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https://www.readbyqxmd.com/read/29346507/activity-and-safety-of-afatinib-in-a-window-pre-operative-eortc-study-in-patients-with-squamous-cell-carcinoma-of-the-head-and-neck-scchn
#1
J P Machiels, P Bossi, J Menis, M Lia, C Fortpied, Y Liu, R Lhommel, M Lemort, S Schmitz, S Canevari, L De Cecco, M Guzzo, R Bianchi, P Quattrone, F Crippa, T Duprez, Y Lalami, M Quiriny, N de Saint Aubain, P M Clement, R Coropciuc, E Hauben, L F Licitra
Background: To investigate the activity and safety of afatinib in the pre-operative treatment of squamous cell carcinoma of the head and neck (SCCHN). Patients and methods: This study was an open-label, randomized, multicenter, phase II window of opportunity trial. Treatment-naïve SCCHN patients selected for primary curative surgery were randomized (5:1 ratio) to receive afatinib during 14 days (day -15 until day -1) before surgery (day 0) or no treatment. Tumor biopsies, 2-[fluorine-18]-fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET), and magnetic resonance imaging (MRI) were performed at diagnosis and just before surgery...
January 15, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29346138/obesity-and-chronic-kidney-disease
#2
Edward Nehus
PURPOSE OF REVIEW: To review recent advances in the epidemiology, pathophysiology, clinical features, and treatment of obesity-related kidney disease. RECENT FINDINGS: Studies have confirmed that obesity is associated with increased risk of developing chronic kidney disease (CKD). This risk extends to those who are metabolically healthy, indicating that obesity per se contributes to CKD independent of the metabolic syndrome. Recent developments in the pathophysiology of obesity-related kidney disease indicate that chronic inflammation and abnormal lipid metabolism contribute to kidney cell injury...
January 17, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29344743/response-to-different-furosemide-doses-predicts-aki-progression-in-icu-patients-with-elevated-plasma-ngal-levels
#3
Ryo Matsuura, Yohei Komaru, Yoshihisa Miyamoto, Teruhiko Yoshida, Kohei Yoshimoto, Rei Isshiki, Kengo Mayumi, Tetsushi Yamashita, Yoshifumi Hamasaki, Masaomi Nangaku, Eisei Noiri, Naoto Morimura, Kent Doi
BACKGROUND: Furosemide responsiveness (FR) is determined by urine output after furosemide administration and has recently been evaluated as a furosemide stress test (FST) for predicting severe acute kidney injury (AKI) progression. Although a standardized furosemide dose is required for FST, variable dosing is typically employed based on illness severity, including renal dysfunction in the clinical setting. This study aimed to evaluate whether FR with different furosemide doses can predict AKI progression...
January 17, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29344506/micrornas-in-renal-diseases-a-potential-novel-therapeutic-target
#4
Federica Petrillo, Anna Iervolino, Miriam Zacchia, Adelina Simeoni, Cristina Masella, Giovanna Capolongo, Alessandra Perna, Giovambattista Capasso, Francesco Trepiccione
Background: MicroRNAs (miRNAs) are a family of short noncoding RNAs that play important roles in posttranscriptional gene regulation. miRNAs inhibit target gene expression by blocking protein translation or by inducing mRNA degradation and therefore have the potential to modulate physiological and pathological processes. Summary: In the kidney, miRNAs play a role in the organogenesis and in the pathogenesis of several diseases, including renal carcinoma, diabetic nephropathy, cystogenesis, and glomerulopathies...
December 2017: Kidney Diseases
https://www.readbyqxmd.com/read/29344375/elevated-serum-levels-of-cardiovascular-biomarkers-are-associated-with-progression-of-renal-cancer
#5
Takao Kamai, Yuumi Tokura, Toshitaka Uematsu, Kazumasa Sakamoto, Issei Suzuki, Kohei Takei, Takahiro Narimatsu, Tsunehito Kambara, Hideo Yuki, Hironori Betsunoh, Hideyuki Abe, Yoshitatsu Fukabori, Masahiro Yashi, Ken-Ichiro Yoshida
Objective: Renal cell carcinoma (RCC) is a hypervascular tumour due to high constitutive production of vascular endothelial growth factor (VEGF), which is activated by hypoxia-inducible factor (HIF). Elevated levels of cardiovascular peptides, including brain natriuretic peptide (BNP), have been reported in patients with cancer, regardless of whether they have overt cardiovascular disease. Furthermore, it has been demonstrated that hypoxia stimulates BNP production by an HIF-dependent manner...
