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https://www.readbyqxmd.com/read/28530847/repeatability-of-mr-elastography-of-liver-a-meta-analysis
#1
Suraj D Serai, Nancy A Obuchowski, Sudhakar K Ventakesh, Claude B Sirlin, Frank H Miller, Edward Ashton, Patricia E Cole, Richard L Ehman
Purpose To perform a meta-analysis to generate an estimate of the repeatability coefficient (RC) for magnetic resonance (MR) elastography of the liver. Materials and Methods A systematic search of databases was performed for publications on MR elastography during the 10-year period between 2006 and 2015. The identified studies were screened independently and were verified reciprocally by all authors. Two reviewers independently determined the percentage RC and effective sample size from each article. A forest plot was constructed of the percentage RC estimates from the 12 studies...
May 22, 2017: Radiology
https://www.readbyqxmd.com/read/28527664/a-new-hdv-mouse-model-identifies-mitochondrial-antiviral-signaling-protein-mavs-as-a-key-player-in-ifn-%C3%AE-induction
#2
Lester Suárez-Amarán, Carla Usai, Marianna Di Scala, Cristina Godoy, Yi Ni, Mirja Hommel, Laura Palomo, Víctor Segura, Cristina Olagüe, Africa Vales, Alicia Ruiz-Ripa, Maria Buti, Eduardo Salido, Jesús Prieto, Stephan Urban, Francisco Rodríguez-Frias, Rafael Aldabe, Gloria González-Aseguinolaza
BACKGROUND & AIMS: Studying hepatitis delta virus (HDV) and developing new treatments is hampered by the limited availability of small animal models. Here a description of a robust mouse model of HDV infection that mimics several important characteristics of the human disease is presented. METHODS: HDV- and HBV-replication competent genomes were delivered to the mouse liver using adeno-associated viruses (AAV) (AAV-HDV and AAV-HBV). Viral load, antigen expression and genomes were quantified at different time points after AAV injection...
May 17, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28526886/fk866-attenuates-acute-hepatic-failure-through-c-jun-n-terminal-kinase-jnk-dependent-autophagy
#3
Enshuang Guo, Renlong Li, Jiankun Yang, Jun Zhang, Anyi Li, Yan Yang, Shenpei Liu, Anding Liu, Xiaojing Jiang
FK866 exhibits a protective effect on D-galactosamine (GaIN)/lipopolysaccharide (LPS) and concanavalin A (ConA)-induced acute liver failure (ALF), but the mechanism by which FK866 affords this benefit has not yet been elucidated. Autophagy has a protective effect on acute liver injury. However, the contribution of autophagy to FK866-conferred hepatoprotection is still unclear. This study aimed to investigate whether FK866 could attenuate GaIN/LPS and ConA-induced ALF through c-jun-N-terminal kinase (JNK)-dependent autophagy...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525625/characteristics-of-us-born-versus-foreign-born-americans-of-african-descent-with-chronic-hepatitis-b
#4
Mohamed A Hassan, W Ray Kim, Ruosha Li, Coleman I Smith, Michael W Fried, Richard K Sterling, Marc G Ghany, Abdus S Wahed, Lilia M Ganova-Raeva, Lewis R Roberts, Anna S F Lok
Hepatitis B virus (HBV) infection is more common in African Americans than in white Americans. We compared the epidemiologic, clinical, and virological characteristics of US-born African Americans (USAAs) to those of foreign-born African Americans (FBAAs) with chronic hepatitis B. The adult cohort study of the Hepatitis B Research Network enrolls patients with HBV infection from 21 clinical sites in the United States and Canada. A total of 237 (15%) of the adult participants with chronic HBV infection that were enrolled from January 20, 2011, to October 2, 2013, were of African descent, including 57 USAAs and 180 FBAAs (76%)...
May 19, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28525250/-unusual-association-between-auto-immune-hepatitis-and-pyoderma-gangrenosum-a-case-report
#5
X Vandemergel, M Lefebvre, I Focant, L Marot, D Ilisei
Pyoderma gangrenosum is an uncommon neutrophilic dermatosis that presents as an inflammatory and ulcerative disorder of the skin. This entity is associated with systemic diseases and autoimmune diseases but exceptionally with autoimmune hepatitis. We report the case of a 40 year-old woman diagnosed with type 1 autoimmune hepatitis 12 years earlier and admitted for the appearance of an ulcerative lesion in the left leg. Histology confirmed pyoderma gangrenosum.
