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https://www.readbyqxmd.com/read/28938478/roux-en-y-gastric-bypass-surgery-has-unique-effects-on-postprandial-fgf21-but-not-fgf19-secretion
#1
Lydia-Ann L S Harris, Gordon I Smith, Bettina Mittendorfer, J Christopher Eagon, Adewole L Okunade, Bruce W Patterson, Samuel Klein
Context: Fibroblast growth factors (FGF) 19 and FGF21 are secreted by the intestine and liver in response to macronutrient intake. Intestinal resection and reconstruction via bariatric surgery may alter their regulation. Objective: We tested the hypothesis that weight loss induced by Roux-en-Y gastric bypass (RYGB) surgery, but not matched weight loss induced by laparoscopic adjustable gastric banding (LAGB), increases postprandial plasma FGF19 and FGF21 concentrations...
August 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28937551/frequency-of-severe-infusion-reactions-associated-with-outpatient-infusion-of-infliximab-without-premedications
#2
Stephanie Q Hutsell, May Wu, K T Park
In this report, we describe incremental changes, during a 2-year period at a single center with the administration of maintenance infliximab infusions. Given practice-driven changes consisting of 1-hour infusions and omission of premedications, we aimed to investigate if these changes contributed to severe infusion reactions. We reviewed approximately 900 infliximab infusions in a pediatric ambulatory infusion center from January 1, 2014, to December 31, 2015, for severe adverse reactions requiring either rescue epinephrine or a code blue or "rapid response" activation...
October 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28935038/bone-marrow-derived-tenascin-c-attenuates-cardiac-hypertrophy-by-controlling-inflammation
#3
Lei Song, Lai Wang, Fuqiang Li, Ada Yukht, Minghui Qin, Haley Ruther, Mingjie Yang, Aurelio Chaux, Prediman K Shah, Behrooz G Sharifi
BACKGROUND: Tenascin-C (TNC) is a highly conserved matricellular protein with a distinct expression pattern during development and disease. Remodeling of the left ventricle (LV) in response to pressure overload leads to the re-expression of the fetal gene program. OBJECTIVES: The aim of this study was to investigate the function of TNC in cardiac hypertrophy in response to pressure overload. METHODS: Pressure overload was induced in TNC knockout and wild-type mice by constricting their abdominal aorta or by infusion of angiotensin II...
September 26, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28930834/allergic-shock-caused-by-ingestion-of-cooked-jellyfish-a-case-report
#4
Zhixing Li, Xungang Tan, Botao Yu, Renliang Zhao
RATIONALE: Although anaphylaxis caused by jellyfish stings is common in coastal areas, an allergic shock caused by cooked jellyfish ingestion has never been reported in China. In this paper, we report a case of allergic shock being caused by ingestion of cooked salt-preserved jellyfish shortly after being stung by a live jellyfish. PATIENT CONCERNS: A 26-year-old Chinese man presented with dizziness, pruritus, dyspnea, hypotension, and tachycardia after eating cooked salted jellyfish...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28927824/cellular-therapy-for-multiple-pathogen-infections-after-hematopoietic-stem-cell-transplant
#5
REVIEW
Gaurav Sutrave, Emily Blyth, David J Gottlieb
Hematopoietic stem cell transplantation (HSCT) represents the only crative treatment option for many hematological conditions but results in a profound T-cell deficiency in the post-HSCT period. Infections account for a significant proportion of non-relapse morbidity and mortality, and infections with multiple organisms either simultaneously or at different times after transplant are common. Adoptive cellular therapy (ACT) with prophylactic or therapeutic infusion of donor derived or third-party, pathogen-specific T-cells represents a novel methodology to rapidly reconstitute T-cell mediated immunity in this context...
September 15, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28927772/-antiglomerular-basement-disease-in-children-literature-review-and-therapeutic-options
#6
G Dorval, S Guérin, L Berteloot, S Krid, R Salomon, L Galmiche-Rolland, O Boyer
Antiglomerular basement membrane glomerulonephritis is a rare autoimmune disease characterized by rapidly progressive glomerulonephritis that may be associated with pulmonary hemorrhage (Goodpasture syndrome). The disease is caused by autoantibodies (classically IgGs) directed against the α3 subunit of type IV collagen. This is a rare disease in the adult population and extremely rare in children, with a reported cumulative annual incidence at 1/10(6) people/year. Among scarce reported pediatric cases (n=31), most are girls (M/F sex ratio, 1:4), and the mean age at diagnoses is 9...
