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https://www.readbyqxmd.com/read/29151280/oral-nutritional-supplementation-in-patients-undergoing-peritoneal-dialysis-a-randomised-crossover-pilot-study
#1
Karen M Salamon, Kelly Lambert
BACKGROUND: Malnutrition is a significant problem in those undergoing peritoneal dialysis (PD). Factors such as gastrointestinal (GI) symptoms and the need for a fluid reduced diet can limit tolerance and thereby the efficacy of oral nutritional supplements to treat malnutrition. OBJECTIVES: To evaluate the acceptability and impact of two different forms of oral nutrition supplementation for 16 weeks on nutritional markers and quality of life of malnourished patients undergoing PD...
November 19, 2017: Journal of Renal Care
https://www.readbyqxmd.com/read/29151248/adiponectin-and-vitamin-d-binding-protein-are-independently-associated-at-birth-in-both-mothers-and-neonates
#2
Spyridon N Karras, Stergios Α Polyzos, Danforth A Newton, Carol L Wagner, Bruce W Hollis, Jody van den Ouweland, Erdinc Dursun, Duygu Gezen-Ak, Kalliopi Kotsa, Cedric Annweiler, Declan P Naughton
CONTEXT: Adult body fat is associated with birth anthropometry, suggesting a role for metabolic regulators including vitamin D and the adipokines-adiponectin and irisin-which have been reported to interact but, as yet, data remain controversial. OBJECTIVE: To study (i) the relationship between vitamin D, its binding protein (VDBP) and the adipokines, adiponectin, and irisin in mothers and neonates at birth and (ii) their effects on neonate anthropometric outcomes...
November 18, 2017: Endocrine
https://www.readbyqxmd.com/read/29150906/pretreatment-advanced-lung-cancer-inflammation-index-ali-for-predicting-early-progression-in-nivolumab-treated-patients-with-advanced-non-small-cell-lung-cancer
#3
Takayuki Shiroyama, Hidekazu Suzuki, Motohiro Tamiya, Akihiro Tamiya, Ayako Tanaka, Norio Okamoto, Kenji Nakahama, Yoshihiko Taniguchi, Shun-Ichi Isa, Takako Inoue, Fumio Imamura, Shinji Atagi, Tomonori Hirashima
Programmed death-ligand 1 (PD-L1) expression status is inadequate for indicating nivolumab in patients with non-small cell lung cancer (NSCLC). Because the baseline advanced lung cancer inflammation index (ALI) is reportedly associated with patient outcomes, we investigated whether the pretreatment ALI is prognostic in NSCLC patients treated with nivolumab. We retrospectively reviewed the medical records of all patients treated with nivolumab for advanced NSCLC between December 2015 and May 2016 at three Japanese institutes...
November 18, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29150749/study-on-the-interaction-of-paeoniflorin-with-human-serum-albumin-hsa-by-spectroscopic-and-molecular-docking-techniques
#4
Liang Xu, Yan-Xi Hu, Yan-Cheng Li, Yu-Feng Liu, Li Zhang, Hai-Xin Ai, Hong-Sheng Liu
The interaction of paeoniflorin with human serum albumin (HSA) was investigated using fluorescence, UV-vis absorption, circular dichroism (CD) spectra and molecular docking techniques under simulative physiological conditions. The results clarified that the fluorescence quenching of HSA by paeoniflorin was a static quenching process and energy transfer as a result of a newly formed complex (1:1). Paeoniflorin spontaneously bound to HSA in site I (subdomain IIA), which was primarily driven by hydrophobic forces and hydrogen bonds (ΔH° = - 9...
November 17, 2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/29150244/proteomic-analysis-of-follicular-fluid-from-tropically-adapted-goats
#5
Alexandre R Paula Junior, Mauricio F van Tilburg, Marina D P Lobo, Ana C O Monteiro-Moreira, Renato A Moreira, Carlos H S Melo, Joanna M G Souza-Fabjan, Airton A Araújo, Luciana M Melo, Dárcio I A Teixeira, Arlindo A Moura, Vicente J F Freitas
The present study was conducted to characterize the major proteome of ovarian follicular fluid from locally-adapted, "Canindé" goats in the northeast of Brazil. Eight estrous cycling goats received a hormonal treatment consisting of medroxyprogesterone acetate, D-cloprostenol and FSH. Fluid was collected by laparoscopy from small (<3mm), medium (3-4mm) and large (>4mm) follicles and then, proteins were analyzed by 2-D SDS-PAGE and tandem mass spectrometry. Thirty-six proteins were identified in the goat follicular fluid, including albumin, immunoglobulins, ceruloplasmin, complement factor B, alpha-1B-glycoprotein precursor, serotransferrin, complement C3 and serpins, among others...
