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Hepatology: Official Journal of the American Association for the Study of Liver Diseases

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https://www.readbyqxmd.com/read/28646562/argininosuccinate-synthase-1-ass1-a-marker-of-unclassified-hepatocellular-adenoma-and-high-bleeding-risk
#1
Elodie Henriet, Aya Abou Hammoud, Jean-William Dupuy, Benjamin Dartigues, Zakaria Ezzoukry, Nathalie Dugot-Senant, Thierry Leste-Lasserre, Nestor Pallares-Lupon, Macha Nikolski, Brigitte Le Bail, Jean-Frédéric Blanc, Charles Balabaud, Paulette Bioulac-Sage, Anne-Aurélie Raymond, Frédéric Saltel
Hepatocellular adenomas (HCA) are rare benign tumors divided into three main subgroups defined by patho-molecular features, HNF1A (H-HCA), mutated β-catenin (b-HCA) and inflammatory (IHCA). In the case of unclassified HCA (UHCA), which are currently identified by default, a high risk of bleeding remains a clinical issue. The objective of this study was to explore UHCA proteome with the aim to identify specific biomarkers. Following dissection of the tumoral (T) and non-tumoral (NT) tissue on formalin-fixed paraffin-embedded (FFPE) from HCA tissue sections using laser capture methodology, we performed mass spectrometry analysis to compare T and NT protein expression levels in HCA, H-HCA, IHCA, b-HCA, UHCA and focal nodular hyperplasia...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646560/letter-to-the-editor-authors-reply-healthy-controls-in-non-alcoholic-fatty-liver-disease-management-a-biomedical-research-perspective
#2
LETTER
Varun Takyar, Yaron Rotman
No abstract text is available yet for this article.
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646552/targeting-histone-deacetylase-4-ubc9-impairs-dna-repair-for-radiosensitization-of-hepatocellular-carcinoma-cells
#3
Chiao-Ling Tsai, Wei-Lin Liu, Feng-Ming Hsu, Po-Sheng Yang, Ruoh-Fang Yen, Kai-Yuan Tzen, Ann-Lii Cheng, Pei-Jer Chen, Jason Chia-, Hsien Cheng
Several strategies to improve the efficacy of radiation therapy against hepatocellular carcinoma (HCC) have been investigated. One approach was to develop radiosensitizing compounds. Because histone deacetylase 4 (HDAC4) is highly expressed in liver cancer and known to regulate oncogenesis through chromatin structure remodeling and controlling protein access to DNA, we postulated that HDAC4 inhibition might enhance radiation's effect on HCC cells. HCC cell lines (Huh7 and PLC5) and an ectopic xenograft were pretreated with HDAC inhibitor or shRNA to knock down expression of HDAC4, and then irradiated (2...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646551/prospero-related-homeobox-1-drives-angiogenesis-of-hepatocellular-carcinoma-through-selectively-activating-il-8-expression
#4
Yanfeng Liu, Yonglong Zhang, Shenghao Wang, Qiong-Zhu Dong, Zhongliang Shen, Wei Wang, Shuai Tao, Chenjian Gu, Jing Liu, Youhua Xie, Lun-Xiu Qin
Angiogenesis has been proven to play an important role in the progression of hepatocellular carcinoma (HCC). However, the molecular mechanism underlying HCC angiogenesis is not well understood. In this study, Prospero-related homeobox 1 (PROX1) was identified as a novel pro-angiogenic factor in HCC cell lines and tissues. A strong positive correlation was found between the levels of PROX1 and microvessel density in HCC tissues. Knockdown of PROX1 expression in HCC cells significantly inhibited the in vitro capillary tube formation by human vascular endothelial cells and in vivo angiogenesis of HCC, while overexpression of PROX1 in HCC cells induced the opposite effects...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646550/letter-to-the-editor-healthy-controls-in-non-alcoholic-fatty-liver-disease-management-a-biomedical-research-perspective
#5
LETTER
Saumya Pandey
No abstract text is available yet for this article.
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646543/hepatic-bile-acid-uptake-in-humans-and-mice-multiple-pathways-and-expanding-potential-role-for-gut-liver-signaling
#6
EDITORIAL
Paul A Dawson
No abstract text is available yet for this article.
