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https://www.readbyqxmd.com/read/28351093/angptl8-betatrophin-is-expressed-in-visceral-adipose-tissue-and-relates-to-human-hepatic-steatosis-in-two-independent-clinical-collectives
#1
Christian von Loeffelholz, Andreas F H Pfeiffer, Johan F Lock, Steffi Lieske, Stephanie Döcke, Veronica Murahovschi, Jennifer Kriebel, Tonia de Las Heras Gala, Harald Grallert, Natalia Rudovich, Martin Stockmann, Joachim Spranger, Gerhard Jahreis, Stefan R Bornstein, George Lau, Aimin Xu, Jeanette Schulz-Menger, Louisa Exner, Sven Haufe, Jens Jordan, Stefan Engeli, Andreas L Birkenfeld
Angiopoietin-like protein 8 (ANGPTL8)/betatrophin expression in visceral adipose tissue and associations with circulating fatty acid profile have not yet been investigated.Forty subjects were included in a cross-sectional study, 57 in a dietary weight reduction intervention. Circulating Angiopoietin-like protein 8/betatrophin was measured in all subjects. Liver and adipose tissue were sampled and plasma fatty acids and tissue Angiopoietin-like protein 8/betatrophin expression were evaluated in the cross-sectional study...
March 28, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28350976/neuroendocrine-tumor-of-the-common-bile-duct-case-report
#2
C Raspanti, N Falco, V Silvestri, G Rotolo, S Bonventre, G Gulotta
Neuroendocrine tumors (NET) are a very heterogeneous group of neoplasms; in recent years we have seen an increase in their incidence (3.65 /100.000/year). They can be associated with hereditary endocrine syndromes (MEN, Von Hippel Lindau); they can occur at any age and the incidence is slightly higher in men than women. The aetiology of the neuroendocrine tumors is unclear; in most cases, inflammation of the bile ducts may be the underlying cause and for this reason, the initial patient's evaluation should be focused on the different aspects concerning the oncological one and the possible sequelae of the biliary obstructions that can evolve in biliary sepsis...
November 2016: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28350873/on-treatment-hbv-dna-dynamics-predict-virological-breakthrough-in-entecavir-treated-hbeag-positive-chronic-hepatitis-b
#3
Yi-Jie Huang, Chi-Sen Chang, Yen-Chun Peng, Hong-Zen Yeh, Sheng-Shun Yang
BACKGROUND & AIMS: Virological breakthrough (VBT) could be a manifestation of chronic hepatitis B (CHB) in patients treated with long-term nucleot(s)ide analogues. We aimed to determine the association of on-treatment serum hepatitis B virus (HBV) DNA with VBT in HBeAg-positive CHB patients receiving entecavir (ETV) treatment. METHODS: A retrospective cohort study, including 162 consecutive patients (95 men and 67 women; mean age, 43.1±13.4 years) with HBeAg-positive CHB treated with ETV for at least 48 weeks between August 2008 and May 2015, was conducted...
2017: PloS One
https://www.readbyqxmd.com/read/28350851/alcohol-related-changes-in-the-intestinal-microbiome-influence-neutrophil-infiltration-inflammation-and-steatosis-in-early-alcoholic-hepatitis-in-mice
#4
Patrick P Lowe, Benedek Gyongyosi, Abhishek Satishchandran, Arvin Iracheta-Vellve, Aditya Ambade, Karen Kodys, Donna Catalano, Doyle V Ward, Gyongyi Szabo
BACKGROUND: Alcohol-induced intestinal dysbiosis disrupts homeostatic gut-liver axis function and is essential in the development of alcoholic liver disease. Here, we investigate changes in enteric microbiome composition in a model of early alcoholic steatohepatitis and dissect the pathogenic role of intestinal microbes in alcohol-induced liver pathology. MATERIALS AND METHODS: Wild type mice received a 10-day diet that was either 5% alcohol-containing or an isocaloric control diet plus a single binge...
