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Hepatitis A

I-Ting Tsai, Chao-Ping Wang, Teng-Hung Yu, Yung-Chuan Lu, Chih-Wen Lin, Li-Fen Lu, Cheng-Ching Wu, Fu-Mei Chung, Yau-Jiunn Lee, Wei-Chin Hung, Chia-Chang Hsu
Adipocytokines play an important role in adipose tissue homeostasis, especially in obesity-associated disorders such as non-alcoholic fatty liver and their complications including hepatocellular carcinoma (HCC). Although visfatin is an adipocytokine highly expressed in visceral fat that has been demonstrated to play a critical role in the progression of human malignancies, little is known about the role of visfatin in HCC associated with chronic hepatitis C virus (HCV) and hepatitis B virus (HBV) infection...
October 19, 2016: Cytokine
K S Weber, K Strassburger, G Pacini, B Nowotny, K Müssig, J Szendroedi, C Herder, M Roden
AIMS: To examine the hypothesis that changes in serum adiponectin concentration inversely relate to changes in glucose tolerance and β-cell function already during the early stage of disease progression in recently diagnosed Type 1 and Type 2 diabetes mellitus. METHODS: Participants in the prospective observational German Diabetes Study (Type 2 diabetes, n = 94; Type 1 diabetes, n =42) underwent i.v. glucose tolerance and glucagon stimulation testing to assess pre-hepatic β-cell function, glucose tolerance index and C-peptide secretion within the first year of diabetes diagnosis and 2 years later...
October 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
Eric Lawitz, Fred Poordad, Julio A Gutierrez, Jennifer T Wells, Carmen E Landaverde, Barbara Evans, Anita Howe, Hsueh-Cheng Huang, Jerry Jing Li, Peggy Hwang, Frank J Dutko, Michael Robertson, Janice Wahl, Eliav Barr, Barbara Haber
Direct-acting antiviral agents (DAAs) represent the standard of care for patients with hepatitis C virus (HCV) infection. Combining DAAs with different mechanisms may allow for shorter treatment durations that are effective across multiple genotypes. The aim of the C-SWIFT study was to identify the minimum effective treatment duration across multiple genotypes. C-SWIFT was an open-label, single-center trial in treatment-naïve patients with chronic HCV genotype (GT)1 or 3 infection. All patients received elbasvir (EBR) 100 mg/grazoprevir (GZR) 50 mg with sofosbuvir (SOF) 400 mg for 4-12 weeks...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Adam C Labonte, Sun-Sang J Sung, Lucas T Jennelle, Aditya P Dandekar, Young S Hahn
: The liver maintains an immunologically tolerant environment as a result of continuous exposure to food and bacterial constituents from the digestive tract. Hepatotropic pathogens can take advantage of this niche and establish lifelong chronic infections causing hepatic fibrosis and hepatocellular carcinoma. Macrophages (Mϕ) play a critical role in regulation of immune responses to hepatic infection and regeneration of tissue. However, the factors crucial for Mϕ in limiting hepatic inflammation or resolving liver damage have not been fully understood...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Neehar D Parikh, Vincent D Marshall, Amit G Singal, Hari Nathan, Anna S Lok, Rajesh Balkrishnan, Vahakn Shahinian
: Sorafenib is the only chemotherapeutic approved for treatment of advanced hepatocellular carcinoma (HCC.) However, its effectiveness in patients with Child Pugh B cirrhosis and any moderating effects of health system characteristics are unclear. We aimed to examine the survival and cost-effectiveness associated with sorafenib in elderly patients with advanced HCC. We performed an analysis of Medicare beneficiaries with HCC diagnoses from 2007-2009. We compared advanced stage patients with HCC (AJCC stage III/IV) who received sorafenib within 6 months of diagnosis (and were otherwise untreated) to advanced stage patients with HCC who received no therapy (control...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Daniel A Patten, Garrick K Wilson, Dalan Bailey, Robert K Shaw, Sirpa Jalkanen, Marko Salmi, Antal Rot, Christopher J Weston, David H Adams, Shishir Shetty