September 15, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28924484/diabetic-ketoacidosis-producing-extreme-hyperkalemia-in-a-patient-with-type-1-diabetes-on-hemodialysis
#7
Hodaka Yamada, Shunsuke Funazaki, Masafumi Kakei, Kazuo Hara, San-E Ishikawa
Diabetic ketoacidosis (DKA) is a critical complication of type 1 diabetes associated with water and electrolyte disorders. Here, we report a case of DKA with extreme hyperkalemia (9.0 mEq/L) in a patient with type 1 diabetes on hemodialysis. He had a left frontal cerebral infarction resulting in inability to manage his continuous subcutaneous insulin infusion pump. Electrocardiography showed typical changes of hyperkalemia, including absent P waves, prolonged QRS interval and tented T waves. There was no evidence of total body water deficit...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28923105/genetic-engineering-of-human-nk-cells-to-express-cxcr2-improves-migration-to-renal-cell-carcinoma
#8
Veronika Kremer, Maarten Ligtenberg, Rosa Zendehdel, Christina Seitz, Annet Duivenvoorden, Erik Wennerberg, Eugenia Colón, Ann-Helén Scherman-Plogell, Andreas Lundqvist
BACKGROUND: Adoptive natural killer (NK) cell transfer is being increasingly used as cancer treatment. However, clinical responses have so far been limited to patients with hematological malignancies. A potential limiting factor in patients with solid tumors is defective homing of the infused NK cells to the tumor site. Chemokines regulate the migration of leukocytes expressing corresponding chemokine receptors. Various solid tumors, including renal cell carcinoma (RCC), readily secrete ligands for the chemokine receptor CXCR2...
September 19, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28922734/persistent-antidepressant-effect-of-low-dose-ketamine-and-activation-in-the-supplementary-motor-area-and-anterior-cingulate-cortex-in-treatment-resistant-depression-a-randomized-control-study
#9
Mu-Hong Chen, Cheng-Ta Li, Wei-Chen Lin, Chen-Jee Hong, Pei-Chi Tu, Ya-Mei Bai, Chih-Ming Cheng, Tung-Ping Su
A single low-dose ketamine infusion exhibited a rapid antidepressant effect within 1h. Despite its short biological half-life (approximately 3h), the antidepressant effect of ketamine has been demonstrated to persist for several days. However, changes in brain function responsible for the persistent antidepressant effect of a single low-dose ketamine infusion remain unclear METHODS: Twenty-four patients with treatment-resistant depression (TRD) were randomized into three groups according to the treatment received: 0...
September 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28919304/safety-of-novel-liposomal-drugs-for-cancer-treatment-advances-and-prospects
#10
REVIEW
Keyu He, Meng Tang
Liposome is a kind of prospective abiotic drug delivery system for cancer treatment. Novel liposomes modified with PEG, cationic lipids and highly selective molecules achieve better stability, half-life and selectivity as well as less severe side effects. However, novel liposomes are still not nontoxic. PEG on the surface of liposomes interfere the combination of cancer cells and drugs. Cationic liposomes can induce oxidative damage and cytotoxicity to normal tissues. To further improve the safety of liposomal drugs, liposomal drugs must be highly selective to cancer tissues and cancer cells, at the same time, induce minimum damage to normal cells...
September 15, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28913501/acute-poisoning-due-to-ingestion-of-datura-stramonium-a-case-report
#11
Sebastian Daniel Trancă, Robert Szabo, Mihaela Cociş
Datura stramonium (DS) is a widespread annual plant, containing atropine, hyoscyamine, and scopolamine, which can produce poisoning with a severe anticholinergic syndrome. Teenagers ingest the roots, seeds or the entire plant to obtain its hallucinogenic and euphoric effects. We presented the case of a 22 year old male who was admitted to the Emergency Room in a coma after consuming Datura stramonium, 2 hours earlier. The patient presented with fever, tachycardia with right bundle branch block, and urinary retention...
