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Hepatitis c

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https://www.readbyqxmd.com/read/28646620/atopic-dermatitis-is-inversely-associated-with-hepatitis-b-antigen-positivity-a-population-based-cohort-study
#1
H Y Kim, C W Kim, J Y Choi, D S Yu, J W Kim, K D Han, Y G Park, Y B Lee
BACKGROUND: No clear association between hepatitis B virus (HBV) infection and atopic dermatitis (AD) has been established. Some studies have reported that subjects with HBV had an increased risk of atopy; other studies reported an inverse association between HBV seropositivity and allergic diseases. OBJECTIVE: We evaluated the association between AD and hepatitis B antigen (HBsAg) positivity using Korean National Health and Nutrition Examination Survey data. METHODS: In total, 14,776 participants aged > 19 years were included in the analysis...
June 24, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28646508/hepatic-stimulator-substance-resists-hepatic-ischemia-reperfusion-injury-by-regulating-drp1-translocation-and-activation
#2
Chao Zhang, Jing Huang, Wei An
Ischemia-reperfusion injury (IRI), induced by abnormal mitochondrial fission related apoptosis, is a major concern in liver transplantation settings. Our previous studies have demonstrated that hepatic stimulator substance (HSS) is an anti-apoptotic effector and could protect liver from IRI. However, the underlying mechanism remains unclear. In the present study, we report that in vitro and in vivo HSS could regulate mitochondrial fission and hepatocyte apoptosis during liver IRI by orchestrating the translocation and activation of dynamin-related protein 1 (Drp1)...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646427/tanshinone-iia-attenuates-atherosclerosis-in-apolipoprotein-e-knockout-mice-infected-with-porphyromonas-gingivalis
#3
Yan Xuan, Yue Gao, Hao Huang, Xiaoxuan Wang, Yu Cai, Qing Xian Luan
Tanshinone IIA (TSA), a pharmacologically active component isolated from Danshen, may prevent cardiovascular diseases due to its anti-inflammatory, anti-oxidative, and anti-adipogenic effects. Porphyromonas gingivalis, a major periodontal pathogen, may contribute to the progression of atherosclerosis. Here, we studied the effects of TSA on atherosclerosis in ApoE(-/-) mice with P. gingivalis infection. Eight-week-old ApoE(-/-) mice were randomized to (a) phosphate-buffered saline (PBS), (b) P. gingivalis, and (c) P...
June 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28646094/immune-mediated-effects-targeting-hepatitis-c-virus-in-a-syngeneic-replicon-cell-transplantation-mouse-model
#4
Sepideh Levander, Fredrik Holmström, Lars Frelin, Gustaf Ahlén, Daniel Rupp, Gang Long, Ralf Bartenschlager, Matti Sällberg
OBJECTIVE: HCV is characterised by its ability to establish chronic infection in hepatocytes and to replicate in the presence of an inflammation. We mimicked this situation in vivo in immune-competent mice by syngeneic transplantation of HCV replicon-containing mouse hepatoma cells. DESIGN: A total of 5 million H-2(b) positive Hep56.1D cells, carrying a subgenomic genotype (gt) 2a replicon (HCV replicon cells) or stably expressing comparable levels of the HCV NS3/4A protease/helicase complex (NS3/4A hepatoma cells), were injected subcutaneously into syngeneic H-2(b)-restricted mice...
June 23, 2017: Gut
https://www.readbyqxmd.com/read/28645740/safety-of-the-2d-3d-direct-acting-antiviral-regimen-in-hcv-induced-child-pugh-a-cirrhosis-a-pooled-analysis
#5
Fred Poordad, David R Nelson, Jordan J Feld, Michael W Fried, Heiner Wedemeyer, Lois Larsen, Daniel E Cohen, Eric Cohen, Niloufar Mobashery, Fernando Tatsch, Graham R Foster
BACKGROUND & AIMS: Chronic hepatitis C virus (HCV)-infected patients with cirrhosis are a high-priority population for treatment. To help inform the benefit-risk profile of the all-oral direct-acting antiviral (DAA) combination regimen of ombitasvir, paritaprevir, and ritonavir, with or without dasabuvir (OBV/PTV/r ± DSV) in patients with Child-Pugh A cirrhosis, we undertook a comprehensive review of AbbVie-sponsored clinical trials enrolling patients with Child-Pugh A cirrhosis. METHODS: Twelve phase II or III clinical trials of the 2-DAA regimen of OBV/PTV/r ± ribavirin (RBV) or the 3-DAA regimen of OBV/PTV/r + DSV ± RBV that included patients with Child-Pugh A cirrhosis were reviewed; patients who completed treatment by November 16, 2015 were included in a pooled, post hoc safety assessment...
