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https://www.readbyqxmd.com/read/29782950/geographic-range-expansion-of-tetrodotoxin-in-amphibians-first-record-in-atelopus-hoogmoedi-from-the-guiana-shield
#1
Dietrich Mebs, Max Lorentz, Mari Yotsu-Yamashita, Daniela C Rößler, Raffael Ernst, Stefan Lötters
For the first time, alcohol extracts of Atelopus hoogmoedi from the Guiana Shield in Suriname and Guyana were analyzed for the presence of tetrodotoxin (TTX) and of its analogues by high resolution hydrophobic interaction liquid chromatography/mass spectrometry. One specimen from Suriname was found to contain TTX and 4-epiTTX. Using a monoclonal antibody-based immunohistochemical staining technique, TTX was localized mainly in the granular glands and epithelium of the skin, but not in internal organs except liver showing weak TTX-positive reaction...
May 18, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29782848/impaired-tfeb-mediated-lysosome-biogenesis-and-autophagy-promote-chronic-ethanol-induced-liver-injury-and-steatosis-in-mice
#2
Xiaojuan Chao, Shaogui Wang, Katrina Zhao, Yuan Li, Jessica A Williams, Tiangang Li, Hemantkumar Chavan, Partha Krishnamurthy, Xi C He, Linheng Li, Andrea Ballabio, Hong-Min Ni, Wen-Xing Ding
BACKGROUND & AIMS: Defects in lysosome function and autophagy contribute to pathogenesis of alcoholic liver disease. We investigated the mechanisms by which alcohol consumption affects these processes, evaluating the functions transcription factor EB (TFEB), which regulates lysosomal biogenesis. METHODS: We performed studies with GFP-LC3 mice, mice with liver-specific deletion of transcription factor EB (TFEB), mice with disruption of the transcription factor E3 gene (TFE3-knockout mice), mice with disruption of the Tefb and Tfe3 genes (TFEB, TFE3 double-knockout mice), and Tfebflox/flox albumin cre-negative mice (controls)...
May 18, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29781336/advances-in-the-treatment-of-severe-alcoholic-hepatitis
#3
Wenjun Wang, Ying Xu, Chang Jiang, Yanhang Gao
Severe alcoholic hepatitis (SAH) is a costly and worldwide public health issue with high morbidity and mortality. Specific effective treatments for SAH have yet to be established. The aim of the present article is to review the current knowledge of the pathogenesis, assessment, and treatment options in patients with SAH. To date, alcohol abstinence and enteral nutrition are the recommended first-line treatments. Although corticosteroids remain the preferred therapy for certain patients with a modified Maddrey discriminant function level greater than 54, they only improve short-term survival rates...
May 21, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29781162/predictors-of-ultrasound-failure-to-detect-hepatocellular-carcinoma
#4
Mariya L Samoylova, Neil Mehta, John P Roberts, Francis Y Yao
Current guidelines recommend ultrasound (US) for hepatocellular carcinoma (HCC) surveillance in cirrhosis. We assess predictors of decreased US sensitivity for detecting HCC. At a single U.S. center, all HCC patients evaluated for liver transplant (LT) receive an abdominal US. In consecutive patients presenting 2007-2015, untreated lesions found on CT/MRI within 3 months of US were compared with US findings. Multivariable logistic regression models compared US sensitivities by patient characteristics. Of 1008 patients completing LT evaluation, 47...
May 21, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29780857/multi-omic-network-based-interrogation-of-rat-liver-metabolism-following-gastric-bypass-surgery-featuring-swath-proteomics
#5
Gautham Vivek Sridharan, Matthew D'Alessandro, Shyam Sundhar Bale, Vicky Bhagat, Hugo Gagnon, John M Asara, Korkut Uygun, Martin L Yarmush, Nima Saeidi
Morbidly obese patients often elect for Roux-en-Y gastric bypass (RYGB), a form of bariatric surgery that triggers a remarkable 30% reduction in excess body weight and reversal of insulin resistance for those who are type II diabetic. A more complete understanding of the underlying molecular mechanisms that drive the complex metabolic reprogramming post-RYGB could lead to innovative non-invasive therapeutics that mimic the beneficial effects of the surgery, namely weight loss, achievement of glycemic control, or reversal of non-alcoholic steatohepatitis (NASH)...