2017: PloS One
https://www.readbyqxmd.com/read/28350814/compensatory-changes-in-cyp-expression-in-three-different-toxicology-mouse-models-car-null-cyp3a-null-and-cyp2b9-10-13-null-mice
#5
Ramiya Kumar, Linda C Mota, Elizabeth J Litoff, John P Rooney, W Tyler Boswell, Elliott Courter, Charles M Henderson, Juan P Hernandez, J Christopher Corton, David D Moore, William S Baldwin
Targeted mutant models are common in mechanistic toxicology experiments investigating the absorption, metabolism, distribution, or elimination (ADME) of chemicals from individuals. Key models include those for xenosensing transcription factors and cytochrome P450s (CYP). Here we investigated changes in transcript levels, protein expression, and steroid hydroxylation of several xenobiotic detoxifying CYPs in constitutive androstane receptor (CAR)-null and two CYP-null mouse models that have subfamily members regulated by CAR; the Cyp3a-null and a newly described Cyp2b9/10/13-null mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/28350813/role-of-p63-and-p73-isoforms-on-the-cell-death-in-patients-with-hepatocellular-carcinoma-submitted-to-orthotopic-liver-transplantation
#6
Raúl González, Ángel J De la Rosa, Alessandro Rufini, María A Rodríguez-Hernández, Elena Navarro-Villarán, Trinidad Marchal, Sheila Pereira, Manuel De la Mata, Martina Müller-Schilling, Juan M Pascasio-Acevedo, María T Ferrer-Ríos, Miguel A Gómez-Bravo, Francisco J Padillo, Jordi Muntané
BACKGROUND & AIMS: Patients with hepatocellular carcinoma (HCC) submitted to orthotopic liver transplantation (OLT) have a variable 5-year survival rate limited mostly by tumor recurrence. The etiology, age, sex, alcohol, Child-Pugh, and the immunesuppressor have been associated with tumour recurrence. The expression of ΔNp73 is related to the reduced survival of patients with HCC. The study evaluated the expression of p63 and p73 isoforms and cell death receptors, and their relation to tumour recurrence and survival...
2017: PloS One
https://www.readbyqxmd.com/read/28350741/short-article-noninvasive-assessment-of-portal-hypertension-and-detection-of-esophageal-varices-in-cirrhosis-state-of-the-art
#7
Ana C de Oliveira
Portal hypertension (PHT) is a major consequence of any chronic liver disease and it is the main cause of complications in patients with cirrhosis. Measurement of hepatic vein pressure gradient is considered the gold standard for PHT assessment, together with its diagnosis and prognosis relevance. Even though hepatic vein pressure gradient measurement is a safe procedure, it is still considered an invasive technique and not widely available. There is thus a need for noninvasive methods that can predict the progression of PHT as well as the presence and the risk of complications related to esophageal varices...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28350740/prevalence-of-hepatitis-b-and-c-and-factors-for-infection-and-nonimmune-in-inflammatory-bowel-disease-patients-in-china
#8
Dafan Chen, Shengzheng Luo, Qiwen Ben, Lungen Lu, Xinjian Wan, Jianjiong Wu
OBJECTIVE: The aims of this study were to investigate the prevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection in inflammatory bowel disease (IBD) patients and the risk factors related to the infection and nonimmune status. METHODS: A retrospective study was carried out at two clinical centers. The prevalence of viral markers and risk factors related to HBV and HCV infection and nonimmune status were analyzed in IBD patients. Age-matched and sex-matched healthy individuals were recruited as the controls...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28350558/updates-on-hepatitis-c-virus-therapy-in-the-direct-acting-antiviral-era
#9
Ramakrishna Behara, Nancy Reau
PURPOSE OF REVIEW: Hepatitis C virus (HCV) is a major cause of clinical burden in the United States and worldwide, as a percentage of patients can develop complications such as cirrhosis and hepatocellular carcinoma. RECENT FINDINGS: Therapy for chronic HCV infection was previously interferon-based, but with the advent of direct-acting antivirals (DAAs), there has been a dramatic improvement in eradicating the virus with favourable side effect profiles. SUMMARY: Emerging data are demonstrating new successful agents in difficult-to-manage populations...
March 27, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28346819/parametric-overdispersed-frailty-models-for-current-status-data
#10
Steven Abrams, Marc Aerts, Geert Molenberghs, Niel Hens
Frailty models have a prominent place in survival analysis to model univariate and multivariate time-to-event data, often complicated by the presence of different types of censoring. In recent years, frailty modeling gained popularity in infectious disease epidemiology to quantify unobserved heterogeneity using Type I interval-censored serological data or current status data. In a multivariate setting, frailty models prove useful to assess the association between infection times related to multiple distinct infections acquired by the same individual...
