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https://www.readbyqxmd.com/read/29785034/trophic-overlap-between-expanding-and-contracting-fish-predators-in-a-range-margin-undergoing-change
#1
Mats Westerbom, Antti Lappalainen, Olli Mustonen, Alf Norkko
Climate change is predicted to cause a freshening of the Baltic Sea, facilitating range expansions of freshwater species and contractions of marine. Resident marine flounders (Platichthys flesus) and expansive freshwater roach (Rutilus rutilus) are dominant consumers in the Baltic Sea sublittoral where they occur in partial sympatry. By comparing patterns of resource use by flounders and roach along a declining resource gradient of blue mussels (Mytilus trossulus) our aim was to explore predator functional responses and the degree of trophic overlap...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29778771/do-serum-markers-of-liver-fibrosis-vary-by-hcv-infection-in-patients-with-alcohol-use-disorder
#2
Arantza Sanvisens, Alvaro Muñoz, Ferran Bolao, Paola Zuluaga, Magí Farré, Inmaculada Jarrin, Jordi Tor, Roberto Muga
INTRODUCTION: HCV infection is frequent in patients with alcohol use disorder (AUD). Ethanol and hepatitis C have a synergistic effect that increases the risk of end-stage liver disease. We aimed to assess fibrosis of the liver in patients admitted to treatment of AUD. METHODS: Data were collected in two hospital units between 2000 and 2014. Liver fibrosis was assessed by serum biomarkers APRI, FIB-4 and Forns, and Advanced Liver Fibrosis (ALF) was defined if APRI > 1...
May 16, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29777796/identification-of-a-sodium-pump-na-k-atpase-%C3%AE-1-targeted-peptide-for-pet-imaging-of-breast-cancer
#3
Qian Wang, Shi-Bing Li, Yi-Ying Zhao, Da-Nian Dai, Hui Du, Yan-Zhu Lin, Jia-Cong Ye, Jing Zhao, Wei Xiao, Yan Mei, Yi-Tai Xiao, Shi-Chu Liu, Yan Li, Yun-Fei Xia, Er-Wei Song, Gang-Hua Tang, Wei-Guang Zhang, Zhi-Jiang Li, Xiao-Bin Zheng, De-Hai Cao, Man-Zhi Li, Qian Zhong, Zhong-Ping Chen, Chao-Nan Qian, Wei Fan, Guo-Kai Feng, Mu-Sheng Zeng
The sodium pump Na+ /K+ ATPase a1 subunit(NKA a1), an attractive cancer-related biomarker and therapeutic target, is closely related to the development and progression of several cancers including breast cancer. Currently, a NKA a1 inhibitor, UNBS1450, has already evidenced its great therapeutic potential in personalized cancer treatment. The ability of non-invasive imaging of NKA a1 expression would be useful for selecting cancer patients who may benefit from this drug. Here, we identified an S3 peptide that is specifically homed to breast cancer by phage display...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29775111/tamoxifen-prevents-d-galactosamine-lipopolysaccharide-induced-murine-acute-hepatic-failure-through-inhibition-of-oxidative-stress-and-mmd-2-upregulation
#4
Xiaoxue Gong, Peng Cao, Liping Liu, Yan Lin, Qing Yang, Linyu Zhou, Tianen Wu, Mansheng Luo
Oxidative stress is considered one of the major mechanisms underlying lipopolysaccharide (LPS)-induced acute liver failure (ALF). Tamoxifen has been reported to ameliorate LPS-induced ALF via the induction of monocyte to macrophage differentiation-associated 2 (Mmd-2). Whether antioxidant effects are involved remains unknown. Mice were given tamoxifen (TAM) once a day for 3 days. Twelve hours later, d-galactosamine (GaIN) and LPS were injected intraperitoneally to induce ALF. N-Acetylcysteine (NAC) was administered immediately after ALF induction as a positive control...