September 2017: Technology
https://www.readbyqxmd.com/read/29780579/managing-portal-hypertension-in-patients-with-liver-cirrhosis
#6
REVIEW
Tilman Sauerbruch, Robert Schierwagen, Jonel Trebicka
Portal hypertension is one cause and a part of a dynamic process triggered by chronic liver disease, mostly induced by alcohol or incorrect nutrition and less often by viral infections and autoimmune or genetic disease. Adequate staging - continuously modified by current knowledge - should guide the prevention and treatment of portal hypertension with defined endpoints. The main goals are interruption of etiology and prevention of complications followed, if necessary, by treatment of these. For the past few decades, shunts, mostly as intrahepatic stent bypass between portal and hepatic vein branches, have played an important role in the prevention of recurrent bleeding and ascites formation, although their impact on survival remains ambiguous...
2018: F1000Research
https://www.readbyqxmd.com/read/29780107/low-urine-ph-is-associated-with-non-alcoholic-fatty-liver-disease-a-community-based-cross-sectional-study
#7
Teruki Miyake, Sakiko Yoshida, Shin Yamamoto, Shinya Furukawa, Osamu Yoshida, Sayaka Kanzaki, Hidenori Senba, Toru Ishihara, Mitsuhito Koizumi, Yoshio Tokumoto, Masashi Hirooka, Teru Kumagi, Masanori Abe, Kohichiro Kitai, Bunzo Matsuura, Yoichi Hiasa
Background Low urine pH is associated with several metabolic diseases, such as dyslipidemia, diabetes, and metabolic syndrome. However, the association between low urine pH and non-alcoholic fatty liver disease (NAFLD) remains unknown. Therefore, we conducted a community-based cross-sectional study to investigate this association. Methods Between April 2013 and March 2014, the records of 4,945 Japanese subjects who had undergone annual health checkups were reviewed to identify subjects who met the diagnostic criteria for NAFLD...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29779728/association-between-aldehyde-dehydrogenase-2-glu504lys-polymorphism-and-alcoholic-liver-disease
#8
Binxia Chang, Shuli Hao, Longyu Zhang, Miaomiao Gao, Ying Sun, Ang Huang, Guangju Teng, Baosen Li, David W Crabb, Praveen Kusumanchi, Li Wang, Suthat Liangpunsakul, Zhengsheng Zou
BACKGROUND: Only a subset of patients with excessive alcohol use develop alcoholic liver disease (ALD), though the exact mechanism is not completely understood. Once ingested, alcohol is metabolized by 2 key oxidative enzymes, alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH). There are 2 major ALDH isoforms, cytosolic and mitochondrial, encoded by the aldehyde ALDH1 and ALDH2 genes, respectively. The ALDH2 gene was hypothesized to alter genetic susceptibility to alcohol dependence and alcohol-induced liver diseases...
March 20, 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29779210/the-association-between-missing-teeth-and-non-alcoholic-fatty-liver-disease-in-adults
#9
Feng Qiao, Kaiyu Fu, Qing Zhang, Li Liu, Ge Meng, Hongmei Wu, Yang Xia, Xue Bao, Yeqing Gu, Hongbin Shi, Shaomei Sun, Xing Wang, Ming Zhou, Qiyu Jia, Kun Song, Kaijun Niu
AIMS: Long-term oral chronic inflammatory process is closely related to systemic inflammation, which is a main mechanism involved in non-alcoholic fatty liver disease (NAFLD). Tooth loss could reflect the accumulation of oral local inflammation, implying that number of missing teeth may associate with NAFLD. This study evaluated the association between missing teeth and presence of NAFLD in a general population. MATERIALS AND METHODS: A cross-sectional study of 24,470 adults was carried out from the Tianjin Chronic Low-grade Systemic Inflammation and Health Cohort Study...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29779170/histological-improvement-of-non-alcoholic-steatohepatitis-with-a-prebiotic-a-pilot-clinical-trial
#10
Marc R Bomhof, Jill A Parnell, Hena R Ramay, Pam Crotty, Kevin P Rioux, Chris S Probert, Saumya Jayakumar, Maitreyi Raman, Raylene A Reimer
PURPOSE: In obesity and diabetes the liver is highly susceptible to abnormal uptake and storage of fat. In certain individuals hepatic steatosis predisposes to the development of non-alcoholic steatohepatitis (NASH), a disease marked by hepatic inflammation and fibrosis. Although the precise pathophysiology of NASH is unknown, it is believed that the gut microbiota-liver axis influences the development of this disease. With few treatment strategies available for NASH, exploration of gut microbiota-targeted interventions is warranted...
