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https://www.readbyqxmd.com/read/27922198/dnmt1-modulation-in-chronic-hepatitis-b-patients-and-hypothetic-influence-on-mitochondrial-dna-methylation-status-during-long-term-nucleo-t-side-analogues-therapy
#1
Giordano Madeddu, Silvia Ortu, Giovanni Garrucciu, Ivana Maida, Michela Melis, Alberto Augusto Muredda, Maria Stella Mura, Sergio Babudieri
Inhibition of viral replication is the most important goal in patients with Hepatitis B virus chronic infection (CHB). Currently, five oral nucleo(t)side analogues (NAs), including Lamivudine, Adefovir, Telbivudine, Entecavir and Tenofovir, have been approved for treatment. The widespread use of NAs has also been linked with a progressive growth of unlikely anomaly attributable to mitochondrial dysfunctions, not previously recognized. Here we explore the hypothesis that NAs may cause persistent epigenetic changes during prolonged NAs therapy in CHB patients...
December 6, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27922197/variability-in-the-performance-characteristics-of-igg-anti-hev-assays-and-its-impact-on-reliability-of-seroprevalence-rates-of-hepatitis-e
#2
Maja Kodani, Nourine Ahmed, Alexandra Tejada-Strop, Amanda Poe, Maxine M Denniston, Jan Drobeniuc, Saleem Kamili
Hepatitis E is a major public health problem in developing countries and is increasingly being recognized as a cause of substantial sporadic viral hepatitis infections in industrialized countries. Variable rates of hepatitis E seroprevalence have been reported from the same geographic regions depending on the assay used. In this study, we evaluated the performance characteristics of four assays which included two commercial assays, Wantai HEV-IgG ELISA kit (Wantai, China) and DS-EIA-ANTI-HEV-G kit (DSI, Italy), one NIH-developed immunoassay (NIH-55K, Kuniholm et al...
December 6, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27920641/severe-de-novo-hepatitis-b-recovered-from-late-onset-liver-insufficiency-with-prolonged-ascites-and-hypoalbuminemia-due-to-hepatitis-b-virus-genotype-bj-with-precore-mutation
#3
Akira Sato, Toshiya Ishii, Fumiaki Sano, Takayuki Yamada, Hideaki Takahashi, Nobuyuki Matsumoto
De novo hepatitis B is associated with a high risk of hepatic failure often resulting in fatal fulminant hepatitis even when nucleotide analogues are administered. A 77-year-old female developed de novo hepatitis B after R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone) treatment for diffuse large B-cell lymphoma. Hepatitis B virus (HBV) isolated from the patient was of genotype Bj, with a precore mutation (G1896A) exhibiting an extremely high viral load at the onset of hepatitis...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920482/hepatitis-c-virus-therapy-with-peg-interferon-and-ribavirin-in-myanmar-a-resource-constrained-country
#4
Naomi Khaing Than Hlaing, Debolina Banerjee, Robert Mitrani, Soe Htet Arker, Kyaw San Win, Nyan Lin Tun, Zaw Thant, Khin Maung Win, K Rajender Reddy
AIM: To investigate peg-interferon (peg-IFN) and ribavirin (RBV) therapy in Myanmar and to predict sustained virologic response (SVR). METHODS: This single-center, open-label, study was conducted in Myanmar between 2009 and 2014. A total of 288 patients infected with HCV genotypes 1, 2, 3 and 6 were treated with peg-IFN alpha-2a (180 μg/wk) or alpha-2b (50 to 100 μg as a weight-based dose) and RBV as a weight-based dose (15 mg/kg/d). Treatment duration was 48 wk for genotypes 1 and 6, 24 wk for genotype 2, and 24 or 48 wk for genotype 3 based on rapid virologic response (RVR)...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920481/new-real-time-pcr-method-to-identify-single-point-mutations-in-hepatitis-c-virus
#5
Qian Chen, Irene Belmonte, Maria Buti, Leonardo Nieto, Damir Garcia-Cehic, Josep Gregori, Celia Perales, Laura Ordeig, Meritxell Llorens, Maria Eugenia Soria, Rafael Esteban, Juan Ignacio Esteban, Francisco Rodriguez-Frias, Josep Quer