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28523968/gastrointestinal-system-involvement-in-systemic-lupus-erythematosus
#6
Z Li, D Xu, Z Wang, Y Wang, S Zhang, M Li, X Zeng
Systemic lupus erythematosus (SLE) is a multisystem disorder which can affect the gastrointestinal (GI) system. Although GI symptoms can manifest in 50% of patients with SLE, these have barely been reviewed due to difficulty in identifying different causes. This study aims to clarify clinical characteristics, diagnosis and treatment of the four major SLE-related GI system complications: protein-losing enteropathy (PLE), intestinal pseudo-obstruction (IPO), hepatic involvement and pancreatitis. It is a systematic review using MEDLINE and EMBASE databases and the major search terms were SLE, PLE, IPO, hepatitis and pancreatitis...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28523927/retinoid-bms411-4-5-5-dimethyl-8-phenyl-5-6-dihydronaphthalen-2-yl-carbonyl-amino-benzoic-acid-a-potential-inhibitor-of-ns5a-protein-of-hepatitis-c-virus-a-candidate-for-combined-therapy-of-hepatitis-c-infection
#7
S Ibrahim, M J Asad, R T Mahmood, F H Wattoo, S Akhter, D Shahwar
Hepatitis C infection is a serious health issue worldwide caused by hepatitis C virus (HCV). There is an urgent need of search for new direct acting antiviral drugs due to the rapid development of drug resistance. The HCV NS5A protein is involved in creating resistance against antiviral therapy and there are also many reports that vitamin A deficiency is associated with non-responsiveness to antiviral treatment in HCV infected patients. So the present in silico study was aimed to find the relation between vitamin A deficiency and the NS5A protein's function in antiviral resistance...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28523596/pharmacokinetics-and-safety-of-vismodegib-in-patients-with-advanced-solid-malignancies-and-hepatic-impairment
#8
Ghassan K Abou-Alfa, Lionel D Lewis, Patricia LoRusso, Michael Maitland, Priya Chandra, Sravanthi Cheeti, Dawn Colburn, Sarah Williams, Brian Simmons, Richard A Graham
PURPOSE: Vismodegib is a Hedgehog pathway inhibitor approved for the treatment of advanced basal cell carcinoma. Currently, the pharmacokinetics (PK) and safety of vismodegib in patients with hepatic dysfunction are unknown and are the objective of this study. METHODS: Patients with advanced solid malignancies and hepatic impairment were enrolled into one of four cohorts: normal [bilirubin (bili) < upper limit of normal (ULN)], mild (ULN < bili ≤ 1...
May 18, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28522913/gutuo-jiejiu-decoction-improves-survival-of-patients-with-severe-alcoholic-hepatitis-a-retrospective-cohort-study
#9
Hong-Yuan Mou, Hong-Ming Nie, Xiao-Yu Hu
AIM: To verify the value of Gutuo Jiejiu decoction in improving the survival of patients with severe alcoholic hepatitis (SAH). METHODS: We performed a retrospective cohort study in consecutive patients diagnosed with SAH at the Teaching Hospital of Chengdu University of Traditional Chinese Medicine and Shuguang Hospital, Shanghai University of Traditional Chinese Medicine. The traditional Chinese medicine formula Gutuo Jiejiu decoction was employed as an exposure factor...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28522898/the-protective-effect-of-cordycepin-on-d-galactosamine-lipopolysaccharide-induced-acute-liver-injury
#10
Jin Li, Liping Zhong, Haibo Zhu, Fengzhong Wang
As the major active ingredient of Cordyceps militaris, cordycepin (3'-deoxyadenosine) has been well documented to alleviate inflammation and oxidative stress both in vitro and in vivo. To explore the potential protective effect of cordycepin in fulminant hepatic failure, mice were pretreated with cordycepin for 3 weeks followed by D-galactosamine (GalN)/lipopolysaccharide (LPS) injection. Then we found cordycepin (200 mg/kg) administration elevated survival rate, improved liver function, and suppressed hepatocyte apoptosis and necrosis in mice with severe hepatic damage by GalN/LPS treatment...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28522427/association-of-chitosan-and-aluminium-as-a-new-adjuvant-strategy-for-improved-vaccination
#11
F Lebre, D Bento, J Ribeiro, M Colaço, G Borchard, M C Pedroso de Lima, O Borges
The use of particulate adjuvants offers an interesting possibility to enhance and modulate the immune responses elicited by vaccines. Aluminium salts have been extensively used as vaccine adjuvants, but they lack the capacity to induce a strong cellular and mucosal immune response. Taking this into consideration, in this study we designed a new antigen delivery system combining aluminium salts with chitosan. Chitosan-aluminium nanoparticles (CH-Al NPs) exhibited a mean diameter of 280nm and a positive surface charge...