May 19, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29778771/do-serum-markers-of-liver-fibrosis-vary-by-hcv-infection-in-patients-with-alcohol-use-disorder
#11
Arantza Sanvisens, Alvaro Muñoz, Ferran Bolao, Paola Zuluaga, Magí Farré, Inmaculada Jarrin, Jordi Tor, Roberto Muga
INTRODUCTION: HCV infection is frequent in patients with alcohol use disorder (AUD). Ethanol and hepatitis C have a synergistic effect that increases the risk of end-stage liver disease. We aimed to assess fibrosis of the liver in patients admitted to treatment of AUD. METHODS: Data were collected in two hospital units between 2000 and 2014. Liver fibrosis was assessed by serum biomarkers APRI, FIB-4 and Forns, and Advanced Liver Fibrosis (ALF) was defined if APRI > 1...
May 16, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29778532/non-alcoholic-fatty-liver-disease-insights-from-sphingolipidomics
#12
David J Montefusco, Jeremy C Allegood, Sarah Spiegel, L Ashley Cowart
Non-alcoholic fatty liver disease (NAFLD) is a major clinical concern and its treatment consumes abundant resources. While accumulation of lipids in hepatocytes initiates the disease, this in itself is not necessarily harmful; rather, initiation of inflammation and subsequent fibrosis and cirrhosis are critical steps in NAFLD pathology. Mechanisms linking lipid overload to downstream disease progression are not fully understood; however, bioactive lipid metabolism may underlie instigation of proinflammatory signaling...
May 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29778128/the-relationship-between-glycaemic-control-and-non-alcoholic-fatty-liver-disease-in-nigerian-type-2-diabetic-patients
#13
Babalola Ishmael Afolabi, Bolanle Olubunmi Ibitoye, Rosemary Temidayo Ikem, Adeleye Dorcas Omisore, Bukunmi Michael Idowu, David Olubukunmi Soyoye
BACKGROUND: Metabolic risk factors associated with non-alcoholic fatty liver disease (NAFLD) include Type 2 diabetes mellitus (T2DM), obesity and dyslipidaemia. Prevention or management of these risk factors with glycaemic control, weight reduction and low serum lipid levels respectively have been reported to reduce the risk of NAFLD or slow its progression. Since ultrasound (USS) is a safe and reliable method of identifying fatty changes in the liver, this study was done to determine the relationship between glycaemic control and ultrasound diagnosed NAFLD in T2DM...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29777749/burden-of-liver-disease-in-europe-epidemiology-and-analysis-of-risk-factors-to-identify-prevention-policies
#14
REVIEW
Laura Pimpin, Helena Cortez-Pinto, Francesco Negro, Emily Corbould, Jeffrey V Lazarus, Laura Webber, Nick Sheron
BACKGROUND & AIMS: The burden of liver disease in Europe continues to grow. We aimed to describe the epidemiology of liver diseases and their risk factors in European countries, and identify public health interventions that could impact on these risk factors to reduce the burden of liver disease. METHODS: As part of the HEPAHEALTH project, commissioned by EASL, we extracted information on historical and current prevalence and mortality from national and international literature and databases on liver disease in 35 countries in the WHO European region, as well as historical and recent prevalence data on their main determinants; alcohol consumption, obesity and hepatitis B and C virus infections...
May 16, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29775890/triterpenic-acids-enriched-fraction-from-cyclocarya-paliurus-attenuates-non-alcoholic-fatty-liver-disease-via-improving-oxidative-stress-and-mitochondrial-dysfunction
#15
Meng-Ge Zhao, Xue-Ping Sheng, Ya-Ping Huang, Yi-Ting Wang, Cui-Hua Jiang, Jian Zhang, Zhi-Qi Yin
The effects of triterpenic acids-enriched fraction from Cyclocarya paliurus (CPT) on nonalcoholic fatty liver disease (NAFLD) were investigated using in vivo and in vitro models. In high fat diet-induced Wister rats, CPT significantly increased superoxide dismutase (SOD) activity and glutathione/oxidized glutathione (GSH/GSSG) ratio, reduced malondialdehyde (MDA) and protein carbonyl (PCO) levels. Moreover, CPT restored mitochondrial membrane potential dysfunction, decreased cytochrome P450 enzyme 2E1 (CYP2E1) activity, improved nuclear factor erythroid 2-related factor 2 (Nrf2) and Nrf2-mediated antioxidant enzyme heme oxygenase1 (HO-1) expression...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29774570/high-mobility-group-box-1-drives-fibrosis-progression-signaling-via-the-receptor-for-advanced-glycation-end-products-in-mice
#16
Xiaodong Ge, Elena Arriazu, Fernando Magdaleno, Daniel J Antoine, Rouchelle Dela Cruz, Neil Theise, Natalia Nieto
BACKGROUND & RATIONALE: High-mobility group box-1 (HMGB1) is a damage-associated molecular pattern (DAMP) increased in response to liver injury. Since HMGB1 is a ligand for the receptor for advanced glycation end-products (RAGE), we hypothesized that induction of HMGB1 could participate in the pathogenesis of liver fibrosis via RAGE cell-specific signaling mechanisms. RESULTS: liver HMGB1 protein expression correlated with fibrosis stage in patients with chronic Hepatitis C virus (HCV) infection, primary biliary cirrhosis (PBC) and alcoholic steatohepatitis (ASH)...
