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https://www.readbyqxmd.com/read/29458151/endoscopic-management-of-pancreatobiliary-neoplasms
#1
Andrew Y Wang, Patrick S Yachimski
Endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP) are the mainstays of interventional endoscopic practice. EUS occupies a central role in the diagnosis of pancreatobiliary neoplasms and offers a platform for a wide range of direct tumor therapies. Initial steps have demonstrated the feasibility of such applications in animal models and pilot studies. Larger clinical trials and incorporation of EUS-based therapies into cooperative cancer studies might demonstrate an impact in the clinical prognosis of patients with pancreatic cancer...
February 16, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29457852/successful-management-of-living-donor-liver-transplantation-for-biliary-atresia-with-single-ventricle-physiology-from-peri-transplant-through-total-cavopulmonary-connection-a-case-report
#2
Yohei Yamada, Ken Hoshino, Takayuki Oyanagi, Ryohei Gatayama, Jun Maeda, Nobuyuki Katori, Yasushi Fuchimoto, Taizo Hibi, Masahiro Shinoda, Kentaro Matsubara, Hideaki Obara, Ryo Aeba, Yuko Kitagawa, Hiroyuki Yamagishi, Tatsuo Kuroda
Children with single ventricle physiology have complete mixing of the pulmonary and systemic circulations, requiring staged procedures to achieve a separation of these circulations, or Fontan circulation. The single ventricle physiology significantly increases the risk of mortality in children undergoing non-cardiac surgery. As liver transplantation for patients with single ventricle physiology is particularly challenging, only a few reports have been published. We herein report a case of successful LDLTx for an 8-month-old pediatric patient with biliary atresia, heterotaxy, and complex heart disease of single ventricle physiology...
February 19, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29456414/high-prevalence-of-hepatitis-b-antibody-loss-and-a-case-report-of-de-novo-hepatitis-b-virus-infection-in-a-child-after-living-donor-liver-transplantation
#3
Palittiya Sintusek, Nawarat Posuwan, Piyaporn Wanawongsawad, Suttiruk Jitraruch, Yong Poovorawan, Voranush Chongsrisawat
AIM: To assess the seroprevalence of hepatitis B virus (HBV) immunity among previously vaccinated pediatric liver transplant recipients and present a case report of de novo hepatitis B infection after liver transplantation. METHODS: This study focused on children with chronic liver diseases who received primary hepatitis B immunization and had a complete dataset of anti-HBs before and after liver transplantation between May 2001 and June 2017. Medical records were retrospectively reviewed for potential factors relating to HBV immunity loss...
February 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29454797/alterations-in-intestinal-microbiota-lead-to-production-of-interleukin-17-by-intrahepatic-%C3%AE-%C3%AE-t-cell-receptor-positive-cells-and-pathogenesis-of-cholestatic-liver-disease
#4
Dana Tedesco, Manoj Thapa, Chui-Yoke Chin, Yong Ge, Minghao Gong, Jing Li, Sanjeev Gumber, Patrick Speck, Elizabeth J Elrod, Eileen M Burd, William H Kitchens, Joseph F Magliocca, Andrew B Adams, David S Weiss, Mansour Mohamadzadeh, Arash Grakoui
BACKGROUND & AIMS: Variants at the ATP binding cassette subfamily B member 4 gene (ABCB4 or MDR2) locus, which encodes a biliary transport protein, are associated with a spectrum of cholestatic liver diseases. Exacerbation of liver disease has been linked to increased hepatic levels of interleukin 17 (IL17), yet the mechanisms of this increase are not understood. We studied mice with disruption of Mdr2 to determine how defects in liver and alteration in the microbiota contribute to production of IL17 by intrahepatic γδ T cells...
February 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29453199/simultaneous-assessment-of-clearance-metabolism-induction-and-drug-drug-interaction-potential-using-a-long-term-in-vitro-liver-model-for-a-novel-hepatitis-b-virus-inhibitor
#5
Nicole A Kratochwil, Miriam Triyatni, Martina B Mueller, Florian Klammers, Brian Leonard, Dan Turley, Josephine Schmaler, Aynur Ekiciler, Birgit Molitor, Isabelle Walter, Pierre-Alexis Gonsard, Charles A Tournillac, Alexandre Durrwell, Michaela Marschmann, Russell Jones, Mohammed Ullah, Franziska Boess, Giorgio Ottaviani, Yuyan Yin, Neil J Parrott, Stephen Fowler
Long-term in vitro liver models are now widely explored for human hepatic metabolic clearance prediction, enzyme phenotyping, cross species metabolism, comparison of low clearance drugs as well as induction studies. Here, we present studies using a long-term liver model which show how metabolism and active transport, drug-drug interactions and enzyme induction in healthy and diseased states, e.g. hepatitis B virus (HBV) infection, may be assessed in a single test system to enable effective data integration for PBPK modeling...
