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https://www.readbyqxmd.com/read/29781159/a-comparative-proteomics-analysis-of-five-body-fluids-plasma-urine-cerebrospinal-fluid-amniotic-fluid-and-saliva
#1
Mindi Zhao, Yehong Yang, Zhengguang Guo, Chen Shao, Haidan Sun, Yang Zhang, Ying Sun, Yaoran Liu, Yijun Song, Liwei Zhang, Qian Li, Juntao Liu, Mingxi Li, Youhe Gao, Wei Sun
PURPOSE: Body fluid is considered a rich source of disease biomarkers. Proteins in many body fluids have potential clinical applications for disease diagnostic and prognostic predictions. EXPERIMENTAL DESIGN: To determine differences in the protein components and functional features of body fluids, a proteomic comparison of five body fluids (plasma, urine, cerebrospinal fluid, saliva and amniotic fluid) was conducted by high-resolution mass spectrometry. RESULTS: A total of 4717 nonredundant proteins were identified, and the concentrations of 3433 proteins were estimated by an intensity-based algorithm quantitation method...
May 21, 2018: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29777769/a-combined-approach-for-the-early-recognition-of-acute-kidney-injury-after-adult-cardiac-surgery
#2
Cédrick Zaouter, Julien Potvin, Marie-Lise Bats, Marie-Christine Beauvieux, Alain Remy, Alexandre Ouattara
BACKGROUND: Cardiac surgery-associated acute kidney injury (CSA-AKI) is a frequent complication. The current criteria to detect CSA-AKI rise only when organic dysfunction has occurred. The Doppler Renal Resistive Index (RRI) and the urinary G1 cell cycle arrest proteins (TIMP-2 and IGFBP7) have been advocated to predict CSA-AKI at an early stage after cardiac surgery. The primary objective was to determine the predictive value of these new markers to detect CSA-AKI after elective heart surgery in patients at risk to develop AKI...
May 16, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29776718/high-urinary-ferritin-reflects-myoglobin-iron-evacuation-in-dmd-patients
#3
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/29772567/the-renin-angiotensin-system-not-the-kinin-kallikrein-system-affects-post-exercise-proteinuria
#4
Günnur Koçer, Filiz Basralı, Oktay Kuru, Ümit Kemal Şentürk
BACKGROUND/AIMS: Temporary proteinuria post-exercise is common and is caused predominantly by renal haemodynamic alterations. One reason is up-regulation of angiotensin II (Ang II) due to the reducing effect of angiotensin-converting enzyme (ACE) inhibitors. However, another, ignored, reason could be the kininase effect of ACE inhibition. This study investigated how ACE inhibition reduces post-exercise proteinuria: by either Ang II up-regulation inhibition or bradykinin elevation due to kininase activity inhibition...
May 17, 2018: Nephron
https://www.readbyqxmd.com/read/29766170/design-of-a-wearable-device-for-real-time-screening-of-urinary-tract-infection-and-kidney-disease-based-on-smartphone
#5
Jianyu Zhou, Tao Dong
In this study, we developed a novel wearable and low-cost device for qualitative screening of glucose (GLU), leukocytes (LEU), and nitrite (NIT) and for semi-quantitative analysis of blood (BLD) and proteins (PRO) in the urine samples. The device can be attached to a diaper, and the results can be read by an app. The main functions of the device can be divided into sample collection, valve closing, and pad saturation; the recorded times for valve closing and pad saturation at four corners and pad saturation at the central parts are pseudo-medians (Hodges-Lehmann estimator) of 3...
