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https://www.readbyqxmd.com/read/28346857/the-influence-of-epicardial-fat-and-nonalcoholic-fatty-liver-disease-on-heart-rate-recovery-in-metabolic-syndrome
#1
Kyoung Im Cho, Eun Ah Jo, Sang Hoon Cho, Bo Hyun Kim
BACKGROUND: Epicardial adipose tissues reflecting visceral fat accumulations of the heart are associated with metabolic syndrome (MetS) and can be a predictor of other cardiometabolic diseases. It can adversely influence autonomic nervous system (ANS) of heart. Heart rate recovery (HRR) is an easy method for measuring ANS dysfunction. The purpose of this study was to determine whether epicardial fat thickness (EFT) and nonalcoholic fatty liver disease (NAFLD) are related to HRR in patients with MetS...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346483/effect-of-mir-146-targeted-hdmcp-up-regulation-in-the-pathogenesis-of-nonalcoholic-steatohepatitis
#2
Xi Jin, Jiang Liu, Yi-Peng Chen, Zun Xiang, Jie-Xia Ding, You-Ming Li
BACKGROUNDS/AIMS: Mitochondrial dysfunction plays an important role inthe pathogenesis of nonalcoholic steatohepatitis (NASH), where uncoupling protein (UCP) is actively involved. We previously reported the uncoupling activity of HDMCP and its role in liver steatosis. We now aim to investigate the degree and therapeutic effect of HDMCP in NASH and the regulatory role of miR-146 on HDMCP. METHODS: NASH animal model was established by feeding BALB/c mice with MCD diet while L02 cell was cultured with high concentration of fatty acid (HFFA) for 72h to mimic the steatosis and inflammation of NASH in-vitro appearance...
2017: PloS One
https://www.readbyqxmd.com/read/28345499/synbiotic-supplementation-in-lean-patients-with-non-alcoholic-fatty-liver-disease-a-pilot-randomised-double-blind-placebo-controlled-clinical-trial
#3
Fatemeh Mofidi, Hossein Poustchi, Zahra Yari, Babak Nourinayyer, Shahin Merat, Maryam Sharafkhah, Reza Malekzadeh, Azita Hekmatdoost
Although non-alcoholic fatty liver disease (NAFLD) is the leading aetiology of liver disorders in the world, there is no proven treatment for NAFLD patients with normal or low BMI. The aim of this study was to evaluate the efficacy of synbiotics supplementation in NAFLD patients with normal or low BMI. In this randomised, double-blind, placebo-controlled, clinical trial, fifty patients with NAFLD were assigned to take either a synbiotic supplement or a placebo capsule for 28 weeks. Both groups were advised to follow a healthy lifestyle...
March 27, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28344322/astragaloside-iv-attenuates-free-fatty-acid-induced-er-stress-and-lipid-accumulation-in-hepatocytes-via-ampk-activation
#4
Bing Zhou, Dan-Li Zhou, Xiao-Hong Wei, Rong-Yu Zhong, Jie Xu, Liao Sun
Although the pathogenesis of non-alcoholic fatty liver disease (NAFLD) is not completely understood, the increased influx of free fatty acids (FFAs) into the liver and the FFA-induced hepatic endoplasmic reticulum (ER) stress are two crucial pathogenic processes in the initiation and development of NAFLD. In this study we investigated the effects of astragaloside IV (AS-IV), a bioactive compound purified from Astragali Radix, on FFA-induced lipid accumulation in hepatocytes and elucidated the underlying mechanisms...
March 27, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28344000/long-term-adult-feline-liver-organoid-cultures-for-disease-modeling-of%C3%A2-hepatic-steatosis
#5
Hedwig S Kruitwagen, Loes A Oosterhoff, Ingrid G W H Vernooij, Ingrid M Schrall, Monique E van Wolferen, Farah Bannink, Camille Roesch, Lisa van Uden, Martijn R Molenaar, J Bernd Helms, Guy C M Grinwis, Monique M A Verstegen, Luc J W van der Laan, Meritxell Huch, Niels Geijsen, Robert G Vries, Hans Clevers, Jan Rothuizen, Baukje A Schotanus, Louis C Penning, Bart Spee
Hepatic steatosis is a highly prevalent liver disease, yet research is hampered by the lack of tractable cellular and animal models. Steatosis also occurs in cats, where it can cause severe hepatic failure. Previous studies demonstrate the potential of liver organoids for modeling genetic diseases. To examine the possibility of using organoids to model steatosis, we established a long-term feline liver organoid culture with adult liver stem cell characteristics and differentiation potential toward hepatocyte-like cells...
