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Renal biomarkers

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https://www.readbyqxmd.com/read/28339984/the-link-between-phenotype-and-fatty-acid-metabolism-in-advanced-chronic-kidney-disease
#1
Dan-Qian Chen, Hua Chen, Lin Chen, Nosratola D Vaziri, Ming Wang, Xiang-Ri Li, Ying-Yong Zhao
Background.: The kidney plays a central role in elimination of metabolic waste products and regulation of low-molecular weight metabolites via glomerular filtration, tubular secretion and reabsorption. Disruption of these processes results in profound changes in the biochemical milieu of the body fluids, which contribute to complications of chronic kidney disease (CKD) by inducing cytotoxicity and inflammation. Insight into the changes of the composition of metabolites and dysregulation of target genes and proteins enhances the understanding of the pathophysiology of CKD and its complications, and the development of novel therapeutic strategies...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339949/bone-biopsy-practice-patterns-across-europe-the-european-renal-osteodystrophy-initiative-a-position-paper
#2
Pieter Evenepoel, Patrick D'Haese, Justine Bacchetta, Jorge Cannata-Andia, Anibal Ferreira, Mathias Haarhaus, Sandro Mazzaferro, Marie-Helene Lafage Proust, Syazrah Salam, Goce Spasovski, Mario Cozzolino
Renal osteodystrophy (ROD) is a heterogeneous group of metabolic bone diseases complicating progressive chronic kidney disease (CKD). Bone biomarkers and bone imaging techniques may help to assess bone health and predict fractures in CKD but do have important inherent limitations. By informing on bone turnover and mineralization, a bone biopsy may help to guide prevention and treatment of ROD and its consequences. According to a recent survey conducted among European nephrologists, bone biopsies are performed rather exceptionally, both for clinical and research purposes...
March 3, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339802/alterations-in-urinary-collagen-peptides-in-lupus-nephritis-subjects-correlate-with-renal-dysfunction-and-renal-histopathology
#3
Ru Wei, Benbo Gao, Fei Shih, Ann Ranger, Andrea Dearth, Harald Mischak, Justyna Siwy, Nicolas Wisniacki, Michelle Petri, Linda C Burkly
Background.: The excessive accumulation of extracellular matrix (ECM) in the renal tubulointerstitium is a key component of chronic renal damage in lupus nephritis (LN) and a critical determinant of the disease progression to renal failure. Detection of fibrosis requires renal biopsy and is therefore limited by high risks associated with an invasive procedure. This study explores whether a unique LN urinary peptidome can be identified and whether LN-specific alteration reflects the underlying fibrogenic process of altered ECM turnover...
February 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28338236/hsa-mir-3199-2-and-hsa-mir-1293-as-novel-prognostic-biomarkers-of-papillary-renal-cell-carcinoma-by-cox-ratio-risk-regression-model-screening
#4
Wen Luo, Lei Wang, Mao-Hua Luo, Yu-Zhu Huang, Hua Yang, Yu Zhou, Hong-Tao Jia, Xiu-Xin Wang
Papillary renal cell carcinoma(PRCC) is the second most common and aggressive renal cell carcinoma. Identification of novel microRNA biomarkers could be beneficial for the diagnosis and prognosis of PRCCpatients.We aimed to screen differentially expressed miRNAs that can act as prognostic factors and to predict the survival of PRCC patients. High-throughput data of miRNAs of 274 PRCC samples were downloaded from TCGA(The Cancer Genome Atlas) dataset and interested miRNAs were identified. Hierarchical clustering and principal component analysis (PCA) were performed on these miRNAs...
