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https://www.readbyqxmd.com/read/28350824/time-and-radiation-dose-dependent-changes-in-the-plasma-proteome-after-total-body-irradiation-of-non-human-primates-implications-for-biomarker-selection
#1
Stephanie D Byrum, Marie S Burdine, Lisa Orr, Samuel G Mackintosh, Simon Authier, Mylene Pouliot, Martin Hauer-Jensen, Alan J Tackett
Acute radiation syndrome (ARS) is a complex multi-organ disease resulting from total body exposure to high doses of radiation. Individuals can be exposed to total body irradiation (TBI) in a number of ways, including terrorist radiological weapons or nuclear accidents. In order to determine whether an individual has been exposed to high doses of radiation and needs countermeasure treatment, robust biomarkers are needed to estimate radiation exposure from biospecimens such as blood or urine. In order to identity such candidate biomarkers of radiation exposure, high-resolution proteomics was used to analyze plasma from non-human primates following whole body irradiation (Co-60 at 6...
2017: PloS One
https://www.readbyqxmd.com/read/28345451/the-impact-of-advanced-proteomics-in-the-search-for-markers-and-therapeutic-targets-of-bladder-cancer
#2
Hongshuo Zhang, Yue Fan, Lingling Xia, Chunhui Gao, Xin Tong, Hanfu Wang, Lili Sun, Tuo Ji, Mingyu Jin, Bing Gu, Bo Fan
Bladder cancer is the most common cancer of the urinary tract and can be avoided through proper surveillance and monitoring. Several genetic factors are known to contribute to the progression of bladder cancer, many of which produce molecules that serve as cancer biomarkers. Blood, urine, and tissue are commonly analyzed for the presence of biomarkers, which can be derived from either the nucleus or the mitochondria. Recent advances in proteomics have facilitated the high-throughput profiling of data generated from bladder cancer-related proteins or peptides in parallel with high sensitivity and specificity, providing a wealth of information for biomarker discovery and validation...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28340799/is-there-a-long-term-risk-for-donors-with-heterozygous-mefv-mutation-after-kidney-donation
#3
S Karakose, S Erdogmus, S Akturk, A Tuzuner, S Sengul, K Keven
BACKGROUND: Familial Mediterranean fever (FMF) is an autosomal-recessive autoinflammatory disorder manifested severely by systemic amyloidosis. It has been hypothesized that heterozygous carriers may also have susceptibility to certain symptoms or even diseases. Because the living kidney donors of patients with FMF are generally relatives of the kidney recipients, there is a high possibility that the donors will have a heterozygous mutation of the FMF gene. The goal of this study was to investigate the long-term kidney function of donors who are carriers of the Mediterranean fever (MEFV) gene...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28340561/ascorbic-acid-ameliorates-renal-injury-in-a-murine-model-of-contrast-induced-nephropathy
#4
K Rollins, A Noorani, L Janeckova, T Jones, M Griffiths, M P Baker, J R Boyle
BACKGROUND: Contrast induced nephropathy (CIN) is the commonest cause of iatrogenic renal injury and its incidence has increased with the advent of complex endovascular procedures. Evidence suggests that ascorbic acid (AA) has a nephroprotective effect in percutaneous coronary interventions when contrast media are used. A variety of biomarkers (NGAL, NGAL:creatinine, mononuclear cell infiltration, apoptosis and RBP-4) in both the urine and kidney were assayed using a mouse model of CIN in order to determine whether AA can reduce the incidence and/or severity of renal injury...
March 24, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28339163/next-generation-sequencing-of-urine-specimens-a-novel-platform-for-genomic-analysis-in-patients-with-non-muscle-invasive-urothelial-carcinoma-treated-with-bacille-calmette-gu%C3%A3-rin
#5
Sasinya N Scott, Irina Ostrovnaya, Caroline M Lin, Nancy Bouvier, Bernard H Bochner, Gopakumar Iyer, David Solit, Michael F Berger, Oscar Lin
BACKGROUND: Biopsies from patients with high-risk (HR) non-muscle-invasive urothelial carcinoma (NMIUC), especially flat urothelial carcinoma in situ, frequently contain scant diagnostic material or denuded mucosa only, and this precludes further extensive genomic analysis. This study evaluated the use of next-generation sequencing (NGS) analysis of urine cytology material from patients with HR NMIUC in an attempt to identify genetic alterations that might correlate with clinical features and responses to bacille Calmette-Guérin (BCG) treatment...
