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https://www.readbyqxmd.com/read/28220036/proposal-for-a-new-predictive-model-of-short-term-mortality-after-living-donor-liver-transplantation-due-to-acute-liver-failure
#1
Hyun Sik Chung, Yu Jung Lee, Yun Sung Jo
BACKGROUND Acute liver failure (ALF) is known to be a rapidly progressive and fatal disease. Various models which could help to estimate the post-transplant outcome for ALF have been developed; however, none of them have been proved to be the definitive predictive model of accuracy. We suggest a new predictive model, and investigated which model has the highest predictive accuracy for the short-term outcome in patients who underwent living donor liver transplantation (LDLT) due to ALF. MATERIAL AND METHODS Data from a total 88 patients were collected retrospectively...
February 21, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28215541/evaluation-of-a-combinational-use-of-serum-micrornas-as-biomarkers-for-liver-diseases
#2
Ping Xu, Anliang Guo, Junchi Xu, Jianer Yao, Hui Chen, Fengping Wang, Chuanwu Zhu
Circulating microRNAs (miRNA) have been widely recognized as a novel noninvasive biomarker in a variety of physiological and pathological conditions. In order to assess the sensitivity and reliability of potential miRNAs as diagnostic markers for liver disease related to viral infection, alcohol abuse, or chemical exposure, we collected serum samples from 326 participants and evaluated the single and combination diagnostic values of three serum miRNAs (miR-122, miR-125b, miR-192) compared with a conventional marker ALT...
February 16, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28213041/newly-identified-pctoll4-regulates-antimicrobial-peptide-expression-in-intestine-of-red-swamp-crayfish-procambarus-clarkii
#3
Ying Huang, Tingting Li, Min Jin, Shaowu Yin, Kai-Min Hui, Qian Ren
Tolls or Toll-like receptors (TLRs) have an essential role in initiating innate immune responses against pathogens. In this study, a novel Toll gene, PcToll4, was first identified from the intestinal transcriptome of the freshwater crayfish, Procambarus clarkii. The PcToll4 cDNA is 4849bp long with a 3036bp open reading frame that encodes a 1011-amino acid protein. PcToll4 contains a signal peptide, 13 LRR domains, 3 LRR TYP domains, 2 LRR CT domains, an LRR NT domain, a transmembrane region, and a TIR domain...
February 14, 2017: Gene
https://www.readbyqxmd.com/read/28208022/protein-requirements-for-critically-ill-patients-with-renal-and-liver-failure
#4
Jayshil J Patel, Craig J McClain, Menaka Sarav, Jill Hamilton-Reeves, Ryan T Hurt
Diseases leading to critical illness induce proteolysis resulting in muscle wasting and negative nitrogen balance. Muscle wasting has been associated with poor intensive care unit (ICU)-related outcomes, including an increased risk for mortality. Acute kidney injury (AKI) represents a common organ dysfunction associated with ICU-related disorders, such as sepsis, trauma, and respiratory failure. AKI and renal replacement therapy lead to amino acid loss. Decompensated liver cirrhosis (DLC) and acute liver failure (ALF) represent more severe forms of liver dysfunction leading to ICU admission...
February 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28207633/acute-liver-failure-injury-related-to-drug-reaction-with-eosinophilia-and-systemic-symptoms-outcomes-and-prognostic-factors
#5
Philippe Ichai, Astrid Laurent-Bellue, Faouzi Saliba, David Moreau, Camille Besch, Claire Francoz, Laurence Valeyrie-Allanore, Sylvie Roussin Bretagne, Marc Boudon, Teresa Maria Antonini, Florent Artru, Gabriella Pittau, Olivier Roux, Daniel Azoulay, Eric Levesque, François Durand, Catherine Guettier, Didier Samuel
BACKGROUND: Drug Reaction With Eosinophilia and Systemic Symptoms (DRESS) is a rare severe adverse drug induced reaction with multiorgan involvement. The outcome and prediction of those patients who develop severe acute liver injury (sALI) or acute liver failure (ALF) remain little known. METHODS: A multicenter retrospective study of patients admitted with a diagnosis of DRESS-related sALI or ALF. Histological review was performed on liver core biopsies from native livers...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28205121/effect-of-n-acetylcysteine-on-mortality-and-liver-transplantation-rate-in-non-acetaminophen-induced-acute-liver-failure-a-multicenter-study
#6
Samar K Darweesh, Mona F Ibrahim, Mahmoud A El-Tahawy
INTRODUCTION AND AIM: Previous studies and systematic reviews have not provided conclusive evidence on the effect of N-acetylcysteine (NAC) in non-acetaminophen-induced acute liver failure (NAI-ALF). We aimed to study the value of intravenous NAC in reducing liver transplantation and mortality in NAI-ALF. PATIENTS AND METHODS: In a prospective, multicenter, observational study, acute liver failure patients without clinical or historical evidence of acetaminophen overdose were enrolled...
