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serum Fetuin A level in chronic kidney disease

Rüya Mutluay, Ceyla Konca Değertekin, Emel Işıktaş Sayılar, Ülver Derici, Serap Gültekin, Sevim Gönen, Selim Turgay Arınsoy, Mahmut Şükrü Sindel
Background/aim: Fetuin-A, a circulating inhibitor of calcification, is a marker of inflammatory-nutritional state. We evaluated the association between serum fetuin-A levels and vascular calcification, intima-media thickness, and nutritional and inflammatory markers in different stages of chronic kidney disease (CKD). Materials and methods: CKD patients were sampled for calcium-phosphate parameters and nutritional and inflammatory markers [highly sensitive C-reactive protein (hs-CRP)], and serum fetuin-A levels...
February 11, 2019: Turkish Journal of Medical Sciences
Andrew Bostom, Andreas Pasch, Tracy Madsen, Mary B Roberts, Nora Franceschini, Dominik Steubl, Pranav S Garimella, Joachim H Ix, Katherine R Tuttle, Anastasia Ivanova, Theresa Shireman, Reginald Gohh, Basma Merhi, Petr Jarolim, John W Kusek, Marc A Pfeffer, Simin Liu, Charles B Eaton
BACKGROUND: "T50," shortened transformation time from primary to secondary calciprotein particles may reflect deranged mineral metabolism predisposing to vascular calcification and cardiovascular disease (CVD). The glycoprotein fetuin-A is a major T50 determinant. METHODS: The Folic Acid For Vascular Outcome Prevention In Transplantation (FAVORIT) cohort is a completed, large, multiethnic controlled clinical trial cohort of chronic, stable kidney transplant recipients (KTRs)...
2018: American Journal of Nephrology
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
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...
March 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
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...
January 2018: International Urology and Nephrology
Hodaka Yamada, Makoto Kuro-O, San-E Ishikawa, Shunsuke Funazaki, Ikuyo Kusaka, Masafumi Kakei, Kazuo Hara
AIM: 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). The relationship of CPPs with factors known to underlie the CKD-MBD pathophysiology is not well known.The aim of this study is to examine daily variations in CPPs as well as their association with mineral metabolism parameters in normal individuals and early-stage CKD patients...
March 2018: Nephrology
Seishi Aihara, Shunsuke Yamada, Yushi Uchida, Hokuto Arase, Akihiro Tsuchimoto, Toshiaki Nakano, Masatomo Taniguchi, Harumichi Higashi, Takanari Kitazono, Kazuhiko Tsuruya
We present the case of a non-dialyzed patient with chronic kidney disease and biopsy-proven calciphylaxis who presented with painful cutaneous ulcers on both legs. The skin ulcers drastically improved within 6 months after the initiation of hemodialysis, aggressive wound care, the control of a mineral and bone disorder, and the administration of sodium thiosulfate and hyperbaric oxygen therapy. Notably, the patient's serum levels of C-reactive protein and calciprotein particles decreased and her serum albumin and fetuin-A levels increased in parallel with the alleviation of her calciphylaxis...
2016: Internal Medicine
Ilona Kurnatowska, Piotr Grzelak, Anna Masajtis-Zagajewska, Magdalena Kaczmarska, Ludomir Stefańczyk, Cees Vermeer, Katarzyna Maresz, Michał Nowicki
BACKGROUND/AIMS: Desphospho-uncarboxylated matrix Gla protein (dp-ucMGP) is formed as a result of vitamin K insufficiency. The aim of this study was to investigate the association between plasma dp-ucMGP, kidney function and cardiovascular risk factors before and after 9-months substitution of vitamin K2 in non-dialysis patients with chronic kidney disease (CKD) stage 4 and 5. METHODS: 38 CKD patients were supplemented for 270±12 days with 90 µg vitamin K2 and 10 µg cholecalciferol or 10 µg cholecalciferol alone...
