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https://www.readbyqxmd.com/read/28434207/maternal-rates-of-lipolysis-and-glucose-production-in-late-pregnancy-are-independently-related-to-fetal-weight
#1
Barbro Diderholm, Kathryn Beardsall, Peter Murgatroyd, Christoph Lees, Jan Gustafsson, David Dunger
OBJECTIVE: Associations between maternal glucose levels and increased fetal growth are well established and independent relationships with maternal weight, weight gain and insulin resistance are also observed. The relative roles of lipolysis and glucose production in the determination of these observations remain unclear. DESIGN: We examined, through detailed physiological studies, the relationship between maternal late gestational energy substrate production (glucose and glycerol), maternal weight and weight gain, and estimated fetal size in the third trimester...
April 23, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28434145/mtorc1-signaling-in-hepatic-lipid-metabolism
#2
REVIEW
Jinbo Han, Yiguo Wang
The mechanistic target of rapamycin (mTOR) signaling pathway regulates many metabolic and physiological processes in different organs or tissues. Dysregulation of mTOR signaling has been implicated in many human diseases including obesity, diabetes, cancer, fatty liver diseases, and neuronal disorders. Here we review recent progress in understanding how mTORC1 (mTOR complex 1) signaling regulates lipid metabolism in the liver.
April 22, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28434129/phage-displayed-peptides-that-mimic-epitopes-of-hepatitis-e-virus-capsid
#3
Osmany Larralde, Juraj Petrik
Hepatitis E is an emerging zoonotic infection of increasing public health threat for the UK, especially for immunosuppressed individuals. A human recombinant vaccine has been licensed only in China and is not clear whether it protects against hepatitis E virus (HEV) genotype 3, the most prevalent in Europe. The aim of this study was to use phage display technology as a tool to identify peptides that mimic epitopes of HEV capsid (mimotopes). We identified putative linear and conformational mimotopes using sera from Scottish blood donors that have the immunological imprint of past HEV infection...
April 22, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28434128/aspects-on-the-history-of-transmission-and-favor-of-distribution-of-viruses-by-iatrogenic-action-perhaps-an-example-of-a-paradigm-of-the-worldwide-spread-of-hiv
#4
REVIEW
Lutz G Gürtler, Josef Eberle
Transmission of infectious agents might be associated with iatrogenic actions of charitable help in health care. An example is the vaccination against yellow fever in USA that transmitted hepatitis B virus. Another example is injections of praziquantel for treatment and cure of schistosomiasis in Central and Northern Africa, with a focus in Egypt that has spread hepatitis C virus. There is no indication that human T-lymphotropic virus type 1 was spread by injection treatment for African trypanosomiasis, syphilis and treponematosis, but these treatments might have contributed to the early spread of human immunodeficiency virus type 1 (HIV-1) in Central Africa...
April 22, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28434087/hepatitis-b-during-pregnancy-in-endemic-areas-screening-treatment-and-prevention-of-mother-to-child-transmission
#5
Naichaya Chamroonkul, Teerha Piratvisuth
The proper management of pregnant women infected with hepatitis B virus (HBV) is necessary to prevent maternal and fetal morbidity and mortality and to protect the baby from HBV infection. In the majority of cases, vertical transmission can be prevented with a universal screening program, HBV vaccine immunoprophylaxis, and administration of hepatitis B immunoglobulin (HBIg) for babies born to mothers with HBV. However, in mothers with a high viral load (>200,000 or >1,000,000 IU/ml, depending on the guideline), the chance of immunoprophylaxis failure remains high...
April 22, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28434046/oral-arginine-supplementation-protects-female-mice-from-the-onset-of-non-alcoholic-steatohepatitis
#6
Cathrin Sellmann, Christian Degen, Cheng Jun Jin, Anika Nier, Anna Janina Engstler, Dana Hasan Alkhatib, Jean-Pascal De Bandt, Ina Bergheim
Dietary arginine (Arg) supplementation has been proposed to have positive effects on the development of liver diseases. In the present study, we investigate if an oral Arg supplementation in diet protects mice fed a fructose, fat and cholesterol enriched Western-style diet (WSD) from the development of non-alcoholic steatohepatitis (NASH). Female C57BL/6J mice were fed a liquid control diet or a liquid WSD ± Arg (2.49 g/kg body weight/day) for 6 weeks. Indices of liver injury, glucose metabolism and intestinal permeability were determined...
