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https://www.readbyqxmd.com/read/29353263/subcutaneous-adipose-tissue-biology-in-metabolic-syndrome
#1
REVIEW
Ishwarlal Jialal, Sridevi Devaraj
Metabolic syndrome (MetS) is a common global problem that comprises the cardio-metabolic cluster and predisposes to both diabetes and cardiovascular diseases. Although the pathogenic mechanisms have not been elucidated, both increased inflammation and insulin resistance play a pivotal role. It appears that both monocyte/macrophages and adipose tissue (AT) conspire to accentuate both the pro-inflammatory state and increased insulin resistance. Whilst there are scant data on visceral adipose tissue (VAT) and epicardial adipose tissue (EAT) biology, there are data on subcutaneous adipose tissue (SAT) dysregulation...
January 20, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29352150/identification-and-quantification-of-plasma-calciprotein-particles-with-distinct-physical-properties-in-patients-with-chronic-kidney-disease
#2
Yutaka Miura, Yoshitaka Iwazu, Kazuhiro Shiizaki, Tetsu Akimoto, Kazuhiko Kotani, Masahiko Kurabayashi, Hiroshi Kurosu, Makoto Kuro-O
Calciprotein particles (CPP) are solid-phase calcium-phosphate bound to serum protein fetuin-A and dispersed as colloids in the blood. Recent clinical studies indicated that serum CPP levels were increased with decline of renal function and associated with inflammation and vascular calcification. However, CPP assays used in these studies measured only a part of CPP over a certain particle size and density. Here we show that such CPP are mostly artifacts generated during processing of serum samples in vitro...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29301790/chronic-kidney-disease-circulating-calciprotein-particles-and-extracellular-vesicles-promote-vascular-calcification-a-role-for-grp-gla-rich-protein
#3
Carla S B Viegas, Lúcia Santos, Anjos L Macedo, António A Matos, Ana P Silva, Pedro L Neves, An Staes, Kris Gevaert, Rute Morais, Cees Vermeer, Leon Schurgers, Dina C Simes
OBJECTIVE: Inhibition of mineral crystal formation is a crucial step in ectopic calcification. Serum calciprotein particles (CPPs) have been linked to chronic kidney disease (CKD) calcification propensity, but additional knowledge is required to understand their function, assemblage, and composition. The role of other circulating nanostructures, such as extracellular vesicles (EVs) in vascular calcification is currently unknown. Here, we investigated the association of GRP (Gla-rich protein) with circulating CPP and EVs and the role of CKD CPPs and EVs in vascular calcification...
January 4, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29291018/serum-fetuin-a-level-is-associated-with-nonalcoholic-fatty-liver-disease-in-chinese-population
#4
Zhengsen Cui, Rong Xuan, Yunmei Yang
Objective: To investigate the association between serum fetuin A concentration and non-alcoholic fatty liver disease (NAFLD) in Chinese population. Methods: This case-control study enrolled 79 NAFLD cases and 79 non-NAFLD controls. All subjects were selected from Chinese population who received annual health examination in the First Affiliated Hospital of Zhejiang University in 2016. NAFLD was diagnosed mainly based on abdominal ultrasonography. The severity of NAFLD was categorized by serum level of alanine aminotransferase...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29288724/serum-fetuin-a-levels-in-patients-with-bilateral-basal-ganglia-calcification
#5
Bekir Enes Demiryurek, Asli Aksoy Gundogdu
BACKGROUND AND PURPOSE: The idiopathic basal ganglia calcification (Fahr syndrome) may occur due to senility. Fetuin-A is a negative acute phase reactant which inhibits calcium-phosphorus precipitation and vascular calcification. In this study, we aimed to evaluate whether serum fetuin-A levels correlate with bilateral basal ganglia calcification. METHOD: Forty-five patients who had bilateral basal ganglia calcification on brain CT were selected according to the inclusion and exclusion criteria, and 45 age and gender-matched subjects without basal ganglia calcification were included for the control group...