: The recruitment of lymphocytes via the hepatic sinusoidal channels and positioning within liver tissue is a critical event in the development and persistence of chronic inflammatory liver diseases. The hepatic sinusoid is a unique vascular bed lined by hepatic sinusoidal endothelial cells (HSEC), a functionally and phenotypically distinct sub-population of endothelial cells. Using flow based adhesion assays to study the migration of lymphocytes across primary human HSEC, we found that lymphocytes enter into HSEC, confirmed by electron microscopy demonstrating clear intracellular localization of lymphocytes in vitro and by studies in human liver tissues...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Anika Wranke, Beatriz Calle Serrano, Benjamin Heidrich, Janina Kirschner, Birgit Bremer, Patrick Lehmann, Svenja Hardtke, Katja Deterding, Kerstin Port, Max Westphal, Michael P Manns, Markus Cornberg, Heiner Wedemeyer
BACKGROUND: Hepatitis delta is the most severe form of viral hepatitis. Pegylated interferon alfa (PEG- IFNα) is effective in only 25-30% of patients and is associated with frequent side effects. The aim of this study was to analyze the clinical long-term outcome of hepatitis delta in relation to different antiviral treatment strategies. METHODS: We studied 136 anti-HDV-positive patients who were followed for at least 6 months in a retrospective single-center cohort (mean time of follow up 5...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Li Zhang, Zhihong Yang, Jocelyn Trottier, Olivier Barbier, Li Wang
: Bile acids (BAs) play critical physiological functions in cholesterol homeostasis and deregulation of BA metabolism causes cholestatic liver injury. Maternally expressed gene 3 (MEG3) was recently shown as a potential tumor suppressor, however its basic hepatic function remains elusive. Using RNA pull-down with biotin-labeled sense or anti-sense MEG3RNA followed by mass spectrometry, we identified RNA binding protein polypyrimidine tract-binding protein 1 (PTBP1) as a MEG3 interaction protein and validated their interaction by RNA immunoprecipitation (RIP)...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Joanne E Brady, Danielle K Liffmann, Anthony Yartel, Natalie Kil, Alex D Federman, Joseph Kannry, Cynthia Jordan, Omar I Massoud, David R Nerenz, Kimberly A Brown, Bryce D Smith, Claudia Vellozzi, David B Rein
BACKGROUND: From December 2012-March 2014, three randomized trials, each implementing a unique intervention in primary care settings (mail recruitment [repeated-mailing], an electronic health record best practice alert [BPA], and patient-solicitation [patient-solicitation]), evaluated HCV antibody testing, diagnosis, and costs for each of the interventions compared to standard-of-care testing. Multilevel multivariable models were used to estimate the adjusted risk ratio (aRR) for receiving an HCV antibody test, and costs were estimated using activity-based costing...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
E Vashakidze, I Mikadze, E Pachkoria
Hepatitis C virus is responsible for the majority of persistent viral infections of the liver, chronic hepatitis, liver cirrhosis and/ or hepatocellular carcinoma. Two strategies are important to curtailing the rising prevalence of disease: efficient diagnosis of acute hepatitis and identification of the likely mode of transmission. The aim of this study was to identify the clinical and epidemiological hallmarks of acute hepatitis C. During 2013-2015, 31 patients were hospitalized with a diagnosis of acute C hepatitis...