April 22, 2017: Amino Acids
https://www.readbyqxmd.com/read/28433945/cqmuh-011-a-novel-adamantane-sulfonamide-compound-inhibits-lipopolysaccharide-and-d-galactosamine-induced-fulminant-hepatic-failure-in-mice
#7
Liping Yan, Xiangnan Hu, Qihong Wu, Rong Jiang, Sisi Zhang, Qiao Ling, Hailin Liu, Xuejun Jiang, Jingyuan Wan, Yingju Liu
CQMUH-011, a novel adamantane sulfonamide compound, was shown to suppress macrophage activation and proliferation in our previous study. However, it is unknown whether CQMUH-011 has anti-inflammatory and hepatoprotective properties. In this study, we investigated the potential effects and mechanisms of CQMUH-011 on lipopolysaccharide (LPS)-induced RAW264.7 cell activation in vitro and LPS- and D-galactosamine (D-GalN)-induced fulminant hepatic failure (FHF) in vivo. The results showed that in RAW264.7 cells challenged by LPS, CQMUH-011 inhibited cell proliferation and induced cell cycle arrest and apoptosis...
April 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28433925/low-dose-pollutant-mixture-triggers-metabolic-disturbances-in-female-mice-leading-to-common-and-specific-features-as-compared-to-a-high-fat-diet
#8
Emmanuel Labaronne, Claudie Pinteur, Nathalie Vega, Sandra Pesenti, Benoit Julien, Emmanuelle Meugnier-Fouilloux, Hubert Vidal, Danielle Naville, Brigitte Le Magueresse-Battistoni
Environmental pollutants are potential etiologic factors of obesity and diabetes that reach epidemic proportions worldwide. However, it is important to determine if pollutants could exert metabolic defects without directly inducing obesity. The metabolic disturbances triggered in nonobese mice lifelong exposed to a mixture of low-dose pollutants (2,3,7,8-tetrachlorodibenzo-p-dioxine, polychlorinated biphenyl 153, diethylhexyl-phthalate, and bisphenol A) were compared with changes provoked by a high-fat high-sucrose (HFHS) diet not containing the pollutant mixture...
April 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28433893/cytokine-profile-in-chronic-hepatitis-c-an-observation
#9
Dejan Baskic, Vuk R Vukovic, Suzana Popovic, Predrag Djurdjevic, Milan Zaric, Ivana Nikolic, Ivanka Zelen, Marina Mitrovic, Dusko Avramovic, Zeljko Mijailovic
The data addressing cytokine profile in chronically infected HCV patients are conflicting, ranging from Th1 or Th2 cytokine prevalence to the expression of both types of cytokines. Therefore, the aim of this study was to evaluate cytokine profile in these patients. Cytokine sera levels in HCV patients and healthy controls were evaluated using 13plex FlowCytomix Multiplex. Median values of both proinflammatory and anti-inflammatory cytokines were lower in HCV patients then in controls. In addition, the number of subjects producing detectable quantities of cytokines was significantly lower in the group of HCV patients...
April 20, 2017: Cytokine
https://www.readbyqxmd.com/read/28433762/novel-viral-and-host-targets-to-cure-hepatitis-b
#10
REVIEW
Chunkyu Ko, Thomas Michler, Ulrike Protzer
Hepatitis B virus (HBV) infection is a global health threat with 240 million chronic carriers at high risk to develop hepatocellular carcinoma. Current antiviral treatment can efficiently control viral replication and reduce liver inflammation, but is still quite far from achieving a cure. Significant progress has been made in understanding the virus life cycle and virus-host interaction in the past few years. With identification of the HBV receptor, cell-culture infection systems have become available that allow drug screening and establishing a pipeline of potential antivirals targeting either viral or host factors...