2016: Kidney & Blood Pressure Research
Marijke Dekker, Andreas Pasch, Frank van der Sande, Constantijn Konings, Matthias Bachtler, Mauro Dionisi, Matthias Meier, Jeroen Kooman, Bernard Canaud
BACKGROUND: Calciprotein particles (CPPs) may play an important role in the calcification process. The calcification propensity of serum (T50) is highly predictive of all-cause mortality in chronic kidney disease patients. Whether T50 is therapeutically improvable, by high-flux hemodialysis (HD) or hemodiafiltration (HDF), has not been studied yet. METHODS: We designed a cross-sectional single center study, and included stable prevalent in-center dialysis patients on HD or HDF...
2016: PloS One
A Mann, V Makkar, S Mann, P Dhamija, P Soundarajan
Fetuin-A levels, its correlation with vascular calcification and other biochemical markers of chronic kidney disease-mineral and bone disorder (CKD-MBD) has not been studied in Indian end-stage renal disease population. Forty patients on dialysis for more than 3 months were studied. Biochemical parameters of CKD-MBD, highly sensitive-C reactive protein (hs-CRP), lipid profile and fetuin-A levels were estimated. Multi-slice computed tomography (MSCT) at the level of L1-L4 was done, and calcification score calculated using AJ 130 smart score...
January 2016: Indian Journal of Nephrology
Shunsuke Yamada, Masanori Tokumoto, Kazuhiko Tsuruya, Narihito Tatsumoto, Hideko Noguchi, Takanari Kitazono, Hiroaki Ooboshi
Although dietary phosphate restriction is important for treating hyperphosphatemia in patients with chronic kidney disease, it remains unclear whether a low-protein diet (LPD), which contains low phosphate, has beneficial effects on malnutrition, inflammation, and vascular calcification. The effects of LPD on inflammation, malnutrition, and vascular calcification were therefore assessed in rats. Rats were fed a normal diet or diets containing 0.3% adenine and low/normal protein and low/high phosphate. After 6 wk, serum and urinary biochemical parameters, systemic inflammation, and vascular calcification were examined...
October 15, 2015: American Journal of Physiology. Renal Physiology
I Kocyigit, A Unal, D Elcik, H Korkar, A Sen, M Yasan, E Eroglu, M H Sipahioglu, B Tokgoz, O Oymak
BACKGROUND: The presence of cardiac valvular calcification in patients with chronic kidney disease has become important. We aimed to evaluate the prevalence of cardiac valvular calcification and its association with serum Fetuin-A levels in kidney transplant recipients. METHODS: The cardiac valvular calcification was assessed by echocardiography in 89 kidney transplant recipients. Serum Fetuin-A levels were measured by use of the enzyme-linked immunosorbent assay method...
June 2015: Transplantation Proceedings
Sophie de Seigneux, Belen Ponte, Lena Berchtold, Karine Hadaya, Pierre-Yves Martin, Andreas Pasch
Living kidney donors (LKDs) experience a decline in glomerular filtration rate (GFR) after donation. Calcification propensity (T50 ) can be determined by a blood test predicting all-cause mortality in patients with chronic kidney disease. We studied the impact of kidney donation on T50 and markers of arterial stiffness. We analyzed T50 prospectively before and 1 year after kidney donation in 21 LKDs along with fetuin-A, mineral metabolism markers, kidney length, pulse wave velocity (PWV), augmentation index (AI), and renal resistive index (RRI) as markers of arterial stiffness...
September 2015: Transplant International: Official Journal of the European Society for Organ Transplantation
Makoto Kuroo
Phosphate restriction has been shown to improve clinical outcomes in patients with chronic kidney disease (CKD) . However, the molecular mechanism underlying the harm in phosphate overload remains unclear. Recent studies suggest that the true culprit of phosphate toxicity may not be phosphate per se but calciprotein particles (CPPs) , colloidal nanoparticles composed of calcium phosphate crystals and mineral binding proteins such as Fetuin-A. CPPs are highly bioactive ligands that induce cell damage and innate immune responses...
