aviva Ben-Shlush, Lisa Raviv-Zilka, Michalle Soudack
OBJECTIVES: Ultrasound (US) is an important modality for the detection of acute appendicitis in children but has limited sensitivity and specificity. Therefore, additional US findings may contribute to the diagnosis. In our experience, children with acute appendicitis often have increased renal cortical echogenicity on US imaging. The purpose of this study was to examine the association of increased renal cortical echogenicity with appendicitis. METHODS: This study included 240 consecutive pediatric patients with no renal or liver disease who underwent US examinations for suspected appendicitis between February 2014 and January 2016...
November 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29158815/tethering-interleukin-22-to-apolipoprotein-a-i-ameliorates-mice-from-acetaminophen-induced-liver-injury
#15
Wei Chen, Xuyao Zhang, Jiajun Fan, Wenjing Zai, Jingyun Luan, Yubin Li, Shaofei Wang, Qicheng Chen, Yichen Wang, Yanxu Liang, Dianwen Ju
Increasing evidence indicates that interleukin-22 (IL-22) holds tremendous potential as a protective agent in preventing liver injury, but its pleiotropic effects and pathogenic role in carcinogenesis, rheumatoid arthritis and psoriasis restrict its systemic application. Here, we first developed a nanoparticle (liposIA) as a liver-targeted agent through IL-22 tethered to apolipoprotein A-I (ApoA-I) in a gene therapy vector. LiposIA was prepared using thin film dispersion method and the complexes exhibited desirable nanoparticle size, fine polydisperse index, highly efficient transfection, and excellent serum and storage stability...
2017: Theranostics
https://www.readbyqxmd.com/read/29158528/fine-mapping-of-genetic-loci-driving-spontaneous-clearance-of-hepatitis-c-virus-infection
#16
Hailiang Huang, Priya Duggal, Chloe L Thio, Rachel Latanich, James J Goedert, Alessandra Mangia, Andrea L Cox, Gregory D Kirk, Shruti Mehta, Jasneet Aneja, Laurent Alric, Sharyne M Donfield, Matthew E Cramp, Salim I Khakoo, Leslie H Tobler, Michael Busch, Graeme J Alexander, Hugo R Rosen, Brian R Edlin, Florencia P Segal, Georg M Lauer, David L Thomas, Mark J Daly, Raymond T Chung, Arthur Y Kim
Approximately three quarters of acute hepatitis C (HCV) infections evolve to a chronic state, while one quarter are spontaneously cleared. Genetic predispositions strongly contribute to the development of chronicity. We have conducted a genome-wide association study to identify genomic variants underlying HCV spontaneous clearance using ImmunoChip in European and African ancestries. We confirmed two previously reported significant associations, in the IL28B/IFNL4 and the major histocompatibility complex (MHC) regions, with spontaneous clearance in the European population...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29157309/recent-knowledge-on-hepatitis-e-virus-in-suidae-reservoirs-and-transmission-routes-to-human
#17
REVIEW
Nicole Pavio, Virginie Doceul, Eugénie Bagdassarian, Reimar Johne
Hepatitis E virus (HEV) causes self-limiting acute hepatitis in humans that can eventually result in acute liver failures or progress to chronic infections. While in tropical and sub-tropical areas, HEV infections are associated with important waterborne epidemics, in Northern countries, HEV infections are autochthonous with a zoonotic origin. In the past decade, it has become clear that certain HEV genotypes are zoonotic and that swine, and more generally Suidae, are the main reservoir. Zoonotic transmissions of the virus may occur via direct contact with infected pigs, wild boars or consumption of contaminated meat...
November 21, 2017: Veterinary Research
https://www.readbyqxmd.com/read/29156567/the-role-of-infected-cell-proliferation-in-the-clearance-of-acute-hbv-infection-in-humans
#18
Ashish Goyal, Ruy M Ribeiro, Alan S Perelson
Around 90-95% of hepatitis B virus (HBV) infected adults do not progress to the chronic phase and, instead, recover naturally. The strengths of the cytolytic and non-cytolytic immune responses are key players that decide the fate of acute HBV infection. In addition, it has been hypothesized that proliferation of infected cells resulting in uninfected progeny and/or cytokine-mediated degradation of covalently closed circular DNA (cccDNA) leading to the cure of infected cells are two major mechanisms assisting the adaptive immune response in the clearance of acute HBV infection in humans...
November 18, 2017: Viruses
https://www.readbyqxmd.com/read/29156047/immunopathogenesis-of-hepatitis-b-virus
#19
Tai-Chung Tseng, Li-Rung Huang
Chronic hepatitis B virus (HBV) infection is a global public health issue. There are >250 million people chronically infected with HBV, and these chronic carriers are at high risk of developing end-stage liver diseases and hepatocellular carcinoma. Patients with chronic hepatitis B (CHB) usually acquire the virus perinatally, while most patients infected during adulthood develop acute hepatitis B (AHB), which usually results in viral clearance. HBV infection is noncytopathic, and liver injury is mostly contributed by host immune responses...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29154369/hepatitis-e-virus-infection
#20
REVIEW
Nassim Kamar, Jacques Izopet, Nicole Pavio, Rakesh Aggarwal, Alain Labrique, Heiner Wedemeyer, Harry R Dalton
Hepatitis E virus (HEV) infection can lead to acute and chronic hepatitis as well as to extrahepatic manifestations such as neurological and renal disease; it is the most common cause of acute viral hepatitis worldwide. Four genotypes are responsible for most infection in humans, of which HEV genotypes 1 and 2 are obligate human pathogens and HEV genotypes 3 and 4 are mostly zoonotic. Until quite recently, HEV was considered to be mainly responsible for epidemics of acute hepatitis in developing regions owing to contamination of drinking water supplies with human faeces...
November 16, 2017: Nature Reviews. Disease Primers
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