March 27, 2017: Biometrics
https://www.readbyqxmd.com/read/28346810/an-automated-multiplexed-hepatotoxicity-and-cyp-induction-assay-using-heparg-cells-in-2d-and-3d
#11
Lindsey M Ott, Karthik Ramachandran, Lisa Stehno-Bittel
Drug-induced liver injury (DILI) and drug-drug interactions (DDIs) are concerns when developing safe and efficacious compounds. We have developed an automated multiplex assay to detect hepatotoxicity (i.e., ATP depletion) and metabolism (i.e., cytochrome P450 1A [CYP1A] and cytochrome P450 3A4 [CYP3A4] enzyme activity) in two-dimensional (2D) and three-dimensional (3D) cell cultures. HepaRG cells were cultured in our proprietary micromold plates and produced spheroids. HepaRG cells, in 2D or 3D, expressed liver-specific proteins throughout the culture period, although 3D cultures consistently exhibited higher albumin secretion and CYP1A/CYP3A4 enzyme activity than 2D cultures...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346804/hepatitis-b-and-c-virus-infections-among-human-immunodeficiency-virus-infected-people-who-inject-drugs-in-lahore-pakistan
#12
Sana Mansha, Muhammad Imran, Amir Miraj Ul Hussain Shah, Muhsin Jamal, Fayyaz Ahmed, Muhammad Atif, Muhammmad Saleem, Sher Zaman Safi, Zareen Fatima, Ahmed Bilal Waqar
Hepatitis B virus (HBV) and hepatitis C virus (HCV) are the major cause of the global burden of hepatitis. One of the main routes of transmission for both viruses is through exposure to infected blood, which includes sharing blood-contaminated syringes and needles. Human immunodeficiency virus (HIV) attacks the immune system and results in acquired immune deficiency syndrome and opportunistic infections. The objective of this study was to assess the epidemiology of HBV and HCV infections among HIV-infected people who inject drugs (PWID)...
March 27, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28346733/the-ontogeny-and-population-variability-of-human-hepatic-dihydronicotinamide-riboside-quinone-oxidoreductase-nqo2
#13
Zoe Riches, Yuejian Liu, Jacob M Berman, Gurinder Walia, Abby C Collier
Dihydronicotinamide riboside:quinone oxidoreductase (NQO2) is an enzyme that performs reduction reactions involved in antioxidant defense. We hypothesized that NQO2 hepatic drug clearance would develop in children over time, similar to NQO1. Using human liver cytosol (n = 117), the effects of age, sex, ethnicity, and weight on NQO2 expression and activity were probed. No significant correlations were observed. Biochemical activity of NQO2 was as high at birth as in adults (0.23 ± 0.04 nmol/min/mg protein, mean ± SEM, range 0-1...
March 27, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28346483/effect-of-mir-146-targeted-hdmcp-up-regulation-in-the-pathogenesis-of-nonalcoholic-steatohepatitis
#14
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/28346471/effect-of-functional-sympathetic-nervous-system-impairment-of-the-liver-and-abdominal-visceral-adipose-tissue-on-circulating-triglyceride-rich-lipoproteins
#15
Michael F La Fountaine, Christopher M Cirnigliaro, Steven C Kirshblum, Cristin McKenna, William A Bauman
BACKGROUND: Interruption of sympathetic innervation to the liver and visceral adipose tissue (VAT) in animal models has been reported to reduce VAT lipolysis and hepatic secretion of very low density lipoprotein (VLDL) and concentrations of triglyceride-rich lipoprotein particles. Whether functional impairment of sympathetic nervous system (SNS) innervation to tissues of the abdominal cavity reduce circulating concentrations of triglyceride (TG) and VLDL particles (VLDL-P) was tested in men with spinal cord injury (SCI)...
