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https://www.readbyqxmd.com/read/28738497/oeanolic-acid-protects-against-the-hepatotoxicity-of-d-galactosame-plus-endotoxin-in-mice
#1
Xiao-Li Wan, Yuan-Fu Lu, Shang-Fu Xu, Qin Wu, Jie Liu
Oleanolic acid (OA) is a triterpenoid contained in many herbal medicines. The aim of this study was to investigate the protective effect of OA against D-galactosame plus lipopolysaccharides (D-GalN/LPS)-induced acute liver injury and the underling mechanisms. Mice were randomly divided into normal control with vehicles only (corn oil), D-GalN/LPS only (700mg/10μg/kg, ip), OA-po (200μmol/kg in corn oil, po) plus D-GalN/LPS, and OA-sc (50μmol/kg in 2% tween 80, sc) plus D-GalN/LPS groups. OA pretreatment was conducted twice daily for 4 consecutive days...
July 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28737724/time-dependent-inhibition-of-cyp2c8-and-cyp2c19-by-hedera-helix-extracts-a-traditional-respiratory-herbal-medicine
#2
Shaheed Ur Rehman, In Sook Kim, Min Sun Choi, Seung Hyun Kim, Yonghui Zhang, Hye Hyun Yoo
The extract of Hedera helix L. (Araliaceae), a well-known folk medicine, has been popularly used to treat respiratory problems, worldwide. It is very likely that this herbal extract is taken in combination with conventional drugs. The present study aimed to evaluate the effects of H. helix extract on cytochrome P450 (CYP) enzyme-mediated metabolism to predict the potential for herb-drug interactions. A cocktail probe assay was used to measure the inhibitory effect of CYP. H. helix extracts were incubated with pooled human liver microsomes or CYP isozymes with CYP-specific substrates, and the formation of specific metabolites was investigated to measure the inhibitory effects...
July 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28737708/functional-comparison-for-lipid-metabolism-and-intestinal-and-fecal-microflora-enzyme-activities-between-low-molecular-weight-chitosan-and-chitosan-oligosaccharide-in-high-fat-diet-fed-rats
#3
Chen-Yuan Chiu, Shih-An Feng, Shing-Hwa Liu, Meng-Tsan Chiang
The present study investigated and compared the regulatory effects on the lipid-related metabolism and intestinal disaccharidase/fecal bacterial enzyme activities between low molecular weight chitosan and chitosan oligosaccharide in high-fat-diet-fed rats. Diet supplementation of low molecular weight chitosan showed greater efficiency than chitosan oligosaccharide in suppressing the increased weights in body and in liver and adipose tissues of high-fat-diet-fed rats. Supplementation of low molecular weight chitosan also showed a greater improvement than chitosan oligosaccharide in imbalance of plasma, hepatic, and fecal lipid profiles, and intestinal disaccharidase activities in high-fat-diet-fed rats...
July 24, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28737473/association-between-the-high-soluble-fms-like-tyrosine-kinase-1-to-placental-growth-factor-ratio-and-adverse-outcomes-in-asymptomatic-women-with-early-onset-fetal-growth-restriction
#4
Satoshi Shinohara, Yuzo Uchida, Mayuko Kasai, Rei Sunami
OBJECTIVE: To assess whether the high soluble fms-like tyrosine kinase-1 (sFlt-1) to placental growth factor (PlGF) ratio is associated with adverse outcomes (e.g., HELLP syndrome [hemolysis, elevated liver enzymes, and low platelets], severe hypertension uncontrolled by medication, non-reassuring fetal status, placental abruption, pulmonary edema, growth arrest, maternal death, or fetal death) and a shorter duration to delivery in early-onset fetal growth restriction (FGR). METHODS: Thirty-four women with FGR diagnosed at <34...
July 24, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28735888/differential-expression-of-subunits-of-20%C3%AE-hydroxysteroid-dehydrogenase-during-gametogenesis-in-rainbow-trout-oncorhychus-mykiss
#5
Arya Vazirzadeh, Yann Guiguen
The patterns of expression of two subunits of 20β-hydroxysteroid dehydrogenase (20β-HSD), key enzyme involved in the biosynthesis and activation of steroid hormones, were examined in rainbow trout by using a combination of quantitative real-time PCR and in-situ hybridization. The expression of targeted genes was examined in mRNA extracted from different tissues at different gonadal stages in male and female trout. Both subunits of 20β-HSD were found to be widely distributed in tissues. The highest expression of 20β-HSD A was found in intestine followed by skin, stomach, liver and gills, whereas, the highest expression of 20β-HSD B was observed in stomach followed by head kidney, ovary - at late vitellogenesis stage- and trunk kidney...
