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https://www.readbyqxmd.com/read/28110063/curcumin-ameliorates-liver-damage-and-progression-of-nash-in-nash-hcc-mouse-model-possibly-by-modulating-hmgb1-nf-%C3%AE%C2%BAb-translocation
#1
Rejina Afrin, Somasundaram Arumugam, Azizur Rahman, Mir Imam Ibne Wahed, Vengadeshprabhu Karuppagounder, Meilei Harima, Hiroshi Suzuki, Shizuka Miyashita, Kenji Suzuki, Hiroyuki Yoneyama, Kazuyuki Ueno, Kenichi Watanabe
Curcumin, a phenolic compound, has a wide spectrum of therapeutic effects such as antitumor, anti-inflammatory, anti-cancer and so on. The study aimed to investigate the underlying mechanisms of curcumin to protect liver damage and progression of non-alcoholic steatohepatitis (NASH) in a novel NASH-hepatocellular carcinoma (HCC) mouse model. To induce this model neonatal C57BL/6J male mice were exposed to low-dose streptozotocin and were fed a high-fat diet (HFD) from the age of 4weeks to 14weeks. Curcumin was given at 100mg/kg dose daily by oral gavage started at the age of 10weeks and continued until 14weeks along with HFD feeding...
January 18, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28109892/lipid-oxidation-products-in-the-pathogenesis-of-non-alcoholic-steatohepatitis
#2
REVIEW
Francesco Bellanti, Rosanna Villani, Antonio Facciorusso, Gianluigi Vendemiale, Gaetano Serviddio
Non-alcoholic fatty liver disease (NAFLD) is the major public health challenge for hepatologists in the twenty-first century. NAFLD comprises a histological spectrum ranging from simple steatosis or fatty liver, to steatohepatitis, fibrosis, and cirrhosis. It can be categorized into two principal phenotypes: (1) non-alcoholic fatty liver (NAFL), and (2) non-alcoholic steatohepatitis (NASH). The mechanisms of NAFLD progression consist of lipid homeostasis alterations, redox unbalance, insulin resistance, and inflammation in the liver...
January 18, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28109005/the-mboat7-variant-rs641738-increases-inflammation-and-fibrosis-in-chronic-hepatitis-b
#3
Khaled Thabet, Henry Lik Yuen Chan, Salvatore Petta, Alessandra Mangia, Thomas Berg, Andre Boonstra, Willem P Brouwer, Maria Lorena Abate, Vincent Wai-Sun Wong, Maiiada Nazmy, Janett Fischer, Christopher Liddle, Jacob George, Mohammed Eslam
Chronic hepatitis B (CHB) is characterized by hepatic inflammation that promotes progression to cirrhosis and predisposes to the development of hepatocellular carcinoma (HCC). Subtle inter-individual genetic variation, viral and environmental factors interact to determine the disease progression between individuals. Recently, the rs641738 Membrane Bound O-Acyltransferase Domain Containing 7 (MBOAT7) polymorphism was demonstrated to influence histological liver damage in alcoholic liver disease, nonalcoholic fatty liver disease and hepatitis C, but no data are available for CHB...
January 20, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28108233/murine-cd103-dendritic-cells-protect-against-steatosis-progression-towards-steatohepatitis
#4
Eva-Carina Heier, Anna Meier, Henrike Julich-Haertel, Sonja Djudjaj, Monica Rau, Thomas Tschernig, Andreas Geier, Peter Boor, Frank Lammert, Veronika Lukacs-Kornek
BACKGROUND: Non-alcoholic fatty liver (NAFL) is the hepatic consequence of metabolic syndrome and can progress to non-alcoholic steatohepatitis (NASH). The identification of molecular and cellular factors that determine the progression of NASH and lead to irreversible hepatocellular damage are crucial. Dendritic cells (DCs) represent a heterogeneous cell population among which CD103(+) DCs play a significant role in immunity and tolerance. METHODS: Steatosis progression towards steatohepatitis was analyzed using multicolor FACS analyses, cytokine and qPCR array in high sucrose diet (HSD) and methionine and choline deficient diet (MCD) fed wild-type and Batf3 (Basic Leucine Zipper Transcription Factor, ATF-Like-3) deficient animals, which lack CD103(+) DCs (classical type-1 DC, cDC1s)...
