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https://www.readbyqxmd.com/read/28327425/protein-drug-nanoconjugates-finding-the-alternative-proteins-as-drug-carrier
#1
Iqra Munir, Sadia Ajmal, Muhammad Raza Shah, Aftab Ahmad, Abdul Hameed, Syed Abid Ali
Present study was conducted to establish the interaction of bovine fetuin-A to validate its binding modalities with doxorubicin (Dox). Fetuin-A was purified to highest purity and monodispersity. Green synthesis of fetuin-A conjugated gold nanoparticles (F-GNPs) has been performed giving typical UV-maxima with subtle variation in fourier transform infrared spectroscopy (FTIR). Atomic force microscopy (AFM) revealed spherical shaped, polydisperse F-GNPs of varying sizes, complementing the radius of hydration (19...
March 19, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28323417/construction-of-a-database-of-collision-cross-section-values-for-glycopeptides-glycans-and-peptides-determined-by-im-ms
#2
Rebecca S Glaskin, Kshitij Khatri, Qi Wang, Joseph Zaia, Catherine E Costello
An ion mobility quadrupole time-of-flight mass spectrometer was used to examine the gas-phase structures of a set of glycopeptides resulting from proteolytic digestion of the well-characterized glycoproteins bovine ribonuclease B, human transferrin, bovine fetuin and human α1-acid glycoprotein, the corresponding deglycosylated peptides and the glycans released by the endoglycosidase PNGase F. When closely related glycoforms did not occur naturally, exoglycosidases were used to achieve stepwise removal of individual saccharide units from the non-reducing termini of the multi-antennary structures...
March 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28270597/interaction-between-plasma-fetuin-a-and-free-fatty-acids-predicts-changes-in-insulin-sensitivity-in-response-to-long-term-exercise
#3
Sindre Lee, Frode Norheim, Hanne L Gulseth, Torgrim M Langleite, Kristoffer J Kolnes, Daniel S Tangen, Hans K Stadheim, Gregor D Gilfillan, Torgeir Holen, Kåre I Birkeland, Jørgen Jensen, Christian A Drevon
The hepatokine fetuin-A can together with free fatty acids (FFAs) enhance adipose tissue (AT) inflammation and insulin resistance via toll-like receptor 4 (TLR4). Although some of the health benefits of exercise can be explained by altered release of myokines from the skeletal muscle, it is not well documented if some of the beneficial effects of exercise can be explained by altered secretion of hepatokines. The aim of this study was to examine the effect of interaction between fetuin-A and FFAs on insulin sensitivity after physical exercise...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28260374/in-depth-analysis-of-glycoprotein-sialylation-in-serum-using-a-dual-functional-material-with-superior-hydrophilicity-and-switchable-surface-charge
#4
Xuefang Dong, Hongqiang Qin, Jiawei Mao, Dongping Yu, Xiuling Li, Aijin Shen, Jingyu Yan, Long Yu, Zhimou Guo, Mingliang Ye, Hanfa Zou, Xinmiao Liang
Sialylation typically occurs at the terminal of glycans, and its aberration often correlates with diseases including neurological diseases and cancer. However, the analysis of glycoprotein sialylation in complex biological samples is still challenging due to their low abundance. Herein, a histidine-bonded silica (HBS) material with a hydrophilic interaction and switchable surface charge was fabricated to enrich sialylated glycopeptides (SGPs) from the digest of proteomics samples. High selectivity toward SGPs was obtained by combining the superior hydrophilicity and switchable-charge characteristics...
March 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28235995/hydrazide-functionalized-affinity-on-conventional-support-materials-for-glycopeptide-enrichment
#5
Muhammad Salman Sajid, Fahmida Jabeen, Dilshad Hussain, Muhammad Naeem Ashiq, Muhammad Najam-Ul-Haq
In affinity chromatography, enrichment of biomolecules is dependent on the selection of affinity sites immobilized onto a suitable support material. A few hydrazide - functionalized materials with surface modification protocols compatible to conventional support materials like silica and cellulose are reported. The study demonstrates the modification/derivatization pathways that can be adopted to modify the support materials with similar surface chemistry like cellulose, poly(GMA/DVB), or diamond. Poly(GMA/DVB) and cellulose represent hydrophilic supports whereas diamond is a hydrophobic support material...
