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markers in chronic kidney disease

Taner Basturk, Ozlem Sari, Yener Koc, Nezaket Eren, Mahmoud Isleem, Ekrem Kara, Mustafa Sevinc, Tamer Sakaci, Elbis Ahbap, Nuri B Hasbal, Feyza B Caglayan, Abdulkadir Unsal
BACKGROUND: Neutrophilgelatinase-associated lipocalin (NGAL) has been proven to be a useful biomarker for early detection of acute kidney injury, but it is not known whether adding NGAL measurements to conventional risk factors will improve the risk assessment in the setting of chronic kidney disease (CKD). The aim of the present study was to examine the correlation of NGAL with early stage renal impairment in CKD and to evaluate its prognostic value in these subjects. METHODS: This is a prospective observational cohort study of 54 patients with early stage (stage 1-2) CKD...
October 21, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
Herman G Sprenger, Wouter F Bierman, Melanie I Martes, Reindert Graaff, Tjip S Van Der Werf, Andries J Smit
OBJECTIVE: HIV-1 infection is associated with an increased cardiovascular disease (CVD) risk. Advanced glycation end products (AGEs) are formed as stable markers of glycemic and oxidative stress. Skin autofluorescence (SAF) as marker of accumulated AGEs is increased and predictive of CVD events in diabetes mellitus, chronic kidney disease (CKD) and pre-existing CVD. We determined SAF levels in HIV-1 infected patients, testing the hypothesis that SAF predicts CVD events in HIV infection...
October 18, 2016: AIDS
Laurent Nyssen, Pierre Delanaye, Caroline Le Goff, Stéphanie Peeters, Étienne Cavalier
BACKGROUND: Chronic kidney disease (CKD) is diagnosed and explored through the determination of the glomerular filtration rate (GFR). Our goal was to develop a simple LC-MS method for the determination in serum of 2 popular GFR markers, contrast agents iohexol and iothalamate, for routine use and comparison studies between the two markers. A similar contrast agent, ioversol, was used as an internal standard and the method underwent a rigorous validation protocol based on β-expectation tolerance intervals...
October 15, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
Ana Vrdoljak, Vanja Ivković, Sandra Karanović, Živka Dika, Ivana Vuković, Jelena Kos, Mario Laganović, Tajana Željković Vrkić, Margareta Fištrek Prlić, Ivan Pećin, Bojan Jelaković
OBJECTIVE: It was observed that glomerular hyperfiltration (GHF) is associated with progression of kidney disease in diabetics, patients in stage 1 hypertension (HT), and we found previously that eGFR decreased faster also in prehypertensives (PHT) with GHF. Here we analyzed whether GHF in PHT is associated with other biomarkers of early renal impairment. DESIGN AND METHOD: From 954 subjects enrolled in ENAH follow-up study, 371(137 m;mean age = 46years) were eligible for further analysis:100 with optimal,72 with normal BP,70 with PHT(high normal BP),and 129 with newly diagnosed untreated HT...
September 2016: Journal of Hypertension
Tien Wong
The vasculature in the retina can be viewed directly and non-invasively in vivo, offers a unique perspective of the human microvasculature, and therefore the ability to understand early changes, processes, pathways and consequences of hypertension. In the past 15 years, advances in high resolution digital retinal photography and automated or semi-automated computer image software have been applied to measure and quantify a variety of retinal microvascular parameter, including retinal arteriolar and venular caliber, tortuosity, branching patterns and fractal dimensions...
September 2016: Journal of Hypertension
Prasenjit Das, Ramakant Rawat, Anil K Verma, Geetika Singh, Archana G Vallonthaiel, Rajni Yadav, Gaurav P S Gahlot, Amit K Dinda, Vineet Ahuja, Siddhartha Datta Gupta, Sanjay K Agarwal, Govind K Makharia
Tissue transglutaminase 2 enzyme plays a diverse role in intracellular and extracellular functioning. Aberrant expression of anti-TG2 antibody has recently been proposed for extraintestinal identification of celiac disease (CeD), but its utility is questionable. To examine whether anti-TG2 immunohistochemical (IHC) staining can be of diagnostic value in identifying extraintestinal involvement in CeD, tissue blocks of patients with IgA nephropathies (IgAN), minimal change disease, membranous glomerulonephritis, membrano-proliferative glomerulonephritis, normal kidney, intestinal biopsies from CeD, tropical sprue, nonspecific duodenitis, and inflammatory bowel disease; liver biopsies from patients with chronic hepatitis B and C, acute liver failure (ALF), and CeD-associated liver diseases were retrieved and subjected to IHC staining for anti-tissue transglutaminase 2 enzyme...