March 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28337255/combined-therapy-with-melatonin-and-exendin-4-effectively-attenuated-the-deterioration-of-renal-function-in-rat-cardiorenal-syndrome
#5
Kuan-Hung Chen, Chih-Hung Chen, Christopher Glenn Wallace, Yen-Ta Chen, Chih-Chao Yang, Pei-Hsun Sung, Hsin-Ju Chiang, Yi-Ling Chen, Sarah Chua, Hon-Kan Yip, Jiin-Tsuey Cheng
This study tested the hypothesis that combined therapy with melatonin (Mel) and exendin-4 (Ex4) would be superior to either therapy alone for preventing the deterioration of renal function in cardiorenal syndrome (CRS). Male adult Sprague Dawley rats (n = 48) were randomly and equally divided into sham-control (SC), chronic kidney disease (CKD; induced by 5/6 nephrectomy), CRS (CKD + dilated cardiomyopathy, DCM; induced by doxorubicin 7 mg/kg i.p. every 5 days, 4 doses), CRS-Mel (20 mg/kg/day), CRS-Ex4 (10 µg/kg/day) and CRS-Mel-Ex4...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28334992/utility-of-chromogranin-b-compared-with-chromogranin-a-as-a-biomarker-in-japanese-patients-with-pancreatic-neuroendocrine-tumors
#6
Masami Miki, Tetsuhide Ito, Masayuki Hijioka, Lingaku Lee, Kohei Yasunaga, Keijiro Ueda, Takashi Fujiyama, Yuichi Tachibana, Ken Kawabe, Robert T Jensen, Yoshihiro Ogawa
Objective: Currently, serum chromogranin A is a well-established biomarker for pancreatic neuroendocrine tumors; however, other pancreatic diseases, oral use of a proton pump inhibitor and renal impairment can affect chromogranin A. Meanwhile, chromogranin B, belonging to the same granin family as chromogranin A, is not fully examined in these conditions. The present study aimed to evaluate the utility of chromogranin B as a pancreatic neuroendocrine tumor biomarker. Methods: Serum chromogranin B levels were determined by radioimmunoassay and serum chromogranin A levels by enzyme-linked immunosorbent assay in pancreatic neuroendocrine tumor (n = 91) and other pancreatic conditions, and in healthy people (n = 104), to assess the relationships with clinical features...
March 17, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28333566/is-change-in-hemoglobin-level-a-predictive-biomarker-of-tyrosine-kinase-efficacy-in-metastatic-renal-cell-carcinoma-a-turkish-oncology-group-study
#7
Cemil Bilir, İbrahim Yıldız, Ahmet Bilici, Mahmut Ucar, Veli Berk, Yaşar Yıldız, Ozan Yazıcı, Gökşen İnanç İmamoğlu, Nuri Karadurmuş, Kezban Nur Pilancı, Erkan Arpacı, Özgür Tanrıverdi, Ebru Karcı, Süleyman Temiz, Erdinc Nayır, Esin Oktay, Pınar Dal, İbrahim Petekkaya, Ceyhun Varım, Hakan Cinemre
BACKGROUND: There are insufficient predictive markers for renal cell carcinoma (RCC). METHODS: A total of 308 metastatic RCC patients were analyzed retrospectively. RESULTS: The increased hemoglobin (Hb) group had significantly higher progression-free survival and overall survival (OS) compared with the decreased Hb group at 11.5 versus 6.35 months (p < .001) and 21.0 versus 11.36 months (p < .001) respectively. The 1- and 3-year OS rates were higher in the Hb increased group, i...
March 23, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28333074/assessment-of-the-anti-hyperglycaemic-anti-inflammatory-and-antioxidant-activities-of-the-methanol-extract-of-moringa-oleifera-in-diabetes-induced-nephrotoxic-male-wistar-rats
#8
Elizabeth I Omodanisi, Yapo G Aboua, Oluwafemi O Oguntibeju
Diabetes mellitus is an endocrine disease of multiple aetiologies in insulin secretion. A deficiency in insulin results in hyperglycemia with metabolic disturbances of biomolecules. Moringa oleifera (MO) is endemic in the tropics with a variety of ethnomedicinal importance. The leaf of this plant has been reported to possess antioxidant and medicinal properties that may be helpful in the treatment and management of diabetes and its associated complications. Diabetes was induced intraperitoneally in rats by a single dose of streptozotocin (55 mg/kg) and treated with methanolic extract of Moringa oleifera (250 mg/kg b...
