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https://www.readbyqxmd.com/read/28633873/elental%C3%A2-amino-acid-component-has-protective-effects-on-primary-cultured-hepatocytes-and-a-rat-model-of-acute-liver-injury
#1
Hirokazu Miki, Katsuji Tokuhara, Masaharu Oishi, Yoshito Tanaka, Richi Nakatake, Yosuke Ueyama, Masaki Kaibori, Mikio Nishizawa, Tadayoshi Okumura, Masanori Kon
Amino acids can exert protective effects on the liver either when administered as a medication or following an operation. In this study, we examined the protective effects of amino acids on the liver using in vitro and in vivo models by studying their influence on the induction of inducible nitric oxide synthase (iNOS) and nitric oxide production as a liver injury marker in cultured hepatocytes and liver-protective effects in d-galactosamine and lipopolysaccharide (GalN/LPS)-treated rats, respectively. Primary cultured rat hepatocytes were treated with interleukin (IL)-1β in the presence or absence of Elental® amino acid component (EleAA; 17 amino acids)...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28628637/survival-bacterial-clearance-and-thrombocytopenia-are-improved-in-polymicrobial-sepsis-by-targeting-nuclear-transport-shuttles
#2
Ruth Ann Veach, Yan Liu, Jozef Zienkiewicz, Lukasz S Wylezinski, Kelli L Boyd, James L Wynn, Jacek Hawiger
The rising tide of sepsis, a leading cause of death in the US and globally, is not adequately controlled by current antimicrobial therapies and supportive measures, thereby requiring new adjunctive treatments. Severe microvascular injury and multiple organ failure in sepsis are attributed to a "genomic storm" resulting from changes in microbial and host genomes encoding virulence factors and endogenous inflammatory mediators, respectively. This storm is mediated by stress-responsive transcription factors that are ferried to the nucleus by nuclear transport shuttles importins/karyopherins...
2017: PloS One
https://www.readbyqxmd.com/read/28622463/efficacy-safety-pharmacokinetics-and-pharmacodynamics-of-filgotinib-a-selective-janus-kinase-1-inhibitor-after-short-term-treatment-of-rheumatoid-arthritis-results-of-two-randomized-phase-iia-trials
#3
Frédéric Vanhoutte, Minodora Mazur, Oleksandr Voloshyn, Mykola Stanislavchuk, Annegret Van der Aa, Florence Namour, René Galien, Luc Meuleners, Gerben van 't Klooster
OBJECTIVE: Janus kinase (JAK) inhibitors have shown efficacy in rheumatoid arthritis (RA). We hypothesized that selective inhibition of JAK1 would combine good efficacy with a differentiated safety profile versus less selective JAK inhibitors. METHODS: In two 4-week exploratory, double-blind, placebo-controlled Phase IIA trials, 127 RA patients with insufficient response to methotrexate received filgotinib (GLPG0634, GS-6034) oral capsules (twice-daily 100 mg, or once-daily 30, 75, 150, 200, or 300 mg) or placebo, added on to a stable regimen of methotrexate, to evaluate safety, efficacy, pharmacokinetics and pharmacodynamics of filgotinib...
