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Neyla Ben Gdara, Amel Belgacem, Ikram Khemiri, Safa Mannai, Lotfi Bitri
In this study, phycocyanin (Pc) extracted from Spirulina platensis was used to evaluate its antioxidants effects after ischemia/reperfusion injury (IRI) using the ex-vivo model of isolated perfused rat liver. The rats were divided into eight groups : Control group, where livers were directly perfused after their removal; Cold Ischemia group (CI), livers were treated in the same way as the control group, except that after their collection, they were stored for 12 h and 24 h in the Krebs Henseleit (KH) preservation solution at 4 °C and Treated group (PHY), livers were preserved in the same way as the preceding group except that the KH solution was enriched with phycocyanin at two different concentrations...
March 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Hui Cao, Senlin Li, Rui Xie, Na Xu, Ying Qian, Hongdan Chen, Qinyu Hu, Yihong Quan, Zhihong Yu, Junjun Liu, Ming Xiang
Dangguiliuhuang decoction (DGLHD) has been demonstrated to be effective in treating inflammatory, hepatic steatosis, and insulin resistance. In the study, we tried to elucidate the pharmacological efficacy and mechanism of DGLHD against liver fibrosis and predicate potential active ingredients and targets via network analysis and experimental validation. In the formula, we totally discovered 76 potential active ingredients like baicalein, berberine, and wogonin, and 286 corresponding targets including PTGS (prostaglandin-endoperoxide synthase) 2, PPAR (peroxisome proliferator-activated receptors) -γ, and NF-κB (nuclear factor-κB)...
2018: Frontiers in Pharmacology
Danielle Berglund, Varvara Kirchner, Timothy Pruett, Saumya Mangalick, Raja Kandaswamy, Oscar K Serrano, Bradley Benson, Steven Mongin, John Lake, Srinath Chinnakotla
BACKGROUND: Living liver donation is one of the most selfless and humane acts a person can perform. Few single-center reports have been published specifically evaluating complications and quality of life postdonation. STUDY DESIGN: A retrospective analysis of outcomes of 176 living liver donors at our center to determine the incidence, type, and Clavien grade of complications, as well as long-term quality of life RESULTS: Of 176 living donors, 154 underwent right hepatectomy; 4, left-hepatectomy lobectomy; and 18, left lateral segmentectomy...
March 16, 2018: Journal of the American College of Surgeons
Ireen Vieweg, Eider Bilbao, James P Meador, Ibon Cancio, Morgan Lizabeth Bender, Miren P Cajaraville, Jasmine Nahrgang
Polar cod is an abundant Arctic key species, inhabiting an ecosystem that is subjected to rapid climate change and increased petroleum related activities. Few studies have investigated biological effects of crude oil on lipid metabolism in this species, despite lipids being a crucial compound for Arctic species to adapt to the high seasonality in food abundance in their habitat. This study examines the effects of dietary crude oil exposure on transcription levels of genes related to lipid metabolism (peroxisome proliferator-activated receptors [ppar-α, ppar-γ], retinoic X receptor [rxr-β], palmitoyl-CoA oxidase [aox1], cytochrome P4507A1 [cyp7α1]), reproduction (vitellogenin [vtg-β], gonad aromatase [cyp19a1]) and biotransformation (cytochrome P4501A1 [cyp1a1], aryl hydrocarbon receptor [ahr2])...
March 16, 2018: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
Guadalupe Miró, Amelia Troyano, Ana Montoya, Fernando Fariñas, Ma Luisa Fermín, Luís Flores, Carlos Rojo, Rocío Checa, Rosa Gálvez, Valentina Marino, Cristina Fragío, Eva Martínez-Nevado
BACKGROUND: Some wild animals have been recognized as potential reservoirs of Leishmania infantum infection (e.g. carnivores, lagomorphs, rodents, etc.). Leishmania infantum was also identified infecting humans and lagomorphs (i.e. hares and rabbits) over the period of 2009-2016, with the latter acting as the main reservoirs involved in the human leishmaniosis outbreak in Madrid. RESULTS: Two cases of clinical leishmaniosis are reported in orangutans (Pongo pygmaeus pygmaeus) housed at two different centres in Madrid...
March 20, 2018: Parasites & Vectors
Tokio Higaki, Shintaro Yamazaki, Yusuke Mitsuka, Masaru Aoki, Nao Yoshida, Yutaka Midorikawa, Hisashi Nakayama, Tadatoshi Takayama
To clarify whether high transient elevation of serum transaminase predicts severe complications and is related to the ischemic area on CT. Postoperative laboratory data and ischemia area on CT were analyzed on the basis of the presence of high transaminase elevation (aspartate aminotransferase (AST) > 1,000 IU/L within postoperative day (POD) 2 after liver resection. In the high elevation group, volume of ischemic areas was assessed by CT on POD2. The 538 patients were divided into a high transaminase group (n = 51) and a control group (n = 487)...