February 15, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28202441/effect-of-hypohydration-on-postsynaptic-cutaneous-vasodilation-and-sweating-in-healthy-men
#7
Matthew A Tucker, Ashley Six, Nicole E Moyen, Alf Z Satterfield, Matthew S Ganio
: Hypohydration decreases cutaneous vasodilation and sweating during heat stress, but it is unknown if these decrements are from postsynaptic (i.e. sweat gland/blood vessel) alterations. PURPOSE: To determine if hypohydration affects postsynaptic cutaneous vasodilation and sweating responses. METHODS: 12 healthy men participated in euhydrated (EU) and hypohydrated (HY) trials, with hypohydration induced via fluid restriction and passive heat-stress...
February 15, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28199398/a-segmentation-based-volumetric-approach-to-localize-and-quantify-cerebral-vasospasm-based-on-tomographic-imaging-data
#8
Axel Neulen, Tobias Pantel, Michael Kosterhon, Stefanie Kirschner, Marc A Brockmann, Sven R Kantelhardt, Alf Giese, Serge C Thal
INTRODUCTION: Quantification of cerebral vasospasm after subarachnoid hemorrhage (SAH) is crucial in animal studies as well as clinical routine. We have developed a method for computer-based volumetric assessment of intracranial blood vessels from cross-sectional imaging data. Here we demonstrate the quantification of vasospasm from micro computed tomography (micro-CT) data in a rodent SAH model and the transferability of the volumetric approach to clinical data. METHODS: We obtained rodent data by performing an ex vivo micro-CT of murine brains after sham surgery or SAH by endovascular filament perforation on day 3 post hemorrhage...
2017: PloS One
https://www.readbyqxmd.com/read/28198914/action-of-vitamin-e-on-experimental-severe-acute-liver-failure
#9
Fabiano Moraes Miguel, Elizângela Gonçalves Schemitt, Josieli Raskopf Colares, Renata Minuzzo Hartmann, Maria Isabel Morgan-Martins, Norma Possa Marroni
BACKGROUND: Severe Acute Liver Failure (ALF) is a life-threatening clinical syndrome characterized by hepatocyte necrosis, loss of hepatic architecture, and impairment of liver functions. One of the main causes of ALF is hepatotoxicity from chemical agents, which damage hepatocytes and result in increase of reactive oxygen species. The vitamin E isoform is the one with the strongest biological antioxidant activity. OBJECTIVE: To evaluate the antioxidant effect of vitamin E in this ALF model...
February 13, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28197212/herbal-compound-jiedu-huayu-reduces-liver-injury-in-rats-via-regulation-of-il-2-tlr4-and-pcna-expression-levels
#10
Minggang Wang, Qinglan Shi, Rongzhen Zhang, Hua Qiu, Dewen Mao, Fuli Long
Aim of the Study. To investigate the preventative effects of Jiedu Huayu (JDHY) on D-galactosamine (D-GalN) and lipopolysaccharide-induced acute liver failure (ALF) and to evaluate the possible mechanisms of action. Materials and Methods. ALF was induced in Wistar rats by administrating D-GalN (900 mg/kg) and lipopolysaccharide (10 μg/kg). After treatment with JDHY granules, the levels of blood alanine aminotransferase, aspartate aminotransferase, total bilirubin, and prothrombin time were determined. Proliferating cell nuclear antigen was detected by immunohistochemistry staining...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28196112/the-role-of-dispersal-mode-and-habitat-specialization-for-metacommunity-structure-of-shallow-beach-invertebrates
#11
Iván F Rodil, Paloma Lucena-Moya, Henri Jokinen, Victoria Ollus, Håkan Wennhage, Anna Villnäs, Alf Norkko
Metacommunity ecology recognizes the interplay between local and regional patterns in contributing to spatial variation in community structure. In aquatic systems, the relative importance of such patterns depends mainly on the potential connectivity of the specific system. Thus, connectivity is expected to increase in relation to the degree of water movement, and to depend on the specific traits of the study organism. We examined the role of environmental and spatial factors in structuring benthic communities from a highly connected shallow beach network using a metacommunity approach...
