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https://www.readbyqxmd.com/read/29454301/heteroassembled-gold-nanoparticles-with-sandwich-immunoassay-lspr-chip-format-for-rapid-and-sensitive-detection-of-hepatitis-b-virus-surface-antigen-hbsag
#1
Jinwoon Kim, Seo Yeong Oh, Shruti Shukla, Seok Bok Hong, Nam Su Heo, Vivek K Bajpai, Hyang Sook Chun, Cheon-Ho Jo, Bong Gill Choi, Yun Suk Huh, Young-Kyu Han
This study aimed to develop a more sensitive method for the detection of hepatitis B surface antigen (HBsAg) using heteroassembled gold nanoparticles (AuNPs). A single layered localized surface plasmon resonance (LSPR) chip format was developed with antigen-antibody reaction-based detection symmetry using AuNPs, which detected HBsAg at 10 pg/mL. To further improve the detection limit, a modified detection format was fabricated by fixing a secondary antibody (to form a heteroassembled sandwich format) to the AuNP monolayer, which enhanced the detection sensitivity by about 100 times...
February 7, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29454099/two-stage-hepatectomy-vs-one-stage-major-hepatectomy-with-contralateral-resection-or-ablation-for-advanced-bilobar-colorectal-liver-metastases
#2
Takashi Mizuno, Jordan M Cloyd, Kiyohiko Omichi, Yun Shin Chun, Claudius Conrad, Ching-Wei D Tzeng, Steven H Wei, Thomas A Aloia, Jean-Nicolas Vauthey
BACKGROUND: Both two-stage hepatectomy (TSH) and one-stage hepatectomy (OSH) represent feasible strategies for resection of advanced bilobar colorectal liver metastases (CLM). However, the influence of the surgical approach on postoperative outcomes and overall survival (OS) is unknown. To define the optimal surgical approach for advanced bilobar CLM requiring right hemihepatectomy, we compared short-term and long-term outcomes following TSH and OSH with contralateral resection or radiofrequency ablation (RFA)...
February 14, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29454098/quantitative-imaging-features-and-postoperative-hepatic-insufficiency-a-multi-institutional-expanded-cohort
#3
Linda M Pak, Jayasree Chakraborty, Mithat Gonen, William C Chapman, Richard Kg Do, Bas Groot Koerkamp, Kees Verhoef, Ser Yee Lee, Marco Massani, Eric P van der Stok, Amber L Simpson
BACKGROUND: Post-hepatectomy liver insufficiency (PHLI) is a significant cause of morbidity and mortality after liver resection. Quantitative imaging analysis using CT scans measures variations in pixel intensity related to perfusion. A preliminary study demonstrated a correlation between quantitative imaging features of the future liver remnant (FLR) parenchyma from preoperative CT scans and PHLI. The objective of the present study was to explore the potential application of quantitative imaging analysis in PHLI in an expanded, multi-institutional cohort...
February 14, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29454069/recipient-characteristics-and-morbidity-and-mortality-after-liver-transplantation
#4
Sumeet K Asrani, Giovanna Saracino, Jacqueline G O'Leary, Stevan Gonzales, Peter Kim, Greg McKenna, Goran Klintmalm, James Trotter
BACKGROUND: Over the last decade, liver transplantation of sicker, older non-hepatitis C cirrhotics with multiple co-morbidities has increased in the United States. METHODS: We sought to identify a parsimonious set of recipient factors among HCV negative adult transplant recipients associated with significant morbidity and mortality within 5 years after liver transplantation using national (n=31,829, 2002-2015) and center specific data. Coefficients of relevant recipient factors were converted to weighted points and scaled from 0-5...
February 14, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29454024/development-of-an-in-vitro-screening-method-of-acute-cytotoxicity-of-the-pyrrolizidine-alkaloid-lasiocarpine-in-human-and-rodent-hepatic-cell-lines-by-increasing-susceptibility
#5
Kristina Forsch, Verena Schöning, Lucia Disch, Beate Siewert, Matthias Unger, Jürgen Drewe
ETHNOPHARMACOLOGICAL RELEVANCE: Pyrrolizidine alkaloids (PAs) are secondary plant ingredients formed in many plant species to protect against predators. PAs are generally considered acutely hepatotoxic, genotoxic and carcinogenic. Up to now, only few in vitro and in vivo investigations were performed to evaluate their relative toxic potential. AIM OF THE STUDY: The aim was to develop an in vitro screening method of their cytotoxicity. MATERIALS AND METHODS: Human and rodent hepatocyte cell lines (HepG2 and H-4-II-E) were used to assess cytotoxicity of the PA lasiocarpine...