December 27, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29278516/serum-fetuin-a-levels-are-associated-with-serum-triglycerides-before-and-6-months-after-bariatric-surgery
#6
Christos G Verras, Georgios A Christou, Yannis V Simos, George D Ayiomamitis, Andreas J Melidonis, Dimitrios N Kiortsis
OBJECTIVE: The elucidation of the changes of fetuin-A in the context of bariatric surgery. DESIGN: Twenty obese patients (8 males, 12 females; body mass index = 42.5±3.4 kg/m2) were studied at baseline and 6 months after bariatric surgery. RESULTS: Serum fetuin-A levels did not differ with regard to the presence of each individual component of the Metabolic Syndrome (MetS) at baseline, except for hypertriglyceridaemia [increased serum fetuin-A levels (p=0...
July 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29274966/fetuin-a-a-negative-acute-phase-protein-linked-to-adipose-tissue-function-in-periparturient-dairy-cows
#7
Clarissa Strieder-Barboza, Jonas de Souza, William Raphael, Adam L Lock, G Andres Contreras
Fetuin-A (FetA) is a free fatty acid transporter and an acute-phase protein that enhances cellular lipid uptake and lipogenesis. In nonruminants, FetA is involved in lipid-induced inflammation. Despite FetA importance in lipid metabolism and inflammation, its expression and dynamics in adipose tissue (AT) of dairy cows are unknown. The objectives of this study were to (1) determine serum and AT FetA dynamics over the periparturient period and in mid-lactation cows in negative energy balance (NEB) after a feed restriction protocol and (2) characterize how an inflammatory challenge affects adipocyte FetA expression...
December 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29236151/the-effects-of-hap-and-macrophage-cells-to-the-expression-of-inflammatory-factors-and-apoptosis-in-hk-2-cells-of-vitro-co-cultured-system
#8
Junchuan Yu, Yaoliang Deng, Zhiwei Tao, Weixia Liang, Xiaofeng Guan, Jihua Wu, Xin Ning, Yunlong Liu, Quan Liu, Ziqi He
This study developed an in vitro system by co-culturing HK-2 cells with different concentration of hydroxyapatite (HAP) and/or macrophage cells to simulate the internal environment of urolithiasis as far as possible, investigating the regulatory effects of macrophage cells on HAP-induced expression of relative inflammatory factors of HK-2 cells. The control group (H group) was only comprised of HK-2 cells. Experimental groups included co-culturing HK-2 cells and macrophage cells (H + M group), co-culturing HK-2 cells and HAP (H + A group), co-culturing macrophage cells and HAP (M + A group), and co-culturing HK-2 cells and macrophage cells with HAP (H + M + A group)...
December 13, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29220580/the-influence-of-adiposity-and-acute-exercise-on-circulating-hepatokines-in-normal-weight-and-overweight-obese-men
#9
Jack A Sargeant, Guruprasad P Aithal, Toshinari Takamura, Hirofumi Misu, Hiroaki Takayama, Jessica A Douglas, Mark C Turner, David J Stensel, Myra A Nimmo, David R Webb, Thomas Yates, James A King
Hepatokines are liver-secreted proteins with potential to influence glucose regulation and other metabolic parameters. This study investigated differences in adiposity status on five novel hepatokines and characterised their response to acute moderate-intensity exercise in groups of normal weight and overweight/obese men. Twenty-two men were recruited into normal weight and overweight/obese groups (BMI: 18.5 to 24.9 and 25.0 to 34.9 kg∙m<sup>-2</sup>). Each completed two experimental trials, exercise and control...
December 8, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29212317/targeted-measurements-of-o-and-n-glycopeptides-show-that-proteins-in-hdl-particles-are-enriched-with-specific-glycosylation-compared-to-plasma
#10
Muchena J Kailemia, Wanghui Wei, Khoa Nguyen, Elizabeth Beals, Lisa Sawrey-Kubicek, Christopher Rhodes, Chenghao Zhu, Romina Sacchi, Angela M Zivkovic, Carlito B Lebrilla
High density lipoprotein (HDL) particles are believed to be protective due to their inverse correlation with the prevalence of cardiovascular diseases. However, recent studies show that in some conditions such as heart disease and diabetes, HDL particles can become dysfunctional. Great attention has been directed toward HDL particle composition because the relative abundances of HDL constituents determine HDL's functional properties. A key factor to consider when studying the structure and composition of plasma particles is the protein glycosylation...