March 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28332903/evaluation-of-white-sesame-seed-oil-on-glucose-control-and-biomarkers-of-hepatic-cardiac-and-renal-functions-in-male-sprague-dawley-rats-with-chemically-induced-diabetes
#9
Farhan Aslam, Sanaullah Iqbal, Muhammad Nasir, Aftab Ahmad Anjum, Pamela Swan, Karen Sweazea
White sesame seed oil (WSSO) has been used in cooking and food preparations for centuries. It has many purported health benefits and may be a promising nutraceutical. The primary purpose of this study was to examine the effects of WSSO on fasting blood glucose (GLU) and insulin (INS) in male Sprague-Dawley rats with chemically induced diabetes. A secondary aim was to explore other hematological biomarkers of hepatic, cardiac, and renal function. Sixty-three male Sprague-Dawley rats were randomized into standard diet groups, normal control (NCON) (n = 21) and diabetic control (DCON) (n = 21), and a diabetic sesame oil (DSO) (n = 21) group, which were fed a diet containing 12% WSSO...
March 23, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28332137/correction-of-dilutional-anemia-induces-renal-dysfunction-in-diabetic-patients-undergoing-coronary-artery-bypass-grafting-a-consequence-of-microcirculatory-alterations
#10
Güçlü Aykut, Meltem Kilercik, Cem Arıtürk, Halim Ulugöl, Uğur Aksu, Türkan Kudsioğlu, Nazan Atalan, Nihan Yapıcı, Hasan Karabulut, Fevzi Toraman
BACKGROUND: In this study we aimed to evaluate the effects of dilutional anemia resulting from cardiopulmonary bypass (CPB) and its correction with red blood cell (RBC) transfusion on tissue oxygenation and renal function in diabetic patients undergoing coronary artery bypass grafting (CABG). METHOD: 70 diabetic patients who underwent elective CABG and whose hematocrit values had been between 24-28% at any time during CBP were prospectively randomized and equally allocated to two groups: patients who received RBC during CPB (group I, n = 35) vs...
March 22, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28330808/germline-genetic-biomarkers-of-sunitinib-efficacy-in-advanced-renal-cell-carcinoma-results-from-the-renal-effect-trial
#11
Robert J Motzer, Robert A Figlin, Jean-François Martini, Subramanian Hariharan, Neeraj Agarwal, Chun Xiao Li, J Andrew Williams, Thomas E Hutson
BACKGROUND: Sunitinib, the vascular endothelial growth factor pathway inhibitor, is an established standard-of-care for advanced renal cell carcinoma (RCC). This study aimed to assess correlations between candidate germline single nucleotide polymorphisms (SNPs) and sunitinib efficacy in patients from the RENAL EFFECT trial (NCT00267748), a randomized phase II study in patients with metastatic RCC comparing the 4-weeks-on/2-weeks-off schedule and a continuous daily dosing schedule. PATIENTS AND METHODS: Informed consent for pharmacogenetics research was obtained from 202 out of 289 treated patients in the trial...
February 27, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28328797/activation-senescence-and-inflammation-markers-in-hiv-patients-association-with-renal-function
#12
Alexandra Ozanne, Pierre Duffau, Frédéric-Antoine Dauchy, Claire Rigothier, Cécile Terrien, Estibaliz Lazaro, Charles Cazanave, Sylvie Lawson-Ayayi, Fabrice Bonnet, Patrick Blanco, Linda Wittkop, Isabelle Pellegrin
OBJECTIVES: To assess the association between immune-activation (IA), immune-senescence (IS), inflammation biomarkers and renal function measured by estimated glomerular function rate (eGFR) at inclusion and its evolution over a 3-years follow-up in HIV-infected patients with undetectable viral load. DESIGN: The CIADIS (Chronic Immune Activation anD Senescence) sub-study consecutively included patients between October 2011 and May 2013 enrolled in the ANRS CO3 Aquitaine observational cohort...