February 14, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29453986/sterol-o-acyltransferase-1-deficiency-improves-defective-insulin-signaling-in-the-brains-of-mice-fed-a-high-fat-diet
#6
Ning Xu, Hao Meng, Tian-Yi Liu, Ying-Li Feng, Yuan Qi, Dong-Huan Zhang, Hong-Lei Wang
Insulin resistance induced by a high-fat diet (HFD) is related to metabolic diseases, and sterol O-acyltransferase 1 (SOAT1) is a key enzyme for the biosynthesis of cholesteryl ester. In the present study, wild-type (WT) mice and SOAT1-knockout (KO) mice with a C57BL6 background fed a HFD were used to explore the role of SOAT1 in the hypothalamus. The results show that the WT mice exhibited a significant increase in body weight as well as hepatic histologic changes; they also had a lower glucose and insulin tolerance than the WT mice fed a normal diet...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453971/prediction-value-of-serum-hbv-large-surface-protein-in-different-phases-of-hbv-infection-and-virological-response-of-chronic-hepatitis-b-patients
#7
Can Liu, Wennan Wu, Hongyan Shang, Sheng Lin, Zhen Xun, Er Huang, Jinpiao Lin, Bin Yang, Qishui Ou
BACKGROUND: Serum HBV large surface protein (HBV-LP) is an envelope protein that has a close relationship with HBV DNA level. This study is to explore the prediction value of HBV-LP in different phase of HBV infection and during antiviral therapy in chronic hepatitis B (CHB) patients. METHODS: A retrospective study was conducted in 2033 individuals, which included 1677 HBV infected patients in different phases and 356 healthy controls. HBV-LP, HBV serum markers and HBV DNA were detected by ELISA, CMIA and qRT-PCR, respectively...
February 14, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29453945/evaluation-of-lipid-peroxidation-and-antioxidant-defense-mechanisms-in-the-bone-of-rats-in-conditions-of-separate-and-combined-administration-of-vanadium-v-and-magnesium-mg
#8
Agnieszka Ścibior, Dorota Gołębiowska, Agnieszka Adamczyk, Joanna Kurus, Magdalena Staniszewska, Ilona Sadok
The impact of vanadium (V) and magnesium (Mg) applied as sodium metavanadate (SMV, 0.125 mg V/ml) and magnesium sulfate (MS, 0.06 mg Mg/ml) on oxidative stress markers in bone of male Wistar rats was investigated. Some of them were also measured in the liver, e.g. l-ascorbic acid (hepatic L-AA). Additionally, relationships between selected indices determined in bone were examined. SMV alone (Group II) did not significantly alter the level of TBARS and the activity of SOD, compared with the control (Group I), but it slightly reduced the GR activity (by 13%) and the L-AA level (by 15...
February 14, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29453941/increased-morbidity-and-mortality-associated-with-falls-among-patients-with-cirrhosis
#9
Ghideon Ezaz, Susan L Murphy, Jessica Mellinger, Elliot B Tapper
BACKGROUND: Injuries are more morbid and complicated to manage in patients with cirrhosis. However, data are limited regarding the relative risk of injury and severity of injury from falls in patients with cirrhosis compared to those without cirrhosis. METHODS: We examined the nationally representative National Emergency Department Sample, an all-payer database including all patients presenting with falls 2009-2012. We determined the relative risks for and clinical associations with severe injuries...
February 14, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29453920/effect-of-trans-chalcone-on-hepatic-il-8-through-the-regulation-of-mir-451-in-male-rats
#10
Elham Karimi-Sales, Sajad Jeddi, Arshad Ghaffari-Nasab, Mina Salimi, Mohammad Reza Alipour
OBJECTIVE: Trans-chalcone is a chalcone with hepatoprotective and anti-inflammatory effects. However, the mechanism of these positive effects, especially on miR-451 as an inflammatory regulator, is poorly understood. In this regard, this microRNA (miRNA) acts by inhibition of hepatic interleukin-8 (IL-8) production in the liver which is one of the main proinflammatory cytokines. Th is study for the first time examined the effect of trans-chalcone on miR-451/IL-8 pathway. METHODS: In present study, 21 male rats were randomly divided into 3 groups (n=7 per each group): control which received solvent (NS), groups 2 (N2T) and 3 (N6T), which received transchalcone for 2 and 6 weeks, respectively...
