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Renal biomarkers

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https://www.readbyqxmd.com/read/29782634/long-term-follow-up-of-biomarkers-of-podocyte-damage-and-renal-function-in-patients-with-and-without-preeclampsia
#1
Ylbe Palacios de Franco, Karina Velazquez, Natalia Segovia, Gladys Sandoval, Estefania Gauto, Ylbe V Franco Palacios, Carlos R Franco Palacios
INTRODUCTION: preeclampsia can be associated with future renal disease. OBJECTIVES: To measure changes in renal function overtime in patients with preeclampsia. METHODS: urine and serum samples from eleven patients with preeclampsia and eight patients with a normal pregnancy were obtained during pregnancy, postpartum, and 3 years after delivery. Urine podocalyxin, protein, and serum creatinine were measured. RESULTS: after 3 years, there were no significant differences in urinary podocalyxin in patients with or without preeclampsia: 4...
May 17, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29782392/collagen-biomarkers-predict-new-onset-of-hypertension-in-normotensive-participants-the-multi-ethnic-study-of-atherosclerosis
#2
Daniel A Duprez, Myron D Gross, Joachim H Ix, Jorge R Kizer, Russell P Tracy, Steven Shea, David R Jacobs
OBJECTIVE: Vascular remodeling associated with increased extracellular matrix (ECM) may precede hypertension. Procollagen type III N-terminal propeptide (PIIINP) and collagen type I carboxy-terminal telopeptide (ICTP) reflect collagen turnover and are important in ECM remodeling. PIIINP and ICTP are increased in cardiovascular diseases (CVD). We hypothesized that PIIINP and ICTP among normotensives predict incident hypertension. METHODS: We included 1252 Multi-Ethnic Study of Atherosclerosis participants with mean age 58...
May 17, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29780646/incorporating-cystatin-c-to-predict-methotrexate-elimination-in-patients-with-cns-lymphoma-and-suspicious-renal-function
#3
Jason N Barreto, Allison L McClanahan, Andrew D Rule, Carrie A Thompson, Erin Frazee
High-dose methotrexate (MTX; ≥1 g/m2 ) is a renally eliminated and nephrotoxic first-line therapy for central nervous system (CNS) lymphoma. Creatinine-based estimation of renal function is the recommended approach to dosing MTX in these cases, but nonrenal determinants of creatinine production and elimination in cancer patients such as malnutrition and cachexia lead to overestimation of glomerular filtration rate (GFR) by this method and a heightened risk for drug toxicity. Serum cystatin C is one of the first readily available, relatively inexpensive, endogenous biomarkers to emerge as a practical adjunct to creatinine for estimation of renal function for drug dosing...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29779117/how-common-is-balkan-endemic-nephropathy-among-immigrants-in-endemic-regions
#4
Ljubica Đukanović, Maja Račić, Ivko Marić, Zlatko Maksimović, Jelena Simić, Jela Aleksić, Sanja Stanković, Vesna Pejović, Višnja Ležaić
PURPOSE: In the early 1970s, a number of authors described the development of Balkan endemic nephropathy (BEN) in immigrants in endemic regions. The aim of this study was to examine whether immigrants in endemic regions are suffering from BEN today. METHODS: The study involved 193 residents of two endemic regions divided into three groups: two groups of native residents-(1) members of BEN families, (2) members of non-BEN families, and (3) immigrants, who had moved from non-affected settlements to the endemic regions of Kolubara (38 years ago) or Semberia (20 years ago)...
May 19, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29779026/uromodulin-mrna-from-urinary-extracellular-vesicles-correlate-to-kidney-function-decline-in-type-2-diabetes-mellitus
#5
Cindy M Yamamoto, Taku Murakami, Melanie L Oakes, Masato Mitsuhashi, Colleen Kelly, Robert R Henry, Kumar Sharma
BACKGROUND: Extracellular vesicles (EVs) enclose mRNA derived from their cell of origin and are considered a source of potential biomarkers. We examined urinary EV mRNA from individuals with diabetic kidney disease (DKD), chronic kidney disease, type 2 diabetes (T2DM), and obese and healthy controls to determine if such biomarkers had the potential to classify kidney disease and predict patients at higher risk of renal function decline. METHODS: A total of 242 participants enrolled in this study...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29777398/the-role-of-dna-methylation-in-renal-cell-carcinoma
#6
REVIEW
Brittany N Lasseigne, James D Brooks
Renal cell carcinoma (RCC) is the most common kidney cancer and includes several molecular and histological subtypes with different clinical characteristics. While survival rates are high if RCC is diagnosed when still confined to the kidney and treated definitively, there are no specific diagnostic screening tests available and symptoms are rare in early stages of the disease. Management of advanced RCC has changed significantly with the advent of targeted therapies, yet survival is usually increased by months due to acquired resistance to these therapies...