2018: Bioscience Trends
Chunmei Xu, Junyu Zhao, Xiaojun Zhou, Rui Zhang, Tianyue Xie, Zhiwei Zou, Lin Liao, Jianjun Dong
Background: Liver enzyme abnormalities are common in patients with type 2 diabetes. Currently, the inverse relationship between elevated liver enzymes and antidiabetics intake may be explained by rigorous treatment and good control. However, few studies have directly explored the influence of antidiabetics on abnormal liver function, especially the comparison between two insulin sensitizers-thiazolidinediones and metformin. Materials And Methods: Databases, including PubMed, Cochrane, CNKI, Wanfang and VIP were searched...
February 23, 2018: Oncotarget
Dirk Westhölter, Jens Hiller, Ulrike Denzer, Susanne Polywka, Francis Ayuk, Meike Rybczynski, Thomas Horvatits, Swantje Gundlach, Nicole Fischer, Marylyn M Addo, Sven Peine, Burkhard Göke, Ansgar W Lohse, Marc Lütgehetmann, Sven Pischke
BACKGROUND: Routine Hepatitis E Virus (HEV) testing of blood products has recently been implemented in Great-Britain and the Netherlands. The relevance of transfusion-transmitted HEV infections is still controversially discussed in Europe. METHODS: All blood donations at the University Medical Center Hamburg-Eppendorf were prospectively tested for HEV-RNA by pooled PCR from October 2016 to May 2017. Reactive samples were individually re-tested. Additionally, stored samples from previous donations of positive donors were tested to determine the duration of HEV-viremia...
March 15, 2018: Journal of Hepatology
Y T Huang, X F Liu, Y F Chen, R F Fu, W Liu, L Zhang, R C Yang
Objective: To investigate the safety and efficacy of eltrombopag for adult patients with chronic immune thrombocytopenia (cITP). Methods: It was a randomised, single-centre, 6 weeks, placebo-controlled study. Beginning in January 29(th), 2013, 35 patients were enrolled, and the trial was completed on May 16(th), 2014. 17 patients were assigned to receive eltrombopag (starting dose 25 mg/d) and 18 were assigned to receive placebo. Results: A total of 35 cases of adult cITP, 6 males and 29 females with a median age of 42(22-66) years were enrolled...
January 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Dongxia Fu, Haibin Cui, Yunna Zhang
BACKGROUND/AIMS: Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease. This study aims to investigate whether chloride channel 2 (ClC-2) is involved in high fat diet (HFD)-induced NAFLD and possible molecular mechanisms. METHODS: ClC-2 expression was liver-specifically downregulated using adeno-associated virus in C57BL/6 mice treated with a chow diet or HFD for 12 weeks. Peripheral blood and liver tissues were collected for biochemical and pathological estimation respectively...
March 10, 2018: Cellular Physiology and Biochemistry
Xiao-Li Xie, Jie-Tao He, Zheng-Tao Wang, Huan-Qin Xiao, Wen-Tao Zhou, Si-Hao Du, Ye Xue, Qi Wang
Methamphetamine (METH) is a widely abused psychostimulant. Lactulose is a non-absorbable sugar, which effectively decreases METH-induced neurotoxicity in rat. However, the exact mechanisms need further investigation. In this study, 5-week-old male Sprague Dawley rats received METH (15 mg/kg, 8 intraperitoneal injections, 12-hour interval) or saline and received lactulose (5.3 g/kg, oral gavage, 12-hour interval) or vehicle 2 days prior to the METH administration. Compared to the control group, in the METH alone group, cytoplasmic vacuolar degeneration in hepatocytes, higher levels of alanine transaminase, aspartate transaminase and ammonia, overproduction of reactive oxygen species (ROS) and increase of superoxide dismutase activity in the blood were observed...
March 14, 2018: Toxicology Letters
Daniel A Schupack, Claire L Jansson-Knodell, Conor G Loftus
No abstract text is available yet for this article.
March 14, 2018: Mayo Clinic Proceedings
Neil H Segal, Aiwu R He, Toshihiko Doi, Ronald Levy, Shailender Bhatia, Michael J Pishvaian, Rossano Cesari, Ying Chen, Craig B Davis, Bo Huang, Aron D Thall, Ajay K Gopal
Purpose: Utomilumab (PF-05082566) is an agonistic mAb that engages the immune costimulatory molecule 4-1BB/CD137. In this first-in-human, phase I, open-label, multicenter, multiple-dose study (NCT01307267) we evaluated safety, tolerability, pharmacokinetics, preliminary clinical activity, and pharmacodynamics of single-agent utomilumab in patients with advanced malignancies. Experimental Design: Dose escalation was based on a standard 3+3 design for doses of utomilumab from 0.006 to 0.3 mg/kg every 4 weeks and a time-to-event continual reassessment method for utomilumab 0...
March 16, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
María José Garcés Hernández, Miguel Klünder, Nayely Garibay Nieto, Juan Carlos López Alvarenga, Jenny Vilchis Gil, Samuel Flores Huerta, Rosa Quispe Siccha, Joselin Hernandez
OBJECTIVE: Visceral adiposity index (VAI) is a mathematical model associated with cardiometabolic risk in adults, but studies on children failed to support this association. Our group has proposed a pediatric VAI model using pediatric ranges, but it has not yet been evaluated and needs further adjustments. The objective of this study was to further adjust the proposed pediatric VAI by age, creating a new pediatric metabolic index (PMI), and assess the correlation of the PMI with insulin resistance indexes and hepatic enzymes...