March 24, 2017: Cancer
https://www.readbyqxmd.com/read/28337723/assessment-of-safety-efficacy-and-dosimetry-of-a-novel-18-kda-translocator-protein-ligand-11-c-cb184-in-healthy-human-volunteers
#6
Muneyuki Sakata, Kenji Ishibashi, Masamichi Imai, Kei Wagatsuma, Kenji Ishii, Kentaro Hatano, Kiichi Ishiwata, Jun Toyohara
BACKGROUND: N,N-di-n-propyl-2-[2-(4-[(11)C]methoxyphenyl)-6,8-dichloroimidazol[1,2-a]pyridine-3-yl]acetamide ([(11)C]CB184) is a novel selective radioligand for the 18-kD translocator protein (TSPO), which is upregulated in activated microglia in the brain, and may be useful in positron emission tomography (PET). We examined the safety, radiation dosimetry, and initial brain imaging with [(11)C]CB184 in healthy human volunteers. RESULTS: Dynamic [(11)C]CB184 PET scans (90 min) were performed in five healthy male subjects...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28326197/childhood-nephrotic-syndrome-management-and-outcome-a-single-center-retrospective-analysis
#7
Chia-Shi Wang, Jia Yan, Robert Palmer, James Bost, Mattie Feasel Wolf, Larry A Greenbaum
There is a paucity of information on outpatient management and risk factors for hospitalization and complications in childhood nephrotic syndrome (NS). We described the management, patient adherence, and inpatient and outpatient usage of 87 pediatric NS patients diagnosed between 2006 and 2012 in the Atlanta Metropolitan Statistical Area. Multivariable analyses were performed to examine the associations between patient characteristics and disease outcome. We found that 51% of the patients were treated with two or more immunosuppressants...
2017: International Journal of Nephrology
https://www.readbyqxmd.com/read/28323666/febrile-infant-update
#8
Kate Dorney, Richard G Bachur
PURPOSE OF REVIEW: The approach to febrile young infants remains challenging. This review serves as an update on the care of febrile infants less than 90 days of age with a focus on the changing epidemiology of serious bacterial infection (SBI), refinement of management strategies based on biomarkers, and the development of novel diagnostics. RECENT FINDINGS: There is high variability in the emergency department management of febrile young infants without significant differences in outcomes...
March 20, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28322418/associations-of-sodium-potassium-and-protein-intake-with-blood-pressure-and-hypertension-in-switzerland
#9
Nicolas Glatz, Aline Chappuis, David Conen, Paul Erne, Antoinette Péchère-Bertschi, Idris Guessous, Valentina Forni, Luca Gabutti, Franco Muggli, Augusto Gallino, Daniel Hayoz, Isabelle Binet, Paolo Suter, Fred Paccaud, Murielle Bochud, Michel Burnier
BACKGROUND: Nutritional factors play an important role in the regulation of blood pressure and in the development of hypertension. In this analysis, we explored the associations of 24-hour urinary Na+, K+ and urea excretion with blood pressure levels and the risk of hypertension in the Swiss population, taking regional linguistic differences into account. METHODS: The Swiss Survey on Salt is a population based cross-sectional study that included 1336 subjects from the three main linguistic regions (French, German and Italian) of Switzerland...
March 21, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28319945/glomerular-proteinuria-predicts-the-severity-of-acute-kidney-injury-in-puumala-hantavirus-induced-tubulointerstitial-nephritis
#10
Paula S Mantula, Tuula K Outinen, Jan P G Clement, Heini S A Huhtala, Ilkka H Pörsti, Antti Vaheri, Jukka T Mustonen, Satu M Mäkelä
BACKGROUND: Puumala virus (PUUV)-induced hemorrhagic fever with renal syndrome is common in many European countries. The typical renal histologic lesion is acute tubulointerstitial nephritis. We examined the type and kinetics of urine protein excretion and prognostic significance of proteinuria for the severity of acute kidney injury (AKI) in acute PUUV infection. METHODS: The amount of dipstick albuminuria at hospital admission was analyzed in 205 patients with acute PUUV infection...
March 21, 2017: Nephron
https://www.readbyqxmd.com/read/28314883/stone-former-urine-proteome-demonstrates-a-cationic-shift-in-protein-distribution-compared-to-normal
#11
Ann M Kolbach-Mandel, Neil S Mandel, Brian R Hoffmann, Jack G Kleinman, Jeffrey A Wesson
Many urine proteins are found in calcium oxalate stones, yet decades of research have failed to define the role of urine proteins in stone formation. This urine proteomic study compares the relative amounts of abundant urine proteins between idiopathic calcium oxalate stone forming and non-stone forming (normal) cohorts to identify differences that might correlate with disease. Random mid-morning urine samples were collected following informed consent from 25 stone formers and 14 normal individuals. Proteins were isolated from urine using ultrafiltration...