May 16, 2018: Analyst
https://www.readbyqxmd.com/read/29764003/a-bioartificial-kidney-device-with-polarized-secretion-of-immune-modulators
#6
N V Chevtchik, M Mihajlovic, M Fedecostante, L Bolhuis-Versteeg, J Sastre Toraño, R Masereeuw, D Stamatialis
The accumulation of protein-bound toxins in dialyzed patients is strongly associated with their high morbidity and mortality. The bioartificial kidney device (BAK), containing proximal tubule epithelial cells (PTEC) seeded on functionalized synthetic hollow fiber membranes (HFM), may be a powerful solution for the active removal of those metabolites. In an earlier study, we developed an upscaled BAK containing conditionally immortalized human PTEC (ciPTEC) with functional organic cationic transporter 2 (OCT2)...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29761335/-biomarkers-and-atrial-fibrillation-prediction-of-recurrences-and-thromboembolic-events-after-rhythm-control-management
#7
REVIEW
Jelena Kornej, Katja Schumacher, Daniela Husser, Gerhard Hindricks
Atrial fibrillation (AF) is the most common arrhythmia in clinical praxis and is associated with an increased risk for cardio- and cerebrovascular complications leading to an increased mortality. Catheter ablation represents one of the most important and efficient therapy strategies in AF patients. Nevertheless, the high incidence of arrhythmia recurrences after catheter ablation leads to repeated procedures and higher treatment costs. Recently, several scores had been developed to predict rhythm outcomes after catheter ablation...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29761105/prevalence-of-proteinuria-and-albuminuria-in-an-obese-population-and-associated-risk-factors
#8
Jordan L Rosenstock, Max Pommier, Guillaume Stoffels, Satyam Patel, Michael F Michelis
Obesity has been increasingly recognized as a risk factor for kidney disease and both proteinuria and microalbuminuria have been associated with obesity. The actual prevalence of microalbuminuria and proteinuria in obese patients in the United States (US) has not been clearly described in the literature. Furthermore, obesity is associated with risk factors of kidney disease, such as diabetes and hypertension (HTN), and the prevalence of proteinuria and albuminuria excluding these risk factors is uncertain. In this study, we collected urine albumin/creatinine and urine protein/creatinine ratios on obese patients undergoing bariatric surgery to determine the prevalence of albuminuria and proteinuria in obese patients with and without associated diabetes and HTN...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29760869/metabolic-alterations-in-urine-extracellular-vesicles-are-associated-to-prostate-cancer-pathogenesis-and-progression
#9
Marc Clos-Garcia, Ana Loizaga-Iriarte, Patricia Zuñiga-Garcia, Pilar Sánchez-Mosquera, Ana Rosa Cortazar, Esperanza González, Verónica Torrano, Cristina Alonso, Miriam Pérez-Cormenzana, Aitziber Ugalde-Olano, Isabel Lacasa-Viscasillas, Azucena Castro, Felix Royo, Miguel Unda, Arkaitz Carracedo, Juan M Falcón-Pérez
Urine contains extracellular vesicles (EVs) that concentrate molecules and protect them from degradation. Thus, isolation and characterisation of urinary EVs could increase the efficiency of biomarker discovery. We have previously identified proteins and RNAs with differential abundance in urinary EVs from prostate cancer (PCa) patients compared to benign prostate hyperplasia (BPH). Here, we focused on the analysis of the metabolites contained in urinary EVs collected from patients with PCa and BPH. Targeted metabolomics analysis of EVs was performed by ultra-high-performance liquid chromatography-mass spectrometry...
2018: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/29759185/a-fast-sample-processing-strategy-for-large-scale-profiling-of-human-urine-phosphoproteome-by-mass-spectrometry
#10
Xinyuan Zhao, Wanjun Zhang, Tong Liu, Hangyan Dong, Junjie Huang, Changqing Sun, Guangshun Wang, Xiaohong Qian, Weijie Qin
Liquid biopsies using body fluids have gained much attention in recent years due to their multiple advantages in clinical diagnosis, such as less/non-invasive collection, suitability for longitudinal disease monitoring, and better representation of tumor heterogeneity. As an attractive choice for liquid biopsy, urine proteins and their post-translational modifications (PTMs) have the potential to offer significant insights into physiological variations and pathological changes in the human body. However, due to the intrinsically large variability of urine proteins and their PTMs among different individuals, there is a high demand for strategies for high-throughput analysis of a large number of samples to obtain a comprehensive view and a reliable reference interval of the urine proteome...