February 16, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29450852/major-pancreatic-resections-normal-postoperative-findings-and-complications
#6
Marco Chincarini, Giulia A Zamboni, Roberto Pozzi Mucelli
OBJECTIVES: (1) To illustrate and describe the main types of pancreatic surgery; (2) to discuss the normal findings after pancreatic surgery; (3) to review the main complications and their radiological findings. BACKGROUND: Despite the decreased postoperative mortality, morbidity still remains high resulting in longer hospitalisations and greater costs. Imaging findings following major pancreatic resections can be broadly divided into "normal postoperative alterations" and real complications...
February 15, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29449577/neutralization-of-il-15-abrogates-experimental-immune-mediated-cholangitis-in-diet-induced-obese-mice
#7
José L Reyes, Danielle T Vannan, Tina Vo, Aliya Gulamhusein, Paul L Beck, Raylene A Reimer, Bertus Eksteen
Obesity is a global epidemic affecting chronic inflammatory diseases. Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease that can occur as an extraintestinal manifestation of inflammatory bowel disease (IBD). Previously we reported that patients with PSC who are obese have a higher risk of advanced liver disease. Currently it is unknown how obesity accelerates or worsens PSC. We evaluated the progression of PSC in an antigen-driven cholangitis mouse model of diet-induced obesity. Obesity was induced in our murine model of immune-mediated cholangitis (OVAbil)...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29445068/lower-plasma-levels-of-il-35-in-patients-with-primary-biliary-cirrhosis
#8
Tengda Li, Yuanlan Huang, Peng Liu, Yun Liu, Jie Guo, Weiwei Zhang, Mingli Gu, Cheng Qian, Anmei Deng
Primary biliary cirrhosis (PBC) is an autoimmune liver disease. Its histological characteristics, such as progressive intrahepatic bile duct destruction, cholestasis, and liver cirrhosis, are caused by the body's autoimmune disorders. Interleukin (IL)-35 has two subunits (p35 and Ebi3) and is a member of the IL-12 family of heterodimeric cytokines. IL-35 has immunosuppressive functions and plays an important role in many autoimmune diseases. In this study, we compared plasma levels of IL-35 and relative mRNA expression levels of p35 and Ebi3 in peripheral blood mononuclear cells (PBMCs) from 70 PBC patients and 70 healthy individuals...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29444709/mucinous-cystic-neoplasm-of-the-liver-with-extrahepatic-growth-presenting-with-ascending-cholangitis-diagnosed-by-endoscopic-ultrasound-features-a-case-report
#9
Tanawat Pattarapuntakul, Bancha Ovartlarnporn, Jaksin Sottisuporn
BACKGROUND: Mucinous cystic neoplasm of the liver with extrahepatic growth is a rare benign epithelial neoplasm of the biliary system that presents with a mass effect or is incidentally found on imaging. The tumor affects mostly the common hepatic duct, which is difficult to diagnose preoperatively by radiology, endoscopy, or cystic fluid analysis. Endoscopic ultrasound is a noninvasive tool for the evaluation of features of a cystic lesion and the extent of disease. Optimal treatment is complete tumor resection...
February 15, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29440620/quantification-of-hepatic-perfusion-and-hepatocyte-function-with-dynamic-gadoxetic-acid-enhanced-mr-imaging-in-patients-with-chronic-liver-disease
#10
Benjamin Leporq, Jean-Luc Daire, Catherine M Pastor, Pierre Deltenre, Christine Sempoux, Sabine Schmidt, Bernard E Van Beers
The purpose of this study was to develop and perform initial validation of dynamic MR imaging enhanced with gadoxetic acid as hepatobiliary contrast agent to quantify hepatic perfusion and hepatocyte function in patients with chronic liver disease. Free-breathing, dynamic gadoxetic acid-enhanced MR imaging was performed at 3.0 T using a three-dimensional time-resolved angiography sequence with stochastic trajectories during 38 minutes. A dual-input three-compartment model was developed to derive hepatic perfusion and hepatocyte function parameters...