December 7, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29207397/relationship-of-serum-fetuin-a-with-metabolic-and-clinical-parameters-in-german-children-and-adolescents-with-type-1-diabetes
#11
Christina Reinauer, Thomas Reinehr, Christina Baechle, Beate Karges, Julia Seyfarth, Katharina Foertsch, Martin Schebek, Joachim Woelfle, Michael Roden, Reinhard W Holl, Joachim Rosenbauer, Thomas Meissner
BACKGROUND AND AIM: The hepatokine fetuin A is upregulated in the metabolic syndrome and in type 2 diabetes (T2D), while its role in adolescent type 1 diabetes (T1D) is unclear. We assessed the relationship between circulating fetuin A levels and metabolic control, comorbidities, and complications in adolescent T1D patients. METHODS: We studied the relationship between serum fetuin A and clinical diabetes-related data from the DPV registry (Diabetes-Pa-tienten-Verlaufsdokumentation) in 172 adolescent T1D patients with early-onset (<5 years) long-standing (>10 years) T1D...
December 5, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29174342/serum-fetuin-a-levels-in-obese-and-non-obese-subjects-with-and-without-type-2-diabetes-mellitus
#12
Zhong-Wei Zhou, Hui-Xiang Ju, Ming-Zhong Sun, Hong-Mei Chen, Qing-Ping Fu, Dong-Mei Jiang
BACKGROUND: Higher fetuin-A expression is linked to both obesity and type 2 diabetes mellitus (T2DM), However, studies in non-obese patients with T2DM are scarce. METHODS: 345 newly diagnosed T2DM patients and 300 subjects with normal glucose tolerance (NGT) were divided into obese and non-obese subgroups, respectively. Serum fetuin-A and adiponectin levels and related parameters were measured. RESULTS: T2DM patients with obesity had higher fetuin-A levels compared with non-obese patients and obese NGT subjects (p<0...
November 22, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29158128/fullerene-pamam-g5-composite-modified-impedimetric-biosensor-to-detect-fetuin-a-in-real-blood-samples
#13
Zihni Onur Uygun, Çağdaş Şahin, Merve Yilmaz, Yasemin Akçay, Ali Akdemir, Ferhan Sağin
The aim of this study is to develop a nanomaterial-dendrimer composite modified biosensor to detect Fetuin-A (HFA) in real blood samples. For this purpose, we designed an Electrochemical Impedance Spectroscopy (EIS) based anti-Fetuin-A (Anti-HFA) modified biosensor system and tested in real blood samples. Chronoimpedance was also employed. The same samples were analyzed with ELISA and the results were compared for validation of the new system. Gold screen printed electrodes (AuSPE) were used as transducer. Firstly, a self-assembly monolayer (SAM) was formed on gold surface by 4-aminothiophenol (4-ATP), Fullerene and PAMAM-NH2 (G5), layers were formed, consecutively...
November 17, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/29138227/the-hepatokines-fetuin-a-and-fetuin-b-are-up-regulated-in-the-state-of-hepatic-steatosis-and-may-differently-impact-on-glucose-homeostasis-in-humans
#14
Andreas Peter, Marketa Kovarova, Harald Staiger, Jürgen Machann, Fritz Schick, Alfred Königsrainer, Ingmar Koenigsrainer, Erwin D Schleicher, Andreas Fritsche, Hans-Ulrich Häring, Norbert Stefan
The liver is a central regulator of whole-body glucose and lipid homeostasis and hepatokines, like fetuin-A, have been identified as markers and mediators of fatty liver-induced cardiometabolic risk. The closely related protein fetuin-B was shown to be up-regulated in the fatty liver and to impact on glucose homeostasis in mice. In the present study we aimed to test the relevance of these findings in humans. In 55 subjects hepatic mRNA expression of both hepatokines, fetuin-A and fetuin-B, associated positively with liver triglyceride content, while only fetuin-A expression associated with the homeostatic model assessment of insulin resistance...
November 14, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29134617/vascular-calcification-is-not-related-to-serum-fetuin-a-and-osteopontin-levels-in-hemodialysis-patients
#15
O Ulutas, M C Taskapan, A Dogan, T Baysal, H Taskapan
INTRODUCTION: Vascular calcification (VC) in hemodialysis (HD) patients is a sign of severe cardiovascular disease and can predict cardiovascular outcomes. Fetuin-A and osteopontin (OPN) inhibit VC. Serum fetuin-A levels are lower in patients with end-stage kidney disease (ESKD) and in those who are on chronic HD therapy. However, there are limited data concerning OPN in patients who are on dialysis. The aim of our study was to determine VC in HD patients, the relationship between VC and 25-OH-vitamin D, fetuin-A, and OPN levels, and independent predictors of VC...