March 21, 2017: AIDS
https://www.readbyqxmd.com/read/28327953/final-overall-survival-analysis-for-the-phase-ii-record-3-study-of-first-line-everolimus-followed-by-sunitinib-versus-first-line-sunitinib-followed-by-everolimus-in-metastatic-rcc
#13
J J Knox, C H Barrios, T M Kim, T Cosgriff, V Srimuninnimit, K Pittman, R Sabbatini, S Y Rha, T W Flaig, R D Page, J T Beck, F Cheung, S Yadav, P Patel, L Geoffrois, J Niolat, N Berkowitz, M Marker, D Chen, R J Motzer
Background: RECORD-3 compared everolimus and sunitinib as first-line therapy, and the sequence of everolimus followed by sunitinib at progression compared with the opposite (standard) sequence in patients with metastatic renal cell carcinoma (mRCC). This final overall survival (OS) analysis evaluated mature data for secondary end points. Patients and Methods: : Patients received either first-line everolimus followed by second-line sunitinib at progression ( n =  238) or first-line sunitinib followed by second-line everolimus ( n =  233)...
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327551/genomic-reprograming-analysis-of-the-mesothelial-to-mesenchymal-transition-identifies-biomarkers-in-peritoneal-dialysis-patients
#14
Vicente Ruiz-Carpio, Pilar Sandoval, Abelardo Aguilera, Patricia Albar-Vizcaíno, María Luisa Perez-Lozano, Guadalupe T González-Mateo, Adrián Acuña-Ruiz, Jesús García-Cantalejo, Pedro Botías, María Auxiliadora Bajo, Rafael Selgas, José Antonio Sánchez-Tomero, Jutta Passlick-Deetjen, Dorothea Piecha, Janine Büchel, Sonja Steppan, Manuel López-Cabrera
Peritoneal dialysis (PD) is an effective renal replacement therapy, but a significant proportion of patients suffer PD-related complications, which limit the treatment duration. Mesothelial-to-mesenchymal transition (MMT) contributes to the PD-related peritoneal dysfunction. We analyzed the genetic reprograming of MMT to identify new biomarkers that may be tested in PD-patients. Microarray analysis revealed a partial overlapping between MMT induced in vitro and ex vivo in effluent-derived mesothelial cells, and that MMT is mainly a repression process being higher the number of genes that are down-regulated than those that are induced...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325740/proximal-tubulopathy-prime-mover-and-key-therapeutic-target-in-diabetic-kidney-disease
#15
Richard E Gilbert
The current view of diabetic kidney disease, based on meticulously acquired ultrastructural morphometry and the utility of measuring plasma creatinine and urinary albumin, has been almost entirely focused on the glomerulus. While clearly of great importance, changes in the glomerulus are not the major determinant of renal prognosis in diabetes and may not be the primary event in the development of diabetic kidney disease either. Indeed, advances in biomarker discovery and a greater appreciation of tubulointerstitial histopathology and the role of tubular hypoxia in the pathogenesis of chronic kidney disease have given us pause to reconsider the current "glomerulocentric" paradigm and focus attention on the proximal tubule that by virtue of the high energy requirements and reliance on aerobic metabolism render it particularly susceptible to the derangements of the diabetic state...