AIM: To develop a fast, low-cost diagnostic strategy to identify single point mutations in highly variable genomes such as hepatitis C virus (HCV). METHODS: In patients with HCV infection, resistance-associated amino acid substitutions within the viral quasispecies prior to therapy can confer decreased susceptibility to direct-acting antiviral agents and lead to treatment failure and virological relapse. One such naturally occurring mutation is the Q80K substitution in the HCV-NS3 protease gene, which confers resistance to PI inhibitors, particularly simeprevir...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920474/hepatitis-b-virus-upregulates-host-expression-of-%C3%AE-1-2-mannosidases-via-the-ppar%C3%AE-pathway
#6
Song Hu, Li-Bin Jiang, Xiao-Jing Zou, Wei Yi, De-Ying Tian
AIM: To assess the effects of hepatitis B virus (HBV) on the expression of host α-1,2-mannosidases and determine the underlying mechanisms. METHODS: We measured the expression levels of MAN1A1, MAN1A2, MAN1B1, and MAN1C1 in cell lines HepG2.2.15, HepN10, HepAD38 and HepG2 by Western blot. Viral antigens (HBsAg and HBeAg) in the culture medium were measured using the chemiluminescence method. HBV DNA quantification assays were performed using a commercial real-time PCR kit...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920392/knowledge-attitudes-and-practices-of-health-care-workers-about-viral-hepatitis-b-and-c-in-south-kivu
#7
Tony Akilimali Shindano, Esto Bahizire, René Fiasse, Yves Horsmans
Health-care workers (HCWs) are at risk of infections associated with accidental exposure to blood, including viral hepatitis B (HBV) and C (HCV). A survey using a questionnaire was conducted on 250 HCW in Bukavu, an eastern town of the Democratic Republic of Congo, to analyze their attitude and knowledge about these two viruses. A response rate of 86.8% (217/250) was obtained. The mean age of respondents was 39.6 ± 9.8 years, in majority from paramedical staff (66.4%) and with more than 5 years of professional experience (60...
December 5, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27917600/determination-of-hepatitis-b-phenotype-using-biochemical-and%C3%A2-serological-markers
#8
A M Di Bisceglie, M Lombardero, J Teckman, L Roberts, H L A Janssen, S H Belle, J H Hoofnagle
The aim of this study was to assess the validity of categorization of chronic hepatitis B viral infection into stages or phases based upon measures of disease activity and viral load, assuming these phenotypes will be useful for prognostication and determining the need for antiviral therapy. We assessed the phenotype of hepatitis B of 1,390 adult participants enrolled in the Hepatitis B Research Network Cohort Study, using a computer algorithm. Only 4% were immune tolerant, while 35% had chronic hepatitis B (18% e antigen positive and 17% e antigen negative) while 23% were inactive carriers...
December 5, 2016: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/27917568/clinical-characteristics-and-outcomes-of-patients-with-recurrent-chronic-hepatitis-b-after-nucleos-t-ide-analog-withdrawal-with-stringent-cessation-criteria-a-prospective-cohort-study
#9
Zhirong Liu, Feng Liu, Lei Wang, Youde Liu, Meng Zhang, Tao Li
AIM: The aim of this study was to explore the clinical characteristics and outcomes of patients with recurrent chronic hepatitis B meeting the cessation criteria outlined by the 2008 Asian Pacific Association for the Study of the Liver guidelines. METHODS: In total, 223 chronic hepatitis B patients who met the cessation criteria and discontinued nucleos(t)ide analog therapy were prospectively included. They were monitored monthly during the first 4 months and every 3-6 months thereafter...
November 7, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/27917563/outcome-of-hepatitis-b-and-c-virus-associated-hepatocellular-carcinoma-occurring-after-renal-transplantation
#10
N Kanaan, C Raggi, E Goffin, M De Meyer, M Mourad, M Jadoul, C Beguin, B Kabamba, I Borbath, Y Pirson, Z Hassoun
Kidney transplant recipients (KTR) are subjected to immunosuppressive therapy that can enhance hepatitis B and C virus replication, leading to cirrhosis and hepatocellular carcinoma (HCC). The aim of this study was to assess the prevalence and outcome of HCC in KTR. Case-control study. Patients with chronic HBV and/or HCV infection who underwent kidney transplantation between 1976 and 2011 and subsequently developed HCC were compared to a control group of patients with chronic HBV and/or HCV infection, matched for gender and age at HCC diagnosis, who did not receive kidney transplantation...
