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https://www.readbyqxmd.com/read/28436661/performance-of-van-der-waals-corrected-functionals-for-guest-adsorption-in-the-m2-dobdc-metal-organic-frameworks
#1
Bess Vlaisavljevich, Johanna M Huck, Zeric Hulvey, Kyuho Lee, Jarad A Mason, Jeffrey B Neaton, Jeffrey R Long, Craig M Brown, Dario Alfè, Angelos Michaelides, Berend Smit
Small molecule binding in metal-organic frameworks (MOFs) can be accurately studied both experimentally and computationally, provided the proper tools are employed. Herein, we compare and contrast properties associated with guest binding by means of density functional theory (DFT) calculations using nine different functionals for the M2(dobdc) (dobdc4- = 2,5-dioxido,1,4-benzenedicarboxylate) series where M = Mg, Mn, Fe, Co, Ni, Cu, and Zn. Additionally, we perform Quantum Monte Carlo (QMC) calculations for one system to determine if this method can be used to assess the performance of DFT...
April 24, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28431003/intracoronary-autologous-bone-marrow-cell-transfer-after-myocardial-infarction-the-boost-2-randomised-placebo-controlled-clinical-trial
#2
Kai C Wollert, Gerd P Meyer, Jochen Müller-Ehmsen, Carsten Tschöpe, Vernon Bonarjee, Alf Inge Larsen, Andreas E May, Klaus Empen, Emmanuel Chorianopoulos, Ulrich Tebbe, Johannes Waltenberger, Heiko Mahrholdt, Benedikta Ritter, Jens Pirr, Dieter Fischer, Mortimer Korf-Klingebiel, Lubomir Arseniev, Hans-Gert Heuft, Jan E Brinchmann, Diethelm Messinger, Bernd Hertenstein, Arnold Ganser, Hugo A Katus, Stephan B Felix, Meinrad P Gawaz, Kenneth Dickstein, Heinz-Peter Schultheiss, Dennis Ladage, Simon Greulich, Johann Bauersachs
Aims: Intracoronary infusion of autologous nucleated bone marrow cells (BMCs) enhanced the recovery of left ventricular ejection fraction (LVEF) after ST-segment elevation myocardial infarction (STEMI) in the randomised-controlled, open-label BOOST trial. We reassessed the therapeutic potential of nucleated BMCs in the randomised placebo-controlled, double-blind BOOST-2 trial conducted in 10 centres in Germany and Norway. Methods and results: Using a multiple arm design, we investigated the dose-response relationship and explored whether γ-irradiation which eliminates the clonogenic potential of stem and progenitor cells has an impact on BMC efficacy...
April 19, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28422386/corticosteroid-could-possibly-reduce-serum-levels-of-pro-inflammatory-cytokines-in-fulminant-hepatitis-a-case-series
#3
Keiichi Fujiwara, Seiji Hida, Shin Yasui, Osamu Yokosuka, Shigeto Oda
AIM: There are no beneficial therapies except for emergency liver transplantation for acute liver failure (ALF). However, in Japan where a serious problem of a shortage of donor livers still remains, therapies other than transplantation must be further investigated for patients with ALF. Pro-inflammatory cytokines promoting tissue destruction are predominant at an early phase of ALF. Corticosteroid (CS) influences monocyte/macrophage differentiation, by suppressing pro-inflammatory genes, indicating CS treatment might be beneficial during the early phase of ALF...
April 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28417882/easl-clinical-practical-guidelines-on-the-management-of-acute-fulminant-liver-failure
#4
(no author information available yet)
The term acute liver failure (ALF) is frequently applied as a generic expression to describe patients presenting with or developing an acute episode of liver dysfunction. In the context of hepatological practice, however, ALF refers to a highly specific and rare syndrome, characterised by an acute abnormality of liver blood tests in an individual without underlying chronic liver disease. The disease process is associated with development of a coagulopathy of liver aetiology, and clinically apparent altered level of consciousness due to hepatic encephalopathy...