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646515/alcohol-abstinence-in-patients-surviving-an-episode-of-alcoholic-hepatitis-prediction-and-impact-on-long-term-survival
#7
José Altamirano, Hugo López-Pelayo, Javier Michelena, Patricia D Jones, Lluisa Ortega, Pere Ginès, Juan Caballería, Antoni Gual, Ramón Bataller, Anna Lligoña
Alcoholic hepatitis (AH) is the most severe form of alcoholic liver disease. Most studies have focused on short-term prognosis, while factors associated with long-term survival are largely unknown. THE AIMS OF OUR STUDY WERE: 1) to determine the impact of complete abstinence from alcohol on long-term survival and 2) to identify prognostic factors at admission capable of predicting abstinence during long-term follow-up in patients with AH. One hundred and forty-two patients with biopsy-proven AH that survived the first episode were included...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646508/hepatic-stimulator-substance-resists-hepatic-ischemia-reperfusion-injury-by-regulating-drp1-translocation-and-activation
#8
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/28646502/the-liver-gut-microbiota-axis-modulates-hepatotoxicity-of-tacrine-in-the-rat
#9
Lian Yee Yip, Chiu Cheong Aw, Sze Han Lee, Yi Shuen Hong, Han Chen Ku, Winston Hecheng Xu, Jessalyn Mei Xuan Chan, Eleanor Jing Yi Cheong, Kern Rei Chng, Amanda Hui Qi Ng, Niranjan Nagarajan, Ratha Mahendran, Yuan Kun Lee, Edward R Browne, Eric Chun Yong Chan
The gut microbiota possesses diverse metabolic activities but its contribution towards heterogeneous toxicological responses is poorly understood. Here, we elucidate the role of the liver-gut microbiota axis in underpinning the hepatotoxicity of tacrine. We employed an integrated strategy combining pharmacokinetics, toxicology, metabonomics, genomics and metagenomics to elucidate and validate the mechanism of tacrine-induced hepatotoxicity in Lister hooded rats. Pharmacokinetic studies in rats demonstrated 3...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28640507/a-liver-specific-gene-expression-panel-predicts-the-differentiation-status-of-in-vitro-hepatocyte-models
#10
Dae-Soo Kim, Jea-Woon Ryu, Mi-Young Son, Jung-Hwa Oh, Kyung-Sook Chung, Sugi Lee, Jeong-Ju Lee, Jun-Ho Ahn, Ju-Sik Min, Jiwon Ahn, Hyun Mi Kang, Janghwan Kim, Cho-Rok Jung, Nam-Soon Kim, Hyun-Soo Cho
Alternative cell sources, such as three-dimensional organoids and induced pluripotent stem cell-derived cells, might provide a potentially effective approach for both drug development applications and clinical transplantation. For example, the development of cell sources for liver cell-based therapy has been increasingly needed, and liver transplantation is performed for the treatment for patients with severe end-stage liver disease. Differentiated liver cells and three-dimensional (3D) organoids are expected to provide new cell sources for tissue models and revolutionary clinical therapies...
June 22, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28635105/did-we-need-vasoconstrictors-up-to-5-days-after-successful-hemostasis-by-ligation-of-bleeding-varices
#11
LETTER
Gin-Ho Lo
No abstract text is available yet for this article.
June 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28628942/increasing-burden-of-liver-cancer-despite-extensive-use-of-antiviral-agents-in-a-hepatitis-b-virus-endemic-population
#12
Jonggi Choi, Seungbong Han, Namkug Kim, Young-Suk Lim
Most mortalities from liver disease and liver cancer worldwide are attributable to hepatitis B virus (HBV) and hepatitis C virus. Despite remarkable advances in the treatment of HBV over past decades, limited population-level data are available regarding its impact on burden of liver disease and liver cancer. Mortality data from liver disease and liver cancer were obtained from national death certificate database of Korea, a HBV-endemic country, between 1999 and 2013, and were analyzed by Joinpoint analysis...