December 5, 2016: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/27917363/future-therapy-for-hepatitis-b-virus-role-of-immunomodulators
#11
REVIEW
Edward A Pham, Ryan B Perumpail, Benjamin J Fram, Jeffrey S Glenn, Aijaz Ahmed, Robert G Gish
Although currently available therapies for chronic hepatitis B virus infection can suppress viremia and provide long-term benefits for patients, they do not lead to a functional cure for most patients. Advances in our understanding of the virus-host interaction and the recent remarkable success of immunotherapy in cancer offer new and promising strategies for developing immune modulators that may become important components of a total therapeutic approach to hepatitis B, some of which are now in clinical development...
2016: Current Hepatology Reports
https://www.readbyqxmd.com/read/27917263/changes-in-cellular-proliferation-and-plasma-products-are-associated-with-liver-failure
#12
Juliana Gil Melgaço, Frederico Marianetti Soriani, Pedro Henrique Ferreira Sucupira, Leonardo Assaf Pinheiro, Yasmine Rangel Vieira, Jaqueline Mendes de Oliveira, Lia Laura Lewis-Ximenez, Cristina Carvalho Vianna Araújo, Lúcio Filgueiras Pacheco-Moreira, Gustavo Batista Menezes, Oswaldo Gonçalves Cruz, Claudia Lamarca Vitral, Marcelo Alves Pinto
AIM: To study the differences in immune response and cytokine profile between acute liver failure and self-limited acute hepatitis. METHODS: Forty-six patients with self-limited acute hepatitis (AH), sixteen patients with acute liver failure (ALF), and twenty-two healthy subjects were involved in this study. The inflammatory and anti-inflammatory products in plasma samples were quantified using commercial enzyme-linked immunoassays and quantitative real-time PCR...
November 18, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27917261/anti-hepatitis-c-virus-drugs-and-kidney
#13
REVIEW
Paul Carrier, Marie Essig, Marilyne Debette-Gratien, Denis Sautereau, Annick Rousseau, Pierre Marquet, Jérémie Jacques, Véronique Loustaud-Ratti
Hepatitis C virus (HCV) mainly targets the liver but can also induce extrahepatic manifestations. The kidney may be impacted via an immune mediated mechanism or a cytopathic effect. HCV patients are clearly at a greater risk of chronic kidney disease (CKD) than uninfected patients are, and the presence of CKD increases mortality. Interferon-based therapies and ribavirin are difficult to manage and are poorly effective in end-stage renal disease and hemodialysis. These patients should be given priority treatment with new direct anti-viral agents (DAAs) while avoiding peginterferon and ribavirin...
November 18, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27917199/molecular-and-serological-detection-of-occult-hepatitis-b-virus-among-healthy-hepatitis-b-surface-antigen-negative-blood-donors-in-malaysia
#14
Shuaibu A Hudu, Nabil S Harmal, Mohammed I Saeed, Ahmad S Alshrari, Yasmin A Malik, Mohd T Niazlin, Roshida Hassan, Zamberi Sekawi
BACKGROUND: Occult hepatitis B infections are becoming a major global threat, but the available data on its prevalence in various parts of the world are often divergent. OBJECTIVE: This study aimed to detect occult hepatitis B virus in hepatitis B surface antigen-negative serum using anti-HBc as a marker of previous infection. PATIENT AND METHODS: A total of 1000 randomly selected hepatitis B surface antigen-negative sera from blood donors were tested for hepatitis B core antibody and hepatitis B surface antibody using an ELISA and nested polymerase chain reaction was done using primers specific to the surface gene (S-gene)...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27916360/combined-resection-and-rfa-in-colorectal-liver-metastases-stratification-of-long-term-outcomes
#15
Kazunari Sasaki, Georgios A Margonis, Nikolaos Andreatos, Yuhree Kim, Ana Wilson, Faiz Gani, Neda Amini, Timothy M Pawlik
BACKGROUND: Combined hepatic resection and radiofrequency ablation (resection-RFA) is a widely accepted multidisciplinary treatment for unresectable colorectal cancer liver metastases. Worse prognosis after resection-RFA is correlated to tumor morphology, although unfavorable morphology is inherent to this patient cohort. This study aimed to select patients who may or may not benefit from resection-RFA with the aid of tumor biology. METHOD: Data from 485 patients who underwent curative hepatectomy with or without concurrent RFA were retrospectively collected and analyzed...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27915966/hepatitis-c-virus-in-the-renal-transplant-population-an-update-with-focus-on-the-new-era-of-antiviral-regimens
#16
Osama Gheith, Medhat A Halim, Nashwa Othman, Torki Al-Otaibi, Prasad Nair, Naryanan Nampoory
Chronic hepatitis C virus infection is a global health problem, especially among renal transplant recipients. Herein, we present an overview of hepatitis C virus among renal transplant patients, with a focus on some updated aspects concerning types of viral genotypes, methods of diagnosis, the effects of renal transplant on hepatitis C virus infection, and summary of hepatitis C virus-related complications after renal transplant. We also discuss patient and graft survival rates and the present and future therapeutic options with special focus on new antiviral and possible interactions with immunosuppressive medications...