December 2014: Clinical Calcium
Luis Alberto Batista Peres, Pedro Paulo Verona Pércio
Vascular calcifications has been associated with bone and mineral disorders. The alterations in the serum level of calcium concentrations and phosphate are importants factors implicated in the arterial calcification in chronic kidney disease. The pathogenesis of vascular calcification is a complex mechanism and not completely clear, being able to correspond to an active process of cellular transformation and heterotopic ossification. Beyond the hypercalcemia and hyperphosphatemia, they are involved in this process changes in the metabolism of inhibitors and promoters of calcification such as fetuin A, osteopontin, osteoprotegerin, and matrix gla protein...
April 2014: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Annick Massart, Frédéric Daniel Debelle, Judith Racapé, Christine Gervy, Cécile Husson, Michel Dhaene, Karl Martin Wissing, Joëlle Louise Nortier
BACKGROUND: The 2009 KDIGO (Kidney Disease: Improving Global Outcomes) chronic kidney disease-mineral and bone disorder clinical practice guideline suggests correcting 25-hydroxyvitamin D3 (25[OH]D) levels<30ng/mL in patients treated with maintenance hemodialysis, but does not provide a specific treatment protocol. STUDY DESIGN: 2-center, double-blind, randomized, 13-week, controlled trial followed by a 26-week open-label study. SETTING & PARTICIPANTS: 55 adult maintenance hemodialysis patients with 25(OH)D levels<30ng/mL were recruited from June 2008 through October 2009...
November 2014: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Junlin Zhan, Jianbo Liang, Zebin Wang
OBJECTIVE: To investigate the association of fetuin-A with residual renal function and carotid artery calcification in patients with chronic kidney disease (CKD). METHODS: Blood examples were collected form 60 CKD patients in stages CKD3 to CKD5 (20 patients per stage) for measurement of serum fetuin-A, albumin, calcium, phosphorus and parathyroid hormone, cholesterol, triglycercide, low-density lipoprotein, and high-density lipoprotein. MDRD equation was used to calculate the estimated glomerular filtration rate (eGFR), and ELISA was used to detect serum fetuin-A...
November 2013: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Jianbo Liang, Zebin Wang, Guohui Liu, Junlin Zhan, Liping Jiang, Zongpei Jiang
Serum fetuin A has been shown to be associated with the risk of vascular calcification and atherosclerosis, and it can predict the onset of cardiovascular mortality in dialysis patients. The carotid intima-media thickness (cIMT) is an accessible and reliable method to identify the subclinical atherosclerosis. The aim of this study was to investigate the relationships between dialysate calcium concentrations and fetuin A or cIMT in patients undergoing peritoneal dialysis (PD). Forty patients, newly diagnosed end-stage renal disease (ESRD) and undergoing peritoneal dialysis, were enrolled in the study, with a calcium content of the peritoneal dialysis (PD) solution of 1...
February 2014: Renal Failure
Hye Ryoun Kim, Su-Hyun Kim, Min-Ji Han, Yu-Sik Yoon, Dong-Jin Oh
BACKGROUND: The aim of the present study was to compare levels of fetuin-A, osteoprotegerin (OPG), and heat shock protein (HSP)70 according to the stage of chronic kidney disease (CKD), as well as to evaluate the association between serum fetuin-A, OPG, and HSP70 concentrations with respect to vascular stiffness and calcification in hemodialysis (HD) patients. METHODS: We measured fetuin-A, OPG, and HSP70 in 35 healthy controls, 35 patients with stage 3 CKD, 35 patients with stage 4 CKD, and 81 HD patients...
2013: Nephron. Clinical Practice
Maria Meneghini, Anna Regalia, Carlo Alfieri, Francesco Barretta, Daniela Croci, Maria Teresa Gandolfo, Simone Vettoretti, Maria Pia Rastaldi, Piergiorgio Messa
BACKGROUND: Vascular calcifications (VCs) are a cardiovascular risk factor in patients affected by chronic kidney disease and after kidney transplantation (KTx). We evaluated the prevalence of VCs at the abdominal aortic site in KTx patients at the time of transplantation and 1 year after KTx, exploring the possibly associated factors. METHODS: In 107 transplanted patients, the following parameters were evaluated at the first and twelfth month after KTx: the aortic calcification index (ACI), fibroblast growth factor 23, osteoprotegerin (OPG), fetuin A, and clinical and biochemical parameters...
July 15, 2013: Transplantation
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