June 19, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28622419/the-risk-of-hepatocellular-carcinoma-is-decreasing-after-the-first-5-years-of-entecavir-or-tenofovir-in-caucasians-with-chronic-hepatitis-b
#13
George V Papatheodoridis, Ramazan Idilman, George N Dalekos, Maria Buti, Heng Chi, Florian van Boemmel, Jose Luis Calleja, Vana Sypsa, John Goulis, Spilios Manolakopoulos, Alessandro Loglio, Spyros Siakavelas, Onur Keskın, Nikolaos Gatselis, Bettina E Hansen, Maria Lehretz, Juan de la Revilla, Savvoula Savvidou, Anastasia Kourikou, Ioannis Vlachogiannakos, Kostantinos Galanis, Cihan Yurdaydin, Thomas Berg, Massimo Colombo, Rafael Esteban, Harry L A Janssen, Pietro Lampertico
Whether there is a change of hepatocellular carcinoma (HCC) incidence in chronic hepatitis B (CHB) patients under long-term therapy with potent nucleos(t)ide analogues is currently unclear. We therefore assessed the HCC incidence beyond year 5 of entecavir/tenofovir therapy and tried to determine possible factors associated with late HCC occurrence. This European 10-center, cohort study included 1951 adult Caucasian CHB patients without HCC at baseline who received entecavir/tenofovir for ≥1 year. Of them, 1205 (62%) patients without HCC within the first 5 years of therapy have been followed for 5-10 (median: 6...
June 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28621467/critical-role-of-crebh-mediated-induction-of-tgf-%C3%AE-2-by-hcv-infection-in-fibrogenic-responses-in-hepatic-stellate-cells
#14
Takeshi Chida, Masahiko Ito, Kenji Nakashima, Yumi Kanegae, Takuya Aoshima, Shuji Takabayashi, Kazuhito Kawata, Yoshimi Nakagawa, Masahiro Yamamoto, Hitoshi Shimano, Tomokazu Matsuura, Yoshimasa Kobayashi, Takafumi Suda, Tetsuro Suzuki
Mechanisms of hepatic fibrogenesis induced by Hepatitis C virus (HCV), one of the leading causes of liver fibrosis, are not fully understood. We studied transcriptional up-regulation of transforming growth factor β (TGF-β), especially TGF-β2, which is mediated via the activation of liver-enriched transcription factor CREBH triggered by HCV infection and its functional significance for induction of profibrogenic phenotypes via interaction of HCV-infected cells with hepatic stellate cells (HSC). Compared to TGF-β1, expression of TGF-β2 mRNA was induced faster and to a higher level upon HCV infection...
June 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28617992/antiplatelet-therapy-and-the-risk-of-hepatocellular-carcinoma-in-chronic-hepatitis-b-patients-on-antiviral-treatment
#15
Minjong Lee, Goh Eun Chung, Jeong-Hoon Lee, Sohee Oh, Joon Yeul Nam, Young Chang, Hyeki Cho, Hongkeun Ahn, Young Youn Cho, Jeong-Ju Yoo, Yuri Cho, Dong Hyeon Lee, Eun Ju Cho, Su Jong Yu, Dong Ho Lee, Jeong Min Lee, Yoon Jun Kim, Jung-Hwan Yoon
Antiplatelet therapy has shown protective effects against hepatocellular carcinoma (HCC) in preclinical studies. However, it is unclear whether antiplatelet therapy lowers the risk of HCC in patients with chronic hepatitis B (CHB). A retrospective analysis was conducted of data from 1,674 CHB patients, enrolled between January 2002 and May 2015, whose serum hepatitis B virus (HBV) DNA levels were suppressed by antivirals to <2,000 IU/mL. The primary and secondary outcomes were development of HCC and bleeding events, respectively...
June 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28608973/high-hepatitis-c-cure-rates-among-black-and-non-black-hiv-infected-adults-in-an-urban-center
#16
Oluwaseun Falade-Nwulia, Catherine Sutcliffe, Juhi Moon, Geetanjali Chander, Tanyaporn Wansom, Jeanne Keruly, Jennifer Katzianer, Amy Nathanson, Jillian Marks, Shruti Mehta, David Thomas, Richard Moore, Mark Sulkowski
Background Hepatitis C virus (HCV) cure rates have been similar in patients with and without HIV co-infection; however, in the ION-4 study, black patients treated with ledipasvir/sofosbuvir were significantly less likely to achieve cure (90%) compared to non-black patients (99%). There are limited real world data on the effectiveness of oral direct acting antivirals (DAAs) in predominantly minority HIV/HCV co-infected populations. Methods We analyzed HCV treatment outcomes among 255 HCV co-infected patients initiating DAAs between February 2014 and March 2016 in an urban clinic in Baltimore, Maryland...