2017: PloS One
https://www.readbyqxmd.com/read/28346420/hepatic-cyclooxygenase-2-overexpression-induced-spontaneous-hepatocellular-carcinoma-formation-in-mice
#16
H Chen, W Cai, E S H Chu, J Tang, C-C Wong, S H Wong, W Sun, Q Liang, J Fang, Z Sun, J Yu
Cyclooxygenase (COX)-2 is upregulated in hepatocellular carcinoma (HCC). However, the direct causative effect of COX-2 in spontaneous HCC formation remains unknown. We thus investigate the role and molecular pathogenesis of COX-2 in HCC by using liver-specific COX-2 transgenic (TG) mice. We found spontaneous HCC formation with elevated inflammatory infiltrates and neovessels in male TG mice (3/21, 14.3%), but not in any of male WT mice (0/19). Reduced representation bisulfite sequencing (RRBS) and gene expression microarrays were performed in the HCC tumor and non-HCC liver tissues to investigate the molecular mechanisms of COX-2-driven HCC...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346409/the-metabolic-er-stress-sensor-ire1%C3%AE-suppresses-alternative-activation-of-macrophages-and-impairs-energy-expenditure-in-obesity
#17
Bo Shan, Xiaoxia Wang, Ying Wu, Chi Xu, Zhixiong Xia, Jianli Dai, Mengle Shao, Feng Zhao, Shengqi He, Liu Yang, Mingliang Zhang, Fajun Nan, Jia Li, Jianmiao Liu, Jianfeng Liu, Weiping Jia, Yifu Qiu, Baoliang Song, Jing-Dong J Han, Liangyou Rui, Sheng-Zhong Duan, Yong Liu
Obesity is associated with metabolic inflammation and endoplasmic reticulum (ER) stress, both of which promote metabolic disease progression. Adipose tissue macrophages (ATMs) are key players orchestrating metabolic inflammation, and ER stress enhances macrophage activation. However, whether ER stress pathways underlie ATM regulation of energy homeostasis remains unclear. Here, we identified inositol-requiring enzyme 1α (IRE1α) as a critical switch governing M1-M2 macrophage polarization and energy balance...
March 27, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28346343/lifetime-exposure-to-a-constant-environment-amplifies-the-impact-of-a-fructose-rich-diet-on-glucose-homeostasis-during-pregnancy
#18
Aleida Song, Stuart Astbury, Abha Hoedl, Brent Nielsen, Michael E Symonds, Rhonda C Bell
The need to refine rodent models of human-related disease is now being recognized, in particular the rearing environment that can profoundly modulate metabolic regulation. Most studies on pregnancy and fetal development purchase and transport young females into the research facility, which after a short period of acclimation are investigated (Gen0). We demonstrate that female offspring (Gen1) show an exaggerated hyperinsulinemic response to pregnancy when fed a standard diet and with high fructose intake, which continues throughout pregnancy...
March 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28346236/current-concepts-in-ischemic-hepatitis
#19
Joseph M Lightsey, Don C Rockey
PURPOSE OF REVIEW: The current review seeks to define ischemic hepatitis and its associated comorbidities. It means to review the pathophysiology, clinical presentation, clinical course, outcomes, and any potential therapies. RECENT FINDINGS: Ischemic hepatitis has long been associated with cardiovascular disease; recent reports have found a substantial link between preexisting cardiovascular disease and the risk for developing ischemic hepatitis. A proposed mechanism by which hepatic congestion predisposes the liver to hemodynamic injury further defines this link...
March 24, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28346233/clinical-efficacy-and-tolerability-of-direct-acting-antivirals-in-elderly-patients-with-chronic-hepatitis-c
#20
Jagannath M Sherigar, Vijay Gayam, Arifa Khan, Osama Mukhtar, Yavgeniy Arefiev, Mazin Khalid, Imran Siddiqui, Ayyappa M Rangaraju, Nibash Budhathoki, Mohammed Mansour, Debra Guss, Smruti R Mohanty
BACKGROUND: There is a lack of evidence-based data on aged patients with newer direct-acting antivirals (DAAs) and with shorter duration of treatment regimens involving DAAs with or without ribavirin (RBV) and pegylated interferon (Peg IFN). PATIENTS AND METHODS: Medical records of 240 patients treated with DAAs with or without Peg IFN and RBV between January 2013 and July 2015 were retrospectively analyzed. Patients were divided into two groups: patients aged 65 years and older (N=84) and patients aged younger than 65 years (N=156)...
March 24, 2017: European Journal of Gastroenterology & Hepatology
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