February 12, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29438681/the-diagnostic-value-of-five-serum-tumor-markers-for-patients-with-cholangiocarcinoma
#11
Yuanfu Qiu, Jian He, Xinliang Chen, Pinbo Huang, Kaishun Hu, Haiyan Yan
OBJECTIVE: To assess the clinical significance and diagnostic value of the single and combined detection of five tumor markers in patients with cholangiocarcinoma. METHODS: In total, 296 patients with biliary tract disease who were diagnosed and received treatment at Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University during April 2011 to Dec 2017 were chosen for this study. Patients were divided into a cholangiocarcinoma group and a benign biliary tract disease group...
February 10, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29438164/the-autoimmune-ecology-an-update
#12
Juan-Manuel Anaya, Paula Restrepo-Jiménez, Carolina Ramírez-Santana
PURPOSE OF REVIEW: The autoimmune ecology refers to the interactions between individuals and their environment leading to a breakdown in immune tolerance and, therefore, to the development of one or more autoimmune diseases in such an individual. Herein, an update is offered on four specific factors associated with autoimmune diseases, namely, vitamin D, smoking, alcohol and coffee consumption from the perspective of exposome and metabolomics. RECENT FINDINGS: Smoking is associated with an increased risk for most of the autoimmune diseases...
February 12, 2018: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/29434599/rna-seq-analysis-of-il-1b-and-il-36-responses-in-epidermal-keratinocytes-identifies-a-shared-myd88-dependent-gene-signature
#13
William R Swindell, Maria A Beamer, Mrinal K Sarkar, Shannon Loftus, Joseph Fullmer, Xianying Xing, Nicole L Ward, Lam C Tsoi, Michelle J Kahlenberg, Yun Liang, Johann E Gudjonsson
IL-36 cytokines have recently emerged as mediators of inflammation in autoimmune conditions including psoriasis vulgaris (PsV) and generalized pustular psoriasis (GPP). This study used RNA-seq to profile the transcriptome of primary epidermal keratinocytes (KCs) treated with IL-1B, IL-36A, IL-36B, or IL-36G. We identified some early IL-1B-specific responses (8 h posttreatment), but nearly all late IL-1B responses were replicated by IL-36 cytokines (24 h posttreatment). Type I and II interferon genes exhibited time-dependent response patterns, with early induction (8 h) followed by no response or repression (24 h)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29429510/characterization-and-spatial-relationships-of-the-hepatic-vascular-biliary-tracts-and-their-associated-pancreocytes-and-macrophages-in-the-model-fish-guppy-poecilia-reticulata-a-study-of-serial-sections-by-light-microscopy
#14
Sisandra Sousa, Maria J Rocha, Eduardo Rocha
The guppy is a tropical fish that has been used as an experimental model organism in science. It is a species well adapted to the natural environment and that can support adverse environmental conditions, and so, at occasions, its presence can be indicative of environmental disturbances. Moreover, as the liver is very important when studying fish diseases, the knowledge of normal microanatomy is essential to assess histological changes, e.g., related to environmental change or toxic pollutants. The target organ of this histological study is the liver...
February 2018: Tissue & Cell
https://www.readbyqxmd.com/read/29428104/management-of-occluded-self-expanding-biliary-metal-stents-in-malignant-biliary-disease
#15
Simon Nennstiel, Isolde Tschurtschenthaler, Bruno Neu, Hana Algül, Monther Bajbouj, Roland M Schmid, Stefan von Delius, Andreas Weber
BACKGROUND: Occlusion of self-expanding metal stents (SEMS) in malignant biliary obstruction occurs in up to 40% of patients. This study aimed to compare the different techniques to resolve stent occlusion in our collective of patients. METHODS: Patients with malignant biliary obstruction and occlusion of biliary metal stent at a tertiary referral endoscopic center were retrospectively identified between April 1, 1994 and May 31, 2014. The clinical records were further analyzed regarding the characteristics of patients, malignant strictures, SEMS, management strategies, stent patency, subsequent interventions, survival time and case charges...