May 18, 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29773221/are-there-distinct-forms-of-accelerated-forgetting-and-if-so-why
#5
Andrew R Mayes, Nicola M Hunkin, Claire Isaac, Nils Muhlert
Whether accelerated long-term forgetting (ALF) and classic organic amnesia, particularly hippocampal-amnesia, differ qualitatively or merely quantitatively is disputed. Qualitative difference accounts postulate that ALF patients show normal recall memory for at least minutes, during which hippocampal-amnesics already show accelerated forgetting and impaired recall but, thereafter, ALF patients show accelerated forgetting and impaired delayed recall. These delayed impairments may be more severe than those shown by hippocampal-amnesics...
April 19, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29771702/pathogenesis-of-cerebral-edema-in-patients-with-acute-renal-and-liver-failure-and-the-role-of-the-nephrologist-in-the-management
#6
Tamim Hamdi
PURPOSE OF REVIEW: Acute liver failure (ALF) is a severe and complex illness and one of the most daunting conditions managed in the ICU. Because the renal care is intertwined with multiple disciplines, the aim of this review is to examine the multifactorial pathogenesis of cerebral edema in ALF, covering basic established facts as well as recent advances in our understanding of this condition. RECENT FINDINGS: Acetaminophen remains the most common cause of ALF in the United States and many European countries...
May 15, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29765548/transformation-of-mouse-t-cells-requires-myc-and-akt-activity-in-conjunction-with-inhibition-of-intrinsic-apoptosis
#7
Kari Högstrand, Stephanie Darmanin, TachaZi Plym Forshell, Alf Grandien
Peripheral T-cell lymphoma is an aggressive non-Hodgkin's lymphoma characterized by excessive proliferation of transformed mature T cells. The number and nature of genetic aberrations required and sufficient for transformation of normal T cells into lymphomas is unknown. Here, using a combinatorial in vitro -approach, we demonstrate that overexpression of MYC together with activated AKT in conditions of inhibition of intrinsic apoptosis rapidly resulted in transformation of mature mouse T cells with a frequency approaching 100%...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29764807/predicting-the-presence-of-oral-squamous-cell-carcinoma-using-commonly-dysregulated-microrna-in-oral-swirls
#8
Tami Yap, Kendrick Koo, Lesley Cheng, Laura J Vella, Andrew F Hill, Eric C Reynolds, Alf L Nastri, Nicola Cirillo, Christine A Seers, Michael McCullough
Oral swirls are a noninvasive, rapidly collected source of salivary microRNA potentially useful in the early detection of disease states, particularly oral squamous cell carcinoma (OSCC). The aim of this study was to predict the presence of oral squamous cell carcinoma using a panel of OSCC-related dysregulated microRNA found in oral swirls, identified jointly in data from formalin-fixed paraffin embedded (FFPE) and fresh frozen specimens. Next generation sequencing (NGS) was used to determine microRNA fold changes in FFPE OSCC specimens relative to histologically normal epithelium...
May 15, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29763497/additively-manufactured-titanium-and-cobalt-chromium-implant-frameworks-fit-and-effect-of-ceramic-veneering
#9
Per Svanborg, Alf Eliasson, Victoria Stenport
PURPOSE: The purpose of this study was to evaluate the fit of additively manufactured cobalt-chromium and titanium and CNC-milled titanium frameworks before and after ceramic veneering. MATERIALS AND METHODS: Ten stone casts simulating an edentulous maxilla provided with six abutment analogs were produced. For each stone cast, one additively manufactured cobalt-chromium framework (AM CoCr) and one titanium framework (AM Ti) were fabricated. The fit was analyzed with a coordinate measuring machine in three dimensions (x, y, and z axes) using best-fit virtual matching of center point coordinates, before and after ceramic veneering...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29757429/allofinder-a-strategy-for-allosteric-modulator-discovery-and-allosterome-analyses
#10
Min Huang, Kun Song, Xinyi Liu, Shaoyong Lu, Qiancheng Shen, Renxiao Wang, Jingze Gao, Yuanyuan Hong, Qian Li, Duan Ni, Jianrong Xu, Guoqiang Chen, Jian Zhang
Allostery tweaks innumerable biological processes and plays a fundamental role in human disease and drug discovery. Exploration of allostery has thus been regarded as a crucial requirement for research on biological mechanisms and the development of novel therapeutics. Here, based on our previously developed allosteric data and methods, we present an interactive platform called AlloFinder that identifies potential endogenous or exogenous allosteric modulators and their involvement in human allosterome. AlloFinder automatically amalgamates allosteric site identification, allosteric screening and allosteric scoring evaluation of modulator-protein complexes to identify allosteric modulators, followed by allosterome mapping analyses of predicted allosteric sites and modulators in human proteome...