May 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28522403/multiplex-autoantibody-detection-for-autoimmune-liver-diseases-and-autoimmune-gastritis
#12
Joris Vanderlocht, Mart van der Cruys, Frans Stals, Liesbeth Bakker-Jonges, Jan Damoiseaux
Autoantibody detection for autoimmune hepatitis (AIH), primary biliary cirrhosis (PBC) and autoimmune gastritis (AIG) is traditionally performed by IIF on a combination of tissues. Multiplex line/dot blots (LIA/DIA) offer multiple advantages, i.e. automation, objective reading, no interfering reactivities, no coincidental findings. In the current study we evaluated automated DIA (D-Tek) for detecting autoantibodies related to autoimmune diseases of the gastrointestinal tract. We tested samples of the Dutch EQC program and compared the results with the consensus of the participating labs...
May 15, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28522204/peg-interferon-plus-nucleotide-analogue-treatment-versus-no-treatment-in-patients-with-chronic-hepatitis-b-with-a-low-viral-load-a-randomised-controlled-open-label-trial
#13
Annikki de Niet, Louis Jansen, Femke Stelma, Sophie B Willemse, Sjoerd D Kuiken, Sebastiaan Weijer, Carin M J van Nieuwkerk, Hans L Zaaijer, Richard Molenkamp, R Bart Takkenberg, Maarten Koot, Joanne Verheij, Ulrich Beuers, Hendrik W Reesink
BACKGROUND: Antiviral treatment is currently not recommended for patients with chronic hepatitis B with a low viral load. However, they might benefit from acquiring a functional cure (hepatitis B surface antigen [HBsAg] loss with or without formation of antibodies against hepatitis B surface antigen [anti-HBs]). We assessed HBsAg loss during peg-interferon-alfa-2a (peg-IFN) and nucleotide analogue combination therapy in patients with chronic hepatitis B with a low viral load. METHODS: In this randomised controlled, open-label trial, patients were enrolled from the Academic Medical Center (AMC), Amsterdam, Netherlands...
May 15, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28521828/markov-modeling-in-hepatitis-b-screening-and-linkage-to-care
#14
Martin A Sehr, Kartik D Joshi, John M Fontanesi, Robert J Wong, Robert R Bitmead, Robert G Gish
BACKGROUND: With up to 240 million people chronically infected with hepatitis B worldwide, including an estimated 2 million in the United States, widespread screening is needed to link the infected to care and decrease the possible consequences of untreated infection, including liver cancer, cirrhosis and death. Screening is currently fraught with challenges in both the developed and developing world. New point-of-care tests may have advantages over standard-of-care tests in terms of cost-effectiveness and linkage to care...
May 18, 2017: Theoretical Biology & Medical Modelling
https://www.readbyqxmd.com/read/28521822/central-nervous-system-manganese-induced-lesions-and-clinical-consequences-in-patients-with-hereditary-hemorrhagic-telangiectasia
#15
M M Serra, C H Besada, A Cabana Cal, A Saenz, C V Stefani, D Bauso, A B Golimstok, J C Bandi, D H Giunta, C M Elizondo
BACKGROUND: Around 47-74% of patients with hereditary hemorrhagic telangiectasia (HHT) have hepatic vascular malformations (HVMs); magnetic resonance images (MRI) of the central nervous system (CNS) might show in T1 sequences a hyper-intensity signal in different areas, mainly in the basal ganglia (BG) as consequence of manganese (Mn) deposits as observed in cirrhotic patients. These patients might suffer from different neuropsychiatric disorders (hepatic encephalopathy). In HHT patients, even in the presence of hepatic shunts, hepatocellular function is usually preserved...