March 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28343696/hypothermic-perfusion-with-retrograde-outflow-during-right-hepatectomy-is-safe-and-feasible
#6
Megan J Reiniers, Pim B Olthof, Rowan F van Golen, Michal Heger, Adriaan A van Beek, Ben Meijer, René Leen, André B P van Kuilenburg, Banafsche Mearadji, Roelof J Bennink, Joanne Verheij, Thomas M van Gulik
BACKGROUND: In situ hypothermic perfusion during liver resection performed under vascular inflow occlusion decreases hepatic ischemia-reperfusion injury, but technical limitations have restricted its widespread use. In situ hypothermic perfusion with retrograde outflow circumvents these impediments and thus could extend the applicability of in situ hypothermic perfusion. The safety and feasibility of in situ hypothermic perfusion with retrograde outflow were analyzed in selected patients undergoing right (extended) hepatectomy and compared to intermittent vascular inflow occlusion, the gold standard method, in this randomized pilot study...
March 23, 2017: Surgery
https://www.readbyqxmd.com/read/28341485/modulation-of-gut-microbiota-contributes-to-curcumin-mediated-attenuation-of-hepatic-steatosis-in-rats
#7
Wenhuan Feng, Hongdong Wang, Pengzi Zhang, Caixia Gao, Junxian Tao, Zhijuan Ge, Dalong Zhu, Yan Bi
BACKGROUND: Structural disruption of gut microbiota contributes to the development of non-alcoholic fatty liver disease (NAFLD) and modulating the gut microbiota represents a novel strategy for NAFLD prevention. Although previous studies have demonstrated that curcumin alleviates hepatic steatosis, its effect on the gut microbiota modulation has not been investigated. METHODS: Next generation sequencing and multivariate analysis were utilized to evaluate the structural changes of gut microbiota in a NAFLD rat model induced by high fat-diet (HFD) feeding...
March 21, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28341391/mice-lacking-liver-specific-%C3%AE-catenin-develop-steatohepatitis-and-fibrosis-after-iron-overload
#8
Morgan E Preziosi, Sucha Singh, Erika V Valore, Chun-Ling Jung, Branimir Popovic, Minakshi Poddar, Shanmugam Nagarajan, Tomas Ganz, Satdarshan P Monga
BACKGROUND & AIMS: Iron overload disorders such as hereditary hemochromatosis and iron-loading anemias are a common cause of morbidity from liver diseases and increase risk of hepatic fibrosis and hepatocellular carcinoma (HCC). Once iron-induced damage occurs, treatment options are limited partly because of the lack of animal models recapitulating human disease, which do not exhibit relevant sequelae after chronic iron overload. METHODS: Since liver-specific β-catenin knockout mice (KO) are susceptible to injury, fibrosis and tumorigenesis following chemical carcinogen exposure, iron-overload diet was administered to KO and littermate control (CON) mice for various times...
March 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28341248/abnormal-lipid-lipoprotein-metabolism-and-high-plasma-testosterone-levels-in-male-but-not-female-aromatase-knockout-mice
#9
Akiko Amano, Yoshitaka Kondo, Yoshihiro Noda, Mitsuhiro Ohta, Noriaki Kawanishi, Shuichi Machida, Kazuteru Mitsuhashi, Takafumi Senmaru, Michiaki Fukui, Osamu Takaoka, Taisuke Mori, Jo Kitawaki, Masafumi Ono, Toshiji Saibara, Hiroshi Obayashi, Akihito Ishigami
Sex steroid hormones, such as estrogen and testosterone, are believed to play important roles in lipid metabolism. To elucidate the effects of estrogen depletion on lipid metabolism in male and female mice, we used aromatase-knockout (ArKO) mice, in which Cyp19 gene disruption prevented estrogen synthesis in vivo. These mice were divided into the following 4 groups: male and female ArKO mice and male and female wild-type (WT) mice. These mice were fed a normal-fat diet (13.6% fat) ad libitum. At 159 days after birth, the mice were tested for liver and plasma lipid content and hepatic hormone receptor- and lipid/lipoprotein metabolism-related gene expression...