May 11, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29746357/simulating-the-role-of-the-parent-promoting-family-centered-nursing-care
#11
Elizabeth Zimmermann, Celeste M Alfes
Parents of hospitalized children need support to diminish their own fear and anxiety and provide safe and loving care for the child. Baccalaureate nursing students, who are rarely parents themselves, often find it difficult to understand the needs of parents. An innovative simulation strategy was created to enhance students' understanding of the parent's role and its effect on family-centered care. This article describes the development of pediatric simulation experiences that actively incorporate the role of a parent...
May 9, 2018: Nursing Education Perspectives
https://www.readbyqxmd.com/read/29746101/systematic-approach-to-organizing-structural-alerts-for-reactive-metabolite-formation-from-potential-drugs
#12
Alf Claesson, Alexander Minidis
Reactive metabolites are widely accepted as playing a pivotal role in causing idiosyncratic adverse drug reactions (IDR). However, much is unknown about the biological mechanisms of IDR although the initiating event in most cases is an attachment of a reactive intermediate to macromolecules leading to immune mediated responses. Reactive metabolites are also involved in many mutagenesis/ carcinogenesis events by reacting with DNA. Drug designers thus have all reasons to make large efforts to avoid making test compounds having a liability to generate reactive metabolites...
May 10, 2018: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/29743795/prevalence-and-impact-of-bacterial-infections-in-children-with-liver-disease-a-prospective-study
#13
Rishi Bolia, Anshu Srivastava, Rungmei Marak, Surender K Yachha, Ujjal Poddar
Background and aims: Risk of infections is increased in patients with Acute Liver Failure (ALF) and Decompensated Chronic Liver Disease (DCLD). We evaluated the frequency, site, type and risk-factors for bacterial infections in children with ALF and DCLD and its effect on outcome. Methods: ALF or DCLD children were enrolled prospectively. Clinical and laboratory details were recorded. Cultures (blood, urine and ascites) and chest X-ray were done at admission followed by weekly surveillance cultures...
March 2018: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/29739623/accelerated-long-term-forgetting-after-tia-or-minor-stroke-a-more-sensitive-measure-for-detecting-subtle-memory-dysfunction
#14
Sofie Geurts, Sieberen P van der Werf, Vincent I H Kwa, Roy P C Kessels
Cognitive changes after minor stroke or TIA have been reported, with studies describing a 'vascular' cognitive profile with spared episodic memory. Still, many patients also report memory complaints. Studies using long-term forgetting paradigms have detected memory impairment after prolonged intervals in contrast to standard delayed testing in other patient groups. This study examined whether accelerated long-term forgetting (ALF) is present in patients with minor stroke or TIA by comparing one-week delayed recall and recognition with the performance of a healthy control group...
April 12, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29735790/comparison-of-dynamic-changes-among-various-prognostic-scores-in-viral-hepatitis-related-acute-liver-failure
#15
Shalimar -, Ujjwal Sonika, Saurabh Kedia, Soumya J Mahapatra, Baibaswata Nayak, Dawesh P Yadav, Deepak Gunjan, Bhaskar Thakur, Harpreet Kaur, Subrat K Acharya
INTRODUCTION AND AIM: Multiple prognostic scores are available for acute liver failure (ALF). Our objective was to compare the dynamicity of model for end stage liver disease (MELD), MELD-sodium, acute liver failure early dynamic model (ALFED), chronic liver failure (CLIF)-consortium ACLF score and King's College Hospital Criteria (KCH) for predicting outcome in ALF. MATERIALS AND METHODS: All consecutive patients with ALF at a tertiary care centre in India were included...
