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Lipid and chronic hepatitis C

Ying Li, Gao Yang, Jinwei Qiang, Songqi Cai, Hao Zhou
OBJECTIVE: To investigate the incidence of insulin resistance (IR) and diabetes in patients with chronic hepatic schistosomiasis japonica (HSJ) and portosystemic shunts (PSS). METHODS: Pre- and post-contrasted computed tomography images obtained from patients with HSJ and control subjects were reviewed by two radiologists who identified and graded any shunting vessels. Anthropometric measurements, hepatic enzymes, lipid profile, blood levels of albumin, glucose, insulin and homeostasis model assessment (HOMA-2) index of all participants were also assessed...
September 29, 2016: Journal of International Medical Research
Stefan Mauss, Florian Berger, Malte H Wehmeyer, Patrick Ingiliz, Dietrich Hueppe, Thomas Lutz, Karl G Simon, Knud Schewe, Juergen K Rockstroh, Axel Baumgarten, Stefan Christensen
HCV has complex interactions with human lipid metabolism leading to down regulation of cholesterol levels. Interferon therapy has been shown to decrease cholesterol even further. With the availability of second generation direct acting antiviral agents (DAA) the effect of suppressing and eliminating HCV on lipid metabolism warrants reevaluation. 
Methods: Prospective German multicenter cohort on HCV- and HIV/HCV-infected patients treated with direct antiviral agents (GECCO). Lipids were assessed at baseline, during and after therapy...
September 29, 2016: Antiviral Therapy
Satoru Hashimoto, Hiroshi Yatsuhashi, Seigo Abiru, Kazumi Yamasaki, Atsumasa Komori, Shinya Nagaoka, Akira Saeki, Shinjiro Uchida, Shigemune Bekki, Yuki Kugiyama, Kazuyoshi Nagata, Minoru Nakamura, Kiyoshi Migita, Kazuhiko Nakao
BACKGROUND & AIM: We performed lipid analyses at the early period of therapy in patients with chronic hepatitis C who underwent interferon (IFN)-free direct-acting antiviral (DAA) treatment, and we attempted to identify the factors that contributed to a rapid increase in the patients' serum low-density lipoprotein cholesterol (LDL-C) concentration. METHODS: We retrospectively analyzed the cases of 100 consecutive patients with HCV infection treated at the National Hospital Organization Nagasaki Medical Center: 24 patients underwent daclatasvir (DCV) and asunaprevir (ASV) combination therapy (DCV/ASV) for 24 weeks, and the other 76 patients underwent ledipasvir and sofosbuvir combination therapy (LDV/SOF) for 12 weeks...
2016: PloS One
Na Fu, Hui Yao, Yuemin Nan, Liang Qiao
Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death worldwide. Hepatitis C virus (HCV) infection is the predominant cause of chronic liver diseases and HCC, particularly in Western countries. Multiple molecular mechanisms are involved in the development and progression of HCV-related HCC, of which oxidative stress plays a pivotal role. HCV infection induces overproduction of reactive oxygen species (ROS) and impairs the function of endogenous antioxidants. Excessive amount of ROS directly damages DNA, lipids and proteins...
September 26, 2016: Current Cancer Drug Targets
Hung-Yu Sun, Chun-Chieh Lin, Pei-Ju Tsai, Wei-Jen Tsai, Jin-Ching Lee, Chiung-Wen Tsao, Pin-Nan Cheng, I-Chin Wu, Yen-Cheng Chiu, Ting-Tsung Chang, Kung-Chia Young
Lipoprotein lipase (LPL) has been identified as an anti-HCV host factor, but the cellular mechanism remains elusive. Here, we investigated the cellular mechanism of LPL involving in anti-HCV. The functional activation of peroxisome proliferator-activated receptor (PPAR) α signal by LPL transducing into hepatocytes were investigated in HCV-infected cells, primary human heaptocytes (PHHs), and in HCV-core transgenic mice. The result showed that the levels of transcriptional transactivity and nuclear translocation of PPARα in Huh7 cells and PHHs were elevated by physiologically ranged LPL treatment of either very-low-density lipoprotein or HCV particles...