February 24, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28230494/application-of-tem-techniques-for-the-study-of-vascular-calcification-monitoring-extracellular-vesicles-and-nanogold-immunodetection-of-fetuin-a-grp-and-cd9
#6
Rute Morais, Carla S B Viegas, Dina C Simes, António P A Matos, Anjos L Macedo
No abstract text is available yet for this article.
January 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28230466/dysregulated-fetuin-mineral-complexes-are-linked-to-vascular-calcification-in-chronic-kidney-disease-the-role-of-gla-rich-protein
#7
Carla S B Viegas, Anjos L Macedo, Rute Morais, Lúcia Santos, António P A Matos, Ana P Silva, Pedro Neves, Dina C Simes
No abstract text is available yet for this article.
January 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28230324/effects-of-short-term-energy-restriction-on-liver-lipid-content-and-inflammatory-status-in-severely-obese-adults-results-of-a-randomised-controlled-trial-rct-using-two-dietary-approaches
#8
Emma L Baldry, Guruprasad P Aithal, Philip Kaye, Iskandar R Idris, Andrew Bennett, Paul C Leeder, Ian A Macdonald
Short-term very low energy diets (VLED) are used in clinical practice prior to bariatric surgery, however, regimens vary and outcomes for a short intervention are unclear. We examined the effect of two VLEDs; a food-based diet (FD) and meal replacement plan (MRP) (LighterLife) over two weeks in a randomised controlled trial (RCT). We collected clinical and anthropometric data, fasting blood samples, and dietary evaluation questionnaires. Surgeons took liver biopsies and made a visual assessment of the liver...
February 23, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28213903/specifics-of-fetuin-a-levels-in-distinct-types-of-chronic-heart-failure
#9
Michael Lichtenauer, Bernhard Wernly, Vera Paar, Ilonka Rohm, Christian Jung, Atilla Yilmaz, Uta C Hoppe, Paul Christian Schulze, Daniel Kretzschmar, Rudin Pistulli
INTRODUCTION: Fetuin-A has been described to correlate inversely with vascular calcification both in animal models but also in patients with heart and renal disease. In this current study, we sought to investigate whether fetuin-A might be a useful marker for the discrimination of ischemic (ICM) from dilated cardiomyopathy (DCM). METHODS: A total of 124 non-consecutive patients were included in this study, 59 patients suffered from ICM and 65 patients from DCM. Serum samples were obtained during out-patient visits and analyzed for fetuin-A by ELISA...
February 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28212442/ecto-5-nucleotidase-cd73-nt5e-vitamin-d-receptor-and-fgf23-gene-polymorphisms-may-play-a-role-in-the-development-of-calcific-uremic-arteriolopathy-in-dialysis-patients-data-from-the-german-calciphylaxis-registry
#10
Hansjörg Rothe, Vincent Brandenburg, Margot Haun, Barbara Kollerits, Florian Kronenberg, Markus Ketteler, Christoph Wanner
INTRODUCTION: Calciphylaxis/calcific uremic arteriolopathy affects mainly end-stage kidney disease patients but is also associated with malignant disorders such as myeloma, melanoma and breast cancer. Genetic risk factors of calciphylaxis have never been studied before. METHODS: We investigated 10 target genes using a tagging SNP approach: the genes encoding CD73/ ecto-5'-nucleotidase (purinergic pathway), Matrix Gla protein, Fetuin A, Bone Gla protein, VKORC1 (all related to intrinsic calcification inhibition), calcium-sensing receptor, FGF23, Klotho, vitamin D receptor, stanniocalcin 1 (all related to CKD-MBD)...