May 18, 2018: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/29777021/serum-6-bromotryptophan-levels-identified-as-a-risk-factor-for-ckd-progression
#7
Adrienne Tin, Girish Nadkarni, Anne M Evans, Cheryl A Winkler, Erwin Bottinger, Casey M Rebholz, Mark J Sarnak, Lesley A Inker, Andrew S Levey, Michael S Lipkowitz, Lawrence J Appel, Dan E Arking, Josef Coresh, Morgan E Grams
Background Metabolite levels reflect physiologic homeostasis and may serve as biomarkers of disease progression. Identifying metabolites associated with APOL1 risk alleles-genetic variants associated with CKD risk commonly present in persons of African descent-may reveal novel markers of CKD progression relevant to other populations. Methods We evaluated associations between the number of APOL1 risk alleles and 760 serum metabolites identified via untargeted profiling in participants of the African American Study of Kidney Disease and Hypertension (AASK) ( n =588; Bonferroni significance threshold P <6...
May 18, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29776718/high-urinary-ferritin-reflects-myoglobin-iron-evacuation-in-dmd-patients
#8
Jérémy Rouillon, Thibaud Lefebvre, Jérôme Denard, Vincent Puy, Raed Daher, Jérôme Ausseil, Aleksandar Zocevic, Paul Fogel, Katell Peoc'h, Brenda Wong, Laurent Servais, Thomas Voit, Herve Puy, Zoubida Karim, Fedor Svinartchouk
Duchenne muscular dystrophy (DMD) is an X-linked disease caused by mutations in the dystrophin gene leading to the absence of the normal dystrophin protein. The efforts of many laboratories brought new treatments of DMD to the reality, but ongoing and forthcoming clinical trials suffer from absence of valuable biomarkers permitting to follow the outcome of the treatment day by day and to adjust the treatment if needed. In the present study the levels of 128 urinary proteins including growth factors, cytokines and chemokines were compared in urine of DMD patients and age related control subjects by antibody array approach...
March 20, 2018: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/29775445/the-clinical-pattern-of-nephrotic-syndrome-in-children-has-no-effect-on-the-concentration-of-soluble-urokinase-receptor-supar-in-serum-and-urine
#9
Agnieszka Ochocińska, Wioletta Jarmużek, Roman Janas
Concentration of soluble urokinase receptor (suPAR) was regarded as viable marker to differentiate the focal segmental glomerulosclerosis (FSGS) from other glomerulopathies and also as predictive parameter for progression of renal disease. AIM: The aim of this study was to evaluate serum and urine (s)(u)suPAR concentration in steroid-sensitive and steroid-resistant nephrotic children treated with different (double and triple-drug) regimens. MATERIALS AND METHODS: Overall 43 children were evaluated including 14 patients with steroid-resistant nephrotic syndrome (SRNS) aged 9±6 years and 29 with steroid-sensitive nephrotic syndrome (SSNS) aged 9±5 years, as well as control group (n=59)...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29773494/plin3-is-up-regulated-and-correlates-with-poor-prognosis-in-clear-cell-renal-cell-carcinoma
#10
Keshan Wang, HaiLong Ruan, ZhengShuai Song, Qi Cao, Lin Bao, Di Liu, TianBo Xu, HaiBing Xiao, Cheng Wang, Gong Cheng, JunWei Tong, XianGui Meng, HongMei Yang, Ke Chen, XiaoPing Zhang
BACKGROUND: PLIN3, one of the members of the perilipin family, has been reported to be involved in the formation and accumulation of lipid droplets. However, the expression levels and diagnostic and prognostic value of PLIN3 in renal cell carcinoma (RCC) remain unclear. METHODS: Bioinformatic analysis was used to assess the levels of PLIN3 and the correlation between PLIN3 levels and clinicopathological parameters in renal cancer. The expression levels of PLIN3 were determined in human RCC tissues and cell lines by western blot, immunofluorescence and immunohistochemistry assays...