July 14, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28735095/regulation-of-lipid-droplet-associated-proteins-by-peroxisome-proliferator-activated-receptors
#6
REVIEW
Montserrat A de la Rosa Rodriguez, Sander Kersten
Excess fatty acids are stored in cells as triglycerides in specialized organelles called lipid droplets (LD). LD can be found in nearly all cell types and may expand during certain (patho)physiological conditions. The synthesis and breakdown of triglycerides and their deposition in LD is governed by a diverse set of enzymes and LD-associated proteins. These proteins serve structural roles in and around LD and regulate the activity of key lipogenic and lipolytic enzymes. The LD-associated proteins are subject to multiple regulatory mechanisms at the protein and gene expression level...
July 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28734962/analyzing-the-hepatoprotective-effect-of-the-swertia-cincta-burkillextract-against-anit-induced-cholestasis-in-rats-by-modulating-the-expression-of-transporters-and-metabolic-enzymes
#7
Lili Xu, Tingting Sheng, Xiaolong Liu, Tong Zhang, Zhengtao Wang, Han Han
ETHNOPHARMACOLOGICAL RELEVANCE: Swertia cincta Burkill was traditionally used for treating jaundice and various types of chronic and acute hepatitis in Yunnan and Tibet in China for hundreds of years. This study aims to investigate the protective effect of S. cincta Burkill (ESC) extract on alpha-naphthylisothiocyanate (ANIT)-induced hepatotoxicity and cholestasis in rats. MATERIALS AND METHODS: Crude extracts were prepared using 90% ethanol and by vacuum drying...
July 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28734523/laparoscopic-choledochoduodenostomy
#8
Adolfo Cuendis-Velázquez, Mario E Trejo-Ávila, Enrique Rosales-Castañeda, Eduardo Cárdenas-Lailson, Martin E Rojano-Rodríguez, Sujey Romero-Loera, Carlos A Sanjuan-Martínez, Mucio Moreno-Portillo
INTRODUCTION: Today's options for biliary bypass procedures, for difficult choledocholithiasis, range from open surgery to laparo-endoscopic hybrid procedures. The aim of this study was to analyze the outcomes of patients with difficult choledocholithiasis treated with laparoscopic choledochoduodenostomy. METHODS: We performed a prospective observational study from March 2011 to June 2016. We included patients with difficult common bile duct stones (recurrent or unresolved by ERCP) in which a biliary bypass procedure was required...
July 19, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28734125/a-systematic-review-and-meta-analysis-of-cold-in-situ-perfusion-and-preservation-of-the-hepatic-allograft-working-towards-a-unified-approach
#9
REVIEW
Ahmer M Hameed, Jerome M Laurence, Vincent W T Lam, Henry C Pleass, Wayne J Hawthorne
BACKGROUND: The efficacy of cold in situ perfusion and static storage of the liver is one possible determinant of transplantation outcomes. The aim of this study was to determine whether there is evidence to substantiate a preference for a particular perfusion route (aortic or dual) or perfusion/preservation solution in donation after brain-death (DBD) liver transplantation. METHODS: The Embase, Medline and Cochrane databases were utilized (1980-2017). Random effects modeling was used to estimate effects on transplantation outcomes based upon (i) aortic or dual in situ perfusion, and (ii) the use of University of Wisconsin (UW), histidine-tryptophan-ketoglutarate (HTK), Celsior and/or Institut Georges Lopez-1 (IGL-1) for perfusion/preservation...
July 22, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28733841/analgosedation-of-adult-patients-with-elevated-intracranial-pressure-survey-of-current-clinical-practice-in-austria
#10
Guenther Herzer, Claudia Mirth, Udo M Illievich, Wolfgang G Voelckel, Helmut Trimmel
BACKGROUND: Analgesia and sedation are key items in intensive care. Recently published S3 guidelines specifically address treatment of patients with elevated intracranial pressure. METHODS: The Austrian Society of Anesthesiology, Resuscitation and Intensive Care Medicine carried out an online survey of neurointensive care units in Austria in order to evaluate the current state of practice in the areas of analgosedation and delirium management in this high-risk patient group...