2017: PloS One
https://www.readbyqxmd.com/read/28210079/%C3%AE-2-heremans-schmid-glycoprotein-fetuin-a-downregulation-and-its-utility-in-inflammatory-bowel-disease
#11
Anastassios C Manolakis, Gregory Christodoulidis, Andreas N Kapsoritakis, Panagiotis Georgoulias, Elisavet K Tiaka, Kostas Oikonomou, Varvara J Valotassiou, Spyros P Potamianos
AIM: To investigate the impact of inflammatory bowel disease (IBD) on α2-Heremans-Schmid Glycoprotein (AHSG/fetuin A) and potential associations with disease and patient characteristics. METHODS: AHSG serum levels were determined in treatment-naïve newly-diagnosed patients, 96 with ulcerative colitis (UC), 84 with Crohn's disease (CD), 62 with diarrhea-predominant or mixed irritable bowel syndrome (IBS, D- and M- types) and 180 healthy controls (HC), by an enzyme linked immunosorbent assay (ELISA)...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28192976/quantification-of-influenza-neuraminidase-activity-by-ultra-high-performance-liquid-chromatography-and-isotope-dilution-mass-spectrometry
#12
Maria I Solano, Adrian R Woolfitt, Tracie L Williams, Carrie L Pierce, Larisa V Gubareva, Vasiliy Mishin, John R Barr
Mounting evidence suggests that neuraminidase's functionality extends beyond its classical role in influenza virus infection and that antineuraminidase antibodies offer protective immunity. Therefore, a renewed interest in the development of neuraminidase (NA)-specific methods to characterize the glycoprotein and evaluate potential advantages for NA standardization in influenza vaccines has emerged. NA displays sialidase activity by cleaving off the terminal N-acetylneuraminic acid on α-2,3 or α-2,6 sialic acid containing receptors of host cells...
February 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28183456/regulation-of-the-novel-adipokines-hepatokines-fetuin-a-and-fetuin-b-in-gestational-diabetes-mellitus
#13
Susan Kralisch, Annett Hoffmann, Ulrike Lössner, Jürgen Kratzsch, Matthias Blüher, Michael Stumvoll, Mathias Fasshauer, Thomas Ebert
OBJECTIVE: Fetuin B has recently been introduced as a novel adipokine/hepatokine which is significantly increased in hepatic steatosis and mediates impaired insulin action, as well as glucose intolerance. However, regulation of fetuin B in gestational diabetes mellitus (GDM), as well as its longitudinal changes in the peripartum period, have not been elucidated, so far. DESIGN AND METHODS: Circulating fetuin A and fetuin B were quantified in 74 women with GDM and 74 healthy and gestational age-matched controls by enzyme-linked immunosorbent assay during pregnancy (median gestational age: 201days)...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28154244/fetuin-a-as-an-alternative-marker-for-insulin-resistance-and-cardiovascular-risk-in-prepubertal-children
#14
Young Suk Shim, Min Jae Kang, Yeon Jeong Oh, Joon Woo Baek, Seung Yang, Il Tae Hwang
AIM: Fetuin-A plays a role in insulin resistance and cardiovascular disease. This study aims to determine the relationship between fetuin-A levels and cardiometabolic risk factors, as well as to investigate the effect of serum fetuin-A on insulin resistance indices to determine whether fetuin-A is an additional marker for insulin resistance in prepubertal children. METHODS: A total of 99 prepubertal Korean children (59 males) aged from 6.0 to 10.0 years was included in this study...
February 1, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28149018/evaluation-of-serum-fetuin-a-and-osteoprotegerin-levels-in-patients-with-psoriasis
#15
Mehmet Genc, Murat Can, Berrak Guven, Saniye Cinar, Cagatay Buyukuysal, Bilgehan Acikgoz, Ayca Gorkem Mungan, Serefden Acikgoz
Psoriasis patients are determined to have a high ratio of coronary artery calcification. Fetuin-A and osteoprotegerin are systemic calcification inhibitors and related to vascular calcification and cardiovascular mortality. In this study we investigated the relationship between fetuin-A and osteoprotegerin levels in psoriasis patients. The study included 40 healthy volunteers and 40 psoriasis patients. Venous blood were collected from healthy volunteers and psoriasis patients in order to search the fetuin-A and osteoprotegerin levels...