April 2017: Diabetes
https://www.readbyqxmd.com/read/28325303/inhibition-of-egf-uptake-by-nephrotoxic-antisense-drugs-in%C3%A2-vitro-and-implications-for-preclinical-safety-profiling
#16
Annie Moisan, Marcel Gubler, Jitao David Zhang, Yann Tessier, Kamille Dumong Erichsen, Sabine Sewing, Régine Gérard, Blandine Avignon, Sylwia Huber, Fethallah Benmansour, Xing Chen, Roberto Villaseñor, Annamaria Braendli-Baiocco, Matthias Festag, Andreas Maunz, Thomas Singer, Franz Schuler, Adrian B Roth
Antisense oligonucleotide (AON) therapeutics offer new avenues to pursue clinically relevant targets inaccessible with other technologies. Advances in improving AON affinity and stability by incorporation of high affinity nucleotides, such as locked nucleic acids (LNA), have sometimes been stifled by safety liabilities related to their accumulation in the kidney tubule. In an attempt to predict and understand the mechanisms of LNA-AON-induced renal tubular toxicity, we established human cell models that recapitulate in vivo behavior of pre-clinically and clinically unfavorable LNA-AON drug candidates...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28323995/renin-phenotypes-characterize-vascular-disease-autonomous-aldosteronism-and-mineralocorticoid-receptor-activity
#17
Gregory L Hundemer, Rene Baudrand, Jenifer M Brown, Gary Curhan, Gordon H Williams, Anand Vaidya
Context: Mild cases of autonomous aldosterone secretion may go unrecognized using current diagnostic criteria for primary aldosteronism (PA). Objective: To investigate whether the inability to stimulate renin serves as a biomarker for unrecognized autonomous aldosterone secretion and mineralocorticoid receptor (MR) activation. Participants: 663 normotensive and mildly hypertensive participants, who were confirmed to not have PA using current guideline criteria and were on no antihypertensive medications...
February 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322756/establishing-reference-intervals-for-galectin-3-concentrations-in-serum-requires-careful-consideration-of-its-biological-determinants
#18
Magdalena Krintus, Marek Kozinski, Tomasz Fabiszak, Jacek Kubica, Mauro Panteghini, Grazyna Sypniewska
BACKGROUND: Appropriately established reference intervals for laboratory biomarkers may help the interpretation of their results and facilitate clinical utilization. OBJECTIVES: i) To determine reference intervals for serum galectin-3 measured using the Architect STAT immunoassay, and ii) to identify factors affecting galectin-3 concentrations. METHODS: We recruited 533 questionnaire-identified apparently healthy individuals, in which laboratory biomarkers were used to detect asymptomatic myocardial injury and dysfunction, ongoing inflammation, hyperglycemia, dyslipidemia, and renal dysfunction...
March 18, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28321399/renocardiovascular-biomarkers-from-the-perspective-of-managing-chronic-kidney-disease-and-cardiovascular-disease
#19
REVIEW
Shinichiro Niizuma, Yoshitaka Iwanaga, Takaharu Yahata, Shunichi Miyazaki
Mortality among the patients with chronic kidney disease (CKD) and end-stage renal disease (ESRD) remains high because of the very high incidence of cardiovascular disease (CVD) such as coronary artery disease, cardiac hypertrophy, and heart failure. Identifying CVD in patients with CKD/ESRD remains a significant hurdle and the early diagnosis and therapy for CVD is crucial in these patients. Therefore, it is necessary for the better management to identify and utilize cardiovascular (CV) biomarkers in profiling CVD risk and enabling stratification of early mortality...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28320366/cardiovascular-risk-is-similar-in-patients-with-glomerulonephritis-compared-to-other-types-of-chronic-kidney-disease-a-matched-cohort-study
#20
Holly L Hutton, Adeera Levin, Jagbir Gill, Ognjenka Djurdjev, Mila Tang, Sean J Barbour
BACKGROUND: Patients with chronic kidney disease (CKD) due to glomerulonephritis (GN) are thought to be at high risk for cardiovascular disease (CVD). However, no study has examined whether GN directly contributes to CV risk beyond the effects conferred by pre-existing traditional risk factors and level of renal function. METHODS: Matched cohort study using the previously described prospective CanPREDDICT study cohort. 2187 patients with CKD (eGFR 15-45 ml/min/m(2)) from 25 Canadian centres were divided into GN vs non-GN cause of CKD...
March 20, 2017: BMC Nephrology
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