April 20, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28433708/toxicological-characterisation-of-two-novel-selective-aryl-hydrocarbon-receptor-modulators-in-sprague-dawley-rats
#11
Selma Mahiout, Jere Lindén, Javier Esteban, Ismael Sánchez-Pérez, Satu Sankari, Lars Pettersson, Helen Håkansson, Raimo Pohjanvirta
The aryl hydrocarbon receptor (AHR) mediates the toxicity of dioxins, but also plays important physiological roles. Selective AHR modulators, which elicit some effects imparted by this receptor without causing the marked toxicity of dioxins, are presently under intense scrutiny. Two novel such compounds are IMA-08401 (N-acetyl-N-phenyl-4-acetoxy-5-chloro-1,2-dihydro-1-methyl-2-oxo-quinoline-3-carboxamide) and IMA-07101 (N-acetyl-N-(4-trifluoromethylphenyl)-4-acetoxy-1,2-dihydro-5-methoxy-1-methyl-2-oxo-quinoline-3-carboxamide)...
April 19, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28433684/activating-transcription-factor-6-dependent-sestrin-2-induction-ameliorates-er-stress-mediated-liver-injury
#12
Kyung Hwan Jegal, Sang Mi Park, Sam Seok Cho, Sung Hui Byun, Sae Kwang Ku, Sang Chan Kim, Sung Hwan Ki, Il Je Cho
Endoplasmic reticulum (ER) stress is characterized by an accumulation of misfolded proteins, and ER stress reduction is essential for maintaining tissue homeostasis. However, the molecular mechanisms that protect cells from ER stress are not completely understood. The present study investigated the role of sestrin 2 (SESN2) on ER stress and sought to elucidate the mechanism responsible for the hepatoprotective effect of SESN2 in vitro and in vivo. Treatment with tunicamycin (Tm) increased SESN2 protein and mRNA levels and reporter gene activity...
April 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28433600/hepatic-arterial-infusion-chemotherapy-for-unresectable-liver-metastases-of-colorectal-cancer-a-multicenter-retrospective-study
#13
REVIEW
Annie Lim, Samuel Le Sourd, Hélène Senellart, Dominique Luet, Frédéric Douane, Christophe Perret, Antoine Bouvier, Sylvie Métairie, Estelle Cauchin, Philippe Rougier, Tamara Matysiak-Budnik, Yann Touchefeu
Hepatic arterial infusion chemotherapy (HAIC) is a treatment used for liver metastases (LM) of colorectal cancer (CRC). Because of its technical conditions, it has been used in only a few experienced centers in France. Our aim was to evaluate its feasibility, efficacy and tolerance in 4 centers. Clinical, biological, and radiological data of patients treated with HAIC for unresectable LM from CRC in 4 institutions from October 2011 to January 2016 were retrospectively analyzed. Sixty-one patients with unresectable LM from CRC were included...
March 14, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28433586/a-comparison-of-hepatic-steatosis-index-controlled-attenuation-parameter-and-ultrasound-as-noninvasive-diagnostic-tools-for-steatosis-in-chronic-hepatitis-b
#14
Liang Xu, Wei Lu, Ping Li, Feng Shen, Yu-Qiang Mi, Jian-Gao Fan
AIMS: To evaluate the value of noninvasive tools for diagnosis of hepatic steatosis in patients with chronic hepatitis B (CHB). METHODS: Consecutive treatment-naïve patients with CHB with body mass index less than 30kg/m(2) who underwent liver biopsy, ultrasound and FibroScan(®) were enrolled. The diagnostic performance of controlled attenuation parameter (CAP), hepatic steatosis index (HSI) and ultrasound for hepatic steatosis compared with liver biopsy was assessed...