November 6, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29150049/generation-of-advanced-glycation-end-products-ages-by-glycoxidation-mediated-by-copper-and-ros-in-a-human-serum-albumin-hsa-model-peptide-reaction-mechanism-and-damage-in-motor-neuron-cells
#6
Caroline Martins Sandanielo Marques, Emilene Arusievicz Nunes, Larissa Lago, Cibele Nicolaski Pedron, Tânia Maria Manieri, Roseli Hiromi Sato, Vani Xavier Oliveira, Giselle Cerchiaro
Glucose, in the presence of reactive oxygen species (ROS), acts as an as an oxidative agent and drives deleterious processes in Diabetes Mellitus. We have studied the mechanism and the toxicological effects of glucose-dependent glycoxidation reactions driven by copper and ROS, using a model peptide based on the exposed sequence of Human Serum Albumin (HSA) and containing a lysine residue susceptible to copper complexation. The main products of these reactions are Advanced Glycation End-products (AGEs). Carboxymethyl lysine and pyrraline condensed on the model peptide, generating a Modified Peptide (MP)...
December 2017: Mutation Research
https://www.readbyqxmd.com/read/29149728/tuning-magnetic-relaxation-properties-of-hard-cores-in-core-shell-colloids-by-modification-of-soft-shell
#7
Nataliya Shamsutdinova, Rustem Zairov, Irek Nizameev, Aidar Gubaidullin, Alsu Mukhametshina, Sergey Podyachev, Ildus Ismayev, Marsil Kadirov, Alexandra Voloshina, Timur Mukhametzyanov, Asiya Mustafina
The present work introduces an impact of polyelectrolyte-based hydrophilic shell on magnetic relaxivity and luminescence of hard cores built from isostructural complexes of Tb(III) and Gd(III) in the core-shell aqueous colloids. Microscopic and scattering techniques reveal "plum pudding" morphology of the colloids, where polyelectrolyte-coated ultrasmall (<5nm) hard cores form aggregates in aqueous solutions. Interaction of bovine serum albumin (BSA) with the colloids provides a tool to modify the polyelectrolyte-based shell, which is the reason for the improvement in both aggregation behavior of the colloids and their relaxivity...
November 11, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29149510/transferrin-as-a-predictor-of-survival-in-cirrhosis
#8
André Viveiros, Armin Finkenstedt, Benedikt Schaefer, Mattias Mandorfer, Bernhard Scheiner, Konrad Lehner, Moritz Tobiasch, Thomas Reiberger, Herbert Tilg, Michael Edlinger, Heinz Zoller
BACKGROUND AND AIMS: Patients with cirrhosis frequently present with high serum ferritin and low transferrin concentrations, reflecting impaired liver function and inflammation. Recent studies have shown that transferrin and its saturation with iron are MELD-independent predictors of mortality in patients with acute on chronic liver failure or decompensated cirrhosis. The aim of this study was to evaluate the prognostic utility of serum iron parameters in relation to markers of liver function and immune activation...
November 17, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/29149247/quantitative-proteomic-profiling-of-bovine-follicular-fluid-during-follicle-development
#9
Rodrigo de Andrade Ferrazza, Elizabeth Moreira Dos Santos Schmidt, Monika Mihm Carmichael, Fabiana Ferreira de Souza, Richard Burchmore, Roberto Sartori, Peter David Eckersall, João Carlos Pinheiro Ferreira
Bovine follicular fluid (FF) constitutes the microenvironment of follicles and includes various biologically active proteins. We performed a study involving 18 healthy non-lactating Holstein cows to determine the protein expression profile of FF at key-stages of follicular development. Follicles were individually aspirated in vivo at pre-deviation (F1∼7.0mm); deviation (F1∼8.5mm); post-deviation (F1∼12.0mm); and pre-ovulatory stages of follicle development, which were confirmed by measurement of follicular estradiol and progesterone concentrations...
November 15, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29148816/assessment-of-anti-piperacillin-igg-binding-to-structurally-related-drug-protein-adducts
#10
Mohammed Amali, Rosalind Jenkins, Xioali Meng, Lee Faulkner, Paul Whitaker, Daniel Peckham, B Kevin Park, Dean John Naisbitt
The risk of developing hypersensitivity to alternative antibiotics is a concern for penicillin hypersensitive patients and healthcare pro-viders. Herein we use piperacillin hypersensitivity as a model to explore the reactivity of drug-specific IgG against alternative β-lactam protein adducts. Mass spectrometry was used to show the drugs (amoxicillin, flucloxacillin, benzyl penicillin, aztreonam and pipera-cillin) bind to similar lysine residues on the protein carrier bovine serum albumin. However, the hapten-specific IgG antibodies found in piperacillin hypersensitive patient plasma did not bind to other β-lactam protein conjugates...
