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Biomarkers CKD

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https://www.readbyqxmd.com/read/28535521/fibroblast-growth-factor-23-mineral-metabolism-and-beyond
#1
Alexander Grabner, Sandro Mazzaferro, Giuseppe Cianciolo, Stefanie Krick, Irene Capelli, Silverio Rotondi, Claudio Ronco, Gaetano La Manna, Christian Faul
Patients affected by chronic kidney disease (CKD) exhibit a high risk of cardiovascular mortality that is poorly explained by traditional risk factors. There is a growing awareness about the role of derangement of mineral metabolism that is currently accepted as a trigger and sustainer of cardiovascular disease (CVD) in CKD patients. The synthetic definition of CKD mineral and bone disorder (CKD-MBD) split the concept that the indexes of mineral metabolism extend their effects beyond the bone until the vascular wall and metabolic milieu of CKD patients through complex pathways...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28534128/cathepsin-l-activity-correlates-with-proteinuria-in-chronic-kidney-disease-in-humans
#2
Yu Cao, Xing Liu, Ying Li, Yao Lu, Hua Zhong, Weihong Jiang, Alex F Chen, Timothy R Billiar, Hong Yuan, Jingjing Cai
BACKGROUND: The presence and severity of proteinuria is considered an important prognostic marker in patients with chronic kidney disease (CKD) and is associated with mortality and morbidity. Cathepsin L is highly expressed in the foot processes of podocytes in the kidney, which serves as an ultrafiltration barrier. Cathepsin L is also up-regulated in the setting of inflammation as a feature of CKD. Therefore, we postulated that proteinuria severity in CKD patients might correlate with increased serum levels of cathepsin L...
May 22, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28532709/image-texture-features-predict-renal-function-decline-in-patients-with-autosomal-dominant-polycystic-kidney-disease
#3
Timothy L Kline, Panagiotis Korfiatis, Marie E Edwards, Kyongtae T Bae, Alan Yu, Arlene B Chapman, Michal Mrug, Jared J Grantham, Douglas Landsittel, William M Bennett, Bernard F King, Peter C Harris, Vicente E Torres, Bradley J Erickson
Magnetic resonance imaging (MRI) examinations provide high-resolution information about the anatomic structure of the kidneys and are used to measure total kidney volume (TKV) in patients with Autosomal Dominant Polycystic Kidney Disease (ADPKD). Height-adjusted TKV (HtTKV) has become the gold-standard imaging biomarker for ADPKD progression at early stages of the disease when estimated glomerular filtration rate (eGFR) is still normal. However, HtTKV does not take advantage of the wealth of information provided by MRI...
May 20, 2017: Kidney International
https://www.readbyqxmd.com/read/28526293/new-biomarkers-defining-a-novel-early-stage-of-fabry-nephropathy-a-diagnostic-test-study
#4
Patrício Aguiar, Olga Azevedo, Rui Pinto, Jacira Marino, Robert Baker, Carlos Cardoso, José Luís Ducla Soares, Derralynn Hughes
BACKGROUND: Renal involvement in Fabry disease is a major determinant of overall disease prognosis and early enzyme replacement therapy seems effective in preventing progression of kidney injury. Gb3 storage, glomerular sclerosis and tubulo-interstitial fibrosis may occur with minimal or no changes on standard renal tests, hence alternative markers of renal dysfunction are crucial. In this study we compared several biomarkers with albuminuria in the identification of incipient Fabry nephropathy and their diagnostic accuracy to identify chronic kidney disease (CKD) stage≥2...
May 13, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28522654/diabetic-kidney-disease-challenges-progress-and-possibilities
#5
Radica Z Alicic, Michele T Rooney, Katherine R Tuttle
Diabetic kidney disease develops in approximately 40% of patients who are diabetic and is the leading cause of CKD worldwide. Although ESRD may be the most recognizable consequence of diabetic kidney disease, the majority of patients actually die from cardiovascular diseases and infections before needing kidney replacement therapy. The natural history of diabetic kidney disease includes glomerular hyperfiltration, progressive albuminuria, declining GFR, and ultimately, ESRD. Metabolic changes associated with diabetes lead to glomerular hypertrophy, glomerulosclerosis, and tubulointerstitial inflammation and fibrosis...