September 25, 2016: Cellular Microbiology
Yoko Tsukuda, Goki Suda, Seiji Tsunematsu, Jun Ito, Fumiyuki Sato, Katsumi Terashita, Masato Nakai, Takuya Sho, Osamu Maehara, Tomoe Shimazaki, Megumi Kimura, Kenichi Morikawa, Mitsuteru Natsuizaka, Koji Ogawa, Shunsuke Ohnishi, Makoto Chuma, Naoya Sakamoto
Hepatitis C virus (HCV) has been reported to hijack fatty acid metabolism in infected hepatocytes, taking advantage of lipid droplets for virus assembly. In this study, we analyzed the anti-HCV activity of l-carnitine, a substance involved in the transport of fatty acids into mitochondria. JFH-1 or HCV replicon-transfected Huh7.5.1 cells were treated with or without l-carnitine to examine its anti-HCV effects. The effects of l-carnitine on HCV entry, HCV-induced adipogenesis and lipid droplet formation, and HCV-induced oxidative stress were examined...
September 24, 2016: Journal of Medical Virology
Omar Ramos-Lopez, Sonia Roman, Erika Martinez-Lopez, Nora A Fierro, Karina Gonzalez-Aldaco, Alexis Jose-Abrego, Arturo Panduro
AIM: To analyze the association of the CD36 polymorphism (rs1761667) with dietary intake and liver fibrosis (LF) in chronic hepatitis C (CHC) patients. METHODS: In this study, 73 patients with CHC were recruited. The CD36 genotype (G > A) was determined by a TaqMan real-time PCR system. Dietary assessment was carried out using a three-day food record to register the daily intake of macronutrients. Serum lipids and liver enzymes were measured by a dry chemistry assay...
September 8, 2016: World Journal of Hepatology
Zarife Nigâr Özdemir-Kumral, Dilek Özbeyli, Ahmet Faruk Özdemir, M Buğra Karaaslan, Kübra Kaytaz, Mustafa F Kara, Olgu Enis Tok, Feriha Ercan, Berrak Ç Yeğen
INTRODUCTION: Despite its adverse health consequences, tobacco smoking is associated with lower incidence of several neurodegenerative and inflammatory diseases. The present study is aimed to show the effects of nicotine, major tobacco constituent, on five organs targeted by sepsis. METHODS: Male Wistar albino rats received tap water with (5 mg/kg) or without nicotine for 14 days. Under ketamine anesthesia, sepsis (n=50) was induced by ligation and punction of the cecum, while sham group (n=8) had only laparotomy...
August 3, 2016: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
S Avinash, V P Singh, A K Agarwal, S Chatterjee, V Arya
BACKGROUND: Cystatin C is a low molecular weight protein produced by all nucleated human cells, with a stable production rate. Its levels are not influenced by inflammation, infections, hepatic or renal diseases, or by dietary or constitutional factors. We compared serum cystatin C and serum creatinine based predicting equations to estimate glomerular filteration rate (GFR) in type 2 diabetes mellitus, using the staging of chronic kidney disease (CKD) defined by the National Kidney Foundation...
November 2015: Journal of the Association of Physicians of India
E Matthew Morris, Grace M E Meers, Lauren G Koch, Steven L Britton, Justin A Fletcher, Xiaorong Fu, Kartik Shankar, Shawn C Burgess, Jamal A Ibdah, R Scott Rector, John P Thyfault
Rats selectively bred for high capacity running (HCR) or low capacity running (LCR) display divergence for intrinsic aerobic capacity and hepatic mitochondrial oxidative capacity, both factors associated with susceptibility for nonalcoholic fatty liver disease. Here, we tested if HCR and LCR rats display differences in susceptibility for hepatic steatosis after 16 wk of high-fat diets (HFD) with either 45% or 60% of kcals from fat. HCR rats were protected against HFD-induced hepatic steatosis, whereas only the 60% HFD induced steatosis in LCR rats, as marked by a doubling of liver triglycerides...
