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Alpha-1-acid glycoprotein

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https://www.readbyqxmd.com/read/28805076/assessing-serum-metabolite-profiles-as-predictors-for-feed-efficiency-in-broiler-chickens-reared-at-geographically-distant-locations
#1
B U Metzler-Zebeli, E Magowan, M Hollmann, M E E Ball, A Molnár, P G Lawlor, R J Hawken, N E O'Connell, Q Zebeli
1. The objective of this study was to investigate differences in growth performance, serum intermediary metabolites, acute-phase-proteins and white blood cells in low, medium and high residual feed intake (RFI) chickens. It was also assessed if the environment affects the FE and FE-related performance and serum profiles of chickens. Individual BW and feed intake (FI) were recorded from d 7 of life. At 5 weeks of age, female and male broiler chickens (Cobb 500) were selected according to their RFI (L1: Austria; L2: UK; n = 9/RFI group, sex and location) and blood samples were collected...
August 14, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28794293/association-of-pulmonary-hypertension-with-inflammation-and-fluid-overload-in-hemodialysis-patients
#2
Hugo Hyung Bok Yoo, Roberto Dos Reis, Wagner Moneda Telini, Lidiane Rodrigues Telini, João Carlos Hueb, Silmeia Garcia Zanati Bazan, Pasqual Barretti, Luis Cuadrado Martin, Thais Thomaz Queluz
INTRODUCTION: Pulmonary hypertension (PH) has been reported in hemodialysis patients, but data regarding its pathogenesis are scarce. This study aimed to evaluate the role of fluid overload in PH and its interrelationships with the usual biomarkers of micro-inflammatory state in hemodialysis patients. MATERIALS AND METHODS: In is a cross-sectional and prospective study, 119 consecutive hemodialysis patients at a Brazilian referral university hospital were evaluated between March 2007 and February 2013...
July 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28782526/ascites-interferes-with-the-activity-of-lurbinectedin-and-trabectedin-potential-role-of-their-binding-to-alpha-1-acid-glycoprotein
#3
E Erba, M Romano, M Gobbi, M Zucchetti, M Ferrari, C Matteo, N Panini, B Colmegna, G Caratti, L Porcu, R Fruscio, M V Perlangeli, D Mezzanzanica, D Lorusso, F Raspagliesi, M D'Incalci
Trabectedin and its analogue lurbinectedin are effective drugs used in the treatment of ovarian cancer. Since the presence of ascites is a frequent event in advanced ovarian cancer we asked the question whether ascites could modify the activity of these compounds against ovarian cancer cells. The cytotoxicity induced by trabectedin or lurbinectedin against A2780, OVCAR-5 cell lines or primary culture of human ovarian cancer cells were compared by performing treatment in regular medium or in ascites taken from either nude mice or ovarian cancer patients...
August 3, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28763030/the-binding-effect-of-proteins-on-medications-and-its-impact-on-electrochemical-sensing-antipsychotic-clozapine-as-a-case-study
#4
George E Banis, Thomas Winkler, Patricia Barton, Sheryl E Chocron, Eunkyoung Kim, Deanna L Kelly, Gregory F Payne, Hadar Ben-Yoav, Reza Ghodssi
Clozapine (CLZ), a dibenzodiazepine, is demonstrated as the optimal antipsychotic for patients suffering from treatment-resistant schizophrenia. Like many other drugs, understanding the concentration of CLZ in a patient's blood is critical for managing the patients' symptoms, side effects, and overall treatment efficacy. To that end, various electrochemical techniques have been adapted due to their capabilities in concentration-dependent sensing. An open question associated with electrochemical CLZ monitoring is whether drug-protein complexes (i...