2018: Open Heart
https://www.readbyqxmd.com/read/29344245/overexpression-of-nedd9-in-renal-cell-carcinoma-is-associated-with-tumor-migration-and-invasion
#6
Jue Wang, Si Wang, Yun Luan, Wenhua Zhang, Chao Sun, Guanghui Cheng, Kailin Li, Qian Xin, Zhaomin Lin, Tonggang Qi, Feng Kong
Scaffold protein neural precursor cell expressed, developmentally downregulated 9 (NEDD9) is a member of the Crk-associated substrate protein family and is known to be a biomarker in multiple cancer types. It serves a critical function in regulating cell proliferation, migration, invasion and survival. The objective of this study was to evaluate the potential effects of NEDD9 in renal cell carcinoma (RCC). The expression of NEDD9 was analyzed by immunohistochemistry, western blotting and reverse transcription-quantitative polymerase chain reaction...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344085/synthesis-secretion-function-metabolism-and-application-of-natriuretic-peptides-in-heart-failure
#7
REVIEW
Shihui Fu, Ping Ping, Fengqi Wang, Leiming Luo
As a family of hormones with pleiotropic effects, natriuretic peptide (NP) system includes atrial NP (ANP), B-type NP (BNP), C-type NP (CNP), dendroaspis NP and urodilatin, with NP receptor-A (guanylate cyclase-A), NP receptor-B (guanylate cyclase-B) and NP receptor-C (clearance receptor). These peptides are genetically distinct, but structurally and functionally related for regulating circulatory homeostasis in vertebrates. In humans, ANP and BNP are encoded by NP precursor A (NPPA) and NPPB genes on chromosome 1, whereas CNP is encoded by NPPC on chromosome 2...
2018: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29343314/cell-free-dna-the-role-in-pathophysiology-and-as-a-biomarker-in-kidney-diseases
#8
Peter Celec, Barbora Vlková, Lucia Lauková, Janka Bábíčková, Peter Boor
Cell-free DNA (cfDNA) is present in various body fluids and originates mostly from blood cells. In specific conditions, circulating cfDNA might be derived from tumours, donor organs after transplantation or from the foetus during pregnancy. The analysis of cfDNA is mainly used for genetic analyses of the source tissue -tumour, foetus or for the early detection of graft rejection. It might serve also as a nonspecific biomarker of tissue damage in critical care medicine. In kidney diseases, cfDNA increases during haemodialysis and indicates cell damage...
January 18, 2018: Expert Reviews in Molecular Medicine
https://www.readbyqxmd.com/read/29340529/association-between-syndecan-1-and-renal-function-in-adolescents-with-excess-weight-evidence-of-subclinical-kidney-disease-and-endothelial-dysfunction
#9
Z M R M Saboia, G C Meneses, A M C Martins, E F Daher, G B Silva Junior
Excess weight (overweight and obesity) is associated with kidney and cardiovascular disease. The aim of this study was to investigate the association between syndecan-1 and renal function among adolescents with excess weight. A total of 56 students from a public school at Fortaleza, CE, Brazil, were investigated. The adolescents were submitted to anthropometric evaluation, including weight, height, blood pressure and body mass index. Blood and urine samples were collected for the determination of serum lipids (total cholesterol, high density lipoprotein cholesterol, low density lipoprotein cholesterol, triglycerides), and the endothelial injury biomarker syndecan-1...