October 1, 2016: American Journal of Physiology. Endocrinology and Metabolism
Maria Elizabeth de Sousa Rodrigues, Mandakh Bekhbat, Madelyn C Houser, Jianjun Chang, Douglas I Walker, Dean P Jones, Claudia M P Oller do Nascimento, Christopher J Barnum, Malú G Tansey
The mechanisms underlying the association between chronic psychological stress, development of metabolic syndrome (MetS), and behavioral impairment in obesity are poorly understood. The aim of the present study was to assess the effects of mild chronic psychological stress on metabolic, inflammatory, and behavioral profiles in a mouse model of diet-induced obesity. We hypothesized that (1) high-fat high-fructose diet (HFHF) and psychological stress would synergize to mediate the impact of inflammation on the central nervous system in the presence of behavioral dysfunction, and that (2) HFHF and stress interactions would impact insulin and lipid metabolism...
September 1, 2016: Brain, Behavior, and Immunity
Eleonora Scorletti, Christopher D Byrne
Non-alcoholic fatty liver disease (NAFLD) encompasses a spectrum of liver diseases from simple steatosis with hepatic lipid accumulation to end-stage liver disease with decompensated cirrhosis, liver failure and hepatocellular carcinoma. Recent data from the USA showed that in 2013, NAFLD was the second most frequent indication for liver transplantation behind hepatitis C. Since there are now effective treatments for hepatitis C and there is currently no licensed treatment for NAFLD, it has been predicted that over the next 10-15 years, NAFLD will replace hepatitis C as the most frequent indication for liver transplantation...
2016: Digestive Diseases
Zaili Yang, Xiaoning Wang, Xiumei Chi, Fanfan Zhao, Jinxu Guo, Pengjuan Ma, Jin Zhong, Junqi Niu, Xiaoyu Pan, Gang Long
: Hepatitis C virus (HCV) is a major cause of chronic liver disease, infecting approximately 170 million people worldwide. HCV assembly is tightly associated with the lipoprotein pathway. Exchangeable apolipoprotein E (apoE) is incorporated on infectious HCV virions and is important for infectious HCV virion morphogenesis and entry. Moreover, the virion apoE level is positively correlated with its ability to escape E2 antibody neutralization. However, the role of apoE exchange in the HCV life cycle is unclear...
November 1, 2016: Journal of Virology
Refaat Omar, Jiaqi Yang, Haoyuan Liu, Neal M Davies, Yuewen Gong
Hepatic fibrosis is a reversible wound-healing response to either acute or chronic liver injury caused by hepatitis B or C, alcohol, and toxic agents. Hepatic fibrosis is characterized by excessive accumulation and reduced degradation of extracellular matrix (ECM). Excessive accumulation of ECM alters the hepatic architecture leading to liver fibrosis and cirrhosis. Cirrhosis results in failure of common functions of the liver. Hepatic stellate cells (HSC) play a major role in the development of liver fibrosis as HSC are the main source of the excessive production of ECM in an injured liver...
August 18, 2016: Reviews of Physiology, Biochemistry and Pharmacology
Chia-Yu Liu, Pin-Hao Ko, Hung-Rong Yen, Chen-Hung Cheng, Yu-Hsien Li, Zih-Han Liao, Chung-Hua Hsu
BACKGROUND & AIMS: This study examined the effects of a traditional Chinese medicine decoction, Kuan-Sin-Yin (KSY), on patients with chronic hepatitis C (CHC) in a randomised and placebo-controlled clinical trial. METHODS: This trial enrolled 70 subjects with CHC who were randomised into 2 groups each with 35 participants. In total, 29 participants in the therapeutic group took 100mL of the herbal decoction daily, whereas 28 in the control group took an herbal placebo with the same dose and frequency for the 6-week study...