2017: PloS One
https://www.readbyqxmd.com/read/28194962/high-speed-quantitative-uplc-ms-analysis-of-multiple-amines-in-human-plasma-and-serum-via-precolumn-derivatization-with-6-aminoquinolyl-n-hydroxysuccinimidyl-carbamate-application-to-acetaminophen-induced-liver-failure
#12
Nicola Gray, Rabiya Zia, Adam King, Vishal C Patel, Julia Wendon, Mark J W McPhail, Muireann Coen, Robert S Plumb, Ian D Wilson, Jeremy K Nicholson
A targeted reversed-phase gradient UPLC-MS/MS assay has been developed for the quantification /monitoring of 66 amino acids and amino-containing compounds in human plasma and serum using precolumn derivatization with 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate (AccQTag Ultra). Derivatization of the target amines required minimal sample preparation and resulted in analytes with excellent chromatographic and mass spectrometric detection properties. The resulting method, which requires only 10 μL of sample, provides the reproducible and robust separation of 66 analytes in 7...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28194045/deregulation-of-regulatory-t-cells-in-acute-on-chronic-liver-failure-a-rat-model
#13
Shunlan Ni, Shanshan Li, Naibin Yang, Xinyue Tang, Shengguo Zhang, Danping Hu, Mingqin Lu
Aims. Acute-on-chronic liver failure (ACLF) and acute liver failure (ALF) are similar in many respects during their acute exacerbation; however, ACLF generally has a poorer prognosis. We aimed to investigate the role and dynamic changes of regulatory T cell (Treg) and T helper 17 (Th17) cell proportions during ACLF progress. Methods. All rats were classified into two groups randomly: ACLF group and ALF group (control group). The rat model of ACLF was preestablished by intraperitoneal injection of carbon tetrachloride for 2 months...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28188875/hydrophobic-ion-pairing-key-to-highly-payloaded-self-emulsifying-peptide-drug-delivery-systems
#14
Janine Griesser, Gergely Hetényi, Michael Moser, Frédéric Demarne, Vincent Jannin, Andreas Bernkop-Schnürch
AIM: The aim of this study was the formation and characterization of various ion pairs of therapeutic peptides with different surfactants in order to reach a high payload in self-emulsifying drug delivering systems (SEDDS). METHODS: Hydrophobic ion pairs (HIP) were formed between the anionic surfactants sodium docusate, dodecylsulfate and oleate and the peptides leuprorelin (LEU), insulin (INS) and desmopressin (DES). The efficiency of HIP formation was evaluated by quantifying the amount of formed complexes, log P value determination in n-octanol/water via HPLC and zeta potential measurements...
February 7, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28179524/two-white-spot-syndrome-virus-mirnas-target-dorsal-to-promote-virus-infection-in-shrimp-marsupenaeus-japonicas
#15
Qian Ren, Xin Huang, Yalei Cui, Jiejie Sun, Wen Wang, Xiaobo Zhang
In eukaryotes, microRNAs (miRNAs) serve as regulators of many biological processes, including virus infection. A miRNA can generally target diverse genes during virus-host interactions. However, regulation of gene expression by multiple miRNAs has not yet been extensively explored during virus infection. This study found that the Spz-Toll-Dorsal-ALF signaling pathway played a very important role in antiviral immunity in shrimp (Marsupenaeus japonicus) against invasion of white spot syndrome virus (WSSV). Dorsal, the central gene in Toll pathway, was targeted by two viral miRNAs (WSSV-miR-N13 and WSSV-miR-N23) during WSSV infection...