April 9, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29735782/an-overview-of-liver-transplant-pathology-data-from-a-tertiary-referral-centre-in-western-india
#16
Fiona Fonseca, Bijal Kulkarni, Meenal Hastak, Vinay Kumaran, Vibha Varma, Sorabh Kapoor
INTRODUCTION AND AIM: 1. Study of liver explants - Etiologic types of end-stage chronic liver disease (ESCLD) and acute liver failure (ALF) in adults and children. 2. Assessment of donor steatosis and incidental granulomas. 3. Post-transplant liver biopsies. MATERIAL AND METHODS: Specimens of 180 explant hepatectomies, 173 donor wedge and 30 core liver biopsies, and 58 post transplant liver biopsies received in our department from April 2013 to March 2017. RESULTS: 1...
April 9, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29732274/clinical-hepatocyte-transplantation-what-is-next
#17
James E Squires, Kyle A Soltys, Patrick McKiernan, Robert H Squires, Stephen C Strom, Ira J Fox, Alejandro Soto-Gutierrez
Purpose of review: Significant recent scientific developments have occurred in the field of liver repopulation and regeneration. While techniques to facilitate liver repopulation with donor hepatocytes and different cell sources have been studied extensively in the laboratory, in recent years clinical hepatocyte transplantation (HT) and liver repopulation trials have demonstrated new disease indications and also immunological challenges that will require the incorporation of a fresh look and new experimental approaches...
December 2017: Current Transplantation Reports
https://www.readbyqxmd.com/read/29732007/dwi-histology-a-possible-means-of-determining-degree-of-liver-fibrosis
#18
Niklas Verloh, Kirsten Utpatel, Michael Haimerl, Florian Zeman, Claudia Fellner, Marc Dahlke, Philipp Renner, Timo Seyfried, Martina Müller, Christian Stroszczynski, Matthias Evert, Philipp Wiggermann
Objectives: The aim of this study was to determine the diagnostic value of diffusion-weighted MRI of the liver at 3T to classify liver fibrosis/cirrhosis. Methods: 62 patients who underwent both histopathological examination and diffusion-weighted imaging of the liver via 3T MRI within a period of 3 months were included in the study. The Ishak score (1-6) was used to determine the degree of fibrosis: No liver fibrosis (NLF; Ishak 0, n = 16), mild liver fibrosis (MLF; Ishak 1-2, n = 23), advanced liver fibrosis (ALF; Ishak 3-5, n = 12), and liver cirrhosis (LC; Ishak 6, n = 11)...
April 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29731729/imagining-what-could-have-happened-types-and-vividness-of-counterfactual-thoughts-and-the-relationship-with-post-traumatic-stress-reactions
#19
Ines Blix, Alf Børre Kanten, Marianne Skogbrott Birkeland, Siri Thoresen
A growing body of research suggests that counterfactual thinking after traumatic events is associated with post-traumatic stress reactions. In this study we explored frequency of upward and downward counterfactuals in trauma-exposed individuals, and how trauma-related counterfactuals were represented in terms of vividness. We examined the relationships between vividness and frequency of counterfactual thoughts and post-traumatic stress reactions in two groups who had experienced different types of traumatic exposure, namely survivors and bereaved from the fire on the ferry Scandinavian Star in 1990...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29726081/liver-transplantation-for-neonatal-onset-citrullinemia
#20
Roshni Vara, Anil Dhawan, Maesha Deheragoda, Stephanie Grünewald, Germaine Pierre, Nigel D Heaton, Hector Vilca-Melendez, Nedim Hadžić
Citrullinemia or ASS deficiency in its classical form presents in the neonatal period with poor feeding, hyperammonemia, encephalopathy, seizures, and if untreated can be fatal. Despite advances in medical therapy, neurocognitive outcomes remain suboptimal. LT has emerged as a potential management option. A retrospective single-center review identified 7 children with a median age of 1.1 years (range, 0.6-5.8) at referral. Five children presented clinically, and 2 were treated prospectively from birth due to positive family history...
May 3, 2018: Pediatric Transplantation
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