August 1, 2018: Talanta
https://www.readbyqxmd.com/read/29752915/increase-in-insulin-secretion-and-decrease-in-muscle-degradation-by-fat-free-milk-intake-are-attenuated-by-physical-exercise
#11
Tetsuo Yamada, Masami Matsuzaki, Akira Tanaka
BACKGROUND: Protein intake, particularly branched chain amino acids (BCAAs), and exercise have opposing actions on insulin secretion, but the same action on protein anabolism. We examined the effects of BCAA-rich fat-free milk intake and/or exercise on levels of insulin secretion and indices related to muscle protein metabolism in order to assess the potency of dietary and exercise therapies against metabolic and locomotive disorders. METHODS: Eight adult female volunteers participated in all four 24 h experiments; control diet intake with or without exercise, and fat-free milk-containing diet intake with or without exercise...
May 9, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29751827/timp-2-igfbp7-predicts-acute-kidney-injury-in-out-of-hospital-cardiac-arrest-survivors
#12
Christoph Adler, Tobias Heller, Felix Schregel, Henning Hagmann, Martin Hellmich, Joana Adler, Hannes Reuter
BACKGROUND: Acute kidney injury (AKI) is a common complication after cardiopulmonary resuscitation (CPR) and predicts in-hospital mortality. To which extent post-resuscitation disease or the initial event of cardiac arrest and the duration of insufficient cardiac output triggers AKI is challenging to discriminate. Knowledge on molecular mediators of AKI is scarce. Early identification of patients at high risk of AKI is hampered by the low sensitivity of the established tests in clinical routine practice...
May 12, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29740775/evaluation-of-plasma-biomarkers-of-inflammation-in-patients-with-maple-syrup-urine-disease
#13
Giselli Scaini, Tássia Tonon, Carolina F Moura de Souza, Patricia F Schuck, Gustavo C Ferreira, João Quevedo, João Seda Neto, Tatiana Amorim, Jose S Camelo, Ana Vitoria Barban Margutti, Rafael Hencke Tresbach, Fernanda Sperb-Ludwig, Raquel Boy, Paula F V de Medeiros, Ida Vanessa D Schwartz, Emilio Luiz Streck
Maple syrup urine disease (MSUD) is an autosomal recessive inherited disorder that affects branched-chain amino acid (BCAA) catabolism and is associated with acute and chronic brain dysfunction. Recent studies have shown that inflammation may be involved in the neuropathology of MSUD. However, these studies have mainly focused on single or small subsets of proteins or molecules. Here we performed a case-control study, including 12 treated-MSUD patients, in order to investigate the plasmatic biomarkers of inflammation, to help to establish a possible relationship between these biomarkers and the disease...
May 8, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29739889/farnesoid-x-receptor-is-essential-for-the-survival-of-renal-medullary-collecting-duct-cells-under-hypertonic-stress
#14
Sujuan Xu, Shizheng Huang, Zhilin Luan, Tingyue Chen, Yuanyi Wei, Miaomiao Xing, Yaqing Li, Chunxiu Du, Bing Wang, Feng Zheng, Nanping Wang, Youfei Guan, Jan-Åke Gustafsson, Xiaoyan Zhang
Hypertonicity in renal medulla is critical for the kidney to produce concentrated urine. Renal medullary cells have to survive high medullary osmolarity during antidiuresis. Previous study reported that farnesoid X receptor (FXR), a nuclear receptor transcription factor activated by endogenous bile acids, increases urine concentrating ability by up-regulating aquaporin 2 expression in medullary collecting duct cells (MCDs). However, whether FXR is also involved in the maintenance of cell survival of MCDs under dehydration condition and hypertonic stress remains largely unknown...
May 8, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29739389/effect-of-increased-enteral-protein-intake-on-plasma-and-urinary-urea-concentrations-in-preterm-infants-born-at-32-weeks-gestation-and-1500-g-birth-weight-enrolled-in-a-randomized-controlled-trial-a-secondary-analysis
#15
Michaela Mathes, Christoph Maas, Christine Bleeker, Julia Vek, Wolfgang Bernhard, Andreas Peter, Christian F Poets, Axel R Franz
BACKGROUND: Feeding breast milk is associated with reduced morbidity and mortality, as well as improved neurodevelopmental outcome but does not meet the high nutritional requirements of preterm infants. Both plasma and urinary urea concentrations represent amino acid oxidation and low concentrations may indicate insufficient protein supply. This study assesses the effect of different levels of enteral protein on plasma and urinary urea concentrations and determines if the urinary urea-creatinine ratio provides reliable information about the protein status of preterm infants...