January 17, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28107775/beta-caryophyllene-protects-against-alcoholic-steatohepatitis-by-attenuating-inflammation-and-metabolic-dysregulation-in-mice
#5
Zoltan V Varga, Csaba Matyas, Katalin Erdelyi, Resat Cinar, Daniela Nieri, Andrea Chicca, Balazs Tamas Nemeth, Janos Paloczi, Tamas Lajtos, Lukas Corey, Gyorgy Hasko, Bin Gao, George Kunos, Jürg Gertsch, Pal Pacher
BACKGROUND AND AIMS: Beta-caryophyllene (BCP) is a plant-derived FDA approved food additive with anti-inflammatory properties. Some of its beneficial effects in vivo reported to involve activation of cannabinoid 2 receptors (CB2) that are predominantly expressed in immune cells. Herein, we evaluated the translational potential of BCP using a well-established model of chronic and binge alcohol-induced liver injury. METHODS: In this study we investigated the effects of BCP on liver injury induced by chronic plus binge alcohol feeding in mice in vivo by using biochemical assays, real-time PCR and histology analyses...
January 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28107471/high-serum-lipopolysaccharide-binding-protein-level-in-chronic-hepatitis-c-viral-infection-is-reduced-by-anti-viral-treatments
#6
Hsiao-Ching Nien, Shih-Jer Hsu, Tung-Hung Su, Po-Jen Yang, Jin-Chuan Sheu, Jin-Town Wang, Lu-Ping Chow, Chi-Ling Chen, Jia-Horng Kao, Wei-Shiung Yang
BACKGROUND: Lipopolysaccharide-binding protein (LBP) has been reported to associate with metabolic diseases, such as obesity, diabetes, and non-alcoholic fatty liver disease. Since chronic hepatitis C virus (HCV) infection is associated with metabolic derangements, the relationship between LBP and HCV deserves additional studies. This study aimed to determine the serum LBP level in subjects with or without HCV infection and investigate the change of its level after anti-viral treatments with or without interferon...
2017: PloS One
https://www.readbyqxmd.com/read/28104990/sitagliptin-in-patients-with-non-alcoholic-steatohepatitis-a-randomized-placebo-controlled-trial
#7
Tisha R Joy, Charles A McKenzie, Rommel G Tirona, Kelly Summers, Shannon Seney, Subrata Chakrabarti, Neel Malhotra, Melanie D Beaton
AIM: To evaluate the effect of sitagliptin vs placebo on histologic and non-histologic parameters of non-alcoholic steatohepatitis (NASH). METHODS: Twelve patients with biopsy-proven NASH were randomized to sitagliptin (100 mg daily) (n = 6) or placebo (n = 6) for 24 wk. The primary outcome was improvement in liver fibrosis after 24 wk. Secondary outcomes included evaluation of changes in NAFLD activity score (NAS), individual components of NAS (hepatocyte ballooning, lobular inflammation, and steatosis), glycemic control and insulin resistance [including measurements of glycated hemoglobin (HbA1C) and adipocytokines], lipid profile including free fatty acids, adipose distribution measured using magnetic resonance imaging (MRI), and thrombosis markers (platelet aggregation and plasminogen activator inhibitor 1 levels)...
January 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28104973/unusual-case-of-an-alcoholic-with-liver-injury-from-sulfasalazine-use
#8
Umair Masood, Anuj Sharma, Sonny Nijjar, Barbara Krenzer
A 57-year-old male with a history of alcoholism presented to the emergency room with abdominal pain, jaundice, transaminitis, and hyperbilirubinemia. Due to the history of alcoholism, it was initially presumed that the patient had alcoholic hepatitis but further investigation revealed that he was recently started on sulfasalazine for the treatment of rheumatoid arthritis. Upon cessation of the drug, the patient's liver function tests significantly improved over a few days and eventually normalized within weeks...
December 2016: Journal of Basic and Clinical Pharmacy
https://www.readbyqxmd.com/read/28103293/synergistic-interaction-of-light-alcohol-administration-in-the-presence-of-mild-iron-overload-in-a-mouse-model-of-liver-injury-involvement-of-triosephosphate-isomerase-nitration-and-inactivation
#9
Wanxia Gao, Jie Zhao, Zhonghong Gao, Hailing Li
It is well known that iron overload promotes alcoholic liver injury, but the doses of iron or alcohol used in studies are usually able to induce liver injury independently. Little attention has been paid to the coexistence of low alcohol consumption and mild iron overload when either of them is insufficient to cause obvious liver damage, although this situation is very common among some people. We studied the interactive effects and the underlining mechanism of mild doses of iron and alcohol on liver injury in a mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/28101773/what-is-the-appropriate-strategy-for-diagnosing-nafld-using-ultrasonography-in-obese-children
#10
Jee Hyun Lee, Su Jin Jeong
BACKGROUND: The aim of this study is to identify obese children who are candidates for a potential diagnosis of non-alcoholic fatty liver disease (NAFLD). METHODS: We enrolled 242 obese children (122 boys and 120 girls) aged 7-16 years who were examined with abdominal ultrasonography in our pediatric obesity clinic. We compared patients in the normal group with those in the NAFLD group (mild disease, moderate to severe disease) and identified the optimal anthropometric parameters among height, weight, body mass index (BMI), waist circumference, hip circumference, waist to height ratio (WHtR), and waist to hip ratio to predict NAFLD using a receiver operating characteristic curve analysis...