March 21, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28339345/alanine-aminotransferase-is-a-marker-of-lipotoxicity-consequences-and-hyperandrogenemia-in-women-with-polycystic-ovary-syndrome
#10
Matea Belan, Chloé Pelletier, Jean-Patrice Baillargeon
BACKGROUND: Several studies have reported higher levels of Alanine aminotransferase (ALT) in women with polycystic ovary syndrome (PCOS) compared with control subjects. Plasma ALT levels are considered a marker of hepatic lipotoxicity because of their significant associations with different hepatic metabolic dysfunctions, such as hepatic steatosis and hepatic insulin resistance. METHODS: Retrospective chart review aiming to assess, in PCOS women, the relationship between ALT levels and measures of lipotoxicity consequences that are available clinically, both during fasting and using the oral glucose tolerance test...
April 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28338460/role-of-computed-tomography-volumetry-in-estimating-liver-weights-in-surgical-patients-with-hepatic-steatosis
#11
Yeonjung Ha, Ju Hyun Shim, Gi-Won Song, Seon-Ok Kim, Tae-Yong Ha, Dong-Hwan Jung, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Sung-Gyu Lee
OBJECTIVES: Our objective was to assess the accuracy of computed tomography volumetry in estimating liver volume in steatotic patients. MATERIALS AND METHODS: We divided 641 liver donors (mean age 27 years, 71% male) into 4 groups according to the extent of steatosis on predonation biopsy: with < 5% comprising group 1, 5% to 9% comprising group 2, 10% to 19% comprising group 3, and ≥ 20% comprising group 4. Graft mass estimation error (%) was calculated as follows: [(computed tomography-measured volume minus graft weight)/graft weight] × 100...
April 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28336330/requirement-of-cytosolic-phospholipase-a2-gamma-in-lipid-droplet-formation
#12
Xi Su, Shuhui Liu, Xianwen Zhang, Sin Man Lam, Xue Hu, Yuan Zhou, Jizheng Chen, Yun Wang, Chunchen Wu, Guanghou Shui, Mengji Lu, Rongjuan Pei, Xinwen Chen
Lipid droplet (LD) accumulation in hepatocytes is a typical character of steatosis. Hepatitis C virus (HCV) infection, one of the risk factors related to steatosis, induced LD accumulation in cultured cells. However, the mechanisms of which HCV induce LD formation are not fully revealed. Previously we identified cytosolic phospholipase A2 gamma (PLA2G4C) as a host factor upregulated by HCV infection and involved in HCV replication. Here we further revealed that PLA2G4C plays an important role in LD biogenesis and refined the functional analysis of PLA2G4C in LD biogenesis and HCV assembly...
March 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28335515/dehydroepiandrosterone-dhea-feeding-protects-liver-steatosis-in-obese-breast-cancer-rat-model
#13
Reza Hakkak, Andrea Bell, Soheila Korourian
Obesity is a major health problem in the US and globally. Obesity is associated with the risk of cardiovascular disease, type 2 diabetes, cancers, hyperlipidemia, and liver steatosis development. Dehydroepiandrosterone (DHEA) is a dietary supplement used as an anti-obesity supplement. Previously, we reported that DHEA feeding protects 7,12-dimethylbenz(a)anthracene (DMBA)-induced mammary tumors. The objectives of this study were to investigate the effects of obesity and DHEA feeding on liver steatosis, body weight gain, and serum DHEA, DHEA sulfate (DHEA-S), insulin-like growth factor-1 (IGF-1), and insulin-like growth factor binding protein-3 (IGFBP-3) levels...
March 20, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28335388/a-combination-of-flaxseed-oil-and-astaxanthin-improves-hepatic-lipid-accumulation-and-reduces-oxidative-stress-in-high-fat-diet-fed-rats
#14
Jiqu Xu, Shuang Rong, Hui Gao, Chang Chen, Wei Yang, Qianchun Deng, Qingde Huang, Lingyun Xiao, Fenghong Huang
Hepatic lipid accumulation and oxidative stress are crucial pathophysiological mechanisms for non-alcoholic fatty liver disease (NAFLD). Thus, we examined the effect of a combination of flaxseed oil (FO) and astaxanthin (ASX) on hepatic lipid accumulation and oxidative stress in rats fed a high-fat diet. ASX was dissolved in flaxseed oil (1 g/kg; FO + ASX). Animals were fed diets containing 20% fat, where the source was lard, or 75% lard and 25% FO + ASX, or 50% lard and 50% FO + ASX, or FO + ASX, for 10 weeks...