June 16, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28620383/ly6c-hi-monocytes-and-their-macrophage-descendants-regulate-neutrophil-function-and-clearance-in-acetaminophen-induced-liver-injury
#4
Nadine Graubardt, Milena Vugman, Odelia Mouhadeb, Gabriele Caliari, Metsada Pasmanik-Chor, Debby Reuveni, Ehud Zigmond, Eli Brazowski, Eyal David, Lousie Chappell-Maor, Steffen Jung, Chen Varol
Monocyte-derived macrophages (MoMF) play a pivotal role in the resolution of acetaminophen-induced liver injury (AILI). Timely termination of neutrophil activity and their clearance are essential for liver regeneration following injury. Here, we show that infiltrating Ly6C(hi) monocytes, their macrophage descendants, and neutrophils spatially and temporally overlap in the centrilobular necrotic areas during the necroinflammatory and resolution phases of AILI. At the necroinflammatory phase, inducible ablation of circulating Ly6C(hi) monocytes resulted in reduced numbers and fractions of reactive oxygen species (ROS)-producing neutrophils...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28618975/a-black-cohosh-extract-causes-hematologic-and-biochemical-changes-consistent-with-a-functional-cobalamin-deficiency-in-female-b6c3f1-n-mice
#5
Michelle C Cora, William Gwinn, Ralph Wilson, Debra King, Suramya Waidyanatha, Grace E Kissling, Sukhdev S Brar, Dorian Olivera, Chad Blystone, Greg Travlos
Black cohosh rhizome, available as a dietary supplement, is most commonly marketed as a remedy for dysmenorrhea and menopausal symptoms. A previous subchronic toxicity study of black cohosh dried ethanolic extract (BCE) in female mice revealed a dose-dependent ineffective erythropoiesis with a macrocytosis consistent with the condition known as megaloblastic anemia. The purpose of this study was to investigate potential mechanisms by which BCE induces these particular hematological changes. B6C3F1/N female mice (32/group) were exposed by gavage to vehicle or 1,000 mg/kg BCE for 92 days...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28614785/drag-reducing-polymers-decrease-hepatic-injury-and-metastases-after-liver-ischemia-reperfusion
#6
Samer Tohme, Marina V Kameneva, Hamza O Yazdani, Vikas Sud, Julie Goswami, Patricia Loughran, Hai Huang, Richard L Simmons, Allan Tsung
INTRODUCTION: Surgery, a crucial therapeutic modality in the treatment of solid tumors, can induce sterile inflammatory processes which can result in metastatic progression. Liver ischemia and reperfusion (I/R) injury, an inevitable consequence of hepatic resection of metastases, has been shown to foster hepatic capture of circulating cancer cells and accelerate metastatic growth. Efforts to reduce these negative consequences have not been thoroughly investigated. Drag reducing polymers (DRPs) are blood-soluble macromolecules that can, in nanomolar concentrations, increase tissue perfusion, decrease vascular resistance and decrease near-wall microvascular concentration of neutrophils and platelets thereby possibly reducing the inflammatory microenvironment...
May 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28614141/role-of-hemorrhagic-shock-in-experimental-polytrauma
#7
Stephanie Denk, Sebastian Weckbach, Philipp Eisele, Christian K Braun, Rebecca Wiegner, Julia J Ohmann, Lisa Wrba, Felix M Hoenes, Philipp Kellermann, Peter Radermacher, Ulrich Wachter, Sebastian Hafner, Oscar McCook, Anke Schultze, Annette Palmer, Sonja Braumüller, Florian Gebhard, Markus Huber-Lang
Hemorrhagic shock (HS) after tissue trauma increases the complication and mortality rate of polytrauma (PT) patients. Although several murine trauma models have been introduced, there is a lack of knowledge about the exact impact of an additional HS. We hypothesized that HS significantly contributes to organ injury, which can be reliably monitored by detection of specific organ damage markers.Therefore we established a novel clinically relevant PT plus HS model in C57BL/6 mice which were randomly assigned to control, HS, PT or PT+HS procedure (n = 8 per group)...