May 14, 2018: Urologic Oncology
https://www.readbyqxmd.com/read/29771425/fhl2-participates-in-renal-interstitial-fibrosis-by-altering-the-phenotype-of-renal-tubular-epithelial-cells-via-regulating-the-%C3%AE-catenin-pathway
#11
S-G Zhou, H-J Ma, Z-Y Guo, W Zhang, X Yang
OBJECTIVE: To investigate the potential role of FHL2 (four and a half LIM domains protein 2) in the renal interstitial fibrosis and its underlying mechanism. MATERIALS AND METHODS: NRK-52E, the rat tubular epithelial cell line, was selected for the in vitro experiments. The unilateral ureteral obstruction (UUO) mouse model and phenotype changes of NRK-52E cells were induced by TGF-β (transforming growth factor-β) treatment. Protein and mRNA expressions of biomarkers of tubular cells and renal fibrosis in NRK-52E cells were detected...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29768245/exploring-the-potential-of-mucin-13-muc13-as-a-biomarker-for-carcinomas-and-other-diseases
#12
Panagiota S Filippou, Annie H Ren, Dimitrios Korbakis, Lampros Dimitrakopoulos, Antoninus Soosaipillai, Vivian Barak, Shahar Frenkel, Jacob Pe'er, Michal Lotem, Sharon Merims, Rafael Molina, Ivan Blasutig, Dimitrios P Bogdanos, Eleftherios P Diamandis
BACKGROUND: Mucin 13 (MUC13) is a cell surface glycoprotein aberrantly expressed in a variety of epithelial carcinomas. Thus far, the role of MUC13 in various diseases remains elusive. To the best of our knowledge, this is the first study to examine the potential of MUC13 as a serum biomarker in a variety of carcinomas and other conditions. METHODS: We developed a recombinant MUC13 protein, mouse monoclonal antibodies and enzyme immunoassay (ELISA) for MUC13. We used this assay to measure MUC13 levels in the supernatants of cancer cell lines and a large cohort of serum samples from healthy and diseased individuals...
May 16, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29765019/relationship-between-circulating-vascular-endothelial-growth-factor-and-its-soluble-receptor-in-patients-with-hemorrhagic-fever-with-renal-syndrome
#13
Emil Pal, Misa Korva, Katarina Resman Rus, Nataša Kejžar, Petra Bogovič, Franc Strle, Tatjana Avšič-Županc
Hemorrhagic fever with renal syndrome (HFRS) is characterized by endothelial dysfunction with capillary leakage without obvious cytopathology in the capillary endothelium. The aim of the study was to analyze the kinetics of vascular endothelial growth factor (VEGF) and its soluble receptor (sVEGFR-2) in HFRS patients infected with Dobrava (DOBV) or Puumala virus (PUUV). VEGF and sVEGFR-2 levels were measured in daily plasma and urine samples of 73 patients with HFRS (58 with PUUV, 15 with DOBV) and evaluated in relation to clinical and laboratory variables...
May 16, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29761287/activation-of-the-mtorc1-pathway-by-inflammation-contributes-to-vascular-calcification-in-patients-with-end-stage-renal-disease
#14
Jing Liu, Wei Zhu, Chun Ming Jiang, Yuan Feng, Yang Yang Xia, Qing Yan Zhang, Miao Zhang
BACKGROUND: Chronic inflammation plays an important role in the progression of vascular calcification (VC). This study was designed to explore the effects and underlying mechanisms of inflammation on VC in the radial arteries of patients with end-stage renal disease (ESRD) with arteriovenostomy. METHODS: Forty-eight ESRD patients were divided into control (n = 25) and inflammation groups (n = 23) according to plasma C-reactive protein (CRP) level. Surgically removed tissues from the radial arteries of patients receiving arteriovenostomy were used in this study...
May 14, 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29758204/association-between-hippuric-acid-and-left-ventricular-hypertrophy-in-maintenance-hemodialysis-patients
#15
Teng-Hung Yu, Wei-Hua Tang, Yung-Chuan Lu, Chao-Ping Wang, Wei-Chin Hung, Cheng-Ching Wu, I-Ting Tsai, Fu-Mei Chung, Jer-Yiing Houng, Wen-Chun Lan, Yau-Jiunn Lee
BACKGROUND: Left ventricular hypertrophy (LVH) is one of the most common cardiac abnormalities in patients with end-stage renal disease. Hippuric acid (HA), a harmful uremic toxin, is known to be elevated in patients with uremia, and serum HA levels are associated with neurological symptoms, metabolic acidosis, and accelerated renal damage associated with chronic kidney disease. However, the pathophysiological role of HA in patients with uremia remains unclear. We investigated the association between serum HA levels and echocardiographic measurements in patients undergoing hemodialysis (HD) treatment...
May 11, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29757945/effectiveness-and-safety-of-dietetic-supplementation-of-a-new-nutraceutical-on-lipid-profile-and-serum-inflammation-biomarkers-in-hypercholesterolemic-patients
#16
Graziano Riccioni, Maria Alessandra Gammone, Walter Currenti, Nicolantonio D'Orazio
Background : To assess the effectiveness and safety of a new nutraceutical (NC) on lipid profile, inflammation biomarkers and creatine phosphokinase (CPK) serum levels in hypercholesterolemic patients. Methods : 40 patients underwent hypolipemic treatment with NC. Initial and final (after 12 weeks) screening included medical history, physical examination, and measurement of serum lipid profile (total cholesterol, HDL-cholesterol, LDL-cholesterol, and triglycerides), hepatic (GOT, GPT, γGT), and renal (serum creatinine and urea) functions, CPK level and many inflammation biomarkers (hs-CRP and fibrinogen)...