May 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28413835/mirna-signatures-can-predict-acute-liver-failure-in-hepatitis-e-infected-pregnant-females
#5
Nirupma Trehanpati, Rashi Sehgal, Sharda Patra, Ashish Vyas, Madavan Vasudevan, Ritu Khosla, Arshi Khanam, Guresh Kumar, Rakhi Maiwall, Gayatri Ramakrishna, Shyam Kottilil, Shiv Kumar Sarin
BACKGROUND: Acute viral hepatitis E (AVH-E) can often result in acute liver failure (ALF) during pregnancy. microRNAs serve as mediators in drug induced liver failure. We investigated their role as a biomarker in predicting ALF due to HEV (ALF-E). METHODS: We performed next generation sequencing and subsequent validation studies in PBMCs of pregnant (P) self limiting AVH-E, ALF due to HEV (ALF-E) and compared with AVH-E in non-pregnant (NP) females and healthy controls...
April 2017: Heliyon
https://www.readbyqxmd.com/read/28411097/-acute-liver-failure-related-to-inherited-metabolic-diseases-in-young-children
#6
Filipa Dias Costa, Rita Moinho, Sandra Ferreira, Paula Garcia, Luísa Diogo, Isabel Gonçalves, Carla Pinto
INTRODUCTION: Pediatric acute liver failure (ALF) due to inherited metabolic diseases (IMD) is a rare life-threatening condition with a poor prognosis. Early intervention may be lifesaving. OBJECTIVE: To describe clinical presentation, investigation and outcomes of ALF related to IMD in young children. MATERIAL AND METHODS: Retrospective review of the medical records of children aged up to 24 months, admitted to a tertiary pediatric and neonatal Intensive Care Unit during a 27-year period, fulfilling the ALF criteria, with documented metabolic etiology...
April 11, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28405746/structured-models-of-cell-migration-incorporating-molecular-binding-processes
#7
Pia Domschke, Dumitru Trucu, Alf Gerisch, Mark A J Chaplain
The dynamic interplay between collective cell movement and the various molecules involved in the accompanying cell signalling mechanisms plays a crucial role in many biological processes including normal tissue development and pathological scenarios such as wound healing and cancer. Information about the various structures embedded within these processes allows a detailed exploration of the binding of molecular species to cell-surface receptors within the evolving cell population. In this paper we establish a general spatio-temporal-structural framework that enables the description of molecular binding to cell membranes coupled with the cell population dynamics...
April 12, 2017: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/28402735/microhardness-and-roughness-of-infiltrated-white-spot-lesions-submitted-to-different-challenges
#8
É Y Neres, M D Moda, E K Chiba, Alf Briso, J P Pessan, T C Fagundes
A white spot lesion is the first clinical sign of a caries lesion and represents mineral loss from the enamel subsurface. The purpose of this study was to evaluate the microhardness and surface roughness of white spot lesions after application of a resin infiltrant and subjection to different challenges. Caries-like lesions were induced in bovine enamel discs (n=50), and the specimens were randomly divided into five study groups (n=10): demineralized enamel (negative control, G1), infiltrated enamel (G2), infiltrated enamel submitted to brushing (G3), infiltrated enamel submitted to pH cycling (G4), and infiltrated enamel submitted to artificial aging (G5)...
April 12, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28400249/similarity-of-osmoregulatory-capacity-in-coastal-and-inland-alligator-gar
#9
Peter J Allen, Alf Haukenes, Steve E Lochmann
The alligator gar Atractosteus spatula is a primitive fish species, occupying a wide range of temperature and salinity habitats. Long-distance movements are limited, leading to genetic differentiation between inland and coastal populations. Unknown is whether physiological capacity differs between geographically separated populations, particularly for traits important to osmoregulation in saline environments. Alligator gar from inland and coastal populations were reared in a similar environment and exposed to temperature (10, 30°C) and salinity (0, 20ppt) extremes to determine whether iono- and osmoregulatory ability differed between populations...
April 8, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28395968/-aetiology-outcomes-and-prognostic-indicators-of-paediatric-acute-liver-failure
#10
Juan José Gilbert Pérez, Belén Jordano Moreno, Mónica Rodríguez Salas
INTRODUCTION: Acute liver failure (ALF) is a multisystem disease with severe impairment of liver function of acute onset. The Paediatric End-stage Liver Disease (PELD) score is used as a predictor of mortality in chronic liver disease, however experience is limited in ALF. OBJECTIVES: To evaluate the aetiology and outcomes of children with ALF in a Children's Liver Transplant Centre, and to investigate the validity of PELD as a prognostic indicator. PATIENTS AND METHODS: A retrospective study was conducted on patients diagnosed with ALF in our hospital from 2000 to 2013 using the criteria of the Paediatric ALF Study Group...