September 2016: Georgian Medical News
Silvania da Silva Teixeira, Carly Filgueira, Douglas H Sieglaff, Cindy Benod, Rosa Villagomez, Laurie J Minze, Aijun Zhang, Paul Webb, Maria Tereza Nunes
AIM: Thyroid hormones regulate metabolic response. While triiodothyronine (T3) is usually considered to be the active form of thyroid hormone, one form of diiodothyronine (3,5-T2) exerts T3-like effects on energy consumption and lipid metabolism. 3,5-T2 also improves glucose tolerance in rats and 3,5-T2 levels correlate with fasting glucose in humans. Presently, however, little is known about mechanisms of 3,5-T2 effects on glucose metabolism. Here, we set out to compare effects of T3, 3,5-T2 and another form of T2 (3,3-T2) in a mouse model of diet induced obesity and determined effects of T3 and 3,5-T2 on markers of classical insulin sensitization to understand how diiodothyronines influence blood glucose...
October 22, 2016: Acta Physiologica
Xuehua Piao, Soh Yamazaki, Sachiko Komazawa-Sakon, Sanae Miyake, Osamu Nakabayashi, Takeyuki Kurosawa, Tetsuo Mikami, Minoru Tanaka, Nico Van Rooijen, Masaki Ohmuraya, Akira Oikawa, Yuko Kojima, Soichiro Kakuta, Yasuo Uchiyama, Masato Tanaka, Hiroyasu Nakano
: Tissue-resident macrophages and bone marrow (BM)-derived monocytes play a crucial role in the maintenance of tissue homeostasis; however, their contribution to recovery from acute tissue injury is not fully understood. To address this issue, we generated an acute murine liver injury model using hepatocyte-specific Cflar-deficient (Cflar(Hep-low) ) mice. Cellular FLICE-inhibitory protein (cFLIP) expression was downregulated in Cflar-deficient hepatocytes, which thereby increased susceptibility of hepatocytes to death receptor-induced apoptosis...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Riin Tamm, Reedik Mägi, Roman Tremmel, Stefan Winter, Evelin Mihailov, Alenka Smid, Anja Möricke, Kathrin Klein, Martin Schrappe, Martin Stanulla, Richard Houlston, Richard Weinshilboum, Irena Mlinarič Raščan, Andres Metspalu, Lili Milani, Matthias Schwab, Elke Schaeffeler
Thiopurine-related hematotoxicity in paediatric acute lymphoblastic leukemia (ALL) and inflammatory bowel diseases has been linked to genetically defined variability in thiopurine S-methyltransferase (TPMT) activity. While gene testing of TPMT is being clinically implemented, it is unclear if additional genetic variation influences TPMT activity with consequences for thiopurine-related toxicity. To examine this possibility, we performed a genome-wide association study (GWAS) of red blood cell TPMT activity in 844 Estonian individuals and 245 paediatric ALL-cases...
October 22, 2016: Clinical Pharmacology and Therapeutics
Shanna Cheng, Elton Li, Anna S Lok
Despite guidelines recommending hepatitis B virus (HBV) screening among the Asian population, not all Asians are screened. We assessed barriers to and factors predicting HBV screening in Michigan. Adults residing in Southeast Michigan self-identifying as Asian were surveyed at Asian grocery stores, restaurants, churches, and community events. 404 persons participated in the survey, 54 % were women, median age was 51 years, 63 % were Chinese, and 93.8 % were born outside the U.S. 181 (44.8 %) had not or could not recall having been screened for HBV...
October 21, 2016: Journal of Community Health
Haruyoshi Tanaka, Mitsuro Kanda, Dai Shimizu, Chie Tanaka, Daisuke Kobayashi, Masamichi Hayashi, Naoki Iwata, Suguru Yamada, Tsutomu Fujii, Goro Nakayama, Hiroyuki Sugimoto, Michitaka Fujiwara, Yukiko Niwa, Yasuhiro Kodera
BACKGROUND: Gastric cancer (GC) relapse can occur even if curative resection is achieved. Biomarkers predicting recurrence are needed to provide appropriate postoperative surveillance and perioperative therapeutic strategy. METHODS: A global expression profiling was performed using tissues from GC patients with synchronous liver-confined metastasis. Family with sequence similarity 46, member C (FAM46C), was identified as a candidate biomarker. mRNA expression analysis, direct nucleotide sequencing, bisulfite sequencing and copy number assays for FAM46C were performed with eleven GC cell lines...