May 18, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28502032/circulating-markers-of-bone-turnover
#6
REVIEW
Marc G Vervloet, Vincent M Brandenburg
Renal osteodystrophy is a feature of chronic kidney disease (CKD), with increasing prevalence as CKD progresses. This bone disease is responsible for major morbidity, including fractures, and a deterioration in the quality of life and its sequelae. Circulating biomarkers of renal osteodystrophy typically indicate bone turnover, but not other features of bone, like bone volume, mineralization, quality or strength. Bone turnover can be considered to be primarily a reflection of bone cell activity, in particular that of osteoblasts and osteoclasts...
May 13, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28493902/circulating-levels-of-sclerostin-but-not-dkk1-associate-with-laboratory-parameters-of-ckd-mbd
#7
Geert J Behets, Liesbeth Viaene, Björn Meijers, Frank Blocki, Vincent M Brandenburg, Anja Verhulst, Patrick C D'Haese, Pieter Evenepoel
INTRODUCTION: Mounting evidence indicates that a disturbed Wnt-β-catenin signaling may be involved in the pathogenesis of chronic kidney disease-mineral and bone and mineral disorder (CKD-MBD). Data on the impact of CKD on circulating levels of the Wnt antagonists sclerostin and Dickkopf related protein 1 (DKK1) and the relationship with laboratory parameters of CKD-MBD are incomplete. METHODS: We analyzed serum sclerostin and DKK1 in 308 patients across the stages of chronic kidney disease (kDOQI stage 1-2 n = 41; CKD stage 3 n = 54; CKD stage 4-5 n = 54; hemodialysis n = 100; peritoneal dialysis n = 59) as well as in 49 healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28491286/unwinding-focal-segmental-glomerulosclerosis
#8
REVIEW
Vasil Peev, Eunsil Hahm, Jochen Reiser
Focal segmental glomerulosclerosis (FSGS) represents the most common primary glomerular disease responsible for the development of end-stage renal disease (ESRD) in the United States (US). The disease progresses from podocyte injury to chronic kidney disease (CKD), ultimately leading to total nephron degeneration. Extensive basic science research has been conducted to unwind the mechanisms of FSGS and, with those insights, understand major contributors of CKD in general. As a result, several putative molecules and pathways have been studied, all implicated in the disease; some serve, in addition, as early biomarkers...
2017: F1000Research
https://www.readbyqxmd.com/read/28490443/peripheral-insulin-resistance-in-ilk-depleted-mice-by-reduction-of-glut4-expression
#9
Marco Hatem-Vaquero, Mercedes Griera, Andrea Garcia-Jerez, Alicia Luengo, Julia Alvarez-Hernandez, Jose Antonio Rubio-Garcia, Laura Calleros, Diego Rodriguez-Puyol, Manuel Rodriguez-Puyol, Sergio de Frutos
The development of insulin resistance is characterized by the impairment of glucose uptake mediated by glucose transporter 4 (GLUT4). Extracellular matrix changes are induced when the metabolic dysregulation is sustained. The present work was devoted to analyze the possible link between the extracellular-to-intracellular mediator integrin linked kinase (ILK) and the peripheral tissue modification that leads to glucose homeostasis impairment. Mice with general depletion of ILK in adulthood (cKD-ILK) maintained in a chow diet exhibited increased glycaemia and insulinemia concurrently with a reduction of the expression and membranes presence of GLUT4 in the insulin-sensitive peripheral tissues compared with their wildtype littermates (WT)...
May 10, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28489742/circulating-tnf-receptors-predict-cardiovascular-disease-in-patients-with-chronic-kidney-disease
#10
Eunjin Bae, Ran-Hui Cha, Yong C Kim, Jung N An, Dong K Kim, Kyung D Yoo, Su M Lee, Myoung-Hee Kim, Jung T Park, Shin-Wook Kang, Jae Y Park, Chun S Lim, Yon S Kim, Seung H Yang, Jung P Lee
Cardiovascular disease (CVD) is the main public health problem in patients with chronic kidney disease (CKD); however, there is no established biomarker for predicting CVD morbidity and mortality in CKD. The aim of this study was to evaluate the role of circulating tumor necrosis factor receptors (cTNFRs) in predicting CVD risk in CKD patients.We prospectively recruited 984 patients with CKD from 11 centers between 2006 and 2012. The levels of cTNFR1 and cTNFR2 were determined by performing an enzyme-linked immunosorbent assay...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28483464/urinary-albumin-excretion-and-chronic-kidney-disease-in-children-with-vesicoureteral-reflux
#11
Romaine de Sépibus, François Cachat, Blaise J Meyrat, Gezim Dushi, Ariane Boubaker, Mohamed Faouzi, Eric Girardin, Hassib Chehade
BACKGROUND: Albuminuria is a potential biomarker of chronic kidney disease (CKD) in various glomerular diseases. Vesicoureteral reflux (VUR) often progresses to CKD, and study is required of use of albuminuria as a biomarker for this condition. The aim of this study was to evaluate the association between albuminuria and glomerular filtration rate (GFR) or filtration fraction (FF) in children with VUR. STUDY DESIGN: In this retrospective study, renal parameters of 141 children with VUR were investigated, using inulin clearance, FF, and albuminuria...