August 1, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28753651/schistosome-egg-antigens-including-the-glycoprotein-ipse-alpha-1-trigger-the-development-of-regulatory-b-cells
#5
Simone Haeberlein, Katja Obieglo, Arifa Ozir-Fazalalikhan, Mathilde A M Chayé, Henrike Veninga, Luciën E P M van der Vlugt, Astrid Voskamp, Louis Boon, Joke M M den Haan, Lotte B Westerhof, Ruud H P Wilbers, Arjen Schots, Gabriele Schramm, Cornelis H Hokke, Hermelijn H Smits
Infection with the helminth Schistosoma (S.) mansoni drives the development of interleukin (IL)-10-producing regulatory B (Breg) cells in mice and man, which have the capacity to reduce experimental allergic airway inflammation and are thus of high therapeutic interest. However, both the involved antigen and cellular mechanisms that drive Breg cell development remain to be elucidated. Therefore, we investigated whether S. mansoni soluble egg antigens (SEA) directly interact with B cells to enhance their regulatory potential, or act indirectly on B cells via SEA-modulated macrophage subsets...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28734272/glycosylation-patterns-of-selected-proteins-in-individual-serum-and-cerebrospinal-fluid-samples
#6
Isabella Karlsson, Lorena Ndreu, Alessandro Quaranta, Gunnar Thorsén
A method we previously developed has been applied to the determination of the glycosylation pattern of specific proteins in biological samples. Six proteins (alpha-1-antitrypsin, transferrin, haptoglobin, C1 inhibitor, alpha-1 acid glycoprotein, and immunoglobulin G) were studied in serum samples from five individuals and cerebrospinal fluid (CSF) samples from three individuals, to investigate the expected normal distribution of glycosylation patterns and to assess whether this methodology can be used to discriminate between samples from different individuals...
April 25, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28681077/direct-analysis-of-site-specific-n-glycopeptides-of-serological-proteins-in-dried-blood-spot-samples
#7
Na Young Choi, Heeyoun Hwang, Eun Sun Ji, Gun Wook Park, Ju Yeon Lee, Hyun Kyoung Lee, Jin Young Kim, Jong Shin Yoo
Dried blood spot (DBS) samples have a number of advantages, especially with respect to ease of collection, transportation, and storage and to reduce biohazard risk. N-glycosylation is a major post-translational modification of proteins in human blood that is related to a variety of biological functions, including metastasis, cell-cell interactions, inflammation, and immunization. Here, we directly analyzed tryptic N-glycopeptides from glycoproteins in DBS samples using liquid chromatography-tandem mass spectrometry (LC-MS/MS) without centrifugation of blood samples, depletion of major proteins, desalting of tryptic peptides, and enrichment of N-glycopeptides...
August 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28667317/an-autoregressive-logistic-model-to-predict-the-reciprocal-effects-of-oviductal-fluid-components-on-in-vitro-spermophagy-by-neutrophils-in-cattle
#8
Rasoul Kowsar, Behrooz Keshtegar, Mohamed A Marey, Akio Miyamoto
After intercourse/insemination, large numbers of sperm are deposited in the female reproductive tract (FRT), triggering a massive recruitment of neutrophils (PMNs) into the FRT, possibly to eliminate excessive sperm via phagocytosis. Some bovine oviductal fluid components (BOFCs) have been shown to regulate in vitro sperm phagocytosis (spermophagy) by PMNs. The modeling approach-based logistic regression (LR) and autoregressive logistic regression (ALR) can be used to predict the behavior of complex biological systems...
June 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28621608/glycosylation-change-of-alpha-1-acid-glycoprotein-as-a-serum-biomarker-for-hepatocellular-carcinoma-and-cirrhosis
#9
Delin Zhang, Jianzhao Huang, Dan Luo, Xinfu Feng, Yan Liu, Yan Liu
AIM: This research is to explore the glycosylation change of alpha-1-acid glycoprotein (AGP) in hepatocellular carcinoma (HCC), cirrhosis and controls. METHODS: The affinity chromatography and lectin affinity techniques were used to separate and enrich glycosylated AGP, and combined with mass spectrometry to identify and relatively quantify the glycopeptides from AGP. RESULTS: The sialylation and fucosylation of AGP were different among HCC, cirrhosis and controls...
May 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28587964/nicotinic-acetylcholine-receptor-alpha-1-nachr%C3%AE-1-subunit-peptides-as-potential-antiviral-agents-against-rabies-virus
#10
Basavaraj Sajjanar, Kalyani Dhusia, Shikha Saxena, Vinay Joshi, Deepika Bisht, Dimpal Thakuria, Gundallahalli B Manjunathareddy, Pramod W Ramteke, Satish Kumar
Rabies virus (RABV) is neurotropic and infects all warm-blooded animals. The binding of the virus with host cell receptor components is critical for infection. The present study reports the interaction of nicotinic acetylcholine receptor alpha 1 (nAChRα1) peptides with the rabies virus glycoprotein (RABVG) to design potential anti-rabies agents. The nAChRα1peptide sequences from different species (bovine, human and electric fish/torpedo) were synthesized and their secondary structures were characterized using CD spectroscopy...