June 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28645446/cost-effectiveness-analysis-of-two-treatment-strategies-for-chronic-hepatitis-c-before-and-after-access-to-direct-acting-antivirals-in-spain
#6
Juan Turnes, Raquel Domínguez-Hernández, Miguel Ángel Casado
OBJECTIVE: To evaluate the cost-effectiveness of a strategy based on direct-acting antivirals (DAAs) following the marketing of simeprevir and sofosbuvir (post-DAA) versus a pre-direct-acting antiviral strategy (pre-DAA) in patients with chronic hepatitis C, from the perspective of the Spanish National Health System. METHODS: A decision tree combined with a Markov model was used to estimate the direct health costs (€, 2016) and health outcomes (quality-adjusted life years, QALYs) throughout the patient's life, with an annual discount rate of 3%...
June 20, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28644966/an-immunosuppressive-function-of-interleukin-35-in-chronic-hepatitis-c-virus-infection
#7
Siqi Liu, Qian Zhang, Xue Shao, Wenrui Wang, Chuanhui Zhang, Zhenjing Jin
Interleukin (IL)-35, a newly identified member of the IL-12 cytokine family, has been reported to suppress inflammation and induce immunotolerance. However, little is known regarding the role of IL-35 during chronic hepatitis C virus (HCV) infection. Herein, we measured the serum IL-35 concentration of 73 patients with hepatitis C and 22 healthy individuals, as well as further investigated the modulatory function of IL-35 on CD4(+)CD25(+)CD127(dim/-) regulatory T cells (Tregs) and on hepatocytes infected with HCV in cell culture (HCVcc)...
June 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28644867/host-derived-apolipoproteins-play-comparable-roles-with-viral-secretory-proteins-erns-and-ns1-in-the-infectious-particle-formation-of-flaviviridae
#8
Takasuke Fukuhara, Tomokazu Tamura, Chikako Ono, Mai Shiokawa, Hiroyuki Mori, Kentaro Uemura, Satomi Yamamoto, Takeshi Kurihara, Toru Okamoto, Ryosuke Suzuki, Kentaro Yoshii, Takeshi Kurosu, Manabu Igarashi, Hiroshi Aoki, Yoshihiro Sakoda, Yoshiharu Matsuura
Amphipathic α-helices of exchangeable apolipoproteins have shown to play crucial roles in the formation of infectious hepatitis C virus (HCV) particles through the interaction with viral particles. Among the Flaviviridae members, pestivirus and flavivirus possess a viral structural protein Erns or a non-structural protein 1 (NS1) as secretory glycoproteins, respectively, while Hepacivirus including HCV has no secretory glycoprotein. In case of pestivirus replication, the C-terminal long amphipathic α-helices of Erns are important for anchoring to viral membrane...
June 23, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28644739/treatment-of-hepatitis-c-with-new-fixed-dose-combinations
#9
Vicente Soriano
The advent of oral direct-acting antivirals (DAA) has revolutionized the hepatitis C virus (HCV) therapeutic landscape providing cure rates over 90%. However, a subset of patients remains at higher risk for treatment failure, including those infected with: i) genotype 3 and cirrhosis; ii) resistance-associated substitutions (RAS) occurring either as natural polymorphisms or selected after prior DAA failure; and iii) poor drug adherence associated with social disabilities (homeless, psychiatric illnesses, injection drug use, alcoholism, etc...
June 23, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28644197/preoperative-regional-maximal-removal-rate-of-technetium-99m-galactosyl-human-serum-albumin-is-correlated-with-liver-functional-parameters-but-did-not-predict-postoperative-morbidity
#10
Koichi Yano, Atsushi Nanashima, Yoshiro Fujii, Masahide Hiyoshi, Naoya Imamura, Takeomi Hamada, Yuki Tsuchimochi, Takashi Wada, Yoichi Mizutani, Toshinori Hirai
BACKGROUND: Recently, posthepatectomy complications have been predicted by advances of new liver functional parameters, and the technetium-99m-galactosyl human serum albumin (GSA) liver scintigraphy has been applied widely for this purpose. We evaluated the clinical significance of the regional maximal removal rate (GSA-Rmax) in patients with various liver diseases as predictors of posthepatectomy complications. PATIENTS AND METHODS: Between 2012 and March 2016, we examined 200 patients who underwent hepatectomy for liver and biliary diseases...
