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Chronic hepatitis b

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https://www.readbyqxmd.com/read/29224133/epidemiology-of-chronic-hepatitis-b-virus-in-ireland-using-routinely-collected-surveillance-and-administrative-data-2004-2014
#1
Caroline E van Gemert, Niamh Murphy, Tara A Mitchell, Margaret E Hellard, Thornton Thornton
BACKGROUND: Ireland has a low prevalence of chronic hepatitis B virus (HBV) infection; however, there are limited recently published epidemiological data. This study aimed to describe the epidemiology of chronic HBV in Ireland between 2004 and 2014 using routine surveillance data and identify and interrogate additional data sources in Ireland to complement the interpretation of HBV surveillance data. METHODS: Routinely collected passive surveillance data of notified cases of HBV infection were collated for 2004-2014...
December 9, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29221787/evaluation-of-alternative-serum-biomarkers-to-monitor-the-progression-of-chronic-hbv-and-hcv-infection
#2
S Tsiomita, U Georgopoulou, P P Doumba, J Koskinas, K Adamidis, C Papaloukas, G Thyphronitis
Chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infections are among the most serious health conditions affecting about 600 million people worldwide leading to a number of severe liver diseases. Due to the lack of warning signs or mild symptoms during the early stage of the infection, a molecular signature associated with disease progression would be useful. Based on our recent paper where candidate biomarkers were determined through topological and modularity analysis of protein interaction networks (PINs), this study was focused on the evaluation of MIF, TNFRSF1A, FAS and TMSB4X as diagnostic biomarkers in chronic HBV and HCV infections...
December 5, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29221492/elevated-serum-%C3%AE-2-microglobulin-in-individuals-coinfected-with-hepatitis-b-and-hepatitis-d-virus-in-a-rural-settings-in-southwest-nigeria
#3
Lawrence Ehis Okoror, Ayodele Oluwaseun Ajayi, Oluwaseun Benjamin Ijalana
OBJECTIVE: Coinfection of hepatitis B virus (HBV) with hepatitis D virus (HDV) has being reported to increase severity of progression to hepatocellular carcinoma (HCC) and liver cirrhosis (LC). Beta microglobulin (2βM) which is present on the surfaces of blood cells in acceptable levels is a tumor marker which may become elevated in disease conditions. This study hence observed the prevalence of HBV and HDV coinfection in a rural population and their 2βM concentration. RESULTS: Of the 368 samples, 66 (17...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29221441/time-varying-serum-gradient-of-hepatitis-b-surface-antigen-predicts-risk-of-relapses-after-off-na-therapy
#4
Nai-Hsuan Chien, Yen-Tsung Huang, Chun-Ying Wu, Chi-Yang Chang, Ming-Shiang Wu, Jia-Horng Kao, Lein-Ray Mo, Chi-Ming Tai, Chih-Wen Lin, Tzeng-Huey Yang, Jaw-Town Lin, Yao-Chun Hsu
BACKGROUND: The serum gradient of hepatitis B surface antigen (HBsAg) varies over time after cessation of nucleos(t)ide analog (NA) treatment in patients with chronic hepatitis B (CHB). The association between the time-varying HBsAg serum gradient and risk of relapse has not been elucidated. METHODS: This multicenter cohort study prospectively enrolled CHB patients who discontinued 3 year-NA treatment. Eligible patients were serologically negative for HBeAg and viral DNA at NA cessation...
December 8, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/29221184/hepatitis-b-virus-x-protein-inhibits-apoptosis-by-modulating-endoplasmic-reticulum-stress-response
#5
Jia Li, Jiang He, Yongming Fu, Xingwang Hu, Lun-Quan Sun, Yan Huang, Xuegong Fan
Chronic Hepatitis B virus (HBV) infection is a major risk of hepatocellular carcinoma (HCC) worldwide. Hepatitis B virus X protein (HBx) is encoded by one of the four open reading frames of HBV, and is well known as an important coactivator for HBV replication and HBV-associated hepatocellular carcinogenesis. However, its role in keeping cells from apoptosis to promote HCC proliferation remains controversial. Here, we used HBx expressing HCC cells as a model, to investigate the mechanism of HBx-mediated cellular response to endoplasmic reticulum (ER) stress...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29218813/association-of-pnpla3-rs738409-polymorphism-with-liver-steatosis-but-not-with-cirrhosis-in-patients-with-hbv-infection-systematic-review-with-meta-analysis
#6
REVIEW
Saman Ghalamkari, Heidar Sharafi, Seyed Moayed Alavian
BACKGROUND AND AIM: Hepatitis B virus (HBV) infection is a worldwide health issue and is well known to be the main cause of developing secondary liver complications such as cirrhosis and hepatocellular carcinoma (HCC). The PNPLA3 rs738409 polymorphism has been investigated conclusively with occurrence risk of steatosis and cirrhosis. Therefore, performing a meta-analysis of the available studies with the aim of clarifying the association between rs738409 and occurrence risk of steatosis and cirrhosis among HBV-infected patients would be helpful...