June 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28554261/plasma-alpha-1-acid-glycoprotein-as-a-potential-predictive-biomarker-for-non-haematological-adverse-events-of-docetaxel-in-breast-cancer-patients
#11
Rafid Salim Jabir, Gwo Fuang Ho, Muhammad Azrif Bin Ahmad Annuar, Johnson Stanslas
CONTEXT: Rash and oral mucositis are major non-haematological adverse events (AEs) of docetaxel, in addition to fatigue, nausea, vomiting and diarrhoea, which restrict the use of the drug in cancer therapy. Alpha-1-acid glycoprotein (AAG) is an acute phase reactant glycoprotein and is a primary carrier of docetaxel in the blood. Docetaxel has extensive binding (>98%) to plasma proteins such as AAG, lipoproteins and albumin. OBJECTIVE: To study the association between plasma AAG level and non-haematological AEs of docetaxel in Malaysian breast cancer patients of three major ethnic groups (Malays, Chinese and Indians)...
June 6, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28551395/a-sandwich-elisa-for-porcine-alpha-1-acid-glycoprotein-pagp-orm-1-and-further-demonstration-of-its-use-to-evaluate-growth-potential-in-newborn-pigs
#12
T J Caperna, A E Shannon, M Stoll, S Kahl, L A Blomberg, J L Vallet, T G Ramsay
A simple, reproducible sandwich, ELISA was developed to measure porcine alpha-1 acid glycoprotein (pAGP, ORM-1) in pig plasma. Porcine AGP isolated from serum was purchased and a polyclonal antisera was prepared in rabbits using the whole pAGP molecule as immunogen. The antiserum was affinity purified, and a portion of the purified antibody fraction was labeled with horseradish peroxidase. Porcine AGP protein was used as a standard, whereas commercially available buffers and reagents were utilized throughout the assay...
April 8, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28497265/proteomics-analysis-of-pleomorphic-adenoma-of-the-human-parotid-gland
#13
Ahmet Mutlu, Murat Ozturk, Gurler Akpinar, Murat Kasap, Aylin Kanli
The objective of this study is to perform proteomic analysis of pleomorphic adenoma (PA) in the human parotid gland (PG) with comparison of normal PG. This is an individual prospective randomized controlled trial. This study was performed in a tertiary referral center. Tissue samples of PG and PA were taken after surgical excision of PG from 13 patients. Protein extracts were prepared and protein pools created from the soluble extracts were subjected to 2D-DIGE analysis. Proteins displaying regulation in their abundance were determined and identified using MALDIT-OF/TOF analysis...
August 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28469399/a-novel-biomarker-panel-to-identify-steroid-resistance-in-childhood-idiopathic-nephrotic-syndrome
#14
Michael R Bennett, LaTawnya Pleasant, Christopher Haffner, Qing Ma, Wendy D Haffey, Jun Ying, Michael Wagner, Kenneth D Greis, Prasad Devarajan
Idiopathic nephrotic syndrome (NS) is the most common glomerular disorder of childhood. Response to initial treatment with corticosteroids is an indicator of prognosis, as resistant patients often present more progressive disease. In this cross-sectional pilot study, we set out to discover a panel of noninvasive biomarkers that could distinguish steroid-resistant nephrotic syndrome (SRNS) from steroid-sensitive nephrotic syndrome (SSNS). Information gleaned from such a panel could yield more individualized treatment plans and prevent unnecessary steroid exposure in patients unlikely to respond...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28461116/anti-neuronal-anti-bodies-in-patients-with-early-psychosis
#15
O Mantere, M Saarela, T Kieseppä, T Raij, T Mäntylä, M Lindgren, E Rikandi, W Stoecker, B Teegen, J Suvisaari
It may be challenging to distinguish autoimmune encephalitis associated with anti-neuronal autoantibodies from primary psychiatric disorders. Here, serum was drawn from patients with a first-episode psychosis (n=70) or a clinical high-risk for psychosis (n=6) and controls (n=34). We investigated the serum prevalence of 24 anti-neuronal autoantibodies: IgG antibodies for anti-N-methyl-d-aspartate-type glutamate receptor (anti-NMDAR), glutamate and γ-aminobutyric acid alpha and beta receptors (GABA-a, GABA-b), alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPA), glycine receptor (GlyR), metabotropic glutamate receptor 1 and 5 (mGluR1, mGluR5), anti-Tr/Delta/notch-like epidermal growth factor-related receptor (DNER), contactin-associated protein-like 2 (CASPR2), myelin oligodendrocyte glycoprotein (MOG), glutamic acid decarboxylase-65 (GAD65), collapsin response mediator protein 5/crossveinless-2 (CV2), aquaporin-4 (AQP4), anti-dipeptidyl-peptidase-like protein-6 (DPPX), type 1 anti-neuronal nuclear antibody (ANNA-1, Hu), Ri, Yo, IgLON5, Ma2, zinc finger protein 4 (ZIC4), Rho GTPase-activating protein 26, amphiphysin, and recoverin, as well as IgA and IgM for dopamine-2-receptor (DRD2)...