April 7, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28379590/hepatotoxicity-of-paracetamol-and-related-fatalities
#11
R Tittarelli, M Pellegrini, M G Scarpellini, E Marinelli, V Bruti, N M di Luca, F P Busardò, S Zaami
Paracetamol, also known as acetaminophen, is the most commonly used antipyretic and pain reliever and since 1955 it is available over-the-counter as a single formulation or in combination with other substances and, as indicated by the World Health Organization, it can be used in all the three steps of pain intensity. Paracetamol toxicity is one of the most common causes of poisoning worldwide. While paracetamol is described as relatively nontoxic when administered in therapeutic doses, it is known to cause toxicity when taken in a single or repeated high dose, or after chronic ingestion...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28379482/investigating-proteins-and-proteases-composing-amniotic-and-allantoic-fluids-during-chicken-embryonic-development
#12
M Da Silva, V Labas, Y Nys, S Réhault-Godbert
In amniotes, the amniotic fluid is a significant contributor to fetal development and health. While numerous studies have been conducted in mammalian amniotic fluid, the composition of amniotic and other extraembryonic fluids in avian egg along with their physiological functions remain largely unexplored. In such a context, our objective was to characterize the chicken amniotic fluid (AmF) and allantoic fluid (AlF) properties, protein composition, and some associated functions from day 8 to day 16 of incubation...
March 31, 2017: Poultry Science
https://www.readbyqxmd.com/read/28375815/maryland-s-medical-orders-for-life-sustaining-treatment-form-use-reports-of-a-statewide-survey
#13
Anita J Tarzian, Nadia B Cheevers
BACKGROUND: Advance directives (ADs) and Physicians Orders for Life-Sustaining Treatment (POLST) orders perform different but complementary functions in documenting a patient's treatment preferences and translating them into actionable orders that change in keeping with the patient's evolving clinical picture. Maryland's Medical Orders for Life-Sustaining Treatment (MOLST) form developed through a stakeholder-driven process that deviates from other POLST forms. While a patient or surrogate can decline discussing MOLST orders with a clinician, clinicians must write MOLST orders for certain patients (e...
April 4, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28373877/mycobacterium-tuberculosis-cell-wall-fragments-released-upon-bacterial-contact-with-the-human-lung-mucosa-alter-the-neutrophil-response-to-infection
#14
Julia M Scordo, Jesús Arcos, Holden V Kelley, Lauren Diangelo, Smitha J Sasindran, Ellie Youngmin, Mark D Wewers, Shu-Hua Wang, Joan-Miquel Balada-Llasat, Jordi B Torrelles
In 2016, the World Health Organization reported that one person dies of tuberculosis (TB) every 21 s. A host environment that Mycobacterium tuberculosis (M.tb) finds during its route of infection is the lung mucosa bathing the alveolar space located in the deepest regions of the lungs. We published that human lung mucosa, or alveolar lining fluid (ALF), contains an array of hydrolytic enzymes that can significantly alter the M.tb surface during infection by cleaving off parts of its cell wall. This interaction results in two different outcomes: modifications on the M...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28363639/increased-expression-of-ctla4-by-t-cells-induced-by-b7-in-sera-reduces-adaptive-immunity-in-patients-with-acute-liver-failure
#15
Wafa Khamri, Robin D Abeles, Tie Zheng Hou, Amy E Anderson, Ahmed El-Masry, Evangelos Triantafyllou, Christine Bernsmeier, Fin S Larsen, Arjuna Singanayagam, Nobuaki Kudo, Lucia A Possamai, Fanny Lebosse, Georg Auzinger, William Bernal, Christopher Willars, Christopher J Weston, Giovanna Lombardi, Julia Wendon, Mark Thursz, Charalambos G Antoniades
BACKGROUND & AIMS: Patients with acute liver failure (ALF) have defects in innate immune responses to microbes (immuneparesis) and are susceptible to sepsis. Cytotoxic T-lymphocyte associated protein 4 (CTLA4), which interacts with the membrane receptor B7 (also called CD80 and CD86), is a negative regulator of T-cell activation. We collected T cells from patients with ALF and investigated whether inhibitory signals downregulate adaptive immune responses in patients with ALF. METHODS: We collected peripheral blood mononuclear cells from patients with ALF and controls from September 2013 through September 2015 (45 patients with ALF, 20 patients with acute-on-chronic liver failure, 15 patients with cirrhosis with no evidence of acute decompensation, 20 patients with septic shock but no cirrhosis or liver disease, and 20 healthy individuals)...