July 21, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28733761/spontaneous-photosensitization-by-heterophyllaea-pustulata-hook-f-rubiaceae-in-sheep-from-northwestern-argentina
#11
J F Micheloud, L A Colque-Caro, L R Comini, J L Cabrera, S Núñez-Montoya, O G Martinez, E J Gimeno
Heterophyllaea pustulata Hook. f. (Rubiaceae) is a phototoxic plant. It grows in the Andean area of northwest of Argentina, and it causes significant economic losses in the livestock. This plant induces dermal lesions by photosensitization probably due to its content of photosensitizing anthraquinones. This paper describes an outbreak of poisoning in Corriedale sheepfold, which had an incidence of 49%. Ear skin biopsies and blood samples were collected of six affected animals. Liver enzymes remained within the reference limits...
July 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28732476/evaluation-of-creatine-kinase-and-liver-enzymes-in-identification-of-severe-dengue
#12
Saiful Safuan Md Sani, Winn Hui Han, Mohamad Adam Bujang, Hui Jen Ding, Kiah Loon Ng, Mohd Azizuddin Amir Shariffuddin
BACKGROUND: Existing biomarkers such as AST, ALT and hematocrit have been associated with severe dengue but evidence are mixed. Recently, interests in creatine kinase as a dengue biomarker have risen. These biomarkers represent several underlying pathophysiological processes in dengue. Hence, we aimed to assess AST, ALT, CK and hematocrit in identification of severe dengue and to assess the correlational relationship amongst common biomarkers of dengue. METHODS: This was a retrospective cohort study of confirmed dengue patients who were warded in Kuala Lumpur Hospital between December 2014 and January 2015...
July 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28731917/the-impact-of-iron-overload-in-acute-leukemia-chronic-inflammation-but-not-the-presence-of-nontransferrin-bound-iron-is-a-determinant-of-oxidative-stress
#13
Lale Olcay, Mustafa Serteser, Murat Kolay, Havva F Balci, Ülkü M Yildirim, Sibel A Tekgündüz, Tuncay Hazirolan, Yunus K Terzi
In the literature, studies on the oxidant effects of nontransferrin bound iron [NTBI (eLPI assay)] during chemotherapy of acute lymphoblastic leukemia and acute myeloblastic leukemia are lacking. We established NTBI and oxidative stress determinants (OSD), iron parameters, high-sensitive C-reactive protein (hs-CRP) levels, liver tests, cumulative chemotherapeutic doses, and transfused blood in 36 children with acute leukemia throughout chemotherapy. These parameters were determined at the beginning and end of chemotherapy blocks (11 time points) and in 20 healthy children using enzyme-linked immunosorbent assay, and colorimetric and fluorometric enzymatic methods...
July 20, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28730856/in-vitro-drug-drug-interactions-of-budesonide-inhibition-and-induction-of-transporters-and-cytochrome-p450-enzymes
#14
Nancy Chen, Donghui Cui, Qing Wang, Zhiming Wen, Richard D Finkelman, Devin Welty
1. Budesonide is a glucocorticoid used in the treatment of several respiratory and gastrointestinal inflammatory diseases. Glucocorticoids have been demonstrated to induce cytochrome P450 (CYP) 3A and the efflux transporter P-glycoprotein (P-gp). This study aimed to evaluate the potential of budesonide to act as a perpetrator or a victim of transporter- or CYP-mediated drug-drug interactions (DDIs). 2. In vitro studies were conducted for P-gp, breast cancer resistance protein and organic anion and cation transporters (OATP1B1, OATP1B3, OAT1, OAT3, OCT2) in transporter-transfected cells...
July 21, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28730729/traffic-related-air-pollution-associations-with-cytokeratin-18-a-marker-of-hepatocellular-apoptosis-in-an-overweight-and-obese-paediatric-population
#15
S Hsieh, B P Leaderer, A E Feldstein, N Santoro, L A McKay, S Caprio, R McConnell
INTRODUCTION: Traffic-related air pollution causes fatty liver, inflammation and fibrosis in animal models, but there have been few studies in humans. OBJECTIVES: To test the hypothesis that traffic-related air pollution causes non-alcoholic fatty liver disease (NAFLD) and increased markers for non-alcoholic steatohepatitis (NASH); and that NAFLD increases liver susceptibility to increased NASH risk. METHODS: Data collected prospectively from 74 overweight or obese children were obtained from the Yale Pediatric Obesity Clinic...