March 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28333768/management-of-pediatric-non-alcoholic-fatty-liver-disease-by-academic-hepatologists-in-canada-a-nationwide-survey
#15
Marialena Mouzaki, Simon C Ling, Richard A Schreiber, Binita M Kamath
BACKGROUND: The literature on the optimal clinical management of pediatric patients with non-alcoholic fatty liver disease (NAFLD) is limited. The objective of this study was to identify discrepancies in the care provided to patients with NAFLD by hepatologists practicing in academic centers across Canada. METHODS: A nationwide survey was distributed electronically to all pediatric hepatologists practicing in university-affiliated hospitals using the infrastructure of the Canadian Pediatric Hepatology Research Group...
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28333540/current-state-of-the-art-mri-for-comprehensive-evaluation-of-potential-living-liver-donors
#16
Kartik S Jhaveri, Lijun Guo, Luís Guimarães
OBJECTIVE: This review focuses on the role of state-of-the-art MRI-based techniques for comprehensive evaluation of living donors providing single-visit assessment of the liver vasculature via MR angiography, of the biliary tract via conventional T2-weighted MR cholangiography and T1-weighted gadoxetate disodium-enhanced MR cholangiography, and of hepatic steatosis via T2*-corrected multiecho chemical shift-based water-fat separation MRI and high-speed T2-corrected multiecho MR spectroscopy...
March 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28333098/anti-obesity-and-anti-diabetic-effect-of-neoagarooligosaccharides-on-high-fat-diet-induced-obesity-in-mice
#17
Sun Joo Hong, Je-Hyeon Lee, Eun Joo Kim, Hea Jung Yang, Jae-Seon Park, Soon-Kwang Hong
Neoagarooligosaccharides (NAOs), mainly comprising neoagarotetraose and neoagarohexaose, were prepared by hydrolyzing agar with β-agarase DagA from Streptomyces coelicolor, and the anti-obesity and anti-diabetic effects of NAOs on high-fat diet (HFD)-induced obesity in mice were investigated after NAOs-supplementation for 64 days. Compared to the HFD group, the HFD-0.5 group that was fed with HFD + NAOs (0.5%, w/w) showed remarkable reduction of 36% for body weight gain and 37% for food efficiency ratios without abnormal clinical signs...
March 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28333073/effects-of-melatonin-on-liver-injuries-and-diseases
#18
REVIEW
Jiao-Jiao Zhang, Xiao Meng, Ya Li, Yue Zhou, Dong-Ping Xu, Sha Li, Hua-Bin Li
Liver injuries and diseases are serious health problems worldwide. Various factors, such as chemical pollutants, drugs, and alcohol, could induce liver injuries. Liver diseases involve a wide range of liver pathologies, including hepatic steatosis, fatty liver, hepatitis, fibrosis, cirrhosis, and hepatocarcinoma. Despite all the studies performed up to now, therapy choices for liver injuries and diseases are very few. Therefore, the search for a new treatment that could safely and effectively block or reverse liver injuries and diseases remains a priority...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28331449/cyclin-d1-in-the-liver-role-of-noncanonical-signaling-in-liver-steatosis-and-hormone-regulation
#19
Kelley G Núñez, Janet Gonzalez-Rosario, Paul T Thevenot, Ari J Cohen
BACKGROUND: Cyclin D1 is an important protein for cell cycle progression; however, functions independent of the cell cycle have been described in the liver. Cyclin D1 is also involved in DNA repair, is overexpressed in many cancers, and functions as a proto-oncogene. The lesser-known roles of Cyclin D1, specifically in hepatocytes, impact liver steatosis and hormone regulation in the liver. METHODS: A comprehensive search of PubMed was conducted using the keywords Cyclin D1, steatosis, lipogenesis, and liver transplantation...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28331445/negligible-oval-cell-proliferation-following-ischemia-reperfusion-injury-with-and-without-partial-hepatectomy
#20
Ek Khoon Tan, Maureen Shuh, Heather Francois-Vaughan, Jennifer A Sanders, Ari J Cohen
BACKGROUND: Hepatic oval cells proliferate to replace hepatocytes and restore liver function when hepatocyte proliferation is compromised or inadequate. Exposure to chemical carcinogens, severe liver steatosis, and partial hepatectomy has been used in animal models to demonstrate the role of oval cells in liver regeneration. Ischemia-reperfusion injury (IRI) causes hepatocellular damage and death in the absence of confounding chemical toxicity; however, oval cell induction by IRI has not been demonstrated in vivo...
2017: Ochsner Journal
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