March 30, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28433363/the-molecular-impact-of-omega-3-fatty-acids-on-hepatic-pro-inflammatory-cytokine-signaling
#15
George J Ventro, Yingkui Yang, Min Chen, Carroll M Harmon
PURPOSE: Parenteral nutrition associated liver disease (PNALD) develops in a subset of children receiving parenteral nutrition for intestinal failure. Omegaven™ is an omega-3 fatty acid (Ω3FA) lipid emulsion high in docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) that can lessen PNALD. Inflammatory cytokines (IL-1, TNF-α, TGF-β) are elevated in PNALD and can decrease paraoxonase 1 protein expression (PON1). We sought to determine the effect of Omegaven™, EPA, and DHA on inflammatory cytokines TNF-α, IL-1, and TGF-β via ERK1/2 and p-Smad2/3 signaling pathways as well as the changes in intracellular PON1 protein expression as a potential mechanism explaining the protective effects of Omegaven™ and Ω3FA...
March 18, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28433216/implications-of-alternative-hepatorenal-prognostic-scoring-systems-in-acute-heart-failure-from-dose-ahf-and-rose-ahf
#16
Justin L Grodin, Dianne Gallup, Kevin J Anstrom, G Michael Felker, Horng H Chen, W H Wilson Tang
Because hepatic dysfunction is common in patients with heart failure (HF), the Model for End-Stage Liver Disease (MELD) may be attractive for risk stratification. Although alternative scores such as the MELD-XI or MELD-Na may be more appropriate in HF populations, the short-term clinical implications of these in patients with acute heart failure (AHF) are unknown. The MELD-XI and MELD-Na were calculated at baseline in 453 patients with AHF in the DOSE-AHF and ROSE-AHF trials. The correlations and associations for each score with cardiorenal biomarkers, short-term end points at 72 hours including worsening renal function and clinical events to 60 days were determined...
March 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28433114/hepatic-features-of-wilson-disease
#17
Salih Boga, Aftab Ala, Michael L Schilsky
In Wilson disease (WD) defective AT7B function leads to biliary copper excretion and pathologic copper accumulation, particularly in liver and brain, where it induces cellular damage. Liver disease most often precedes neurologic or psychiatric manifestations. In most patients with neurologic or psychiatric symptoms there is some degree of liver disease at the time of disease presentation. Hepatic manifestations of WD can be extremely variable. Patients with clinically asymptomatic WD are often found by family screening or identified on routine laboratory testing...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28433112/wilson-disease-liver-pathology
#18
Maciej Pronicki
The liver in Wilson disease may demonstrate a wide range of damage patterns. Some patients may present almost no detectable microscopic pathology, while others display lesions consistent with fulminant hepatitis or acute liver failure. Most liver biopsy specimens show moderate to severe steatosis, variable degree of portal and/or lobular inflammation, and fibrosis eventually progressing to cirrhosis. Additional findings include liver cell degeneration and ballooning, Mallory hyaline bodies, liver cell necrosis, and glycogenation of periportal hepatocytic nuclei...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28433111/epidemiology-and-introduction-to-the-clinical-presentation-of-wilson-disease
#19
Christine Lo, Oliver Bandmann
Our understanding of the epidemiology of Wilson disease has steadily grown since Sternlieb and Scheinberg's first prevalence estimate of 5 per million individuals in 1968. Increasingly sophisticated genetic techniques have led to revised genetic prevalence estimates of 142 per million. Various population isolates exist where the prevalence of Wilson disease is higher still, the highest being 885 per million from within the mountainous region of Rucar in Romania. In Sardinia, where the prevalence of Wilson disease has been calculated at 370 per million births, six mutations account for around 85% of Wilson disease chromosomes identified...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28433110/animal-models-of-wilson-disease
#20
Valentina Medici, Dominik Huster
Wilson disease (WD) is caused by ATPase copper-transporting beta (ATP7B) mutations and results in copper toxicity in liver and brain. Although the defective gene was identified in 1993, the specific mechanisms underlying copper toxicity and the remarkable phenotypic diversity of the disease are still poorly understood. Animal models harboring defects in the ATP7B homolog have helped to reveal new insights into pathomechanisms of WD. Four rodent models with ATP7B gene defects have been described - the Long-Evans Cinnamon (LEC) rat, inbred mouse models (toxic milk (tx), the Jackson Laboratory toxic milk (tx-j)), and the genetically engineered ATP7B(-/-) (knockout) mouse - all of which develop liver disease to different extents...
2017: Handbook of Clinical Neurology
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