April 28, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28445440/micronutrient-status-among-pregnant-women-in-zinder-niger-and-risk-factors-associated-with-deficiency
#16
K Ryan Wessells, Césaire T Ouédraogo, Rebecca R Young, M Thierno Faye, Alex Brito, Sonja Y Hess
Anemia and micronutrient (MN) deficiencies in pregnant women are associated with adverse pregnancy outcomes. In Niger, 58.6% of pregnant women are anemic; however, MN statuses are unknown. The study objectives were to estimate the prevalence of MN deficiencies among pregnant women in Zinder, Niger and explore associated risk factors. Pregnant women living in randomly selected rural villages (n = 88) were included. Capillary and venous blood samples (n = 770) were analyzed for hemoglobin (Hb) and plasma ferritin, soluble transferrin receptor (sTfR), zinc (pZn), retinol binding protein (RBP), folate and vitamin B12...
April 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28440767/zinc-alpha-2-glycoprotein-is-overproduced-in-cushing-s-syndrome
#17
Xavier Escoté, Gloria B Aranda, Mireia Mora, Gregori Casals, Joaquim Enseñat, Oscar Vidal, Yaiza Esteban, Irene Halperin, Felicia A Hanzu
INTRODUCTION: Cushing syndrome (CS), an endogenous hypercortisolemic condition with increased cardiometabolic morbidity, leads to development of abdominal obesity, insulin resistance, diabetes and proatherogenic dyslipidemia. Zinc alpha-2 glycoprotein (ZAG) is a recently characterized lipolytic adipokine implicated in regulation of adipose tissue metabolism and fat distribution. In vitro and animal studies suggest that glucocorticoids interact with ZAG secretion and action. To assess the relationship between ZAG and glucocorticoids in a human model of hypercortisolism, circulating ZAG levels were tested in patients with CS and its counterpart controls...
January 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/28396264/causal-pathways-from-enteropathogens-to-environmental-enteropathy-findings-from-the-mal-ed-birth-cohort-study
#18
Margaret N Kosek
BACKGROUND: Environmental enteropathy (EE), the adverse impact of frequent and numerous enteric infections on the gut resulting in a state of persistent immune activation and altered permeability, has been proposed as a key determinant of growth failure in children in low- and middle-income populations. A theory-driven systems model to critically evaluate pathways through which enteropathogens, gut permeability, and intestinal and systemic inflammation affect child growth was conducted within the framework of the Etiology, Risk Factors and Interactions of Enteric Infections and Malnutrition and the Consequences for Child Health and Development (MAL-ED) birth cohort study that included children from eight countries...
April 2017: EBioMedicine
https://www.readbyqxmd.com/read/28379573/the-effect-of-chronic-ammonia-exposure-on-acute-phase-proteins-immunoglobulin-and-cytokines-in-laying-hens
#19
Y N Wu, F F Yan, J Y Hu, H Chen, C M Tucker, A R Green, H W Cheng
Ammonia (NH3) is a potential health hazard to both humans and animals, causing local and systemic low-grade inflammation based on its levels and exposure durations. The objective of this study was to examine the effects of 45 wk of exposure to 30 ppm NH3 on the concentrations of acute-phase proteins, immunoglobulins, and cytokines in laying hens. At 18 wk of age, a group of Hy-Line W-36 hens was randomly assigned to 4-hen cages. These cages were evenly divided between 2 environmentally controlled chambers...
June 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28344817/urinary-biomarkers-as-indicator-of-chronic-inflammation-and-endothelial-dysfunction-in-obese-adolescents
#20
Ruchi Singh, Arushi Verma, Salim Aljabari, Tetyana L Vasylyeva
BACKGROUND: Obesity is a pro-inflammatory state that may predispose patients to acute coronary syndrome characterized by chronic low grade inflammation resulting in endothelial dysfunction (ED). The aim of the study was to evaluate urinary biomarkers of inflammation and ED in adolescents with obesity. METHODS: Sixty three subjects were recruited for the study. Twenty healthy adolescents with normal body mass (NW), 14 overweight (OW), 29 obese (OA) subjects were selected...
2017: BMC Obesity
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