December 7, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29218046/tlr2-expression-in-peripheral-cd4-t-cells-promotes-th17-response-and-is-associated-with-disease-aggravation-of-hepatitis-b-virus-related-acute-on-chronic-liver-failure
#7
Chunli Xu, Yinping Lu, Xin Zheng, Xuemei Feng, Xuecheng Yang, Joerg Timm, Jun Wu, Baoju Wang, Mengji Lu, Dongliang Yang, Jia Liu
Th17 responses have been shown to play crucial roles in the pathogenesis of hepatitis B virus (HBV)-associated acute-on-chronic liver failure (ACLF). The mechanism underlying the enhanced Th17 responses in these patients remains largely unclear. Here we investigated toll-like receptors (TLRs) expression in peripheral T cells and their roles in Th17 cell differentiation and disease aggravation in ACLF patients. 18 healthy subjects (HS), 20 chronic HBV-infected (CHB) patients, and 26 ACLF patients were enrolled and examined for TLRs expression in peripheral blood mononuclear cells (PBMCs)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29217749/hepatitis-delta-virus-persists-during-liver-regeneration-and-is-amplified-through-cell-division-both-in-vitro-and-in-vivo
#8
Katja Giersch, Oliver D Bhadra, Tassilo Volz, Lena Allweiss, Kristoffer Riecken, Boris Fehse, Ansgar W Lohse, Joerg Petersen, Camille Sureau, Stephan Urban, Maura Dandri, Marc Lütgehetmann
OBJECTIVE: Hepatitis delta virus (HDV) was shown to persist for weeks in the absence of HBV and for months after liver transplantation, demonstrating the ability of HDV to persevere in quiescent hepatocytes. The aim of the study was to evaluate the impact of cell proliferation on HDV persistence in vitro and in vivo. DESIGN: Genetically labelled human sodium taurocholate cotransporting polypeptide (hNTCP)-transduced human hepatoma(HepG2) cells were infected with HBV/HDV and passaged every 7 days for 100 days in the presence of the entry inhibitor Myrcludex-B...
December 7, 2017: Gut
https://www.readbyqxmd.com/read/29216721/alpha-2-macroglobulin-and-hyaluronic-acid-as-fibromarkers-in-patients-with-chronic-hepatitis-c
#9
B Pitekova, V Kupcova, E Uhlikova, V Mojto, L Turecky
BACKGROUND: Liver fibrosis is the final common pathway of chronic liver diseases of various etiology. From the practical standpoint, it would be ideal to have a noninvasive fibromarker. The aim of our study was to investigate the levels of alpha-2-macroglobulin, potential fibromarker, in correlation to histological staging and another potential fibromarker, hyaluronic acid, in patients with chronic hepatitis C. METHODS: Population groups in this study consisted of 51 healthy volunteers and 54 patients with chronic hepatitis C...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29216251/molecular-characterization-of-hepatitis-b-virus-in-bangladesh-reveals-a-highly-recombinant-population
#10
Saif Ullah Munshi, Thanh Thi Thanh Tran, Truc Nhu Thanh Vo, Shahina Tabassum, Nahida Sultana, Trang Hoa Nguyen, Munira Jahan, Chau Ngoc Le, Stephen Baker, Motiur Rahman
The natural history and treatment outcome of hepatitis B viruses (HBV) infection is largely dependent on genotype, subgenotype, and the presence or absence of virulence associated mutations. We have studied the prevalence of genotype and subgenotype as well as virulence and drug resistance associated mutations and prevalence of recombinant among HBV from Bangladesh. A prospective cross-sectional study was conducted among treatment naïve chronic HBV patients attending at Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh for HBV viral load assessment between June and August 2015...