November 17, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/29148726/a-novel-approach-for-99mtc-labeling-of-red-blood-cells-evaluation-of-99mtc-4saboroxime-as-a-blood-pool-imaging-agent
#11
Min Liu, Zuoquan Zhao, Wei Fang, Shuang Liu
Angiography with radiolabeled red blood cells (RBCs) plays an important role in diagnosis and prognosis in vascular diseases. Both in vitro and in vivo methods have been developed for 99mTc-labeling of RBCs. However, these methods are complicated and lack of reproducibility. Therefore, it is highly desirable to develop an alternative method for routine 99mTc-labeling of RBCs. In this report, we present a novel approach for 99mTc-labeling of RBCs. We prepared a new 99mTc(III) radiotracer [99mTcCl(CDO)(CDOH)2B-4AS] (99mTc-4ASboroxime: 4AS-B(OH)2 = 4-aminosulfonylphenyl)boronic acid, and CDOH2 = cyclohexanedione dioxime) in >95% radiochemical purity...
November 17, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29148053/effective-inactivation-of-a-wide-range-of-viruses-by-pasteurization
#12
Albrecht Gröner, Connie Broumis, Randel Fang, Thomas Nowak, Birgit Popp, Wolfram Schäfer, Nathan J Roth
BACKGROUND: Careful selection and testing of plasma reduces the risk of blood-borne viruses in the starting material for plasma-derived products. Furthermore, effective measures such as pasteurization at 60°C for 10 hours have been implemented in the manufacturing process of therapeutic plasma proteins such as human albumin, coagulation factors, immunoglobulins, and enzyme inhibitors to inactivate blood-borne viruses of concern. A comprehensive compilation of the virus reduction capacity of pasteurization is presented including the effect of stabilizers used to protect the therapeutic protein from modifications during heat treatment...
November 16, 2017: Transfusion
https://www.readbyqxmd.com/read/29148022/hemodialysis-versus-peritoneal-dialysis-an-observational-study-in-two-international-centers
#13
Renhua Lu, Carla Estremadoyro, Xiaohuan Chen, Mingli Zhu, Leonardo C Ribeiro, Yucheng Yan, Alessandra Brendolan, Wei Fang, Carlo Crepaldi, Zhaohui Ni, Leyi Gu, Claudio Ronco
INTRODUCTION: Given that it is difficult to randomize end-stage renal disease (ESRD) patients to either hemodialysis (HD) or peritoneal dialysis (PD), differences between these renal replacement therapy (RRT) modalities are of major interest and remain controversial. METHODS: All data on maintenance dialysis patients during 2009 to 2013 in the Renji Hospital in Shanghai, China and in the San Bortolo Hospital in Vicenza, Italy were selected. Patients who changed their therapy from HD to PD or PD to HD during this study were excluded...
November 8, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29147940/interaction-of-proteins-with-ionic-liquid-alcohol-and-dmso-and-in-situ-generation-of-gold-nano-clusters-in-a-cell
#14
REVIEW
Somen Nandi, Sridip Parui, Ritaban Halder, Biman Jana, Kankan Bhattacharyya
In this review, we give a brief overview on how the interaction of proteins with ionic liquids, alcohols and dimethyl sulfoxide (DMSO) influences the stability, conformational dynamics and function of proteins/enzymes. We present experimental results obtained from fluorescence correlation spectroscopy on the effect of ionic liquid or alcohol or DMSO on the size (more precisely, the diffusion constant) and conformational dynamics of lysozyme, cytochrome c and human serum albumin in aqueous solution. The interaction of ionic liquid with biomolecules (e...
November 16, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/29147723/desorption-kinetics-of-organic-chemicals-from-albumin
#15
Sophia Krause, Nadin Ulrich, Kai-Uwe Goss
When present in blood, most chemicals tend to bind to the plasma protein albumin. For distribution into surrounding tissues, desorption from albumin is necessary, because only the unbound form of a chemical is assumed to be able to cross cell membranes. For metabolism of chemicals, the liver is a particularly important organ. One potentially limiting step for hepatic uptake of the chemicals is desorption from albumin, because blood passes the human liver within seconds. Desorption kinetics from albumin can thus be an important parameter for our pharmacokinetic and toxicokinetic understanding of chemicals...