January 19, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28100196/exposure-to-hepatitis-c-virus-in-homeless-men-in-central-brazil-a-cross-sectional-study
#11
Priscilla Martins Ferreira, Rafael Alves Guimarães, Christiane Moreira Souza, Lara Cristina da Cunha Guimarães, Cleiciane Vieira de Lima Barros, Karlla Antonieta Amorim Caetano, Giovanni Rezza, Lila Spadoni, Sandra Maria Brunini
BACKGROUND: Homeless men are highly vulnerable to acquisition of the hepatitis C virus (HCV) compared to the general population. In Brazil, a country of continental dimensions, the extent of HCV infection in this population remains unknown. The objective of this study is to investigate the epidemiological profile of exposure to HCV in homeless men in Central Brazil. METHODS: A Cross-sectional study was conducted in 481 men aged over 18 years attending therapeutic communities specialized in the recovery and reintegration of homeless people...
January 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28098910/hydrogen-rich-saline-improves-non%C3%A2-alcoholic-fatty-liver-disease-by-alleviating-oxidative-stress-and-activating-hepatic-ppar%C3%AE-and-ppar%C3%AE
#12
Xiao Zhai, Xiao Chen, Jiancan Lu, Yaping Zhang, Xuejun Sun, Qin Huang, Qijin Wang
Non-alcoholic fatty liver disease (NAFLD) comprises a range of liver diseases, between steatosis and non‑alcoholic steatohepatitis and liver cirrhosis, which are closely associated with diabetes mellitus. Previous studies have indicated that oxidative stress is a key factor in the development of NAFLD. Molecular hydrogen (H2) may ameliorate oxidative stress injuries by selectively neutralizing peroxynitrite and hydroxyl radicals. The present study evaluated the effects of H2 on NAFLD in rats and concluded that H2‑rich saline had significant therapeutic effects on NAFLD induced by hyperglycemia and hyperlipidemia, as demonstrated by hematoxylin and eosin and terminal deoxynucleotidyl-transferase‑mediated dUTP nick end labeling staining...
January 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28097097/mir-29a-promotes-lipid-droplet-and-triglyceride-formation-in-hcv-infection-by-inducing-expression-of-srebp-1c-and-cav1
#13
Mennatallah Mamdouh Mahdy, Nada Magdy El-Ekiaby, Rana Mahmoud Hashish, Radwa Ayman Salah, Rasha Sayed Hanafi, Hassan Mohamed El-Said Azzazy, Ahmed Ihab Abdelaziz
Aims: To examine the regulation of SREBP-1c and CAV1 by microRNA-29a (miR-29a) in cells infected with hepatitis C virus (HCV) in an attempt to control HCV-induced non-alcoholic fatty liver disease. Methods: In order to examine the manipulation of SREBP-1c and CAV1 by miR-29a, oleic acid (OA)-treated JFH-I-infected Huh-7 cells were used. OA was added 24 h post-transfection and gene expression was investigated by qRT-PCR at 48 h post treatment. The functional impact of the observed alteration in SREBP-1c and CAV1 expression was analyzed by examining lipid droplet (LD) and triglyceride (TG) content at 72 h post-OA treatment using light microscopy and spectrophotometry, respectively...
December 28, 2016: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28097068/hepatic-fibrosis-and-factors-associated-with-liver-stiffness-in-hiv-mono-infected-individuals
#14
Mihály Sulyok, Tamás Ferenci, Mihály Makara, Gábor Horváth, János Szlávik, Zsófia Rupnik, Luca Kormos, Zsuzsanna Gerlei, Zita Sulyok, István Vályi-Nagy
BACKGROUND: Liver disease has become an important cause of morbidity and mortality even in those HIV-infected individuals who are devoid of hepatitis virus co-infection. The aim of this study was to evaluate the degree of hepatic fibrosis and the role of associated factors using liver stiffness measurement in HIV mono-infected patients without significant alcohol intake. METHODS: We performed a cross-sectional study of 101 HIV mono-infected patients recruited prospectively from March 1, 2014 to October 30, 2014 at the Center for HIV, St István and St László Hospital, Budapest, Hungary...
2017: PeerJ
https://www.readbyqxmd.com/read/28096540/alcoholic-liver-disease-alcoholic-hepatitis-a-warning-for-prednisolone-and-infection-risk
#15
Katrina Ray
No abstract text is available yet for this article.