March 2018: Endocrine Practice
Te-Sha Tsai, Sonika Tyagi, Justin C St John
STUDY QUESTION: What are the molecular differences between mitochondrial DNA (mtDNA)-deficient and mtDNA-normal oocytes and how does mitochondrial supplementation alter these? SUMMARY ANSWER: Changes to DNA methylation in a 5' cytosine-phosphate-guanine 3' (CpG) island in the mtDNA-specific replication factor (DNA polymerase gamma (POLG)) of mtDNA-deficient oocytes mediates an increase in mtDNA copy number by the 2-cell stage that positively modulates the expression of nuclear genes, which affect cellular and metabolic processes, following autologous mitochondrial supplementation...
March 13, 2018: Human Reproduction
Zhen Bao, Weijun Chen, Fan Pan, Bo Peng, Jin Gong
The purpose of the present study was to investigate the effect of breviscapine injection on hepatic ischemia/reperfusion (I/R) injury in rats. To explore the relevance and discuss the underlying mechanism of mitofusin 2 (Mfn2) in hepatic I/R injury, 40 Sprague-Dawley male rats were randomly and equally divided into five groups (n=8 per group) as follows: Sham, I/R + normal saline 1 (NS1), I/R + breviscapine 1 (Bre1), I/R + NS2 and I/R + Bre2 groups. Groups 1 and 2 represented ischemia for 20 and 60 min, respectively...
April 2018: Experimental and Therapeutic Medicine
Xueliang Yang, Yunru Chen, Jian Zhang, Tiantian Tang, Ying Kong, Feng Ye, Xi Zhang, Xiaojing Liu, Shumei Lin
The present study aimed to evaluate whether thymosin α1 (Tα1) increases survival rates through the improvement of immunofunction and inhibition of hepatocyte apoptosis in rats with acute liver failure (ALF). A total of 25 rats were randomly divided into the control group (CG), the model group (MG) and the treatment group (TG). The CG received an intraperitoneal injection of saline (2 ml). The ALF rat model was established by the intraperitoneal injection of D-galactosamine (700 mg/kg) and lipopolysaccharide (10 µg/kg)...
April 2018: Experimental and Therapeutic Medicine
Jun Xi Liu, Shiu Lun Au Yeung, Man Ki Kwok, June Yue Yan Leung, Shi Lin Lin, Lai Ling Hui, Gabriel Matthew Leung, C Mary Schooling
Birth weight (BW) is inversely associated with diabetes and liver function in Mendelian Randomization studies. Observationally, lower BW is usually also associated with poorer liver function. However, these studies could be confounded by socioeconomic position. Here we assessed if BW is associated with liver function in a unique population with little socio-economic patterning of BW, using both instrumental variable and an observational analysis. We used instrumental variable analysis (IVA) to assess the association of BW with liver function (alanine transaminase (ALT), alkaline phosphatase (ALP), bilirubin, and albumin) at ~17 years with twin status as an instrumental variable in the prospective population-representative "Children of 1997" birth cohort (n = 8327)...
March 13, 2018: Preventive Medicine
Marina Chiara Garassino, Byoung-Chul Cho, Joo-Hang Kim, Julien Mazières, Johan Vansteenkiste, Hervé Lena, Jesus Corral Jaime, Jhanelle E Gray, John Powderly, Christos Chouaid, Paolo Bidoli, Paul Wheatley-Price, Keunchil Park, Ross A Soo, Yifan Huang, Catherine Wadsworth, Phillip A Dennis, Naiyer A Rizvi
BACKGROUND: Immune checkpoint inhibitors are a new standard of care for patients with advanced non-small-cell lung cancer (NSCLC) without EGFR tyrosine kinase or anaplastic lymphoma kinase (ALK) genetic aberrations (EGFR-/ALK-), but clinical benefit in patients with EGFR mutations or ALK rearrangements (EGFR+/ALK+) has not been shown. We assessed the effect of durvalumab (anti-PD-L1) treatment in three cohorts of patients with NSCLC defined by EGFR/ALK status and tumour expression of PD-L1...
March 12, 2018: Lancet Oncology
Didem Onk, Fatih Özçelik, Oruç Alper Onk, Murat Günay, Tülin Akarsu Ayazoğlu, Ethem Ünver
BACKGROUND The present study sought to assess the renal and liver protective effect of N-acetylcysteine through NH3 and urea metabolism in patients with chronic obstructive pulmonary disease who were scheduled for coronary artery bypass grafting surgery. MATERIAL AND METHODS Patients with chronic obstructive pulmonary disease (COPD) who were scheduled for coronary artery bypass grafting were divided into 2 groups so as to receive (Group 1, n=35) or not receive (Group 2, n=35) 900 mg/day of n-acetylcysteine for 7 days before the operation starting from their admission to the service by a pulmonologist with the purpose of treating COPD until the day of surgery...
March 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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