June 13, 2017: Shock
https://www.readbyqxmd.com/read/28611522/radiological-response-and-inflammation-scores-predict-tumour-recurrence-in-patients-treated-with-transarterial-chemoembolization-before-liver-transplantation
#8
Daniele Nicolini, Andrea Agostini, Roberto Montalti, Federico Mocchegiani, Cinzia Mincarelli, Alessandra Mandolesi, Nicola L Robertson, Roberto Candelari, Andrea Giovagnoni, Marco Vivarelli
AIM: To investigate the prognostic value of the radiological response after transarterial chemoembolization (TACE) and inflammatory markers in patients affected by hepatocellular carcinoma (HCC) awaiting liver transplantation (LT). METHODS: We retrospectively evaluated the preoperative predictors of HCC recurrence in 70 patients treated with conventional (n = 16) or doxorubicin-eluting bead TACE (n = 54) before LT. The patient and tumour characteristics, including the static and dynamic alpha-fetoprotein, neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio (PLR) measurements, were recorded...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28607531/endogenous-il-33-deficiency-exacerbates-liver-injury-and-increases-hepatic-influx-of-neutrophils-in-acute-murine-viral-hepatitis
#9
Virginie Carrière, Muhammad Imran Arshad, Jacques Le Seyec, Benjamin Lefevre, Muhammad Farooq, Aurélien Jan, Christelle Manuel, Laurence Touami-Bernard, Catherine Lucas-Clerc, Valentine Genet, Hugues Gascan, Jean-Philippe Girard, Frédéric Chalmel, Lucie Lamontagne, Claire Piquet-Pellorce, Michel Samson
The alarmin IL-33 has been described to be upregulated in human and murine viral hepatitis. However, the role of endogenous IL-33 in viral hepatitis remains obscure. We aimed to decipher its function by infecting IL-33-deficient mice (IL-33 KO) and their wild-type (WT) littermates with pathogenic mouse hepatitis virus (L2-MHV3). The IL-33 KO mice were more sensitive to L2-MHV3 infection exhibiting higher levels of AST/ALT, higher tissue damage, significant weight loss, and earlier death. An increased depletion of B and T lymphocytes, NKT cells, dendritic cells, and macrophages was observed 48 h postinfection (PI) in IL-33 KO mice than that in WT mice...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28606651/mechanisms-of-bile-acid-mediated-inflammation-in-the-liver
#10
REVIEW
Man Li, Shi-Ying Cai, James L Boyer
Bile acids are synthesized in the liver and are the major component in bile. Impaired bile flow leads to cholestasis that is characterized by elevated levels of bile acid in the liver and serum, followed by hepatocyte and biliary injury. Although the causes of cholestasis have been extensively studied, the molecular mechanisms as to how bile acids initiate liver injury remain controversial. In this chapter, we summarize recent advances in the pathogenesis of bile acid induced liver injury. These include bile acid signaling pathways in hepatocytes as well as the response of cholangiocytes and innate immune cells in the liver in both patients with cholestasis and cholestatic animal models...
June 9, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28596503/significance-of-nlda-the-commixed-index-of-inflammation-immune-responses-hemostasis-and-nutrition-for-predicting-metastatic-non-small-cell-lung-cancer-prognosis-and-metastases
#11
Wen-Wen Sun, Jia-An Hu, Wen-Quan Niu, Bei-Li Gao, Zhi-Hong Xu
PURPOSE: This study aimed to take a comprehensive review of the hematological indexes and discover a novel, comprehensive, and economical index for prognostic prediction. RESULTS: The predictive prognostic model revealed that an elevated value of NLDA (NLDA = neutrophil count/lymphocyte count × D-dimer count/albumin) was an independent risk factor for one-year adverse prognosis (hazard ratio = 3.038; 95% confidence interval [CI], 1.959-4.712; P < 0.001). The C-indexes of internal and external validation in nomogram were 0...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28584400/compound-48-80-a-mast-cell-degranulator-causes-oxidative-damage-by-enhancing-vitamin-c-synthesis-via-reduced-glutathione-depletion-and-lipid-peroxidation-through-neutrophil-infiltration-in-rat-livers
#12
Yosihiji Ohta, Koji Yashiro, Koji Ohashi, Yosuke Horikoshi, Chiaki Kusumoto, Tatsuya Matsura
In this study, we examined whether compound 48/80 (C48/80), a mast cell degranulator, causes hepatic oxidative damage in rats. Serum and liver biochemical parameters were determined 0.5, 3 or 6 h after a single treatment with C48/80 (0.75 mg/kg). Serum histamine and serotonin levels increased 0.5 h after C48/80 treatment but diminished thereafter. Increases in serum vitamin C (VC) and transaminases and hepatic hydrogen peroxide, lipid peroxide, and myeloperoxidase levels and a decrease in hepatic reduced glutathione level occurred 0...