January 1, 2018: Endocrine Regulations
https://www.readbyqxmd.com/read/29453915/efficacy-of-nucleoside-analogues-for-hepatitis-b-virus-related-liver-failure-a-network-meta-analysis
#11
Jian Wu, Fang Yin, Xinmin Zhou
The purpose of this study was to compare the efficacy of nucleoside analogues (NAs) in the treatment of HBV-related liver failure. The data of patients with HBV-related liver failure treated with nucleoside analogues were used to conduct a network meta-analysis. A total of 1660 patients from 12 articles about the efficacy of lamivudine, entecavir, telbivudine and tenofovir for HBV-related liver failure treatment were recruited in the study. The highest two- and three-month survival rate was recorded for patients using tenofovir...
March 1, 2018: Acta Pharmaceutica
https://www.readbyqxmd.com/read/29453831/evaluation-of-a-recombinant-multiepitope-antigen-for-diagnosis-of-hepatitis-c-virus-a-lower-cost-alternative-for-antigen-production
#12
Ronaldo Luis Thomasini, Hortencia Gisele Amaro Souza, Oscar Bruna-Romero, Antonio Helvecio Totola, Neiva Sellan Lopes Gonçales, Cristiano Xavier Lima, Mauro Martins Teixeira
BACKGROUND: The most of the hepatitis C-infected patients remain undiagnosed until they develop severe liver damage or submitted for serological screening. OBJECTIVE: To evaluate a recombinant multiepitope protein for detection of IgG anti-hepatitis C virus. METHOD: A synthetic gene was cloned, expressed in Escherichia coli, and the recombinant protein was purified. Human serum panel consisted of 88 positives (20 HCV genotyped) and 376 negatives for hepatitis C, 6 positives for human acquired immunodeficiency virus, 6 syphilis positives, 6 hepatitis B positives were tested by IgG antihepatitis C virus using the protein by enzyme-linked immunosorbent assay...
February 17, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29453825/iatrogenic-hepatic-portal-venous-gas-following-balloon-endoscopy-in-a-patient-with-hepaticojejunostomy-stricture
#13
Hiroshi Kawakami, Tesshin Ban, Yoshimasa Kubota
Hepatic portal venous gas (HPVG) is caused by gastrointestinal (GI) mucosal damage alone or in combination with bowel distension, sepsis, and invasion by gas-producing bacteria. The most common cause is mesenteric ischemia associated with bowel necrosis. Iatrogenic HPVG is a rare condition that occurs following various endoscopic procedures 1 . Herein, we present an unusual case of HPVG following balloon endoscopy (BE). This article is protected by copyright. All rights reserved.
February 17, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29453811/multimodal-treatment-including-tandem-high-dose-chemotherapy-and-autologous-stem-cell-transplantation-in-children-with-anaplastic-ependymomas
#14
Ji Won Lee, Do Hoon Lim, Ki Woong Sung, Hyeong Jin Lee, Eun Sang Yi, Keon Hee Yoo, Hong Hoe Koo, Yeon-Lim Suh, Hyung Jin Shin
In this study, we evaluated the results of multimodal treatment that included tandem HDCT/auto-SCT in children with anaplastic ependymomas. Fourteen patients with anaplastic ependymomas were enrolled from 2006 to 2014. Six cycles of induction chemotherapy were administered to all patients before they underwent tandem HDCT/auto-SCT. Patients who were older than 3 years of age were administered RT after two cycles of induction chemotherapy. In patients under 3 years of age, RT was either omitted or delayed until they reached 3 years of age, if the patients experienced CR after tandem HDCT/auto-SCT...
February 16, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29453737/two-stage-hepatectomy-aiming-for-the-development-of-intrahepatic-venous-collaterals-for-multiple-colorectal-liver-metastases
#15
Harufumi Maki, Shouichi Satou, Kentaro Nakajima, Atsuki Nagao, Kazuteru Watanabe, Hitoshi Satodate, Satoshi Nara, Kaoru Furushima, Yasushi Harihara
BACKGROUND: Aggressive hepatectomy with venous resection has a higher risk of postoperative liver failure (POLF) than hepatectomy without venous reconstruction; however, venous reconstruction is technically demanding. We performed a novel two-stage hepatectomy (TSH) without venous reconstruction in a patient with bilobar multiple colorectal liver metastases located near the caval confluence, waiting for the development of intrahepatic venous collaterals between procedures. CASE PRESENTATION: A 60-year-old man was referred to our hospital with sigmoid colon cancer accompanied by intraabdominal abscess and two synchronous liver metastases...