January 11, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29340331/location-specific-oral-microbiome-possesses-features-associated-with-ckd
#10
Jianzhong Hu, Srinivas Iragavarapu, Girish N Nadkarni, Ruiqi Huang, Monica Erazo, Xiuliang Bao, Divya Verghese, Steven Coca, Mairaj K Ahmed, Inga Peter
Introduction: Chronic kidney disease (CKD), a progressive loss of renal function, can lead to serious complications if underdiagnosed. Many studies suggest that the oral microbiota plays important role in the health of the host; however, little is known about the association between the oral microbiota and CKD pathogenesis. Methods: In this study, we surveyed the oral microbiota in saliva, the left and right molars, and the anterior mandibular lingual area from 77 participants (18 with and 59 without CKD), and tested their association with CKD to identify microbial features that may be predictive of CKD status...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29340328/nephrin-loss-can-be-used-to-predict-remission-and-long-term-renal-outcome-in%C3%A2-patients-with-minimal-change-disease
#11
Nina A van de Lest, Malu Zandbergen, Daphne H T IJpelaar, Ron Wolterbeek, Jan A Bruijn, Ingeborg M Bajema, Marion Scharpfenecker
Introduction: Minimal change disease is a common cause of nephrotic syndrome. In general, patients with minimal change disease respond to corticosteroids and have excellent long-term renal survival. However, some patients have less favorable outcome. These patients are often thought to have progressed to focal segmental glomerulosclerosis. We previously reported that a segmental loss of podocyte markers is present before the development of focal segmental glomerulosclerosis in a rat model...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29340322/paricalcitol-versus-calcifediol-for-treating-hyperparathyroidism-in-kidney-transplant-recipients
#12
Josep M Cruzado, Ricardo Lauzurica, Julio Pascual, Roberto Marcen, Francesc Moreso, Alex Gutierrez-Dalmau, Amado Andrés, Domingo Hernández, Armando Torres, Maria Isabel Beneyto, Edoardo Melilli, Anna Manonelles, Manuel Arias, Manuel Praga
Introduction: Secondary hyperparathyroidism (SHPT) and vitamin D deficiency are common at kidney transplantation and are associated with some early and late complications. This study was designed to evaluate whether paricalcitol was more effective than nutritional vitamin D for controlling SHPT in de novo kidney allograft recipients. Methods: This was a 6-month, investigator-initiated, multicenter, open-label, randomized clinical trial. Patients with pretransplantation iPTH between 250 and 600 pg/ml and calcium <10 mg/dl were randomized to paricalcitol (PAR) or calcifediol (CAL)...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29340314/dnajb9-is-a-specific-immunohistochemical-marker-for-fibrillary-glomerulonephritis
#13
Samih H Nasr, Julie A Vrana, Surendra Dasari, Frank Bridoux, Mary E Fidler, Sihem Kaaki, Nathalie Quellard, Alexia Rinsant, Jean Michel Goujon, Sanjeev Sethi, Fernando C Fervenza, Lynn D Cornell, Samar M Said, Ellen D McPhail, Loren P Herrera Hernandez, Joseph P Grande, Marie C Hogan, John C Lieske, Nelson Leung, Paul J Kurtin, Mariam P Alexander
Introduction: Fibrillary glomerulonephritis (FGN) is a rare disease with unknown pathogenesis and a poor prognosis. Until now, the diagnosis of this disease has required demonstration of glomerular deposition of randomly oriented fibrils by electron microscopy that are Congo red negative and stain with antisera to Igs. We recently discovered a novel proteomic tissue biomarker for FGN, namely, DNAJB9. Methods: In this work, we developed DNAJB9 immunohistochemistry and tested its sensitivity and specificity for the diagnosis of FGN...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29340018/survival-prediction-of-kidney-renal-papillary-cell-carcinoma-by-comprehensive-lncrna-characterization
#14
Huihua Lan, Jianghui Zeng, Gang Chen, Huayi Huang
Kidney renal papillary cell carcinoma (KIRP) accounts for 10%-15% of renal cell carcinoma (RCC), patients with KIRP tend to have a poor prognosis, and there was a lack of effective prognostic indicators for this type of cancer. Currently, owing to the availability of The Cancer Genome Atlas (TCGA), long non-coding RNAs (LncRNAs) have been discovered to indicate a prognostic value in some tumors. In that regard, we analyzed lncRNA-sequencing data of KIRP in TCGA, and among 780 differentially-expressed lncRNAs, we selected 37 lncRNAs which were able to assist the prognosis...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29338314/inflammatory-cytokines-in-the-papillary-tips-and-urine-of-nephrolithiasis-patients
#15
Andrew Yang Sun, Bryan Hinck, Benjamin R Cohen, Karen Keslar, Robert L Fairchild, Manoj Monga
INTRODUCTION: Intrarenal inflammation has been implicated in the pathogenesis of nephrolithiasis, with prior work showing increased urine levels of IL-6, IL-8, and CCL-2 in stone patients. However, no studies have assessed for inflammation in the renal papillae. We sought to characterize novel papillary tip and urinary biomarkers in stone patients. METHODS: 92 patients with nephrolithiasis undergoing percutaneous nephrolithotomy were enrolled. Papillary tip biopsies, kidney urine, and bladder urine were collected, as well as voided urine from 8 healthy volunteers...
January 16, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29336366/potential-value-of-datura-stramonium-agglutinin-recognized-glycopatterns-in-urinary-protein-on-differential-diagnosis-of-diabetic-nephropathy-and-nondiabetic-renal-disease
#16
Xiao-Li Yang, Han-Jie Yu, Han-Yu Zhu, Ying Zheng, Qiu-Xia Han, Guang-Yan Cai, Xiang-Mei Chen
BACKGROUND: Diabetic nephropathy (DN) is the most common and serious microvascular complication of diabetes. To date, the gold standard for identifying DN and nondiabetic renal disease (NDRD) is a renal biopsy; however, there is currently no reliable diagnostic marker to identify DN and NDRD in a noninvasive manner. This study aimed to investigate the different glycopatterns in urine specimens of DN patients and NDRD patients for a differential diagnosis. METHODS: In total, 19 DN patients and 18 NDRD patients who underwent renal biopsies between March 2015 and March 2016 at the Chinese People's Liberation Army General Hospital were enrolled in this study...