May 18, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29774155/is-de-novo-hepatocellular-carcinoma-after-transjugular-intrahepatic-portosystemic-shunt-increased
#17
A Hüsing-Kabar, T Meister, M Köhler, W Domschke, I Kabar, C Wilms, B Hild, H H Schmidt, H S Heinzow
Background: Portal hypertension is a major complication of liver cirrhosis. Transjugular intrahepatic portosystemic shunt is effective in treatment of portal hypertension. However, decreased parenchymal portal venous flow after transjugular intrahepatic portosystemic shunt insertion favours ischaemic liver injury which has been discussed to induce hepatocarcinogenesis causing hepatocellular cancer. Aim: This study aimed to explore the association between transjugular intrahepatic portosystemic shunt placement and the development of hepatocellular cancer...
April 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29773783/cholesteryl-ester-storage-disease-fatal-outcome-without-causal-therapy-in-a-female-patient-with-the-preventable-sequelae-of-progressive-liver-disease-after-many-years-of-mild-symptoms
#18
Ali Canbay, Meike N Müller, Stathis Philippou, Guido Gerken, Andreas Tromm
BACKGROUND Cholesteryl ester storage disease (CESD), also known as lysosomal acid lipase deficiency (LAL-D), is a rare autosomal-recessive inheritable lysosomal storage disease. Since 2015, a causal treatment with sebelipase alfa, which replaces the missing LAL enzyme, has been approved. We report a fatal course of LAL-D in a female patient. CASE REPORT In 1979, CESD was first diagnosed in a 13-year-old female with marked hepatomegaly. At that time, no specific treatment for CESD was available and the spontaneous course of the disease had to be awaited...
May 18, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29773779/prospects-for-us-cuba-cooperation-in-gastroenterology-hepatology-and-liver-transplantation
#19
Marlen I Castellanos-Fernández, Mirtha Infante-Velázquez, Enrique Arús-Soler, Marcelo Kugelmas, Ramón Bataller, Ramón Villamil-Martínez, Zaily Dorta-Guridi, Caridad Ruenes-Domenech
Gastroenterology, hepatology and liver transplant exchanges between the USA and Cuba have mainly consisted of scientific events and short visits. This has facilitated Cuba's inclusion in recognized scientific organizations, familiarity with Cuba's biotech products for treatment of liver disease, and access by Cuban professionals to the highest level of scientific information for clinical practice. It has also given health professionals in the US a more accurate picture of Cuba's health sector. The results of the Global Alcoholic Liver Disease Survey, which included Cuba and was designed and coordinated in the USA, opened doors to joint research and scientific publications...
April 2018: MEDICC Review
https://www.readbyqxmd.com/read/29773419/a-changing-etiologic-scenario-in-liver-transplantation-for-hepatocellular-carcinoma-in-a-multicenter-cohort-study-from-latin-america
#20
Federico Piñero, Paulo Costa, Yuri Longatto Boteon, Sergio Hoyos Duque, Sebastian Marciano, Margarita Anders, Adriana Varón, Alina Zerega, Jaime Poniachik, Alejandro Soza, Martín Padilla Machaca, Josemaría Menéndez, Rodrigo Zapata, Mario Vilatoba, Linda Muñoz, Martín Maraschio, Luis G Podestá, Lucas McCormack, Adrian Gadano, Ilka S F Fatima Boin, Parente García, Marcelo Silva
BACKGROUND AND AIM: Non-alcoholic fatty liver disease (NAFLD) is an increasing cause of hepatocellular carcinoma (HCC) and liver transplantation (LT). Our study focused on changing trends of liver related HCC etiologies during the last years in Latin America. METHODS: From a cohort of 2761 consecutive adult LT patients between 2005 and 2012 in 17 different centers, 435 with HCC were included. Different periods including years 2005-2006, 2007-2008, 2009-2010 and 2011-2012 were considered...
May 14, 2018: Clinics and Research in Hepatology and Gastroenterology
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