July 20, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28730512/nlrp3-deletion-inhibits-the-non-alcoholic-steatohepatitis-development-and-inflammation-in-kupffer-cells-induced-by-palmitic-acid
#16
Can Cai, Xiwen Zhu, Peizhi Li, Jinzheng Li, Jianping Gong, Wei Shen, Kun He
The cleavage and secretion of pro-inflammatory cytokines IL-1β and IL-18 is regulated by NLRP3 (NACHT, LRR, and PYD domain-containing protein 3) inflammasome activation. Kupffer cells (KCs) are implicated in the pathogenesis of various liver diseases, such as non-alcoholic fatty liver disease (NAFLD), alcoholic liver disease, and liver fibrosis. However, the role of NLRP3 played in the non-alcoholic steatohepatitis (NASH) has yet to be evaluated. In the present study, methionine-choline-deficient (MCD) diet was used to establish the mice NASH model...
July 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28729181/expression-of-cyp4v2-in-human-thp1-macrophages-and-its-transcriptional-regulation-by-peroxisome-proliferator-activated-receptor-gamma
#17
Myeongjin Yi, Jae-Gook Shin, Su-Jun Lee
Because macrophages respond to a variety of pathological and pharmacological reagents, understanding the role of P450s in macrophages is important for therapeutic intervention. There has been a lack of research on CYP4 in macrophages, but fatty acid accumulation and lipid trafficking in macrophages have been suggested to be a main cause of atherosclerosis. All human CYP4 genes (n=12) were screened in THP1 macrophages by gene-specific reverse transcriptase-polymerase chain reaction (RT-PCR). Only CYP4V2 exhibited strong expression of both mRNA and protein...
July 17, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28728977/synthesis-and-characterization-of-boron-fenbufen-and-its-f-18-labeled-homolog-for-boron-neutron-capture-therapy-of-cox-2-overexpressed-cholangiocarcinoma
#18
Chun-Nan Yeh, Chi-Wei Chang, Yi-Hsiu Chung, Shi-Wei Tien, Yong-Ren Chen, Tsung-Wen Chen, Ying-Cheng Huang, Hsin-Ell Wang, You-Cheng Chou, Ming-Huang Chen, Kun-Chun Chiang, Wen-Sheng Huang, Chung-Shan Yu
Boron neutron capture therapy (BNCT) is a binary therapy that employs neutron irradiation on the boron agents to release high-energy helium and alpha particles to kill cancer cells. An optimal response to BNCT depends critically on the time point of maximal (10)B accumulation and highest tumor to normal ratio (T/N) for performing the neutron irradiation. The aggressive cholangiocarcinoma (CCA) representing a liver cancer that overexpresses COX-2 enzyme is aimed to be targeted by COX-2 selective boron carrier, fenbufen boronopinacol (FBPin)...
July 17, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28728751/a-phase-ii-evaluation-of-brivanib-in-the-treatment-of-persistent-or-recurrent-carcinoma-of-the-cervix-an-nrg-oncology-gynecologic-oncology-group-study
#19
John K Chan, Wei Deng, Robert V Higgins, Krishnansu S Tewari, Albert J Bonebrake, Michael Hicks, Stephanie Gaillard, Pedro T Ramirez, Weldon Chafe, Bradley J Monk, Carol Aghajanian
BACKGROUND: Brivanib is an oral, tyrosine kinase inhibitor against vascular endothelial growth factor (VEGF) and fibroblast growth factor receptor (FGFR). We studied its efficacy and tolerability in persistent or recurrent cervical cancer patients. METHODS: Eligible patients had at least one prior cytotoxic regimen for recurrence and with measurable disease. Brivanib 800mg was administered orally every day (1cycle=28days) until disease progression or prohibitive toxicity...
July 17, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28728397/effects-of-dietary-valine-lysine-ratio-on-the-performance-amino-acid-composition-of-tissues-and-mrna-expression-of-genes-involved-in-branched-chain-amino-acid-metabolism-of-weaned-piglets
#20
Yetong Xu, Xiaokang Ma, Chunli Wang, Mingfeng Yuan, Xiangshu Piao
Objective: The goal of this study was to investigate the effects of dietary standard ileal digestible (SID) valine:lysine ratios on performance, intestinal morphology, amino acids of liver and muscle, plasma indices and mRNA expression of branched-chain amino acid (BCAA) metabolism enzymes. Methods: A total of 144 crossbred pigs (Duroc × Landrace × Large White) weaned at 28 ± 4 days of age (8.79 ± 0.02 kg body weight) were randomly allotted to 1 of 4 diets formulated to provide SID valine: lysine ratios of 50, 60, 70 or 80%...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
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