October 7, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
Fang-Fei Wei, Nadja E A Drummen, Lutgarde Thijs, Lotte Jacobs, Marjolein Herfs, Cynthia Van't Hoofd, Cees Vermeer, Jan A Staessen
Vitamin-K-dependent carboxylation of matrix Gla protein (MGP) protects the macrocirculation against calcification. We recently reported in a multiethnic population study that the estimated glomerular filtration rate, a microvascular trait, decreased and the risk of chronic kidney disease increased with higher circulating levels of inactive dephospho-uncarboxylated MGP, a marker of vitamin K deficiency. These findings highlighted the possibility that vitamin K might have a beneficial effect on the renal microcirculation...
September 2016: Pulse (Basel, Switzerland)
Farag E Salama, Qasem A Anass, Abdelnaem A Abdelrahman, Elsayed B Saeed
Cardiovascular disease is the leading cause of morbidity and mortality in patients with chronic kidney disease (CKD). The carotid intima-media thickness (CIMT) and arterial stiffness are useful markers of subclinical atherosclerosis and significantly correlate with various metabolic risk factors. Chemerin is one of the adipokines that may represent a link between obesity and inflammation and may be a potential candidate playing a role in the pathogenesis of atherosclerosis and cardiovascular complications. Therefore, we studied the relationship of chemerin levels with atherosclerosis as measured by CIMT in diabetic CKD patients, either predialysis or on hemodialysis (HD)...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
Natália A Borges, Amanda F Barros, Lia S Nakao, Carla J Dolenga, Denis Fouque, Denise Mafra
OBJECTIVE: Protein-bound uremic toxins from gut microbiota tend to accumulate in chronic kidney disease (CKD) patients and are poorly removed by current dialysis techniques. These toxins induce inflammation and are associated with cardiovascular disease (CVD). The aim of this study was to report the relationship between uremic toxins and inflammatory and cardiovascular markers in CKD patients. DESIGN: This was a cross sectional study. SUBJECTS: Twenty-one nondialysis patients were included (43% men, 63...
November 2016: Journal of Renal Nutrition
Catharine M Sturgeon, Stuart Sprague, Alison Almond, Etienne Cavalier, William D Fraser, Alicia Schimnich-Algeciras, Ravinder Singh, Jean-Claude Souberbielle, Hubert W Vesper
Parathyroid hormone (PTH) measurement in serum or plasma is a necessary tool for the exploration of calcium/phosphorus disorders, and is widely used as a surrogate marker to assess skeletal and mineral disorders associated with chronic kidney disease (CKD), referred to as CKD-bone mineral disorders (CKD-BMD). CKD currently affects >10% of the adult population in the United States and represents a major health issue worldwide. Disturbances in mineral metabolism and fractures in CKD patients are associated with increased morbidity and mortality...
October 13, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
Christina M Wyatt, Tilman B Drüeke
The treatment of anemia with erythropoiesis-stimulating agents and iron supplementation has become the standard of care in patients with chronic kidney disease. Because of the risks associated with this approach, hypoxia inducible factor stabilizing prolyl hydroxylase inhibitors were developed as a potential treatment alternative. In recent phase 2 trials, these agents raised hemoglobin in a predictable and controlled manner and improved markers of iron metabolism. More experience is needed to establish long-term efficacy, tolerability, and safety, and to determine whether their use is associated with lower iron requirements...
November 2016: Kidney International
Carsten Paul Bramlage, Britta Froelich, Manuel Wallbach, Joan Minguet, Clemens Grupp, Cornelia Deutsch, Peter Bramlage, Michael Koziolek, Gerhard Anton Müller
In patients with rheumatic diseases, reliable markers for determining disease activity are scarce. One potential parameter is the level of immunoglobulin free light chains (FLCs), which is known to be elevated in the blood of patients with certain rheumatic diseases. Few studies have quantified FLCs in urine, a convenient source of test sample, in patients with different rheumatic diseases. We carried out a retrospective analysis of patients with rheumatic disease attending the University hospital of Goettingen, Germany...
October 12, 2016: Clinical Rheumatology
Bin Wang, Lilu Lin, Haidong Wang, Honglei Guo, Yong Gu, Wei Ding
The renin-angiotensin-aldosterone system (RAAS) is overactivated in patients with chronic kidney disease. Oxidative stress and endoplasmic reticulum stress (ERS) are two major mechanisms responsible for aldosterone-induced kidney injury. Cyclophilin (CYP) B is a chaperone protein that accelerates the rate of protein folding through its peptidyl-prolyl cis-trans isomerase (PPIase) activity. We report that overexpression of wild-type CYPB attenuated aldosterone-induced oxidative stress (evidenced by reduced production of reactive oxygen species and improved mitochondrial dysfunction), ERS (indicated by reduced expression of the ERS markers glucose-regulated protein 78 [GRP78] and C/-EBP homologous protein [CHOP]), and tubular cell apoptosis in comparison with aldosterone-induced human kidney-2 (HK-2) cells...