June 13, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28608964/hbx-elevated-msl2-modulates-hbv-cccdna-through-inducing-degradation-of-apobec3b-to-enhance-hepatocarcinogenesis
#17
Yuen Gao, Jinyan Feng, Guang Yang, Shuqin Zhang, Yunxia Liu, Yanan Bu, Mingming Sun, Man Zhao, Fuquan Chen, Weiying Zhang, Lihong Ye, Xiaodong Zhang
Chronic hepatitis B virus (HBV) infection is a leading cause in the occurrence of hepatitis B, liver cirrhosis and liver cancer, in which nuclear HBV covalently closed circular DNA (cccDNA), the genomic form that templates viral transcription and sustains viral persistence, plays crucial roles. In the present study, we explored the hypothesis that HBV X protein (HBx)-elevated male-specific lethal 2 (MSL2) activated HBV replication via modulating cccDNA in hepatoma cells, leading to hepatocarcinogenesis. Immunohistochemical analysis revealed that the expression of MSL2 was positively associated with that of HBV and was increased in the liver tissues of HBV-transgenic mice and clinical HCC patients...
June 13, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28605060/modelling-the-benefits-and-harms-of-surveillance-for-hepatocellular-carcinoma-information-to-support-informed-choices
#18
Eleanor J Taylor, Rebecca L Jones, J Ashley Guthrie, Ian A Rowe
Surveillance by ultrasonography for hepatocellular carcinoma (HCC) for individuals with cirrhosis is recommended. There is debate regarding the effectiveness of surveillance in reducing mortality and there is little information on the harms available to patients considering surveillance. The aim of this study was to provide estimates of both the benefit and harms of surveillance. A Markov model was built to simulate outcomes of individuals entering surveillance. Following identification of a focal lesion by ultrasound surveillance further investigations were defined by the EASL-EORTC recall policy...
June 12, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28605041/calcium-binding-protein-39-promotes-hepatocellular-carcinoma-growth-and-metastasis-by-activating-erk-signaling-pathway
#19
Lingxi Jiang, Qian Yan, Shuo Fang, Ming Liu, Li Yan, Yun-Fei Yuan, Yan Li, Yinghui Zhu, Jiali Qi, Xiaodong Yang, Dora Lai Wan Kwong, Xin-Yuan Guan
Calcium binding protein (CAB39) is a key regulator of a group of STE20 kinases. Here we report that CAB39 was frequently up-regulated in hepatocellular carcinoma (HCC), which was significantly associated with tumor metastasis (P=0.000), poorer disease-free survival rate (P=0.027) and poor prognosis (P=0.000). Ectopic expression of CAB39 in immortalized human liver cell line LO2 and HCC cell lines QGY-7703 and BEL-7402 could increase foci formation, colony formation in soft agar, tumor formation in nude mice and cell motility...
June 12, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28605040/acute-hepatic-porphyrias-recommendations-for-evaluation-and-long-term-management
#20
Manisha Balwani, Bruce Wang, Karl E Anderson, Joseph R Bloomer, D Montgomery Bissell, Herbert L Bonkovsky, John D Phillips, Robert J Desnick
The acute hepatic porphyrias (AHPs) are a group of four inherited disorders, each resulting from the deficient activity of a specific enzyme in the heme biosynthetic pathway. They present clinically with acute neurovisceral symptoms which may be sporadic or recurrent, and which, when severe, can be life-threatening. The diagnosis is often missed or delayed as the clinical features resemble other more common medical conditions. There are four major subgroups: symptomatic patients with sporadic or recurrent acute attacks, asymptomatic high porphyrin precursor excretors, and asymptomatic latent patients without symptoms or porphyrin precursor elevations...
June 12, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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