May 18, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28520813/pancreatic-fat-content-by-magnetic-resonance-imaging-in-subjects-with-prediabetes-diabetes-and-controls-from-a-general-population-without-cardiovascular-disease
#16
Sophia D Heber, Holger Hetterich, Roberto Lorbeer, Christian Bayerl, Jürgen Machann, Sigrid Auweter, Corinna Storz, Christopher L Schlett, Konstantin Nikolaou, Maximilian Reiser, Annette Peters, Fabian Bamberg
BACKGROUND/OBJECTIVE: Despite the relevance of pancreatic fat content in the development of metabolic diseases, its association with impaired glucose metabolism, diabetes, and other adipose tissue compartments remains unclear. Thus, we determined differences in pancreatic fat content by magnetic resonance imaging (MRI) between subjects with prediabetes, diabetes, and normal controls in a cohort from the general population. METHODS: Subjects without history of cardiovascular disease with established diabetes or prediabetes as well as normal controls were included and underwent whole-body MRI on a 3T scanner...
2017: PloS One
https://www.readbyqxmd.com/read/28516570/proposal-of-size-based-surgical-indication-criteria-for-liver-hemangioma-based-on-a-nationwide-survey-in-japan
#17
Yoshihiro Sakamoto, Norihiro Kokudo, Takeyuki Watadani, Junji Shibahara, Masakazu Yamamoto, Hiroki Yamaue
BACKGROUND: Surgical indications for liver hemangioma remain unclear. METHODS: Of 510 patients undergoing surgical resection for liver hemangioma in 118 Japanese centers between 1998 and 2012, abdominal symptoms, diagnostic accuracy, and surgical outcomes were analyzed to propose size-based surgical indications. Patients were classified into four groups based on tumor size: Group A) ≤5 cm (n = 122, 24%), B) 5-10 cm (n = 164, 32%), C) 10-15 cm (n = 124, 24%), and D) >15 cm (n = 100, 20%)...
May 17, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28515846/passive-expansion-of-sub-maximally-dilated-transjugular-intrahepatic-portosystemic-shunts-and-assessment-of-clinical-outcomes
#18
Michael C Hsu, Charles N Weber, S William Stavropoulos, Timothy W Clark, Scott O Trerotola, Richard D Shlansky-Goldberg, Michael C Soulen, Gregory J Nadolski
AIM: To assess for passive expansion of sub-maximally dilated transjugular intrahepatic portosystemic shunts (TIPS) and compare outcomes with maximally dilated TIPS. METHODS: Polytetrafluoroethylene covered TIPS (Viatorr) from July 2002 to December 2013 were retrospectively reviewed at two hospitals in a single institution. Two hundred and thirty patients had TIPS maximally dilated to 10 mm (mTIPS), while 43 patients who were at increased risk for hepatic encephalopathy (HE), based on clinical evaluation or low pre-TIPS portosystemic gradient (PSG), had 10 mm TIPS sub-maximally dilated to 8 mm (smTIPS)...
April 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28514845/in-vivo-mercury-demethylation-in-marine-fish
#19
Xun Wang, Fengchang Wu, Wen-Xiong Wang
Mercury (Hg) in fish has attracted public attention for decades, and methylmercury (MeHg) is the predominant form in fish. However, the in vivo MeHg demethylation and its influence on Hg status in fish have not been well addressed. The present study investigated the in vivo demethylation process in a marine fish (black seabream, Acanthopagrus schlegeli) under dietary MeHg exposure and depuration, and quantified the biotransformation and inter-organ transportation of MeHg by developing a physiologically based pharmacokinetic (PBPK) model...
May 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28514410/-cryoglobulinemic-vasculitis-in-chronic-hepatitis-c-genetic-aspects
#20
M G Artemova, D T Abdurakhmanov
Cryoglobulinemia (CG) is detected in more than 50% of patients with chronic hepatitis C (CHC); however, only 15-25% of them develop cryoglobulinemic vasculitis (CV) that is a systemic vasculitis due to the formation of immune deposits, which affects small (less than medium-sized) vessels and which is frequently fatal for the patient. The causes of CG only in some patients with CHC and the pathogenesis of CV remain unstudied; however, the accumulated data allow one to identify the special contribution of the patient's genetic factors to the development of the disease...
2017: Terapevticheskiĭ Arkhiv
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