November 16, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29147647/serum-albumin-is-independently-associated-with-persistent-organ-failure-in-acute-pancreatitis
#16
Wandong Hong, Suhan Lin, Maddalena Zippi, Wujun Geng, Simon Stock, Zarrin Basharat, Bicheng Cheng, Jingye Pan, Mengtao Zhou
Background and Aims: To investigate the association between serum albumin levels within 24 hrs of patient admission and the development of persistent organ failure in acute pancreatitis. Methods: A total of 700 patients with acute pancreatitis were enrolled. Multivariate logistic regression and subgroup analysis determined whether decreased albumin was independently associated with persistent organ failure and mortality. The diagnostic performance of serum albumin was evaluated by the area under Receiver Operating Characteristic (ROC) curves...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29147572/association-of-neutrophil-to-lymphocyte-ratio-with-inflammation-and-erythropoietin-resistance-in-chronic-dialysis-patients
#17
Jérôme Pineault, Caroline Lamarche, Robert Bell, Jean-Philippe Lafrance, Georges Ouellet, Martine Leblanc, Vincent Pichette, Sarah Bezzaoucha, Michel Vallée
Background: Neutrophil-to-lymphocyte ratio (NLR) was widely studied as a prognostic marker in various medical and surgical specialties, but its significance in nephrology is not yet established. Objective: We evaluated its accuracy as an inflammation biomarker in a dialysis population. Design setting: Single-center retrospective study. Patients: The records of all 550 patients who were treated with hemodialysis (HD) or peritoneal dialysis (PD) from September 2008 to March 2011 were included...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29147098/purification-and-anti-pathogenic-properties-of-immunoglobulin-concentrates-from-porcine-blood
#18
Tae-Hwan Jung, Jae-Hwan Choi, Kyung-Chul Koh, Woo-Min Jeon, Kyoung-Sik Han
During slaughtering, animal blood is typically discarded, resulting in water pollution. However, this discarded blood has valuable components, such as immunoglobulin (Ig). Although several studies have been conducted to develop methods for effective recycling of slaughterhouse blood, they have not been commercially utilized in Korea. Here, we extracted an Ig-rich fraction from porcine blood that was then subjected to various in vitro tests, including pathogen growth inhibition, antigenic cross-reactivity, and anti-toxin activity...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/29147074/increased-levels-of-srage-in-diabetic-ckd-g5d-patients-a-potential-protective-mechanism-against-age-related-upregulation-of-fibroblast-growth-factor-23-and-inflammation
#19
Elena Dozio, Valentina Corradi, Elena Vianello, Elisa Scalzotto, Massimo de Cal, Massimiliano Marco Corsi Romanelli, Claudio Ronco
Advanced glycation end products (AGEs) may induce cardiac remodeling in kidney disease by promoting fibroblast growth factor 23 (FGF-23) expression. Since AGEs are increased in diabetes mellitus (DM), our first aim was to evaluate the existence of any potential association between AGEs, FGF-23, inflammation, and increased cardiovascular risk in DM patients on dialysis (CKD-G5D). Secondarily, we explored the potential role of the soluble receptor for AGEs (sRAGE) as a marker of heart failure. Levels of glycated albumin (GA), sRAGE, c-terminal FGF-23 (cFGF-23), brain natriuretic peptide (BNP), and inflammatory mediators were compared between DM and non-DM CKD-G5D patients...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29147016/observation-of-dielectric-universalities-in-albumin-cytochrome-c-and-shewanella-oneidensis-mr-1-extracellular-matrix
#20
K A Motovilov, M Savinov, E S Zhukova, A A Pronin, Z V Gagkaeva, V Grinenko, K V Sidoruk, T A Voeikova, P Yu Barzilovich, A K Grebenko, S V Lisovskii, V I Torgashev, P Bednyakov, J Pokorný, M Dressel, B P Gorshunov
The electrodynamics of metals is well understood within the Drude conductivity model; properties of insulators and semiconductors are governed by a gap in the electronic states. But there is a great variety of disordered materials that do not fall in these categories and still respond to external field in an amazingly uniform manner. At radiofrequencies delocalized charges yield a frequency-independent conductivity σ 1(ν) whose magnitude exponentially decreases while cooling. With increasing frequency, dispersionless conductivity starts to reveal a power-law dependence σ 1(ν)∝ν (s) with s < 1 caused by hopping charge carriers...
November 16, 2017: Scientific Reports
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