November 13, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29134205/towards-the-electrochemical-diagnostic-of-influenza-virus-development-of-a-graphene-au-hybrid-nanocomposite-modified-influenza-virus-biosensor-based-on-neuraminidase-activity
#16
Ülkü Anik, Yudum Tepeli, Maher Sayhi, Jihene Nsiri, Mohamed Fethi Diouani
An effective electrochemical influenza A biosensor based on a graphene-gold (Au) hybrid nanocomposite modified Au-screen printed electrode has been developed. The working principle of the developed biosensor relies on the measurement of neuraminidase (N) activity. After the optimization of experimental parameters like the effect of bovine serum albumin addition and immobilization times of fetuin A and PNA lectin, the analytical characteristics of the influenza A biosensor were investigated. As a result, a linear range between 10(-8) U mL(-1) and 10(-1) U mL(-1) was found with a relative standard deviation value of 3...
November 14, 2017: Analyst
https://www.readbyqxmd.com/read/29131649/characterization-of-proteomes-extracted-through-collagen-based-stable-isotope-and-radiocarbon-dating-methods
#17
Caroline Wadsworth, Michael Buckley
Isotope analyses on "collagen" extracted from ancient bone have been routinely used for dietary and chronological inferences worldwide for decades. These methods involve the decalcification of biomineralized tissues with acid, often followed by processes to remove exogenous contaminants, and then gelatinization of what is often described as the "collagen" fraction. However, little is known about the relative content of collagen to the many other noncollagenous proteins (NCPs) potentially present. Some of these NCPs have great longevity in ancient bone, and some, for example, fetuin-A, are useful for obtaining better taxonomic information than collagen...
November 13, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29127490/fetuin-a-levels-and-risk-of-type-2-diabetes-mellitus-a-systematic-review-and-meta-analysis
#18
Vivian Yawei Guo, Bing Cao, Chunyan Cai, Kenneth King-Yip Cheng, Bernard Man Yung Cheung
AIMS: Fetuin-A has been linked to insulin resistance and obesity. Its role in the pathogenesis of type 2 diabetes (T2DM) has also been discussed. We aimed to investigate the prospective association of fetuin-A and the risk of T2DM in a systematic review and meta-analysis. METHODS: A systematic search of studies from the MEDLINE, EMBASE, Pubmed and Web of Science using fetuin-A, diabetes and various synonyms was conducted up to June 5, 2017. Relevant studies were extracted by two reviewers independently...
November 11, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/29124050/association-between-healthy-eating-index-2010-and-fetuin-a-levels-in-patients-with-type-2-diabetes-a-case-control-study
#19
Farzad Roshanzamir, Maryam Miraghajani, Marjan Mansourian, Reza Ghiasvand, Seyyed Morteza Safavi
The Healthy Eating Index-2010 (HEI-2010) assesses compliance with the 2010 Dietary Guidelines for Americans. Studies suggest that adherence to the HEI-2010 is related to lower the risk of type 2 diabetes (T2D). Fetuin-A, a novel biomarker for T2D, may play a linking role in the inverse association between HEI-2010 and T2D. Thus, a case-control analysis involving 107 patients with T2D and107 healthy subjects was conducted to determine the association between HEI-2010 and serum fetuin-A levels. The results of simple regression analysis showed that fetuin-A levels were positively associated with full name of body mass index (BMI) (p < 0...
October 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/29122442/serum-fetuin-a-levels-in-obese-children-with-biopsy-proven-nonalcoholic-fatty-liver-disease
#20
V Pampanini, E Inzaghi, D Germani, A Alterio, A Puglianiello, A Alisi, V Nobili, S Cianfarani
BACKGROUND AND AIMS: Fetuin-A has been proposed as a marker of liver damage in adults with obesity-related NAFLD. The aim of this study was to test serum fetuin-A concentrations in obese children with NAFLD diagnosed either by ultrasonography or by liver biopsy and to determine its applicability as predictive tool in pediatric NAFLD. METHODS AND RESULTS: Metabolic parameters and fetuin-A levels were investigated in 81 obese children with NAFLD diagnosed by biopsy, 79 obese children with NAFLD defined by liver ultrasonography and 23 lean subjects...
October 3, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
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