May 14, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29755665/increased-level-and-fragmentation-of-plasma-circulating-cell-free-dna-are-diagnostic-and-prognostic-markers-for-renal-cell-carcinoma
#17
Yoshiyuki Yamamoto, Motohide Uemura, Kosuke Nakano, Yujiro Hayashi, Cong Wang, Yu Ishizuya, Toshiro Kinouchi, Takuji Hayashi, Kyosuke Matsuzaki, Kentaro Jingushi, Taigo Kato, Atsunari Kawashima, Takeshi Ujike, Akira Nagahara, Kazutoshi Fujita, Ryoichi Imamura, Norio Nonomura
Background: Reliable biomarkers for renal cell carcinoma (RCC) have yet to be found. Circulating cell-free DNA (cfDNA) is an emerging resource for the diagnosis and prognosis of various cancers. This study aims to identify novel blood biomarkers for RCC. Materials And Methods: Plasma cfDNA was extracted from RCC patients ( n = 92) and healthy controls ( n = 41). Levels of cfDNA were determined using quantitative real-time PCR of ACTB as the target gene, and cfDNA fragment size was measured using a microfluidics-based platform...
April 17, 2018: Oncotarget
https://www.readbyqxmd.com/read/29754934/comprehensive-genomic-profiling-of-metastatic-tumors-in-a-phase-2-biomarker-study-of-everolimus-in-advanced-renal-cell-carcinoma
#18
Xin Gao, Opeyemi Jegede, Connor Gray, Paul J Catalano, Jesse Novak, David J Kwiatkowski, Rana R McKay, Daniel J George, Toni K Choueiri, David F McDermott, Sabina Signoretti, Rupal S Bhatt
INTRODUCTION: Genomic events leading to activation of mechanistic target of rapamycin (mTOR) are common in renal cell carcinoma (RCC). Everolimus is an allosteric mTOR inhibitor with efficacy in metastatic RCC. We characterized the genomic profile of RCC tumors from metastatic sites and assessed whether particular alterations correlate with clinical response to everolimus. PATIENTS AND METHODS: An open-label, single-arm phase 2 biomarker study of everolimus 10 mg daily was conducted in metastatic RCC patients...
April 25, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29754804/diabetes-mellitus-and-cardiovascular-risk-update-of-the-recommendations-of-the-diabetes-and-cardiovascular-disease-working-group-of-the-spanish-diabetes-society-sed-2018
#19
Francisco Arrieta, Pedro Iglesias, Juan Pedro-Botet, Antonio Becerra, Emilio Ortega, Juan Carlos Obaya, Andreu Nubiola, Gonzalo Fernando Maldonado, Maria Del Mar Campos, Romina Petrecca, José Luis Pardo, Víctor Sánchez-Margalet, José Juan Alemán, Jorge Navarro, Santiago Duran, Francisco Javier Tébar, Manuel Aguilar, Fernando Escobar
This document is an update to the clinical practice recommendations for the management of cardiovascular risk factors in diabetes mellitus. The consensus is made by members of the Cardiovascular Risk Group of the Spanish Diabetes Society. We have proposed and updated interventions on lifestyle, pharmacological treatment indicated to achieve therapeutic objectives according to the levels of HbA1c, degree of obesity, hypertension, hyperlipidemia, heart failure, platelet antiagregation, renal insufficiency, and diabetes in the elderly, as well as new biomarkers of interest in the evaluation of cardiovascular risk in individuals with diabetes mellitus...
May 10, 2018: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/29753670/intraoperative-renal-resistive-index-as-an-acute-kidney-injury-biomarker-development-and-validation-of-an-automated-analysis-algorithm
#20
Benjamin Y Andrew, Elias Y Andrew, Anne D Cherry, Jennifer N Hauck, Alina Nicoara, Carl F Pieper, Mark Stafford-Smith
OBJECTIVE: Intraoperative Doppler-determined renal resistive index (RRI) is a promising early acute kidney injury (AKI) biomarker. As RRI continues to be studied, its clinical usefulness and robustness in research settings will be linked to the ease, efficiency, and precision with which it can be interpreted. Therefore, the authors assessed the usefulness of computer vision technology as an approach to developing an automated RRI-estimating algorithm with equivalent reliability and reproducibility to human experts...
April 4, 2018: Journal of Cardiothoracic and Vascular Anesthesia
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