2017: PloS One
https://www.readbyqxmd.com/read/29216213/a-multi-scale-spatial-model-of-hepatitis-b-viral-dynamics
#11
Quentin Cangelosi, Shawn A Means, Harvey Ho
Chronic hepatitis B viral infection (HBV) afflicts around 250 million individuals globally and few options for treatment exist. Once infected, the virus entrenches itself in the liver with a notoriously resilient colonisation of viral DNA (covalently-closed circular DNA, cccDNA). The majority of infections are cleared, yet we do not understand why 5% of adult immune responses fail leading to the chronic state with its collateral morbid effects such as cirrhosis and eventual hepatic carcinoma. The liver environment exhibits particularly complex spatial structures for metabolic processing and corresponding distributions of nutrients and transporters that may influence successful HBV entrenchment...
2017: PloS One
https://www.readbyqxmd.com/read/29215820/antiviral-efficacy-of-tenofovir-monotherapy-in-children-with-nucleos-t-ide-naive-chronic-hepatitis-b
#12
Jae Young Choe, Jae Sung Ko, Byung Ho Choe, Jung Eun Kim, Ben Kang, Kyung Jae Lee, Hye Ran Yang
BACKGROUND: The purpose was to compare the efficacy between tenofovir disoproxil fumarate (TDF) and lamivudine (LMV) in children with nucleos(t)ide-naive chronic hepatitis B (CHB) infection. Patients with CHB were treated with TDF in the immune-reactive phase and compared with a historical control group of patients treated with LMV before the TDF era. METHODS: Hepatitis B virus (HBV) DNA titer decrements (> 3 log₁₀ IU/mL) were monitored after treatment initiation...
January 8, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29215337/adherence-to-nucleoside-nucleotide-analogue-treatment-in-patients-with-chronic-hepatitis-b
#13
Emin Ediz Tütüncü, Rahmet Güner, Yunus Gürbüz, Ayşe Kaya Kalem, Barış Öztürk, İmran Hasanoğlu, İrfan Şencan, Mehmet A Taşyaran
BACKGROUND: Adherence to medication is an important aspect of preventing drug resistance and treatment failure in patients receiving nucleos(t)ide analogues for chronic hepatitis B. AIMS: To assess adherence to nucleoside/nucleotide analogues in chronic hepatitis B treatment and to determine factors associated with non-adherence. STUDY DESIGN: Cross-sectional study. METHODS: The study enrolled 85 chronic hepatitis B patients who had been receiving nucleoside/nucleotide analogues for ≥3 months...
December 1, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29214184/protective-effects-of-moringa-oleifera-on-hbv-genotypes-c-and-h-transiently-transfected-huh7-cells
#14
Sina Feustel, Fabiola Ayón-Pérez, Ana Sandoval-Rodriguez, Roberto Rodríguez-Echevarría, Homero Contreras-Salinas, Juan Armendáriz-Borunda, L V Sánchez-Orozco
Chronic hepatitis B infection treatment implicates a long-lasting treatment. M. oleifera extracts contain compounds with antiviral, antioxidant, and antifibrotic properties. In this study, the effect of M. oleifera was evaluated in Huh7 cells expressing either HBV genotypes C or H for the antiviral, antifibrotic, anti-inflammatory, and antioxidative responses. Huh7 cells were treated with an aqueous extract of M. oleifera (leaves) at doses of 0, 30, 45, or 60 μg/mL. The replicative virus and TGF-β1, CTGF, CAT, IFN-β1, and pgRNA expressions were measured by real time...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/29214169/reversal-of-proximal-renal-tubular-dysfunction-after-nucleotide-analogue-withdrawal-in-chronic-hepatitis-b
#15
Abhasnee Sobhonslidsuk, Pawin Numthavaj, Jirachaya Wanichanuwat, Areepan Sophonsritsuk, Supanna Petraksa, Alongkorn Pugasub, Paisan Jittorntam, Anucha Kongsomgan, Sittiruk Roytrakul, Bunyong Phakdeekitcharoen
Aims: Proximal renal tubular dysfunction (PRTD) is an infrequent complication after nucleotide analogue therapy. We evaluated the outcomes of PRTD and nephrotoxicity after nucleotide analogue withdrawal in chronic hepatitis B (CHB). Methods: A longitudinal follow-up study was performed in patients with PRTD after nucleotide analogue discontinuation. Serum and urine were collected at baseline and every 3 months for one year. The fractional excretion of phosphate (PO4), uric acid (UA), and potassium and tubular maximal reabsorption rate of PO4 to glomerular filtration rate (TmPO4/GFR) were calculated...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29212929/nucleic-acid-polymers-are-active-against-hepatitis-delta-virus-infection-in-vitro
#16
Frauke Beilstein, Matthieu Blanchet, Andrew Vaillant, Camille Sureau
In this study, an in vitro infection model for the hepatitis delta virus (HDV) was used to evaluate the antiviral effects of phosphorothioate nucleic acid polymers (NAPs) and investigate their mechanism of action. The results show that NAPs inhibit HDV infection at less than 4 micromolar concentrations in cultures of differentiated human hepatoma cells. NAPs were shown to be active at viral entry, but inactive post entry on HDV RNA replication. Inhibition was independent of the NAPs nucleotide sequence, but dependent on both size and amphipathicity of the polymer...