June 22, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28643457/eradication-of-hepatitis-c-virus-profoundly-prolongs-survival-in-hepatocellular-carcinoma-patients-receiving-transarterial-chemoembolization
#11
Wei Teng, Yi-Chung Hsieh, Kar-Wai Lui, Wei-Ting Chen, Chien-Fu Hung, Chien-Hao Huang, Yi-Cheng Chen, Wen-Juei Jeng, Chen-Chun Lin, Chun-Yen Lin, Shi-Ming Lin, I-Shyan Sheen
Adjuvant pegylated interferon plus ribavirin treatment (PegIFN/RBV) reduces recurrence and prolongs survival in early stage hepatocellular carcinoma (HCC) patients with chronic hepatitis C (CHC) infection receiving resection or ablation. However, the impact of antiviral therapy in intermediate and advanced stage of CHC-HCC patients is uncertain. This study aimed to investigate the impact PegIFN/RBV treatment on recurrence free interval and survival in HCC patients receiving transarterial chemoembolization (TACE) METHODS: From 2010 to 2013, 274 CHC patients from a 1073-patients based cohort composed of freshly diagnosed HCC and receiving TACE treatment the Chang Gung Memorial Hospital, Linkou Medical Center were recruited...
June 22, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28643451/polyclonal-and-monoclonal-b-lymphocytes-response-in-hcv-patients-treated-with-direct-acting-antiviral-agents
#12
Alvise Schiavinato, Alberto Zanetto, Giorgia Pantano, Francesca Tosato, Mitja Nabergoj, Paola Fogar, Elisa Piva, Martina Gambato, Enrica Franceschet, Annarosa Floreani, Fabio Farinati, Patrizia Burra, Francesco Paolo Russo, Mario Plebani
Hepatitis C Virus (HCV) chronic infection can be associated with extrahepatic manifestations such as mixed cryoglobulinemia and lymphoproliferative disorders that are endowed with increased rates of morbidity and all-cause mortality. In this study we used flow cytometry to evaluate the effect of Interferon-free antiviral treatment on peripheral blood lymphocytes in HCV patients with or without associated lymphoproliferative disorders. Flow cytometry analysis of peripheral blood lymphocytes were performed at baseline and at the end of treatment...
June 22, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28643404/occurrence-of-late-relapse-of-hepatitis-c-virus-confirmed-by-molecular-analysis-after-sustained-virological-response-to-interferon-ribavirin-based-therapy
#13
Kazuhiko Hayashi, Masatoshi Ishigami, Satoshi Yasuda, Yoji Ishizu, Teiji Kuzuya, Takashi Honda, Tetsuya Ishikawa, Yoshiki Hirooka, Hidemi Goto
BACKGROUND AND AIM: The optimal duration of follow-up for patients who achieve sustained virological responses (SVR) has become an important issue. Reports on long-term follow-up of SVR have demonstrated that 99% of patients maintained SVR. However, the limitations of a majority of studies include small patient numbers, short study periods, and lack of molecular analysis of hepatitis C virus (HCV) genome. The present study sought to evaluate the late relapse rate in long-term follow-up of patients who achieved SVR, with molecular analysis of HCV...
June 22, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28643186/current-progress-in-host-innate-and-adaptive-immunity-against-hepatitis-c-virus-infection
#14
REVIEW
Jijing Shi, Yuanyuan Li, Wenxian Chang, Xuexiu Zhang, Fu-Sheng Wang
Hepatitis C virus (HCV) infects more than 170 million people worldwide and is the main cause of chronic hepatitis, liver cirrhosis and hepatocellular carcinoma. Although the newly developed direct-acting antivirals (DAAs) have transformed the treatment of HCV infection, controlling HCV infection on a global scale remains a challenge because of the high cost, low resistance barrier of DAAs and lack of HCV vaccine. The host immune responses associated with HCV infection, especially HCV-specific T cellular immunity, determine the outcome of HCV infection: either acute or chronic infection...
June 22, 2017: Hepatology International
https://www.readbyqxmd.com/read/28643136/assessment-of-liver-fibrosis-in-chronic-hepatitis-comparison-of-shear-wave-elastography-and-transient-elastography
#15
Shashi B Paul, Prasenjit Das, Mousumi Mahanta, Vishnubhatla Sreenivas, Saurabh Kedia, Nancy Kalra, Harpreet Kaur, Maneesh Vijayvargiya, Shouriyo Ghosh, Shivanand R Gamanagatti, Shalimar, Siddhartha Dutta Gupta, Subrat K Acharya
PURPOSE: To evaluate the diagnostic accuracy of shear wave elastography (SWE) and transient elastography (TE) in the evaluation of liver fibrosis in chronic hepatitis B (CHB) and C (CHC) patients taking liver biopsy as gold standard. METHODS: Ethics committee approved this prospective cross-sectional study. Between October 2012 and December 2014, consecutive CHB/CHC patients fulfilling the inclusion criteria were included-age more than 18 years, informed written consent, willing and suitable for liver biopsy...