December 2, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27915131/the-efficacy-and-safety-comparison-between-tenofovir-and-entecavir-in-treatment-of-chronic-hepatitis-b-and-hbv-related-cirrhosis-a-systematic-review-and-meta-analysis
#17
Ying Han, Ajuan Zeng, Huiyu Liao, Yanmin Liu, Yuhan Chen, Huiguo Ding
BACKGROUND: The purpose of this study was to assess the efficacy and safety between tenofovir and entecavir in the treatment of CHB and HBV related cirrhosis through Meta-analysis. Methods The electronic databases of PubMed, the Cochrane Library, Nature, CNKI and WanFang data were searched. The key words were: ("tenofovir", "entecavir") and ("Chronic Hepatitis B" or "CHB") and "Liver cirrhosis". Heterogeneity and report bias were analyzed. RESULTS: There was significant difference of ALT norm level in the short-term period of 3months (RR=1...
December 1, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27914803/effectiveness-of-direct-acting-antivirals-in-hepatitis-c-virus-infection-in-haemodialysis-patients
#18
Soraya Abad, Almudena Vega, Diego Rincón, Eduardo Hernández, Evangelina Mérida, Nicolás Macías, Raquel Muñoz, Mónica Milla, Jose Luño, Juan Manuel López-Gómez
Hepatitis C virus (HCV) infection is highly prevalent among patients on haemodialysis and leads to a poorer prognosis compared to patients who do not have said infection. Treatment with interferon and ribavirin is poorly tolerated and there are limited data on the experience with new direct-acting antivirals (DAAs). The aim of this study is to retrospectively analyse the current prevalence of HCV infection and efficacy and safety results with different DAA regimens in the haemodialysis population of 2hospital areas...
November 30, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/27914021/surface-modified-cobalt-ferrite-nanoparticles-for-rapid-capture-detection-and-removal-of-pathogens-a-potential-material-for-water-purification
#19
Raghvendra A Bohara, Nanasaheb D Throat, Nayeem A Mulla, Shivaji H Pawar
Enteric infections resulting from the consumption of contaminated drinking water, inadequate supply of water for personal hygiene, and poor sanitation take a heavy toll worldwide, and developing countries are the major sufferers. Consumption of microbiologically contaminated water leads to diseases such as amoebiasis, cholera, shigellosis, typhoid, and viral infections leading to gastroenteritis and hepatitis B. The present investigation deals with the development of effective method to capture and eliminate microbial contamination of water and improve the quality of water and thus decreasing the contaminated waterborne infections...
December 2, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27911488/hepatocellular-carcinoma-as-an-emerging-morbidity-in-the-thalassemia-syndromes-a-comprehensive-review
#20
REVIEW
Hassan M Moukhadder, Racha Halawi, Maria Domenica Cappellini, Ali T Taher
The incidence of hepatocellular carcinoma (HCC) in patients with thalassemia is on the rise. The 2 well recognized HCC risk factors in thalassemia are iron overload and chronic viral infection with hepatitis C. The carcinogenicity of iron is related to its induction of oxidative damage, which results in genotoxicity, and to immunologic dysregulation, which attenuates cancer immune surveillance. Chronic hepatitis B and C infections lead to necroinflammation, which can prompt progression to HCC, but an independent role of hepatitis B virus in hepatic carcinogenesis among patients with thalassemia has not been demonstrated...
December 1, 2016: Cancer
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