February 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/29428100/clinical-analysis-of-liver-transplantation-in-autoimmune-liver-diseases
#16
Cheng-Peng Zhong, Zhi-Feng Xi, Qiang Xia
BACKGROUND: Autoimmune liver diseases (ALDs) consist of autoimmune hepatitis (AIH), primary biliary cirrhosis (PBC), primary sclerosing cholangitis (PSC), IgG4-associated cholangitis and overlap syndromes. Patients with these diseases may gradually progress to end-stage liver diseases and need liver transplantation. The present study aimed to explore the prognosis of patients with ALDs after liver transplantation. METHODS: The clinical data of 80 patients with ALD (24 cases of AIH, 35 of PBC, 15 of PSC and 6 of AIH-PBC overlap syndromes) who underwent liver transplantation in Renji Hospital, Shanghai Jiao Tong University School of Medicine from June 2004 to September 2016 were collected retrospectively...
February 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/29427734/increased-waitlist-mortality-and-lower-rate-for-liver-transplantation-in-hispanic-patients-with-primary-biliary-cholangitis
#17
George Cholankeril, Humberto C Gonzalez, Sanjaya Satapathy, Stevan A Gonzalez, Menghan Hu, Mohammad Ali Khan, Eric R Yoo, Andrew A Li, Donghee Kim, Satheesh Nair, Robert J Wong, Paul Y Kwo, Stephen A Harrison, Zobair M Younossi, Keith D Lindor, Aijaz Ahmed
BACKGROUND & AIMS: Data on the differences in ethnicity and race among patients with primary biliary cholangitis (PBC) awaiting liver transplantation (LT) are limited. We evaluated liver transplant waitlist trends and outcomes based on ethnicity and race in patients with PBC in the United States. METHODS: Using the United Network for Organ Sharing (UNOS) registry, we collected data on patients with PBC on the liver transplant waitlist, and performed analysis with a focus on ethnicity and race-based variations clinical manifestations, waitlist mortality and LT rates from 2000 to 2014...
February 7, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29426291/paediatric-pancreaticobiliary-endoscopy-a-21-year-experience-from-a-tertiary-hepatobiliary-centre-and-systematic-literature-review
#18
Margaret G Keane, Mayur Kumar, Natascha Cieplik, Douglas Thorburn, Gavin J Johnson, George J Webster, Michael H Chapman, Keith J Lindley, Stephen P Pereira
BACKGROUND: In adults ERCP and endoscopic ultrasound (EUS) are standard methods of evaluating and treating many hepatopancreaticobiliary (HPB) conditions. HPB disease is being diagnosed with increasing frequency in children but information about role of ERCP and EUS and their outcomes in this population remain limited. Therefore the aims of this study were to describe the paediatric ERCP and EUS experience from a large tertiary referral HPB centre, and to systematically compare outcomes with those of other published series...
February 9, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29421933/predictors-for-choledocholitiasis-in-patients-undergoing-endoscopic-ultrasound
#19
Julie Vaynshtein, Gilbert Sabbag, Ilya Pinsk, Ilan Rahmani, Avraham Reshef
AIM: Biliary lithiasis is common in most western countries. Symptomatic patients will also have choledocholithiasis in 10% of the cases. For patients with intermediate probability of CBD stones, the recommended imaging studies are endoscopic ultrasound (EUS) or MRCP. This study aims to identify early factors that can be used as predictors for the presence of CBD stones, and by that to find which patient should undergo ERCP without an early EUS. METHODS: This is a retrospective cohort study including all patients who underwent EUS for suspected choledocholithiasis at the Soroka University Medical Center (SUMC) in the years 2009-2014...
February 8, 2018: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29420067/organic-solute-transporter-ost%C3%AE-%C3%A3-is-over-expressed-in-nonalcoholic-steatohepatitis-and-modulated-by-drugs-associated-with-liver-injury
#20
Melina Miia Malinen, Izna Ali, Jacqueline Bezençon, James John Beaudoin, Kim L R Brouwer
The heteromeric steroid transporter, organic solute transporter alpha/beta (OSTα/β; SLC51), was discovered over a decade ago, but its physiological significance in the liver is still uncertain. A major challenge has been the lack of suitable models expressing OSTα/β. Based on observations first reported herein that hepatic OSTα/β is upregulated in nonalcoholic steatohepatitis (NASH), the aim of this research was to develop an in vitro model to evaluate OSTα/β function and interaction with drugs and bile acids...
February 8, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
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