January 18, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28095641/melatonin-ameliorates-alcohol-induced-bile-acid-synthesis-by-enhancing-mir-497-expression
#16
Yong Deuk Kim, Seung-Lark Hwang, Eun-Joo Lee, Hyeong-Mi Kim, Myung-Jin Chung, Ahmed K Elfadl, Sung-Eun Lee, Balachandar Nedumaran, Robert A Harris, Kyu-Shik Jeong
Alcoholic liver disease is a major cause of chronic liver disease worldwide and cannabinoid receptor type 1 (CB1R) is involved in a diverse metabolic diseases. B-cell translocation gene 2 (BTG2) and yin yang 1 (YY1) are a potent regulator of biological conditions. Melatonin plays a crucial role in regulating diverse physiological functions and metabolic homeostasis. MicroRNAs are key regulators of various biological processes. Herein, we demonstrate that melatonin improves bile acid synthesis in the liver of alcohol-fed mice by controlling miR-497 expression...
January 17, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28092655/circadian-and-upr-dependent-control-of-cpeb4-mediates-a-translational-response-to-counteract-hepatic-steatosis-under-er-stress
#17
Carlos Maillo, Judit Martín, David Sebastián, Maribel Hernández-Alvarez, Mar García-Rocha, Oscar Reina, Antonio Zorzano, Mercedes Fernandez, Raúl Méndez
The cytoplasmic polyadenylation element-binding (CPEB) proteins regulate pre-mRNA processing and translation of CPE-containing mRNAs in early embryonic development and synaptic activity. However, specific functions in adult organisms are poorly understood. Here we show that CPEB4 is required for adaptation to high-fat-diet- and ageing-induced endoplasmic reticulum (ER) stress, and subsequent hepatosteatosis. Stress-activated liver CPEB4 expression is dual-mode regulated. First, Cpeb4 mRNA transcription is controlled by the circadian clock, and then its translation is regulated by the unfolded protein response (UPR) through upstream open reading frames within the 5'UTR...
January 16, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28090670/an-endoplasmic-reticulum-protein-nogo-b-facilitates-alcoholic-liver-disease-through-regulation-of-kupffer-cell-polarization
#18
Jin-Kyu Park, Mingjie Shao, Moon Young Kim, Soon Koo Baik, Mee Yon Cho, Teruo Utsumi, Ayano Satoh, Xinsho Ouyang, Chuhan Chung, Yasuko Iwakiri
Background Nogo-B (Reticulon 4B) is an endoplasmic reticulum (ER) resident protein that regulates ER structure and function. Since ER stress is known to induce M2 macrophage polarization, we examined whether Nogo-B regulates M1/M2 polarization of Kupffer cells and alters the pathogenesis of alcoholic liver disease (ALD). Methods M1 and M2 phenotypes were assessed in relation to Nogo-B expression and disease severity in liver specimens from ALD patients (NCT01875211). Liver specimens from wild-type (WT) and Nogo-B knockout (KO) mice fed control or Lieber-DeCarli ethanol liquid diet (5% ethanol) for 6 weeks were analyzed for liver injury and steatosis...
January 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28089901/over-expression-of-proteins-that-alter-the-intracellular-signaling-pathways-in-the-cytoplasm-of-the-liver-cells-forming-mallory-denk-bodies
#19
N Afifiyan, B Tillman, B A French, M Masouminia, S Samadzadeh, S W French
In this study, liver biopsy sections fixed in formalin and embedded in paraffin (FFPE) from patients with alcoholic hepatitis (AH) were used. The results showed that the expression of the SYK protein was up regulated by RNA-seq and real time PCR analyses in the alcoholic hepatitis patients compared to controls. The results were supported by using the IHC fluorescent antibody staining intensity morphometric quantitation. Morphometric quantification of fluorescent intensity measurement showed a two fold increase in SYK protein in the cytoplasm of the cells forming MDBs compared to surrounding normal hepatocytes...
January 13, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28089623/which-treatment-for-type-2-diabetes-associated-with-non-alcoholic-fatty-liver-disease
#20
REVIEW
Arianna Mazzotti, Maria Turchese Caletti, Francesca Marchignoli, Giulia Forlani, Giulio Marchesini
Type 2 diabetes (T2DM) and nonalcoholic fatty liver disease (NAFLD) are highly prevalent in the community, and share common pathogenic mechanisms. There is also evidence that T2DM may be favored by hepatic fat accumulation; in turn the presence of T2DM is a risk factor for liver disease progression. The treatment of T2DM has considerably changed in the past few years; new drug classes, promoting glucose-lowering through mechanisms different from classical insulin-sensitizing or insulin-secreting action, have been added to continuing lifestyle intervention...
December 30, 2016: Digestive and Liver Disease
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