April 26, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28481304/roles-of-glycoproteins-in-the-diagnosis-and-differential-diagnosis-of-chronic-and-latent-keshan-disease
#12
Sen Wang, Zheng Fan, Bing Zhou, Yingting Wang, Peiru Du, Wuhong Tan, Mikko J Lammi, Xiong Guo
We aimed to explore the roles of glycoproteins in the pathogenesis of chronic and latent Keshan disease (CKD and LKD), and screen the lectins as indicators of significant differences in glycoproteins of KD saliva and serum. Blood and saliva were collected from 50 CKD, 50 LKD patients and 54 normal individuals. Saliva and serum lectin microarrays and saliva and serum microarrays were used to screen and verify the differences in the levels of lectin among the three groups. In the male saliva lectin microarray, Solanum tuberosum (potato) lectin (STL) and other 9 lectins showed differences between CKD and normal; STL and other 9 lectins showed differences between LKD and normal; Aleuria aurantia lectin (AAL) and other 15 lectins showed differences between CKD and LKD...
May 8, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28476556/subclinical-chronic-kidney-disease-modifies-the-diagnosis-of-experimental-acute-kidney-injury
#13
Lena Succar, Timothy J Pianta, Trent Davidson, John W Pickering, Zoltán H Endre
Extensive structural damage within the kidney must be present before serum creatinine increases. However, a subclinical phase of chronic kidney disease (CKD) usually goes undetected. Here we tested whether experimental subclinical CKD would modify functional and damage biomarker profiles of acute kidney injury (AKI). Subclinical CKD was induced in rats by adenine or aristolochic acid models but without increasing serum creatinine. After prolonged recovery (three to six weeks), AKI was induced with a subnephrotoxic dose of cisplatin...
May 2, 2017: Kidney International
https://www.readbyqxmd.com/read/28471955/serum-vegf-c-levels-as-a-candidate-biomarker-of-hypervolemia-in-chronic-kidney-disease
#14
Tuncay Sahutoglu, Tamer Sakaci, Nuri B Hasbal, Elbis Ahbap, Ekrem Kara, Mutlu C Sumerkan, Mustafa Sevinc, Cuneyt Akgol, Yener Koc, Taner Basturk, Abdulkadir Unsal
Attaining and maintaining optimal "dry weight" is one of the principal goals during maintenance hemodialysis (MHD). Recent studies have shown a close relationship between Na load and serum vascular endothelial growth factor-C (VEGF-C) levels; thus, we aimed to investigate the role of VEGF-C as a candidate biomarker of hypervolemia. Physical examination, basic laboratory tests, N-terminal pro b-type natriuretic peptide (NT-ProBNP), echocardiography, and bioimpedance spectroscopy data of 3 groups of study subjects (euvolemic MHD patients, healthy controls, and hypervolemic chronic kidney disease [CKD] patients) were analyzed...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28443950/chronic-kidney-disease-determinants-of-progression-and-cardiovascular-risk-progredir-cohort-study-design-and-methods
#15
Maria Alice Muniz Domingos, Alessandra Carvalho Goulart, Paulo Andrade Lotufo, Isabela Judith Martins Benseñor, Silvia Maria de Oliveira Titan
CONTEXT AND OBJECTIVE: Chronic kidney disease (CKD) has become an important public health issue. The socioeconomic burden of renal replacement therapy (RRT) is very high, as is CKD-related cardiovascular mortality and morbidity. Preventive and therapeutic measures only have modest impact and more research is needed. Few cohort studies have been conducted on populations with CKD. Our aim was to establish a cohort that would include more advanced forms of CKD (stages 3 and 4). Data collection was focused on renal and cardiovascular parameters...