February 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28169280/nanoscale-%C3%AF-%C3%AF-stacked-molecules-are-bound-by-collective-charge-fluctuations
#16
Jan Hermann, Dario Alfè, Alexandre Tkatchenko
Non-covalent π-π interactions are central to chemical and biological processes, yet the full understanding of their origin that would unite the simplicity of empirical approaches with the accuracy of quantum calculations is still missing. Here we employ a quantum-mechanical Hamiltonian model for van der Waals interactions, to demonstrate that intermolecular electron correlation in large supramolecular complexes at equilibrium distances is appropriately described by collective charge fluctuations. We visualize these fluctuations and provide connections both to orbital-based approaches to electron correlation, as well as to the simple London pairwise picture...
February 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/28152447/astaxanthin-pretreatment-attenuates-acetaminophen-induced-liver-injury-in-mice
#17
Jingyao Zhang, Simin Zhang, Jianbin Bi, Jingxian Gu, Yan Deng, Chang Liu
BACKGROUND: Acetaminophen (APAP) is a conventional drug widely used in the clinic because of its antipyretic-analgesic effects. However, accidental or intentional APAP overdoses induce liver injury and even acute liver failure (ALF). Astaxanthin (ASX) is the strongest antioxidant in nature that shows preventive and therapeutic properties, such as ocular protection, anti-tumor, anti-diabetes, anti-inflammatory, and immunomodulatory effects. The aim of present study was to determine whether ASX pretreatment provides protection against APAP-induced liver failure...
January 31, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28145460/caffeic-acid-cyclohexylamide-rescues-lethal-inflammation-in-septic-mice-through-inhibition-of-i%C3%AE%C2%BAb-kinase-in-innate-immune-process
#18
Jun Hyeon Choi, Sun Hong Park, Jae-Kyung Jung, Won-Jea Cho, Byeongwoo Ahn, Cheong-Yong Yun, Yong Pyo Choi, Jong Hun Yeo, Heesoon Lee, Jin Tae Hong, Sang-Bae Han, Youngsoo Kim
Targeting myeloid differentiation protein 2 (MD-2) or Toll-like receptor 4 (TLR4) with small molecule inhibitor rescues the systemic inflammatory response syndrome (SIRS) in sepsis due to infection with Gram-negative bacteria but not other microbes. Herein, we provided IκB kinase β (IKKβ) in innate immune process as a molecular target of caffeic acid cyclohexylamide (CGA-JK3) in the treatment of polymicrobial TLR agonists-induced lethal inflammation. CGA-JK3 ameliorated E. coli lipopolysaccharide (LPS, MD-2/TLR4 agonist)-induced endotoxic shock, cecal ligation and puncture (CLP)-challenged septic shock or LPS plus D-galactosamine (GalN)-induced acute liver failure (ALF) in C57BL/6J mice...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28138249/propylthiouracil-induced-liver-failure-and-artificial-liver-support-systems-a-case-report-and-review-of-the-literature
#19
Dong-Bo Wu, En-Qiang Chen, Lang Bai, Hong Tang
BACKGROUND: Antithyroid drugs carry a potential risk of hepatotoxicity. Propylthiouracil (PTU) is commonly prescribed for patients with hyperthyroidism. PTU, however, can induce liver injury, ranging from mild asymptomatic elevation of aminotransferases to acute liver failure (ALF). CASE PRESENTATION: This case reports on a 16-year-old Chinese girl with hyperthyroidism, who was admitted to our hospital for jaundice, nausea, and fatigue associated with severe hyperbilirubinemia and coagulopathy...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28133614/idiosyncratic-drug-induced-liver-injury-idili-potential-mechanisms-and-predictive-assays
#20
REVIEW
Alexander D Roth, Moo-Yeal Lee
Idiosyncratic drug-induced liver injury (IDILI) is a significant source of drug recall and acute liver failure (ALF) in the United States. While current drug development processes emphasize general toxicity and drug metabolizing enzyme- (DME-) mediated toxicity, it has been challenging to develop comprehensive models for assessing complete idiosyncratic potential. In this review, we describe the enzymes and proteins that contain polymorphisms believed to contribute to IDILI, including ones that affect phase I and phase II metabolism, antioxidant enzymes, drug transporters, inflammation, and human leukocyte antigen (HLA)...
2017: BioMed Research International
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