March 28, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28359977/report-of-novel-h105r-d29n-v27a-mutations-in-the-methyltransferase-region-of-the-hev-genome-in-patients-with-acute-liver-failure
#16
Jayanta Borkakoti, Giasuddin Ahmed, Arvind Rai, Premashis Kar
BACKGROUND: The Hepatitis E virus (HEV) has been responsible for major outbreaks in the developing countries affecting millions of people and acute sporadic hepatitis worldwide. The HEV methyltransferase is important for capping the 5'-end of the viral pregenomic RNA which is critical for viral infection. OBJECTIVES: We aimed to assess the substitutional profile in the HEV methyltransferase region in patients with acute liver failure (ALF) and acute viral hepatitis (AVH) from North Indian population and associate the substitutions with the poor outcome of the disease...
March 20, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28356438/googling-service-boundaries-for-endovascular-clot-retrieval-hub-hospitals-in-a-metropolitan-setting-proof-of-concept-study
#17
Thanh G Phan, Richard Beare, Jian Chen, Benjamin Clissold, John Ly, Shaloo Singhal, Henry Ma, Velandai Srikanth
BACKGROUND AND PURPOSE: There is great interest in how endovascular clot retrieval hubs provide services to a population. We applied a computational method to objectively generate service boundaries for such endovascular clot retrieval hubs, defined by traveling time to hub. METHODS: Stroke incidence data merged with population census to estimate numbers of stroke in metropolitan Melbourne, Australia. Traveling time from randomly generated addresses to 4 endovascular clot retrieval-capable hubs (Royal Melbourne Hospital [RMH], Monash Medical Center [MMC], Alfred Hospital [ALF], and Austin Hospital [AUS]) estimated using Google Map application program interface...
March 29, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28336726/proteomic-signature-of-acute-liver-failure-from-discovery-and-verification-in-a-pig-model-to-confirmation-in-humans
#18
Jie Wang, Zeyu Sun, Jing Jiang, Daxian Wu, Xiaoli Liu, Zhongyang Xie, Ermei Chen, Danhua Zhu, Chao Ye, Xiaoqian Zhang, Wenqian Chen, Hongcui Cao, Lanjuan Li
Acute liver failure (ALF) is a fatal condition hallmarked by rapid development. The present study aimed to describe the dynamic alterations of serum proteins associated with ALF development, and to seek for novel biomarkers of ALF. Miniature pigs (n=30) were employed to establish ALF models by infusing D-galactosamine (GALN, 1.3g/kg). A total of 1589 serum proteins were compared in pooled serum samples (n=10) before and 36 hours after GALN administration through label-free quantitation (LFQ) based shotgun proteomics...
March 23, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28331420/serum-procalcitonin-in-patients-with-acute-liver-failure
#19
Takaaki Sugihara, Masahiko Koda, Toshiaki Okamoto, Kenichi Miyoshi, Tomomitsu Matono, Kenji Oyama, Keiko Hosho, Jun-Ichi Okano, Hajime Isomoto
BACKGROUND: Procalcitonin (PCT) is a known diagnostic marker of bacterial infection. There are no previous reports of PCT concerning acute liver failure (ALF). We evaluated the clinical value of serum PCT levels in patients with ALF. METHODS: Forty-four patients with acute hepatitis (19 men and 25 women; median age, 40 years; range, 20-79 years) were retrospectively enrolled from January 2001 and June 2015. PCT levels were measured by saved serum samples obtained within 3 days after admission...
March 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28329297/association-of-mutations-in-tlr2-signaling-genes-with-fulminant-form-of-hepatitis-b-related-acute-liver-failure
#20
Yue Han, Leilei Gu, Jing Liu, Xinhua Li, Mingjie Wang, Qiming Gong, Demin Yu, Zhitao Yang, Donghua Zhang, Huijuan Yang, Zhongliang Shen, Hongguang Zhu, Youhua Xie, Xinxin Zhang
Background: Fulminant form of hepatitis B related acute liver failure (FHB-ALF) is a rare but highly fatal outcome of acute hepatitis B virus (HBV) infection. Its related host factors have not been studied. Methods.: To identify functionally relevant biological pathway(s) in FHB-ALF pathogenesis, pathway enrichment analysis was conducted on a dataset of rare case-specific variants derived from exomic sequencing of ten unrelated cases. Key variants in identified pathways were validated using 312 HBV disease controls...
February 21, 2017: Journal of Infectious Diseases
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