June 22, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28642978/ectopic-delivery-of-mir-200c-diminishes-hepatitis-c-virus-infectivity-through-transcriptional-and-translational-repression-of-occludin
#16
Dalia S Elhelw, Sarah E Riad, Heba Shawer, Nada El-Ekiaby, Ayman Salah, Abdelrahman Zekri, Asma Amleh, Gamal Esmat, Ahmed Ihab Abdelaziz
Occludin (OCLN) is an essential factor for HCV entry through interacting with other surface receptors. The aim of this study was to investigate the epigenetic regulation of Occludin expression and to study its impact on viral infectivity. microRNAs expression was assessed using qRT-PCR, while OCLN protein expression was investigated by indirect immunofluorescence and Western blotting. Viral infectivity was assessed by measuring viral-load using qRT-PCR. In silico analysis predicted that miR-200c targeted the OCLN 3'UTR, which was further experimentally confirmed...
June 22, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28642869/detection-of-microrna-in-hepatic-cirrhosis-and-hepatocellular-carcinoma-in-hepatitis-c-genotype-4-in-egyptian-patients
#17
Hala M Demerdash, Hend M Hussien, Ehab Hassouna, Emad A Arida
BACKGROUND: In Egypt, the prevalence of chronic hepatitis C (CHC) infection is 13.8% of whole population and about 80% of the patients with hepatocellular carcinoma have underling hepatitis C. AIM: This study was designed to assess the diagnostic value of plasma miR-122 and miR-21 in patients with CHC, genotype-4, to detect fibrosis progression versus noninvasive indices and their diagnostic value in detection of early stages of hepatocellular carcinoma (HCC). METHODOLOGY: A prospective study that included 180 patients, divided into 3 groups: healthy controls (group I), CHC patients (group II), and hepatitis C patients with HCC (group III); all cases were subjected to thorough clinical, radiological, and laboratory investigations...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28642806/the-efficacy-of-epigallocatechin-3-gallate-green-tea-in-the-treatment-of-alzheimer-s-disease-an-overview-of-pre-clinical-studies-and-translational-perspectives-in-clinical-practice
#18
REVIEW
Marco Cascella, Sabrina Bimonte, Maria Rosaria Muzio, Vincenzo Schiavone, Arturo Cuomo
Alzheimer's disease (AD) is a neurodegenerative disorder and the most common form of dementia characterized by cognitive and memory impairment. One of the mechanism involved in the pathogenesis of AD, is the oxidative stress being involved in AD's development and progression. In addition, several studies proved that chronic viral infections, mainly induced by Human herpesvirus 1 (HHV-1), Cytomegalovirus (CMV), Human herpesvirus 2 (HHV-2), and Hepatitis C virus (HCV) could be responsible for AD's neuropathology...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28642498/uptake-and-metabolism-of-arginine-impact-plasmodium-development-in-the-liver
#19
Patrícia Meireles, António M Mendes, Rita I Aroeira, Bryan C Mounce, Marco Vignuzzi, Henry M Staines, Miguel Prudêncio
Prior to infecting erythrocytes and causing malaria symptoms, Plasmodium parasites undergo an obligatory phase of invasion and extensive replication inside their mammalian host's liver cells that depends on the parasite's ability to obtain the nutrients it requires for its intra-hepatic growth and multiplication. Here, we show that L-arginine (Arg) uptake through the host cell's SLC7A2-encoded transporters is essential for the parasite's development and maturation in the liver. Our data suggest that the Arg that is taken up is primarily metabolized by the arginase pathway to produce the polyamines required for Plasmodium growth...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641998/construction-of-a-hepatitis-b-virus-neutralizing-chimeric-monoclonal-antibody-recognizing-escape-mutants-of-the-viral-surface-antigen-hbsag
#20
Forough Golsaz-Shirazi, Mohammad Mehdi Amiri, Samira Farid, Motahareh Bahadori, Felix Bohne, Sebastian Altstetter, Lisa Wolff, Tohid Kazemi, Jalal Khoshnoodi, Mohammad Hojjat-Farsangi, Michael Chudy, Mahmood Jeddi-Tehrani, Ulrike Protzer, Fazel Shokri
Hepatitis B virus (HBV) infection is a global burden on the health-care system and is considered as the tenth leading cause of death in the world. Over 248 million patients are currently suffering from chronic HBV infection worldwide and annual mortality rate of this infection is 686000. The "a" determinant is a hydrophilic region present in all antigenic subtypes of hepatitis B surface antigen (HBsAg), and antibodies against this region can neutralize the virus and are protective against all subtypes. We have recently generated a murine anti-HBs monoclonal antibody (4G4), which can neutralize HBV infection in HepaRG cells and recognize most of the escape mutant forms of HBsAg...
June 19, 2017: Antiviral Research
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