May 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28579346/combined-spontaneous-bacterial-empyema-and-peritonitis-in-cirrhotic-patients-with-ascites-and-hepatic-hydrothorax
#13
Anwar Mohamed, Mohammed Atef, Ayman Alsebaey, Mahmoud Musa Elhabshy, Mohsen Salama
BACKGROUND AND STUDY AIMS: Spontaneous bacterial empyema (SBEM) is an underestimated condition in patients with ascites and hepatic hydrothorax with a high mortality. This study aimed to find whether spontaneous bacterial peritonitis (SBP) is a prerequisite for SBEM. PATIENTS AND METHODS: 3000 HCV-related cirrhotic patients with ascites and hydrothorax were screened for the presence of SBP (ascitic fluid neutrophils >250/mm(3)) and SBEM (positive pleural fluid culture and neutrophils >250/mm(3) or negative pleural fluid culture and neutrophils >500/mm(3) with no evidence of pneumonia/parapneumonic effusion on chest radiograph or CT)...
June 1, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28578410/resveratrol-pretreatment-attenuates-concanavalin-a-induced-hepatitis-through-reverse-of-aberration-in-the-immune-response-and-regenerative-capacity-in-aged-mice
#14
Tse-Hung Huang, Chin-Chang Chen, Hsuan-Miao Liu, Tzung-Yan Lee, Sue-Heui Shieh
Loss of regenerative capacity plays a critical role in age-related autoimmune hepatitis. Evidence implicates SIRT1 and p66(shc) in cell senescence, apoptosis, oxidative stress, and proliferation. This study investigated the effect of resveratrol on concanavalin A (Con A)-induced hepatitis in aged mice and the roles of SIRT1 and p66(shc). Aged mice were administrated resveratrol (30 mg/kg orally) seven times at an interval of 12 h before a single intravenous injection of Con A (20 mg/kg). Results showed that the cytokines, TNF-α, IL-6, IFN-γ, and MCP-1, as well as infiltration of macrophages, neutrophils, and T lymphocytes in liver were dramatically enhanced in the mice given only Con A...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28571746/experimental-theileria-lestoquardi-infection-in-sheep-biochemical-and-hematological-changes
#15
Saeed Yaghfoori, Mehrdad Mohri, Gholamreza Razmi
Malignant theileriosis (Theileria lestoquardi infection) is a hemoparasitic tick-borne disease that affects both wild and domestic small ruminants. The aim of this study was to evaluate biochemical and hematological characteristics of sheep after being experimentally infected by T. lestoquardi. T. lestoquardi infection was induced in seven Baluchi sheep of six-to-eight months old via experimentally-infected Hyalomma anatolicum adult ticks. Biochemical and hematological parameters were measured twice a week during the three weeks' post infection...
May 29, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28564127/impact-of-terlipressin-infusion-during-and-after-live-donor-liver-transplantation-on-incidence-of-acute-kidney-injury-and-neutrophil-gelatinase-associated-lipocalin-serum-levels-a-randomized-controlled-trial
#16
Mohamed Abdelrauf Kandil, Khalid Mousa Abouelenain, Ayman Alsebaey, Hanaa Said Rashed, Mohamed Helmi Afifi, Mohamed Abdelmoneem Mahmoud, Khaled Ahmed Yassen
Acute kidney injury (AKI) with liver transplantation is not uncommon. Impact of Terlipressin infusion on AKI, haemodynamics and plasma concentration of Neutrophil Gelatinase Associated Lipocalin (NGAL) was studied METHODS: Patients (n=50) were randomized (NCT02059460, USA) into 2 equal groups; Terlipressin vs Controls. Terlipressin (1-4 μg/kg/h) was administrated for 5 days. Intraoperative Transoesophageal Doppler for haemodynamic management. Renal functions, peak portal vein blood flow velocity (PPV) and hepatic artery resistive index (HARI) were recorded...