May 8, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29739108/using-blood-and-plasma-micrornas-as-a-non-invasive-biomarker-in-patients-with-colorectal-cancer
#16
Horatiu Stefanescu, Delia Muntean, Ciprian Pilut, Mircea Diaconu, Roxana Popescu, Delia Hutanu, Marius Moise, Lighezan Diana, Razvan Nitu, Alina Popa Cherecheanu, Silvius Negoita, Ciprian V Iovan, Emil Ungureanu, Valentin Calu, Ioana Ciuca
BACKGROUND: A high percentage of oncological patients die yearly because of colorectal cancer (CRC). Worldwide, CRC represents the fourth leading cause of death among oncological patients. Numerous studies have been conducted in order to identify new biomarkers for the early diagnosis of patients with CRC. From this point of view, an ideal biomarker is represented by the expression of microRNAs. In this paper, we wish to summarize the expressions of microRNAs in CRC and to present the pathophysiological and genetic interactions that microRNAs have with protein systems in these patients...
March 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29738037/clinical-and-laboratory-features-of-urinary-tract-infections-in-young-infants
#17
Denise Swei Lo, Larissa Rodrigues, Vera Hermina Kalika Koch, Alfredo Elias Gilio
INTRODUCTION: Urinary tract infection (UTI) is the most common serious bacterial infection in young infants. Signs and symptoms are often nonspecific. OBJECTIVES: To describe clinical, demographic and laboratory features of UTI in infants ≤ 3 months old. METHODS: Cross-sectional study of infants ≤ 3 months old with UTI diagnosed in a pediatric emergency department, for the period 2010-2012. UTI was defined as ≥ 50,000 colony-forming units per milliliter of a single uropathogen isolated from bladder catheterization...
April 26, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29736297/anti-diabetic-activity-of-quercetin-extracted-from-phyllanthus-emblica-l-fruit-in-silico-and-in-vivo-approaches
#18
Prabhu Srinivasan, S Vijayakumar, Swaminathan Kothandaraman, Manogar Palani
In this study, molecular interactions of the ligands, quercetin, gallic acid, and metformin with various diabetes mellitus-related protein targets, such as glycogen phosphorylase and peroxisome proliferator-activated receptor gamma, were assessed. It was revealed that quercetin possesses good binding affinity to both targets. Quercetin is a major constituent of methanolic extracts of Phyllanthus emblica fruit. The antihyperglycemic effect of quercetin in streptozotocin (STZ)-induced diabetic rats was examined...
April 2018: Journal of Pharmaceutical Analysis
https://www.readbyqxmd.com/read/29735822/molecular-characterisation-of-staphylococcus-aureus-using-spa-typing-as-a-diagnostic-tool-in-haryana-india
#19
Gurjeet Singh, Shobha Broor, Priti Agarwal
Background: Staphylococcus aureus is one of the top six most common etiologic agents of nosocomial, community and livestock acquired bacterial infections. These infections although initially were described as a major problem in hospitals have now also become a serious threat in community not only in India but also worldwide. Its prevalence varies depending on the health-care setting, country or a particular region. Thus to better understand the epidemiology of methicillin-resistant S...
January 2018: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29732486/metallothionein-is-elevated-in-liver-and-duodenum-of-atp7b-mice
#20
Chengcheng Christine Zhang, Martin Volkmann, Sabine Tuma, Wolfgang Stremmel, Uta Merle
Different mutations in the copper transporter gene Atp7b are identified as the primary cause of Wilson's disease. These changes result in high copper concentrations especially in the liver and brain, and consequently lead to a dysfunction of these organs. The Atp7(-/-) mouse is an established animal model for Wilson's disease and characterized by an abnormal copper accumulation, a low serum oxidase activity and an increased copper excretion in urine. Metallothionein (MT) proteins are low molecular weight metal-binding proteins and essential for the zinc homeostasis but also play a role for the regulation of other metals, e...
May 7, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
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