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Alpha-1-acid glycoprotein

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https://www.readbyqxmd.com/read/28621608/glycosylation-change-of-alpha-1-acid-glycoprotein-as-a-serum-biomarker-for-hepatocellular-carcinoma-and-cirrhosis
#1
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
#2
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
#3
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
#4
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
#5
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...
May 11, 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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28255168/mapping-sites-of-herpes-simplex-virus-type-1-glycoprotein-d-that-permit-insertions-and-impact-gd-and-gb-receptors-usage
#13
Qing Fan, Sarah Kopp, Sarah A Connolly, William J Muller, Richard Longnecker
Glycoprotein D (gD) of herpes simplex virus type 1 (HSV-1) is one of four glycoproteins essential for HSV entry and cell fusion. The purpose of this study was to determine the plasticity of gD to tolerate insertion or deletion mutations and to construct an oncolytic HSV-1 that utilizes the disialoganglioside GD2 as a HSV-1 entry receptor. We found that the N-terminus of gD tolerates long insertions, whereas residues adjacent to the gD Ig-like V-type core tolerated shorter insertions (up to 15 amino acids), but not greater than 60 amino acids...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28174536/exploring-the-pharmacokinetic-profile-of-remifentanil-in-mid-trimester-gestations-undergoing-fetal-intervention-procedures
#14
Judith A Smith, Roopali V Donepudi, Pedro S Argoti, Anita L Giezentanner, Ranu Jain, Noemi Boring, Elisa Garcia, Kenneth J Moise
Background: Indications for surgery during pregnancy have increased. Specifically fetal interventions have increased from conditions that were considered lethal like twin-twin transfusion syndrome and severe fetal anemia to non-lethal conditions like myelomeningocele. The optimal anesthetic agent for in utero surgery is yet to be determined. Success of the procedure is often dictated by the efficacy of the anesthetic to immobilize the fetus without over-sedating mom. Remifentanil is used as preferred agent due to its short half-life however pharmacokinetics in pregnancy is unknown...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28137820/pharmacokinetics-of-clindamycin-in-obese-and-nonobese-children
#15
Michael J Smith, Daniel Gonzalez, Jennifer L Goldman, Ram Yogev, Janice E Sullivan, Michael D Reed, Ravinder Anand, Karen Martz, Katherine Berezny, Daniel K Benjamin, P Brian Smith, Michael Cohen-Wolkowiez, Kevin Watt
Although obesity is prevalent among children in the United States, pharmacokinetic (PK) data for obese children are limited. Clindamycin is a commonly used antibiotic that may require dose adjustment in obese children due to its lipophilic properties. We performed a clindamycin population PK analysis using data from three separate trials. A total of 420 samples from 220 children, 76 of whom had a body mass index greater than or equal to the 95th percentile for age, were included in the analysis. Compared to other metrics, total body weight (TBW) was the most robust measure of body size...
April 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28131049/iron-biofortified-staple-food-crops-for-improving-iron-status-a-review-of-the-current-evidence
#16
REVIEW
Julia L Finkelstein, Jere D Haas, Saurabh Mehta
Iron deficiency is the most common micronutrient deficiency globally and represents a major threat to public health. Biofortification, the process of enhancing micronutrient content and bioavailability in staple crops, represents an exciting sustainable food-based strategy to combat and prevent iron deficiency, particularly in resource-limited settings. In this review, we examine the evidence to date of the efficacy of iron-biofortified staple food crops on improving iron status in at-risk populations, including rice, pearl millet, and beans...
April 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28108341/molecular-cloning-genomic-structure-polymorphism-analysis-and-recombinant-expression-of-a-%C3%AE-1-antitrypsin-like-gene-from-swamp-eel-monopterus-albus
#17
Wei Li, Quanhe Wang, Shaobin Li, Ao Jiang, Wenxiu Sun
Alpha-1-antitrypsin (AAT) is a highly polymorphic glycoprotein antiprotease, involved in the regulation of human immune response. Beyond some genomic characterization and a few protein characterizations, the function of teleost AAT remains uncertain. In this study we cloned an AAT-like gene from a swamp eel liver identifying four exons and three introns, and the full-length cDNA. The elucidated swamp eel AAT amino acid sequence showed high homology with known AATs from other teleosts. The swamp eel AAT was examined both in ten healthy tissues and in four bacterially-stimulated tissues resulting in up-regulation of swamp eel AAT at different times...
March 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28107809/plasma-protein-profiling-for-potential-biomarkers-in-the-early-diagnosis-of-alzheimer-s-disease
#18
Yuki Kitamura, Ryoko Usami, Sahoko Ichihara, Hirotaka Kida, Masayuki Satoh, Hidekazu Tomimoto, Mariko Murata, Shinji Oikawa
OBJECTIVES: Alzheimer's disease (AD) is the most common cause of dementia in elderly persons. Since the pathology of AD develops slowly from a preclinical or early phase into a fully expressed clinical syndrome, at the time of diagnosis the disease has been progressing for many years. To facilitate the early diagnosis of AD, we performed protein profiling of blood in patients with mild AD as defined by the Functional Assessment Staging (FAST) scale. METHODS: Plasma samples from mild AD patients and healthy controls were analyzed using two-dimensional differential gel electrophoresis (2D-DIGE) combined with matrix-assisted laser desorption ionization time-of-flight tandem mass spectrometry (MALDI-TOF/TOF/MS) followed by peptide mass fingerprinting...
March 2017: Neurological Research
https://www.readbyqxmd.com/read/28065798/monitoring-treatment-of-acute-kidney-injury-with-damage-biomarkers
#19
T J Pianta, L Succar, T Davidson, N A Buckley, Z H Endre
BACKGROUND: Damage biomarkers may identify mechanisms and sites of acute kidney injury (AKI). However, the utility of novel AKI biomarkers differs by context, and their utility for monitoring treatment of AKI is unknown. We hypothesized that selected AKI biomarkers would facilitate monitoring of mechanism-specific treatment. We examined this using a panel of biomarkers to monitor cisplatin-induced AKI treatment with alpha-lipoic acid (α-LA) that has previously been demonstrated to ameliorate cisplatin induced AKI...
February 15, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28055129/long-term-ethanol-exposure-decreases-the-endotoxin-induced-hepatic-acute-phase-response-in-rats
#20
Emilie Glavind, Hendrik Vilstrup, Henning Grønbaek, Stephen Hamilton-Dutoit, Nils Erik Magnusson, Karen Louise Thomsen
BACKGROUND: Long-term excess alcohol intake predisposes to infectious diseases. The hepatic acute phase response is a component of the innate immune system and is part of the first line of defense against invading pathogens, which may be compromised by alcohol. We aimed to investigate whether an induced acute phase response is impaired in long-term ethanol-fed rats. METHODS: For six weeks, rats were either fed a Lieber-DeCarli ethanol-containing (36% as calories) liquid diet ad libitum or calorically pair-fed...
January 5, 2017: Alcoholism, Clinical and Experimental Research
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