October 6, 2016: Oncotarget
Robin Satanovskij, Alhaddad Bader, Matthias Block, Victor Herbst, Wolfgang Schlumberger, Tobias Haack, Wolfgang Andreas Nockher, Uwe Heemann, Lutz Renders, Christoph Schmaderer, Susanne Angermann, Ming Wen, Thomas Meitinger, Jürgen Scherberich, Dominik Steubl
BACKGROUND: Uromodulin-associated Autosomal Dominant Tubulointerstitial Kidney Disease (ADTKD-UMOD) belongs to a group of autosomal dominant inherited diseases caused by mutations in the UMOD gene, which codes for uromodulin, a protein exclusively expressed in renal tubular cells of the ascending limb of the loop of Henle. The diagnosis is hampered by non-specific clinical, laboratory and histological findings. In this study, we evaluated serum uromodulin as diagnostic marker for ADTKD-UMOD in a family with a novel mutation in UMOD...
October 10, 2016: Clinical Biochemistry
Shuhei Takahashi, Kazunori Shimada, Katsumi Miyauchi, Tetsuro Miyazaki, Eiryu Sai, Manabu Ogita, Shuta Tsuboi, Hiroshi Tamura, Shinya Okazaki, Tomoyuki Shiozawa, Shohei Ouchi, Tatsuro Aikawa, Tomoyasu Kadoguchi, Hamad Al Shahi, Takuma Yoshihara, Makoto Hiki, Kikuo Isoda, Hiroyuki Daida
BACKGROUND: Postprandial hyperglycemia plays an important role in the pathogenesis of coronary artery disease and cardiovascular events. Serum 1,5-anhydroglucitol (1,5-AG) levels are known to be a clinical marker of postprandial hyperglycemia. However, the impact of 1,5-AG level on cardiovascular events has not been fully investigated. METHODS: We enrolled 240 consecutive patients who had undergone first-time elective percutaneous coronary intervention (PCI) with follow-up angiography within 1 year...
October 11, 2016: Cardiovascular Diabetology
D Chaitanya Reddy, Shaikh Mohammed Aslam S
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Song Yang, Jing Cai, Rulan Lu, Jian Wu, Min Zhang, Xianju Zhou
OBJECTIVE: Chronic kidney disease (CKD) is associated with cerebral small vessel disease (cSVD). However, the relationship between serum cystatin C (CysC) level, a highly sensitive marker of impaired kidney function, and cSVD has not been fully understood. This study aimed to investigate the association between serum CysC level and total burden of cSVD on magnetic resonance imaging (MRI) in patients with acute lacunar stroke. MATERIALS AND METHODS: A total of 210 patients with first-ever acute lacunar stroke occurring within 1 week after onset were included in this study...
October 7, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Mandar S Joshi, Kelsey A Montgomery, Peter J Giannone, John A Bauer, Mina H Hanna
Preterm birth is associated with increased risks of morbidity and mortality along with increased healthcare costs. Advances in medicine have enhanced survival for preterm infants but the overall incidences of major morbidities have changed very little. Abnormal renal development is an important consequence of premature birth. Acute kidney injury (AKI) in the neonatal period is multifactorial and may increase lifetime risk of chronic kidney disease.Traditional biomarkers in newborns suffer from considerable confounders, limiting their use for early identification of AKI...
October 10, 2016: Pediatric Research
Frederico F C T Freitas, Gilberto Araujo, Marcella L Porto, Flavia P S Freitas, Jones B Graceli, Camille M Balarini, Elisardo C Vasquez, Silvana S Meyrelles, Agata L Gava
Increased blood pressure variability (BPV), which can be experimentally induced by sinoaortic denervation (SAD), has emerged as a new marker of the prognosis of cardiovascular and renal outcomes. Considering that increased BPV can lead to organ-damage, the goal of the present study was to evaluate the effects of SAD on renal function in an experimental model of chronic kidney disease (CKD). SAD was performed in male Wistar rats 2 weeks before 5/6 nephrectomy and the animals were evaluated 4 weeks after the induction of CKD...
2016: Frontiers in Physiology
Matthias Heringlake, Efstratios I Charitos, Kira Erber, Astrid Ellen Berggreen, Hermann Heinze, Hauke Paarmann
BACKGROUND: Growth-differentiation factor-15 (GDF-15) is an emerging humoral marker for risk stratification in cardiovascular disease. Cardiac-surgery-associated acute kidney injury (CSA-AKI), an important complication in patients undergoing cardiac surgery, is associated with poor prognosis. The present secondary analysis of an observational cohort study aimed to determine the role of GDF-15 in predicting CSA-AKI compared with the Cleveland-Clinic Acute Renal Failure (CC-ARF) score and a logistic regression model including variables associated with renal dysfunction...
October 8, 2016: Critical Care: the Official Journal of the Critical Care Forum
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