March 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28439468/a-link-between-central-kynurenine-metabolism-and-bone-strength-in-rats-with-chronic-kidney-disease
#16
Bartlomiej Kalaska, Krystyna Pawlak, Ewa Oksztulska-Kolanek, Tomasz Domaniewski, Beata Znorko, Malgorzata Karbowska, Aleksandra Citkowska, Joanna Rogalska, Alicja Roszczenko, Malgorzata M Brzoska, Dariusz Pawlak
BACKGROUND: Disturbances in mineral and bone metabolism represent one of the most complex complications of chronic kidney disease (CKD). Serotonin, a monoamine synthesized from tryptophan, may play a potential role in bone metabolism. Brain-derived serotonin exerts a positive effect on the bone structure by limiting bone resorption and enhancing bone formation. Tryptophan is the precursor not only to the serotonin but also and primarily to kynurenine metabolites. The ultimate aim of the present study was to determine the association between central kynurenine metabolism and biomechanical as well as geometrical properties of bone in the experimental model of the early stage of CKD...
2017: PeerJ
https://www.readbyqxmd.com/read/28434480/how-to-assess-and-manage-cardiovascular-risk-associated-with-lipid-alterations-beyond-ldl
#17
Maurizio Averna, Erik Stroes
BACKGROUND AND AIMS: The maintenance of clinically recommended levels of low-density lipoprotein cholesterol (LDL-C) through a statin therapy is a gold standard in the management of patients with dyslipidaemia and cardiovascular disease (CVD). However, even when LDL-C levels are at or below clinically recommended target levels, residual cardiovascular (CV) risk still remains. Therefore, assessing lipoproteins beyond LDL-C in managing CV risk is imperative. METHODS: A working group of clinical experts have assessed the role of lipoproteins other than LDL-C in identifying the CV risk in patients with dyslipidaemia and CVD and in the management of atherogenic dyslipidaemia associated with a number of other diseases...
April 2017: Atherosclerosis. Supplements
https://www.readbyqxmd.com/read/28434090/a-best-practice-position-statement-on-the-role-of-the-nephrologist-in-the-prevention-and-follow-up-of-preeclampsia-the-italian-study-group-on-kidney-and-pregnancy
#18
Giorgina Barbara Piccoli, Gianfranca Cabiddu, Santina Castellino, Giuseppe Gernone, Domenico Santoro, Gabriella Moroni, Donatella Spotti, Franca Giacchino, Rossella Attini, Monica Limardo, Stefania Maxia, Antioco Fois, Linda Gammaro, Tullia Todros
Preeclampsia (PE) is a protean syndrome causing a transitory kidney disease, characterised by hypertension and proteinuria, ultimately reversible after delivery. Its prevalence is variously estimated, from 3 to 5% to 10% if all the related disorders, including also pregnancy-induced hypertension (PIH) and HELLP syndrome (haemolysis, increase in liver enzyme, low platelets) are included. Both nephrologists and obstetricians are involved in the management of the disease, according to different protocols, and the clinical management, as well as the role for each specialty, differs worldwide...
April 22, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28430784/non-invasive-quantification-of-collagen-turnover-in-renal-transplant-recipients
#19
Elisabeth G D Stribos, Signe Holm Nielsen, Susanne Brix, Morten Asser Karsdal, Marc A Seelen, Harry van Goor, Stephan J L Bakker, Peter Olinga, Henricus A M Mutsaers, Federica Genovese
Kidney allograft failure due to chronic injury/rejection remains the main cause of graft loss in renal transplant recipients (RTR). Here, we investigated whether specific biomarkers of extracellular matrix (ECM) turnover are associated with allograft function and chronic kidney disease (CKD) stage in RTR. Seventy-eight patients who attended the University Medical Center Groningen for a routine check-up after kidney transplantation were enrolled in the study. Plasma and/or 24h-urine samples were collected and specific matrix-metalloproteinase-generated neo-epitope fragments of collagens were measured by enzyme-linked immunosorbent assay...
2017: PloS One
https://www.readbyqxmd.com/read/28429560/is-there-a-role-for-newer-biomarkers-in-chronic-kidney-disease-mineral-and-bone-disorder-management
#20
Sven-Jean Tan, Michael Mx Cai
The current management of Chronic Kidney Disease-Mineral Bone Disorder (CKD-MBD) relies largely on clinical judgement and assessment of biochemical parameters including serum calcium, phosphate and intact parathyroid hormone concentrations. In the past two decades, there has been a leap in the understanding of the pathophysiology of CKD-MBD, leading to the discovery of novel biomarkers. The potential utility of these markers in this clinical setting is an area of intense investigation. In the absence of any guidelines aiding the clinician's understanding and application of these markers, we summarise the current available literature surrounding fibroblast growth factor-23, α-Klotho, sclerostin and serum calcification propensity testing and their respective assays in the context of CKD-MBD management...
March 2017: Nephrology
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