December 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29212479/a-pilot-systematic-genomic-comparison-of-recurrence-risks-of-hepatitis-b-virus-associated-hepatocellular-carcinoma-with-low-and-high-degree-liver-fibrosis
#17
Seungyeul Yoo, Wenhui Wang, Qin Wang, M Isabel Fiel, Eunjee Lee, Spiros P Hiotis, Jun Zhu
BACKGROUND: Chronic hepatitis B virus (HBV) infection leads to liver fibrosis, which is a major risk factor in hepatocellular carcinoma (HCC) and an independent risk factor of recurrence after HCC tumor resection. The HBV genome can be inserted into the human genome, and chronic inflammation may trigger somatic mutations. However, how HBV integration and other genomic changes contribute to the risk of tumor recurrence with regards to the different degree of liver fibrosis is not clearly understood...
December 7, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29212314/rapid-changes-in-serum-lipid-profiles-during-combination-therapy-with-daclatasvir-and-asunaprevir-in-patients-infected-with-hepatitis-c-virus-genotype-1b
#18
Takeshi Chida, Kazuhito Kawata, Kazuyoshi Ohta, Erika Matsunaga, Jun Ito, Shin Shimoyama, Satoru Yamazaki, Hidenao Noritake, Tetsuro Suzuki, Takafumi Suda, Yoshimasa Kobayashi
Background/Aims: Changes in lipid profiles in patients infected with hepatitis C virus (HCV) during direct-acting antiviral therapy have been reported in recent years. However, the clinical aspects of disturbed lipid metabolism in chronic HCV infection have not been fully elucidated. Methods: Dynamic changes in serum total, low-density lipoprotein (LDL), and high-density lipoprotein (HDL) cholesterol and apolipoprotein levels in patients infected with HCV genotype 1b were examined during combination therapy with daclatasvir (DCV) and asunaprevir (ASV)...
December 8, 2017: Gut and Liver
https://www.readbyqxmd.com/read/29211361/accumulation-of-mutations-in-reverse-transcriptase-of-hepatitis-b-virus-is-associated-with-liver-disease-severity-in-treatment-na%C3%A3-ve-chinese-patients-with-chronic-hepatitis-b
#19
Bin Zhu, Tianbao Wang, Xiaoxia Wei, Ya Zhuo, Amin Liu, Guangwen Zhang
BACKGROUND: Mutations in reverse transcriptase (RT) of the hepatitis B virus (HBV) are demonstrated to be strongly associated with nucleos(t)ide analog resistance, which is supposed to be the biggest obstacle during the long-term anti-viral treatment of chronic hepatitis B. However, the presence of RT mutations in treatment-naïve chronic hepatitis B patients and its clinical significance are not well known. OBJECTIVES: To investigate the significance of mutations in reverse transcriptase of the hepatitis B virus in treatment-naïve Chinese patients with chronic hepatitis B...
October 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29211299/endoplasmic-reticulum-stress-induced-lox-1-cd15-polymorphonuclear-myeloid-derived-suppressor-cells-in-hepatocellular-carcinoma
#20
Nan Jiang, Yan-Fang Xing, Bo Hu, Jian-Xin Tang, Hui-Min Dong, Yu-Mei He, Dan-Yun Ruan, Qing-Jian Ye, Jia-Rong Cai, Xiao-Kun Ma, Jie Chen, Xiu-Rong Cai, Ze-Xiao Lin, Xiang-Yuan Wu, Xing Li
AIM: A recent study indicated that Lectin-type oxidized LDL receptor-1 (LOX-1) was a distinct surface marker for human polymorphonuclears myeloid-derived suppressor cells (PMN-MDSC). The present study was aimed to investigate the existence LOX-1 PMN-MDSC in hepatocellular carcinoma (HCC) patients. METHODS: 127 HCC patients, 10 patients with mild active chronic hepatits B, 10 liver cirrhosis due to hepatitis B, 10 liver dysplastic node with hepatitis B and 50 health control were included...
December 6, 2017: Immunology
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