January 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29335288/prognostic-value-of-high-sensitivity-troponin-t-in-chronic-heart-failure-an-individual-patient-data-meta-analysis
#17
REVIEW
Alberto Aimo, James L Januzzi, Giuseppe Vergaro, Andrea Ripoli, Roberto Latini, Serge Masson, Michela Magnoli, Inder S Anand, Jay N Cohn, Luigi Tavazzi, Gianni Tognoni, Jørgen Gravning, Thor Ueland, Ståle H Nymo, Hans-Peter Brunner-La Rocca, Antoni Bayes Genis, Josep Lupón, Rudolf A de Boer, Akiomi Yoshihisa, Yasuchika Takeishi, Michael Egstrup, Ida Gustafsson, Hanna K Gaggin, Kai M Eggers, Kurt Huber, Ioannis Tentzeris, Wai H W Tang, Justin Grodin, Claudio Passino, Michele Emdin
BACKGROUND: Most patients with chronic heart failure have detectable troponin concentrations when evaluated by high-sensitivity assays. The prognostic relevance of this finding has not been clearly established so far. We aimed to assess high-sensitivity troponin assay for risk stratification in chronic heart failure through a meta-analysis approach. METHODS: Medline, EMBASE, Cochrane Library, and Scopus were searched in April 2017 by 2 independent authors. The terms were "troponin" AND "heart failure" OR "cardiac failure" OR "cardiac dysfunction" OR "cardiac insufficiency" OR "left ventricular dysfunction...
January 16, 2018: Circulation
https://www.readbyqxmd.com/read/29334302/mirnas-as-potential-regulators-of-mtor-pathway-in-renal-cell-carcinoma
#18
Inês Nogueira, Francisca Dias, Ana Luísa Teixeira, Rui Medeiros
Renal cell carcinoma (RCC) is the most commonly occurring solid cancer of the adult kidney with the majority of RCC cases being detected accidentally. The most aggressive subtype is clear cell RCC (ccRCC). miRNAs, a family of small noncoding RNAs regulating gene expression have been identified as key biological modulators. The von Hippel-Lindau pathway is one of the signaling pathways involved in the pathophysiology of ccRCC. Another oncogenic mechanism involves the activation of PI3K/AKT/mTOR signaling and serves as a central regulator of cell metabolism, proliferation and survival...
January 15, 2018: Pharmacogenomics
https://www.readbyqxmd.com/read/29333147/novel-filtration-markers-for-gfr-estimation
#19
Amy B Karger, Lesley A Inker, Josef Coresh, Andrew S Levey, John H Eckfeldt
Creatinine-based glomerular filtration rate estimation (eGFRcr) has been improved and refined since the 1970s through both the Modification of Diet in Renal Disease (MDRD) Study equation in 1999 and the CKD Epidemiology Collaboration (CKD-EPI) equation in 2009, with current clinical practice dependent primarily on eGFR for accurate assessment of GFR. However, researchers and clinicians have recognized limitations of relying on creatinine as the only filtration marker, which can lead to inaccurate GFR estimates in certain populations due to the influence of non-GFR determinants of serum or plasma creatinine...
December 2017: EJIFCC
https://www.readbyqxmd.com/read/29331360/fully-automated-segmentation-of-polycystic-kidneys-from-noncontrast-computed-tomography-a-feasibility-study-and-preliminary-results
#20
Dario Turco, Maddalena Valinoti, Eva Maria Martin, Carlo Tagliaferri, Francesco Scolari, Cristiana Corsi
RATIONALE AND OBJECTIVES: Total kidney volume is an important biomarker for the evaluation of autosomal dominant polycystic kidney disease progression. In this study, we present a novel approach for automated segmentation of polycystic kidneys from non-contrast-enhanced computed tomography (CT) images. MATERIALS AND METHODS: Non-contrast-enhanced CT images were acquired from 21 patients with a diagnosis of autosomal dominant polycystic kidney disease. Kidney volumes obtained from the fully automated method were compared to volumes obtained by manual segmentation and evaluated using linear regression and Bland-Altman analyses...
January 10, 2018: Academic Radiology
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