February 16, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29453610/hepatitis-c-cure-is-associated-with-decreased-healthcare-costs-in-cirrhotics-in-retrospective-veterans-affairs-cohort
#16
Marissa M Maier, Xiao-Hua Zhou, Michael Chapko, Steven L Leipertz, Xuan Wang, Lauren A Beste
BACKGROUND: Approximately 233,898 individuals in the Veterans Affairs healthcare network are hepatitis C virus (HCV)-infected, making the Veterans Affairs the single largest provider of HCV care in the USA. Direct-acting antiviral treatment regimens for HCV offer high cure rates. However, these medications pose an enormous financial burden, and whether HCV cure is associated with decreased healthcare costs is poorly defined. AIMS: To measure downstream healthcare costs in a national population of HCV-infected patients up to 9 years post-HCV antiviral treatment, to compare downstream healthcare costs between cured and uncured patients, and to assess impact of cirrhosis status on cost differences...
February 16, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29453531/transmucosal-nanoparticles-toxicological-overview
#17
Swapnil Talkar, Sagar Dhoble, Anuradha Majumdar, Vandana Patravale
Nanoparticles have specific physicochemical properties different to bulk materials of the same composition and such properties make them very attractive for commercial and medical applications. Mucoadhesive nanoparticulate dosage forms are designed to enable prolonged retention of these nanoparticles at the site of application, providing a controlled drug release for improved therapeutic outcome. Moreover, drug delivery across the mucosa bypasses the first-pass hepatic metabolism and avoids the degradation by gastrointestinal enzymes...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29453492/application-of-physiologically-based-pharmacokinetic-modeling-to-the-prediction-of-drug-drug-and-drug-disease-interactions-for-rivaroxaban
#18
Ruijuan Xu, Weihong Ge, Qing Jiang
PURPOSE: Rivaroxaban is a direct oral anticoagulant with a large inter-individual variability. The present study is to develop a physiologically based pharmacokinetic (PBPK) model to predict several scenarios in clinical practice. METHODS: A whole-body PBPK model for rivaroxaban, which is metabolized by the cytochrome P450 (CYP) 3A4/5, 2J2 pathways and excreted via kidneys, was developed to predict the pharmacokinetics at different doses in healthy subjects and patients with hepatic or renal dysfunction...
February 17, 2018: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29453472/prevalence-of-hepatitis-d-among-patients-with-hepatitis-b-viral-infection-attending-a-tertiary-care-centre-of-nepal
#19
Kiran Regmi, Jeetendra Kaji Shrestha, Sudhamshu Kc, Bikash Jaishi, Niyanta Karki, Dipendra Khadka, Sandip Khadka
INTRODUCTION: Worldwide there is variation in prevalence of Hepatitis D viral infection. Superinfection and co infection with hepatitis B viral infection is known to occur in 15-20 million people. METHODS: This was a descriptive cross-sectional hospital based study carried out in NAMS, Bir hospital, Kathmandu, Nepal from period of January 2017 to June 2017. Consecutive patients of chronic hepatitis B viral infection of HBsAg positive with more than two-time upper normal limit of ALT were enrolled and tested for HDV IgG...
October 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/29453464/dietitian-led-lifestyle-modification-programme-for-obese-chinese-adolescents-with-non-alcoholic-fatty-liver-disease-a-randomized-controlled-study
#20
D F Y Chan, H K So, S C N Hui, R S M Chan, A M Li, M M Sea, W C W Chu, M Chan, J Woo, E A S Nelson
BACKGROUND: The prevalence of non-alcoholic fatty liver disease (NAFLD) in children is increasing. This study evaluated the efficacy of a dietitian-led lifestyle modification programme (D-LMP) to reduce NAFLD in obese adolescents. METHODS: Subjects with intra-hepatic triglyceride content (IHTC) equal to or greater than 5% diagnosed by proton-magnetic resonance spectroscopy ( 1 H-MRS) were enroled and randomly assigned to either the D-LMP intervention or conventional paediatrician-led consultation (P-CON) group...
January 30, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
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