April 2017: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28900710/coupling-matrix-assisted-ionization-with-high-resolution-mass-spectrometry-and-electron-transfer-dissociation-to-characterize-intact-proteins-and-post-translational-modifications
#12
Bingming Chen, Christopher B Lietz, Lingjun Li
Matrix-assisted ionization (MAI) is a recently developed ionization technique that produces multiply charged ions on either electrospray ionization (ESI) or matrix-assisted laser desorption/ionization (MALDI) platform without the need of high voltage or laser ablation. In this study, MAI has been coupled to a high resolution accurate mass (HRAM) hybrid instrument, the Orbitrap Elite mass spectrometer, with electron transfer dissociation (ETD) module for fast peptide and intact protein characterization. The softness of MAI process preserves labile post-translational modifications (PTM) and allows fragmentation and localization by ETD...
September 12, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28890850/minimum-infusion-rate-and-adrenocortical-function-after-continuous-infusion-of-the-novel-etomidate-analog-et-26-hcl-in-rats
#13
Junli Jiang, Bin Wang, Zhaoqiong Zhu, Jun Yang, Jin Liu, Wensheng Zhang
BACKGROUND: Because etomidate induces prolonged adrenal suppression, even following a single bolus, its use as an infused anesthetic is limited. Our previous study indicated that a single administration of the novel etomidate analog methoxyethyletomidate hydrochloride (ET-26-HCl) shows little suppression of adrenocortical function. The aims of the present study were to (1) determine the minimum infusion rate of ET-26-HCl and compare it with those for etomidate and cyclopropyl-methoxycarbonylmetomidate (CPMM), a rapidly metabolized etomidate analog that is currently in clinical trials and (2) to evaluate adrenocortical function after a continuous infusion of ET-26-HCl as part of a broader study investigating whether this etomidate analog is suitable for long infusion in the maintenance of anesthesia...
2017: PeerJ
https://www.readbyqxmd.com/read/28888430/vacuum-facilitated-infusion-of-bioactives-into-yeast-microcarriers-evaluation-of-a-novel-encapsulation-approach
#14
Stephen Young, Sharleen Dea, Nitin Nitin
Encapsulation into yeast microcarriers provides an appealing alternative to biomimetic systems by employing natural, pre-formed vehicles for the stabilization and delivery of bioactives compounds. However, current (diffusion-limited) methods of encapsulation using yeast require long time scales and heating which lead to poor encapsulation efficiencies and yields. This study evaluates the usage of vacuum infusion to encapsulate two model bioactives, curcumin and fisetin, into yeast and yeast cell wall particles and the physical parameters, e...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28887561/enhancement-of-extinction-memory-by-pharmacological-and-behavioral-interventions-targeted-to-its-reactivation
#15
Josué Haubrich, Adriano Machado, Flávia Zacouteguy Boos, Ana P Crestani, Rodrigo O Sierra, Lucas de Oliveira Alvares, Jorge A Quillfeldt
Extinction is a process that involves new learning that inhibits the expression of previously acquired memories. Although temporarily effective, extinction does not erase an original fear association. Since the extinction trace tends to fade over time, the original memory can resurge. On the other hand, strengthening effects have been described in several reconsolidation studies using different behavioral and pharmacological manipulations. In order to know whether an extinction memory can be strengthened by reactivation-based interventions in the contextual fear conditioning task, we began by replicating the classic phenomenon of spontaneous recovery to show that brief reexposure sessions can prevent the decay of the extinction trace over time in a long-lasting way...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28882191/effects-of-sustained-i-c-v-infusion-of-lupus-csf-and-autoantibodies-on-behavioral-phenotype-and-neuronal-calcium-signaling
#16
Minesh Kapadia, Dunja Bijelić, Hui Zhao, Donglai Ma, Ljudmila Stojanovich, Milena Milošević, Pavle Andjus, Boris Šakić
Systemic lupus erythematosus (SLE) is a potentially fatal autoimmune disease that is often accompanied by brain atrophy and diverse neuropsychiatric manifestations of unknown origin. More recently, it was observed that cerebrospinal fluid (CSF) from patients and lupus-prone mice can be neurotoxic and that acute administration of specific brain-reactive autoantibodies (BRAs) can induce deficits in isolated behavioral tasks. Given the chronic and complex nature of CNS SLE, the current study examines broad behavioral performance and neuronal Ca(2+) signaling in mice receiving a sustained infusion of cerebrospinal fluid (CSF) from CNS SLE patients and putative BRAs (anti-NR2A, anti-ribosomal P, and anti-α-tubulin)...