August 2016: Complementary Therapies in Medicine
Robert J Wong, Robert G Gish
Chronic hepatitis C virus (HCV) infection is associated with many extrahepatic manifestations that contribute to morbidity and mortality. It is especially important to be aware of metabolic manifestations and serious complications that affect other organs and cancer risks. Chronic HCV infection itself contributes to de novo development of insulin resistance and hepatic steatosis, both of which increase the risk of cardiovascular diseases. Through these metabolic pathways (as well as through other hypothesized mechanisms that involve lipid metabolism, systemic inflammatory signals, and endothelial dysfunction), chronic HCV infection also contributes to significant systemic cardiovascular morbidity and mortality...
May 2016: Gastroenterology & Hepatology
Yashaswini Kannan, Jimena Perez-Lloret, Yanda Li, Lewis J Entwistle, Hania Khoury, Stamatia Papoutsopoulou, Radma Mahmood, Nuha R Mansour, Stanley Ching-Cheng Huang, Edward J Pearce, Luiz Pedro S de Carvalho, Steven C Ley, Mark S Wilson
Persistent TH2 cytokine responses following chronic helminth infections can often lead to the development of tissue pathology and fibrotic scarring. Despite a good understanding of the cellular mechanisms involved in fibrogenesis, there are very few therapeutic options available, highlighting a significant medical need and gap in our understanding of the molecular mechanisms of TH2-mediated immunopathology. In this study, we found that the Map3 kinase, TPL-2 (Map3k8; Cot) regulated TH2-mediated intestinal, hepatic and pulmonary immunopathology following Schistosoma mansoni infection or S...
August 2016: PLoS Pathogens
Martin Janicko, Sylvia Drazilova, Daniel Pella, Jan Fedacko, Peter Jarcuska
Statins are a class of molecules that inhibit HMG CoA reductase. They are usually prescribed as a lipid lowering medication. However, there is accumulating evidence that statins have multiple secondary effects both related and unrelated to their lipid-lowering effect. This narrative review of the literature aims to provide the reader with information from clinical studies related to the effect of statin and statins' potential use in patients with liver diseases. In patients with advanced liver disease due to any etiology, statins exhibit an antifibrotic effect possibly through the prevention of hepatic sinusoidal microthrombosis...
July 21, 2016: World Journal of Gastroenterology: WJG
Shingo Iwasa, Naoko Sato, Chao-Wen Wang, Yun-Hsin Cheng, Hayato Irokawa, Gi-Wook Hwang, Akira Naganuma, Shusuke Kuge
Chronic infection with the hepatitis C virus frequently induces steatosis, which is a significant risk factor for liver pathogenesis. Steatosis is characterized by the accumulation of lipid droplets in hepatocytes. The structural protein core of the virus induces lipid droplet formation and localizes on the surface of the lipid droplets. However, the precise molecular mechanisms for the core-induced formation of lipid droplets remain elusive. Recently, we showed that the expression of the core protein in yeast as a model system could induce lipid droplet formation...
2016: PloS One
Alessandro Federico, Vittorio Maria Ormando, Marcello Dallio, Ludovico Abenavoli, Mario Masarone, Marcello Persico, Carmela Loguercio
Alcoholic and virus C hepatitis currently represent the main causes of chronic liver disease worldwide. Every year many people die and are subjected to complex hospitalization and medical assistance due to these pathologies. Alcoholic liver disease and hepatitis C virus chronic infection are often present in the same patient. These two pathologies sinergically act in determining the onset and progression of liver damage that, from the chronic hepatitis staging, may rapidly progress to fibrosis, cirrhosis and hepatocellular carcinoma...
July 23, 2016: Reviews on Recent Clinical Trials
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