May 31, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28560358/hepatocyte-specific-expression-of-constitutively-active-alk5-exacerbates-thioacetamide-induced-liver-injury-in-mice
#17
Wanthita Kongphat, Arnon Pudgerd, Somyoth Sridurongrit
While Transforming growth factor-βs (Tgf-βs) have been known to play an important role in liver fibrosis through an activation of Hepatic Stellate Cells (HSC), their fibrotic role on hepatocytes in liver damage has not been addressed thoroughly. To shed more light on the hepatocyte-specific role of Tgf-β signaling during liver fibrosis, we generated transgenic mice expressing constitutively active Tgf-β type I receptor Alk5 under the control of albumin promoter. Uninjured mice with increased Tgf-β/Alk5 signaling in hepatocytes (caAlk5/Alb-Cre mice) did not show characteristics related to hepatocyte death, fibrosis and inflammation...
May 2017: Heliyon
https://www.readbyqxmd.com/read/28554055/graphene-oxide-as-an-efficient-antimicrobial-nanomaterial-for-eradicating-multi-drug-resistant-bacteria-in-vitro-and-in-vivo
#18
Xu Wu, Shirui Tan, Yuqian Xing, Qinqin Pu, Min Wu, Julia Xiaojun Zhao
Graphene is a novel two-dimensional nanomaterial with a growing number of practical applications across numerous fields. In this work, we explored potential biomedical applications of graphene oxide (GO) by systematically studying antibacterial capacity of GO in both macrophages and animal models. Three types of bacteria, including Klebsiella pneumoniae (Kp), Escherichia coli (E. coli) and P. aeruginosa (Pa) were used for in vitro study. Kp was also selected as a representative multidrug resistant (MDR) bacterium for in vivo study...
May 17, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28551669/effects-of-preoperative-neutrophil-to-lymphocyte-and-platelet-to-lymphocyte-ratios-on-survival-in-patients-with-extrahepatic-cholangiocarcinoma
#19
Yuki Kitano, Yo-Ichi Yamashita, Kensuke Yamamura, Kota Arima, Takayoshi Kaida, Tatsunori Miyata, Shigeki Nakagawa, Kosuke Mima, Katsunori Imai, Daisuke Hashimoto, Akira Chikamoto, Hideo Baba
BACKGROUND/AIM: As indicators of systemic inflammatory response, the neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) predict prognoses for various cancers. This study investigated their prognostic significance in extrahepatic cholangiocarcinoma (ECC). PATIENTS AND METHODS: We analyzed 120 patients who underwent surgery for ECC between 2000 and 2014. We calculated preoperative NLR and PLR and evaluated their correlations with patients' clinicopathological features and prognosis...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28550122/the-blood-borne-sialyltransferase-st6gal-1-is-a-negative-systemic-regulator-of-granulopoiesis
#20
Christopher W L Dougher, Alexander Buffone, Michael J Nemeth, Mehrab Nasirikenari, Eric E Irons, Paul N Bogner, Joseph T Y Lau
Responding to systemic demands in producing and replenishing end-effector blood cells is predicated on the appropriate delivery and interpretation of extrinsic signals to the HSPCs. The data presented herein implicate the systemic, extracellular form of the glycosyltransferase ST6Gal-1 in the regulation of late-stage neutrophil development. ST6Gal-1 is typically a membrane-bound enzyme sequestered within the intracellular secretory apparatus, but an extracellular form is released into the blood from the liver...
May 26, 2017: Journal of Leukocyte Biology
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