September 7, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28881714/the-4-plus-2-rituximab-protocol-makes-maintenance-treatment-unneeded-in-patients-with-refractory-anca-associated-vasculitis-a-10-years-observation-study
#17
Dario Roccatello, Savino Sciascia, Daniela Rossi, Mirella Alpa, Carla Naretto, Massimo Radin, Roberta Fenoglio, Simone Baldovino, Elisa Menegatti
BACKGROUND: ANCA associated vasculitides (AAV) often present with a chronic relapsing course. Relapse leads to increased immunosuppressive exposure and consequent toxicity. While two randomized controlled trials have shown rituximab (RTX) to be the most effective induction treatment in patients with relapsing disease, the optimal treatment duration and RTX dose remain debated. Whether to administer a maintenance dose to every patient, at a fixed time interval or on the basis of B cell count and ANCA titre or only when disease manifestations do occur is still debated as well...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28877748/a-pilot-clinical-trial-of-recombinant-human-angiotensin-converting-enzyme-2-in-acute-respiratory-distress-syndrome
#18
Akram Khan, Cody Benthin, Brian Zeno, Timothy E Albertson, John Boyd, Jason D Christie, Richard Hall, Germain Poirier, Juan J Ronco, Mark Tidswell, Kelly Hardes, William M Powley, Tracey J Wright, Sarah K Siederer, David A Fairman, David A Lipson, Andrew I Bayliffe, Aili L Lazaar
BACKGROUND: Renin-angiotensin system (RAS) signaling and angiotensin-converting enzyme 2 (ACE2) have been implicated in the pathogenesis of acute respiratory distress syndrome (ARDS). We postulated that repleting ACE2 using GSK2586881, a recombinant form of human angiotensin-converting enzyme 2 (rhACE2), could attenuate acute lung injury. METHODS: We conducted a two-part phase II trial comprising an open-label intrapatient dose escalation and a randomized, double-blind, placebo-controlled phase in ten intensive care units in North America...
September 7, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28877216/an-in-vitro-lung-model-to-assess-true-shunt-fraction-by-multiple-inert-gas-elimination
#19
Balamurugan Varadarajan, Andreas Vogt, Volker Hartwich, Rakesh Vasireddy, Jolanda Consiglio, Beate Hugi-Mayr, Balthasar Eberle
The Multiple Inert Gas Elimination Technique, based on Micropore Membrane Inlet Mass Spectrometry, (MMIMS-MIGET) has been designed as a rapid and direct method to assess the full range of ventilation-to-perfusion (V/Q) ratios. MMIMS-MIGET distributions have not been assessed in an experimental setup with predefined V/Q-distributions. We aimed (I) to construct a novel in vitro lung model (IVLM) for the simulation of predefined V/Q distributions with five gas exchange compartments and (II) to correlate shunt fractions derived from MMIMS-MIGET with preset reference shunt values of the IVLM...
2017: PloS One
https://www.readbyqxmd.com/read/28875426/analysis-of-proteins-protein-complexes-and-organellar-proteomes-using-sheathless-capillary-zone-electrophoresis-native-mass-spectrometry
#20
Arseniy M Belov, Rosa Viner, Marcia R Santos, David M Horn, Marshall Bern, Barry L Karger, Alexander R Ivanov
Native mass spectrometry (MS) is a rapidly advancing field in the analysis of proteins, protein complexes, and macromolecular species of various types. The majority of native MS experiments reported to-date has been conducted using direct infusion of purified analytes into a mass spectrometer. In this study, capillary zone electrophoresis (CZE) was coupled online to Orbitrap mass spectrometers using a commercial sheathless interface to enable high-performance separation, identification, and structural characterization of limited amounts of purified proteins and protein complexes, the latter with preserved non-covalent associations under native conditions...
September 5, 2017: Journal of the American Society for Mass Spectrometry
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