March 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28112206/serum-vitamin-d-intact-parathyroid-hormone-and-fetuin-a-concentrations-were-associated-with-geriatric-sarcopenia-and-cardiac-hypertrophy
#16
Wei-Ting Chang, Chih-Hsing Wu, Ling-Wei Hsu, Po-Wei Chen, Jia-Rong Yu, Chin-Sung Chang, Wei-Chuan Tsai, Ping-Yen Liu
With aging, intact parathyroid hormone (iPTH) increases. It plays a crucial role in left ventricular hypertrophy (LVH). Also, 25-hydroxy vitamin D (Vit-D) and iPTH have been observed to be determinants of muscle wasting known as sarcopenia. Fetuin A (FetA), a systemic calcification inhibitor, involves in the development of diastolic heart failure. Hence, we hypothesized that the interplay among FetA, Vit-D and iPTH may contribute to sarcopenic LVH among the elders. We analyzed a database from the Tianliao Old People study with 541 elders (≥65 years) in a Taiwan's suburban community...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096437/phase-angle-predicts-arterial-stiffness-and-vascular-calcification-in-peritoneal-dialysis-patients
#17
Margarida Sarmento-Dias, Carla Santos-Araújo, Rui Poínhos, Bruno Oliveira, Maria Sousa, Liliana S Silva, Isabel S Silva, Flora Correia, Manuel Pestana
♦ Objectives: Fluid overload (FO) is frequently present in peritoneal dialysis (PD) patients and is associated with markers of malnutrition, inflammation, and atherosclerosis/calcification (MIAC) syndrome. We examined the relationships in stable PD patients between phase angle (PhA) and the spectrum of uremic vasculopathy including vascular calcification and arterial stiffness and between PhA and changes in serum fetuin-A levels. ♦ Methods: Sixty-one stable adult PD patients were evaluated in a cross-sectional study (ST1)...
January 17, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28094081/emerging-human-fetuin-a-assays-for-biomedical-diagnostics
#18
REVIEW
Sandeep Kumar Vashist, E Marion Schneider, A G Venkatesh, John H T Luong
Human fetuin A (HFA) plays a prominent pathophysiological role in numerous diseases and pathophysiological conditions with considerable biomedical significance; one example is the formation of calciprotein particles in osteoporosis and impaired calcium metabolisms. With impressive advances in in vitro diagnostic assays during the last decade, ELISAs have become a workhorse in routine clinical diagnostics. Recent diagnostic formats involve high-sensitivity immunoassay procedures, surface plasmon resonance, rapid immunoassay chemistries, signal enhancement, and smartphone detection...
January 13, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28091715/highly-sensitive-glycosylamine-labelling-of-o-glycans-using-non-reductive-%C3%AE-elimination
#19
Kenichiro Furuki, Toshimasa Toyo'oka, Kazutoshi Ban
When developing biopharmaceuticals, glycans are the most important posttranslational protein modifications that must be addressed because they affect the between-protein interactions that maintain homeostasis. The glycan profile may be defined as a critical quality attribute of a biopharmaceutical. Comprehensive analysis of protein glycosylation must overcome challenges such as the release, labelling, separation and detection of O-glycans. In contrast, N-glycans can be readily released non-reductively from peptide backbones using an enzyme such as peptide N-glycosidase F...
January 14, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28052525/daily-variability-in-serum-levels-of-calciprotein-particles-and-their-association-with-mineral-metabolism-parameters-a-cross-sectional-pilot-study
#20
Hodaka Yamada, Makoto Kuro-O, San-E Ishikawa, Shunsuke Funazaki, Ikuyo Kusaka, Masafumi Kakei, Kazuo Hara
BACKGROUND: Calciprotein particles (CPPs), colloidal protein-mineral nanoparticles composed of solid-phase calcium phosphate and serum protein fetuin-A found in blood, are emerging as a novel component of chronic kidney disease-mineral and bone disorder (CKD-MBD). In this study, we examined daily variations in CPPs as well as their association with mineral metabolism parameters in normal individuals and early-stage CKD patients. METHODS: Twenty subjects (10 healthy adults, 10 diabetic patients) were enrolled...
January 4, 2017: Nephrology
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