October 21, 2016: Annals of Surgical Oncology
J Teixeira, J R Mesquita, S S Pereira, R M S Oliveira, J Abreu-Silva, A Rodrigues, M Myrmel, K Stene-Johansen, J Øverbø, G Gonçalves, M S J Nascimento
The concept of zoonotic hepatitis E in industrialized countries has emerged with the discovery of swine strains of hepatitis E virus (HEV) genotype 3, closely related to human HEV. Different routes of zoonotic HEV transmission have been recognized, including contact with infected pigs. Workers occupationally exposed to swine (WOES) have been considered a risk group for HEV infection, but contradictory results have been reported. In the present study, we searched for anti-HEV IgG in WOES (butchers, slaughterhouse workers, veterinarians and pig farmers; n = 114) and in the general population (n = 804) in order to investigate the potential occupational risk of zoonotic HEV infection in this work group...
October 21, 2016: Medical Microbiology and Immunology
Chansik An, Hyungjin Rhee, Kyunghwa Han, Jin-Young Choi, Young-Nyun Park, Mi-Suk Park, Myeong-Jin Kim, Sumi Park
OBJECTIVES: To examine the added value of considering smooth hypointense rim in the hepatobiliary phase (HBP) of gadoxetic acid-enhanced MRI as capsule appearance for diagnosing tumour capsules and hepatocellular carcinoma (HCC). METHODS: A total of 377 hepatic lesions (330 HCCs, 35 non-HCC malignancies and 12 benign) were included from 345 patients who underwent resection after MRI between January 2008 and December 2011. Two radiologists assessed the presence or absence of conventional capsule appearance and smooth hypointense rim in the HBP, and categorized each hepatic lesion according to the Liver Imaging Reporting and Data System...
October 21, 2016: European Radiology
Nabia S Ikram, Judy Yee, Stefanie Weinstein, Benjamin M Yeh, Carlos U Corvera, Alexander Monto, Thomas A Hope
PURPOSE: To establish if triple-phase arterial imaging improves the detection of arterial phase hyperintense lesions based on arterial phase capture, motion artifact degradation, and lesion enhancement when compared to single-phase imaging. MATERIALS AND METHODS: Patients at risk for hepatocellular carcinoma were imaged at 3.0T. Seventy-three consecutive patients with a standard single-phase MRI and eighty-five consecutive patients were imaged using extracellular contrast with triple arterial phase MRI using three sequential accelerated acquisitions of 8 s...
October 21, 2016: Abdominal Radiology
Qihong Ni, Haolu Wang, Yunhe Zhang, Lijun Qian, Jiachang Chi, Xiaowen Liang, Tao Chen, Jian Wang
PURPOSE: The purpose of this study is to investigate the value of multidetector computed tomography (MDCT) assessment of resectability in hilar cholangiocarcinoma, and to identify the factors associated with unresectability and accurate evaluation of resectability. METHODS: From January 2007 to June 2015, a total of 77 consecutive patients were included. All patients had preoperative MDCT (with MPR and MinIP) and surgical treatment, and were pathologically proven with hilar cholangiocarcinoma...
October 21, 2016: Abdominal Radiology
H Mielke, E Di Consiglio, R Kreutz, F Partosch, E Testai, U Gundert-Remy
A physiologically based human kinetic model (PBHKM) was used to predict the in vivo ibuprofen dose leading to the same concentration-time profile as measured in cultured human hepatic cells (Truisi et al. in Toxicol Lett 233(2):172-186, 2015). We parameterized the PBHKM with data from an in vivo study. Tissue partition coefficients were calculated by an algorithm and also derived from the experimental in vitro data for the liver. The predicted concentration-time profile in plasma was in excellent agreement with human experimental data when the liver partition coefficient was calculated by the algorithm (3...
October 21, 2016: Archives of Toxicology
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