March 17, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28306249/urinary-polycyclic-aromatic-hydrocarbon-metabolite-associations-with-biomarkers-of-inflammation-angiogenesis-and-oxidative-stress-in-pregnant-women
#12
Kelly K Ferguson, Thomas McElrath, Gerry G Pace, David Weller, Lixia Zeng, Subramaniam Pennathur, David Cantonwine, John D Meeker
Environmental exposure to polycyclic aromatic hydrocarbons (PAHs) is prevalent and may adversely impact pregnancy and development of the fetus. The purpose of this exploratory study was to examine urinary PAH metabolites in association with mediators of these outcomes. To do so we measured a panel of 12 inflammatory, angiogenic, and oxidative stress biomarkers in plasma or urine from women in their third trimester of pregnancy (n=200). Urinary PAH metabolites were highly detectable (>88%) in the study population, and most were higher in women who had lower education levels, higher body mass index, and who were African American...
March 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28295488/identification-of-contaminant-interferences-which-cause-positive-urine-reagent-test-strip-reactions-in-a-cage-setting-for-the-laboratory-housed-nonhuman-primate-beagle-dog-and-sprague-dawley-rat
#13
William D Siska, Dennis J Meyer, Albert E Schultze, Catherine Brandoff
BACKGROUND: A high incidence of unexplained positive urine reagent test strip reactions was observed in healthy, untreated laboratory-housed nonhuman primates, Beagle dogs, and Sprague-Dawley rats. Exposure of urine to cage pan contaminants was the suspected cause of the positive reactions. OBJECTIVES: The objective of this study was to identify cage pan contaminants which could cause positive reagent test strip reactions. METHODS: Contaminated urine was simulated by exposing water samples to cage pan contaminants, including cleaning solutions, feces from nonhuman primates, Beagle dogs, and Sprague-Dawley rats, certified laboratory animal diets, and dietary enrichments (vegetables, fruits, and food treats)...
March 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28295158/first-trimester-ultrasound-tests-alone-or-in-combination-with-first-trimester-serum-tests-for-down-s-syndrome-screening
#14
REVIEW
S Kate Alldred, Yemisi Takwoingi, Boliang Guo, Mary Pennant, Jonathan J Deeks, James P Neilson, Zarko Alfirevic
BACKGROUND: Down's syndrome occurs when a person has three, rather than two copies of chromosome 21; or the specific area of chromosome 21 implicated in causing Down's syndrome. It is the commonest congenital cause of mental disability and also leads to numerous metabolic and structural problems. It can be life-threatening, or lead to considerable ill health, although some individuals have only mild problems and can lead relatively normal lives. Having a baby with Down's syndrome is likely to have a significant impact on family life...
March 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28293101/new-developments-in-the-management-of-partial-onset-epilepsy-role-of-brivaracetam
#15
REVIEW
Giangennaro Coppola, Giulia Iapadre, Francesca Felicia Operto, Alberto Verrotti
Currently, a number of novel anticonvulsant drugs, the so-called third generation, are in various stages of development. Several of them are already available or in ongoing clinical trials. These new compounds should take advantage of new insights into the basic pathophysiology of epileptogenesis, drug metabolism and drug interactions. Many of them still need to be further evaluated mainly in real-world observational trials and registries. Among newer anticonvulsant drugs for partial-onset seizures (POSs), rufinamide, lacosamide, eslicarbazepine and perampanel are those new treatment options for which more substantial clinical evidence is currently available, both in adults and, to some extent, in children...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28289077/selective-activation-of-ampk-b1-containing-isoforms-improves-kidney-function-in-a-rat-model-of-diabetic-nephropathy
#16
Christopher T Salatto, Russell A Miller, Kimberly O Cameron, Emily Cokorinos, Allan Reyes, Jessica Ward, Matt Calabrese, Ravi Kurumbail, Francis Rajamohan, Amit S Kalgutkar, David A Tess, Andre Shavnya, Nathan E Genung, David J Edmonds, Aditi Jatkar, Benjamin S Maciejewski, Marina Amaro, Harmeet Gandhok, Mara Monetti, Katherine Cialdea, Eliza Bollinger, John M Kreeger, Timothy M Coskran, Alan C Opsahl, Germaine G Boucher, Morris J Birnbaum, Paul DaSilva-Jardine, Tim Rolph
Diabetic nephropathy remains an area of high unmet medical need, with current therapies slowing, but not preventing the progression of disease. A reduced phosphorylation state of adenosine monophosphate-activated protein kinase (AMPK) has been correlated with diminished kidney function in both human subjects and animal models of kidney disease. Here, we describe the identification of novel, potent, small molecule activators of AMPK that selectively activate AMPK heterotrimers containing the β1 subunit. After confirming that human and rodent kidney predominately express AMPK β1, we explore the effects of pharmacologic activation of AMPK in the ZSF-1 rat model of diabetic nephropathy...
March 13, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28287737/large-scale-srm-screen-of-urothelial-bladder-cancer-candidate-biomarkers-in-urine
#17
Elodie Duriez, Christophe D Masselon, Cédric Mesmin, Magali Court, