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https://www.readbyqxmd.com/read/29346443/exposure-to-previous-cart-is-associated-with-significant-liver-fibrosis-and-cirrhosis-in-human-immunodeficiency-virus-infected-patients
#1
Evrim Anadol, Kristina Lust, Christoph Boesecke, Carolynne Schwarze-Zander, Raphael Mohr, Jan-Christian Wasmuth, Jürgen Kurt Rockstroh, Jonel Trebicka
INTRODUCTION: Combined antiretroviral therapy (cART) has improved survival in HIV-patients. While the first antiretrovirals, which became available in particular D-drugs (especially didanosine and stavudine) and unboosted protease inhibitors, may impair liver function, the modern cART seems to decrease liver fibrosis. This study assessed the influence of exposure to previous antiretrovirals on liver fibrosis in HIV-infected patients. METHODS: This observational cross-sectional single-center study recruited 333 HIV patients and assessed liver fibrosis using transient elastography (TE)...
2018: PloS One
https://www.readbyqxmd.com/read/29345855/increased-estradiol-in-hepatitis-e-virus-infected-pregnant-women-promote-viral-replication
#2
Chenchen Yang, Wenhai Yu, Yanhong Bi, Feiyan Long, Yunlong Li, Daqiao Wei, Xianhui Hao, Jianwen Situ, Yongqin Zhao, Fen Huang
Hepatitis E virus (HEV) infection causes subclinical diseases, leading to high mortality (> 25%) in pregnant women. HEV replication is aggressively escalated in pregnant women, especially in the third trimester of pregnancy. Estrogen plays an important role in pregnancy. However, the pathogenesis of HEV in pregnant women or immunosuppressive pregnant women (such as HIV-infected, or organ-transplanted pregnant women) remains unclear. We investigated the role of estradiol in HEV infection in a cell culture system...
January 18, 2018: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29345844/assessing-hepatitis-c-spontaneous-clearance-and-understanding-associated-factors-a-systematic-review-and-meta-analysis
#3
Dewi Nur Aisyah, Laura Shallcross, Alice Jane Hully, Alastair O'Brien, Andrew Hayward
New advances in the treatment of hepatitis C provide high levels of sustained viral response but their expense limits availability in publicly funded health systems. The aim of this review is to estimate the proportion of patients who will spontaneously clear HCV and to identify factors that are associated with clearance, to support better targeting of directly acting antivirals. We searched Ovid Embase, Ovid Medline and Pubmed from 1st January 1994 to 30th June 2015 for studies reporting hepatitis C spontaneous clearance and/or demographic, clinical, and behavioural factors associated with clearance...
January 18, 2018: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29345515/safety-of-biologic-agents-for-psoriasis-in-patients-with-viral-hepatitis
#4
Nawaf AlMutairi, Hesham Alaadin Abouzaid
INTRODUCTION: Biologics are highly effective, important treatment options for moderate-to-severe psoriasis. Biologics are well tolerated and have few side effects. However, the use of biologics in patients with concomitant chronic viral hepatitis is debatable. Recent reports have suggested a very low associated risk of reactivation of chronic hepatitis B (HBV) and C (HCB). OBJECTIVE: To evaluate the safety and effectiveness of biologics for moderate to severe psoriasis patients with concomitant chronic viral hepatitis...
January 18, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29345371/therapeutic-manipulation-of-host-cell-death-pathways-to-facilitate-clearance-of-persistent-viral-infections
#5
REVIEW
James Cooney, Cody Allison, Simon Preston, Marc Pellegrini
Most persistent viral infections can be controlled, but not cured, by current therapies. Abrogated antiviral immunity and stable latently infected cells represent major barriers to cure. This necessitates life-long suppressive antiviral therapy. Achieving a cure for HIV, hepatitis B virus, Epstein Barr-virus, and others, requires novel approaches to facilitate the clearance of infected cells from the host. One such approach is to target host cell death pathways, rather than the virus itself. Here, we summarize recent findings from studies that have utilized therapeutics to manipulate host cell death pathways as a means to treat and cure persistent viral infections...
January 9, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29344726/the-safety-and-efficacy-of-elbasvir-and-grazoprevir-in-participants-with-hepatitis-c-virus-genotype-1b-infection
#6
Stefan Zeuzem, Lawrence Serfaty, John Vierling, Wendy Cheng, Jacob George, Jan Sperl, Simone Strasser, Hiromitsu Kumada, Peggy Hwang, Michael Robertson, Janice Wahl, Eliav Barr, Rohit Talwani, Heather Platt
BACKGROUND: Genotype 1b (GT1b) is the most common subtype of the hepatitis C virus (HCV). We present an integrated analysis of 1070 participants with HCV GT1b infection from 30 countries who received elbasvir/grazoprevir for 12 weeks. METHODS: This is a retrospective analysis of data from participants with chronic HCV GT1b infection enrolled in 11 phase II/III clinical trials. All participants received elbasvir 50 mg plus grazoprevir 100 mg once daily for 12 weeks...
January 17, 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29344208/serum-levels-of-anti-sperm-associated-antigen-9-antibody-are-elevated-in-patients-with-hepatocellular-carcinoma
#7
Biqiong Ren, Guoying Zou, Fei Xu, Yiran Huang, Guofeng Xu, Junyu He, Yong Li, Haowen Zhu, Ping Yu
At present, there is a high incidence of viral hepatitis and high mortality rates due to hepatocellular carcinoma (HCC) in China. In the current study, the quantification of antibodies against the cancer-testis antigen sperm-associated antigen 9 (SPAG9), alone and combined with α-fetoprotein (AFP), were evaluated as biomarkers for the diagnosis of HCC. The levels of anti-SPAG9 antibody and AFP were quantified in serum samples from patients with HCC and hepatitis or cirrhosis, as well as healthy volunteers...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343698/correlations-between-mitochondrial-dna-haplogroup-d5-and-chronic-hepatitis-b-virus-infection-in-yunnan-china
#8
Xiao Li, Tai-Cheng Zhou, Chang-Hui Wu, Li-Lin Tao, Rui Bi, Li-Jun Chen, De-Yao Deng, Chang Liu, Newton O Otecko, Yang Tang, Xin Lai, Liang Zhang, Jia Wei
Mitochondrial abnormality is frequently reported in individuals with hepatitis B virus (HBV) infection, but the associated hosts' mitochondrial genetic factors remain obscure. We hypothesized that mitochondria may affect host susceptibility to HBV infection. In this study, we aimed to detect the association between chronic HBV infection and mitochondrial DNA in Chinese from Yunnan, Southwest China. A total of 272 individuals with chronic HBV infection (CHB), 310 who had never been infected by HBV (healthy controls, HC) and 278 with a trace of HBV infection (spontaneously recovered, SR) were analysed for mtDNA sequence variations and classified into respective haplogroups...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343570/roles-of-the-5-untranslated-region-of-non-primate-hepacivirus-in-translation-initiation-and-viral-replication
#9
Tomohisa Tanaka, Teruhime Otoguro, Atsuya Yamashita, Hirotake Kasai, Takasuke Fukuhara, Yoshiharu Matsuura, Kohji Moriishi
The 5' untranslated region (UTR) of hepatitis C virus (HCV), which is composed of four domains (I, II, III and IV) and a pseudoknot, is essential for translation and viral replication. Equine non-primate hepacivirus (EHcV) harbors a 5' UTR consisting of a large 5' -terminal domain (I), three additional domains (I', II and III), which are homologous to domains I, II and III, respectively, of HCV, and a pseudoknot, in the order listed. In this study, we investigated the roles of the EHcV 5' UTR in translation and viral replication...
January 17, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29341226/molecular-details-of-spontaneous-insertion-and-interaction-of-hcv-non-structure-3-protease-protein-domain-with-pip2-containing-membrane
#10
Huynh Minh Hung, Tran Dieu Hang, Minh Tho Nguyen
Hepatitis C virus (HCV), known as the leading cause of liver cirrhosis, viral hepatitis and hepatocellular carcinoma, has been affecting more than 150 million people globally. The HCV non-structure 3 (NS3) protease protein domain plays a key role in HCV replication and pathogenesis; and is currently a primary target for HCV antiviral therapy. Through unbiased molecular dynamics simulations which take advantage of the novel highly mobile membrane mimetic model, we constructed the membrane-bound state of the protein domain at the atomic level...
January 17, 2018: Proteins
https://www.readbyqxmd.com/read/29340620/delivery-of-tapasin-modified-ctl-epitope-peptide-via-cytoplasmic-transduction-peptide-induces-ctls-by-jak-stat-signaling-pathway-in-vivo
#11
Shanshan Wu, Xiaohua Chen, Yuyan Tang, Yi Zhang, Dan Li, Jie Chen, Jieling Wang, Zhenghao Tang, Guoqing Zang, Yongsheng Yu
Hepatitis B virus (HBV)-specific cytotoxic T lymphocytes (CTLs) play a vital role in viral control and clearance. Recent studies have elucidated that Tapasin, an endoplasmic reticulum chaperone, is a well-known molecule that appears to be essential in peptide-loading process. The Janus kinase/signal transducers and activators of transcription (JAK/STAT) pathway plays an important role in immune response regulation and cytokines secretion. We have previously verified that fusion protein CTP-HBcAg18-27-Tapasin could facilitate the maturation of bone marrow derived dendritic cells and enhance specific CTLs responses in vitro, which might be associated with the activation of JAK/STAT signaling pathway...
January 11, 2018: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29340553/hepatocellular-carcinoma-diagnosis-and-operative-management
#12
Marcio F Chedid, Cleber R P Kruel, Marcelo A Pinto, Tomaz J M Grezzana-Filho, Ian Leipnitz, Cleber D P Kruel, Leandro A Scaffaro, Aljamir D Chedid
INTRODUCTION: Hepatocellular carcinoma is an aggressive malignant tumor with high lethality. AIM: To review diagnosis and management of hepatocellular carcinoma. METHODS: Literature review using web databases Medline/PubMed. RESULTS: Hepatocellular carcinoma is a common complication of hepatic cirrhosis. Chronic viral hepatitis B and C also constitute as risk factors for its development. In patients with cirrhosis, hepatocelular carcinoma usually rises upon malignant transformation of a dysplastic regenerative nodule...
October 2017: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/29340280/serum-vitamin-d-levels-in-treatment-na%C3%A3-ve-chronic-hepatitis-b-patients
#13
Ebada Said, Waleed El Agawy, Rehab Ahmed, Mohamed Hassany, Amal Ahmed, Hanan Fouad, Hosam Baiumy
Background and Objectives: According to the demographic health survey conducted in 2015, Egypt had 10% documented prevalence of anti-HBc positive patients aged 1-59 and 1% viremic patients amongst the population in the same age group, with a domination of genotype D. Several studies claimed the possible role of vitamin D deficiency in hepatitis B virus (HBV) replication and disease progression. Patients and Methods: Serum vitamin D levels [25(OH D3] were assessed in 96 HBeAg negative non-cirrhotic chronic HBV patients and 25 healthy subjects classified as following: Group I: 48 chronic HBV patients with persistently normal ALT levels and HBV DNA level < 2000 IU/mL for ≥ 6 months; Group II: 48 chronic HBV patients with CHB with persistently elevated ALT and HBV DNA level ≥ 2000 IU/mL for ≥ 6 months; and Group III: 25 apparently healthy subjects with normal liver enzymes and negative hepatitis viral markers were taken as the control group...
December 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/29339154/a-new-hepatitis-b-virus-e-antigen-negative-strain-gene-used-as-a-reference-sequence-in-an-animal-model
#14
Min Cao, Zhonghua Zhao, Yuwei Tang, Qinglv Wei, Lei Wang, Qin Xiang, Yunmei Zhang, Huatang Zhang, Guoqi Lai
Infection with hepatitis B virus (HBV) e-antigen (HBeAg)-negative strains is increasingly prevalent. Currently, detailed information of the obtained natural HBV strain is not available except for the B genotype and HBeAg-negative. The aim of the present study was to characterize the natural genetic variation of the HBeAg-negative strain and investigate its function. The genic sequence was determined using Sanger sequencing, and compared to related sequences using alignment and phylogenetic analysis. In vivo, virus-specific serum markers were investigated in CBA/CaJ mice...
January 12, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29339060/quantification-of-a-recombinant-antigen-in-an-immuno-stimulatory-whole-yeast-cell-based-therapeutic-vaccine
#15
Jenny Wang, Daniel Stenzel, Ally Liu, Dengfeng Liu, Darren Brown, Alexandre Ambrogelly
Therapeutic vaccines represent an emerging class of immune-modulatory treatments for cancer, infections, and chronic diseases. One such vaccine was designed as an immune stimulator of the T cell response against HBV antigens to eliminate HBV infected cells and offer a therapeutic avenue to treat patients suffering from chronic hepatitis B infection. Whole deactivated Saccharomyces cerevisiae cells expressing a recombinant fusion of HBV X, S and Core antigens elicit T cell responses in mice and activate human T cells linked with viral clearance...
January 12, 2018: Analytical Biochemistry
https://www.readbyqxmd.com/read/29338763/sero-prevalence-of-hbsag-in-naive-hiv-infected-patients-in-a-rural-locality-of-cameroon
#16
Jean-Patrick Molu, Marie Chantal Ngonde Essome, Chavely Gwladys Monamele, Richard Njouom
OBJECTIVE: This study was performed in order to fill the gap of knowledge regarding sero-epidemiology of hepatitis B virus (HBV) amongst Human Immunodeficiency virus (HIV)-infected patients and to assess the risk factors associated with HBV co-infection in a rural locality of Cameroon. A retrospective and cross-sectional study was carried out from January 2008 to April 2014 within the Mfou District Hospital. Naive HIV-infected patients were enrolled in the study and tested for hepatitis B surface antigen (HBsAg)...
January 16, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29338458/tenofovir-alafenamide-taf-treatment-of-hbv-what-are-the-unanswered-questions
#17
Mauro Viganò, Alessandro Loglio, Glenda Grossi, Pietro Lampertico
Tenofovir disoproxil fumarate (TDF), an ester prodrug of tenofovir (TFV), is one of the recommended drugs for chronic hepatitis B (CHB) patients. However, reduced kidney function and loss of bone mineral density have been reported in some CHB patients treated with TDF. Consequent to these safety issues, tenofovir alafenamide (TAF) [Vemlidy®], a phosphonate prodrug of TFV, was developed for the treatment of CHB patients. Areas covered: The favourable pharmacological profile of TAF allows a marked reduction in dosage (25 mg/day) thus reducing systemic exposure to tenofovir and improving the bone and renal safety, keeping however the same virological efficacy, compared to TDF 300 mg/day...
January 17, 2018: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29337702/changing-concepts-of-hiv-infection-and-renal-disease
#18
Jean Hou, Cynthia C Nast
PURPOSE OF REVIEW: Human immunodeficiency virus (HIV)-associated nephropathy (HIVAN) was identified as the major renal manifestation of HIV infection early in the HIV epidemic. However, HIV infection now is associated with a different spectrum of renal lesions leading to chronic kidney disease. This review examines the changes in kidney injury occurring in the current HIV era and the factors involved in this transformation of disease expression. RECENT FINDINGS: The incidence of HIVAN and opportunistic infections in HIV-infected individuals has declined in concert with the use of effective combination antiretroviral agents...
January 13, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29337616/chronologic-analysis-of-gross-and-histologic-lesions-induced-by-field-strains-of-fadv-1-fadv-8b-and-fadv-11-in-six-week-old-chickens
#19
Penelope Steer-Cope, Jeanine Sandy, Denise O'Rourke, Peter Scott, Glenn Browning, Amir Noormohammadi
Inclusion body hepatitis (IBH) is a disease affecting broiler chicken flocks worldwide. Several serotypes of fowl adenovirus (FAdV) have been implicated in disease outbreaks, with and without immunosuppression as a predisposing factor. IBH usually occurs in flocks up to 30 days of age; it is seldom seen in older birds. The objective of this study was to determine whether the pathogenicity for older birds of three FAdV field strains, belonging to serotypes 1, 8b, and 11, in the absence of immunosuppressive factors, was akin to that for younger birds, and to establish an effective and economical disease model for assessing cross-protection between serotypes...
December 2017: Avian Diseases
https://www.readbyqxmd.com/read/29334973/options-for-reducing-hiv-transmission-related-to-the-dead-space-in-needles-and-syringes
#20
William A Zule, Poonam G Pande, David Otiashvili, Georgiy V Bobashev, Samuel R Friedman, V Anna Gyarmathy, Don C Des Jarlais
BACKGROUND: When shared by people who inject drugs, needles and syringes with different dead space may affect the probability of HIV and hepatitis C virus (HCV) transmission differently. METHODS: We measured dead space in 56 needle and syringe combinations obtained from needle and syringe programs across 17 countries in Europe and Asia. We also calculated the amounts of blood and HIV that would remain in different combinations following injection and rinsing. RESULTS: Syringe barrel capacities ranged from 0...
January 15, 2018: Harm Reduction Journal
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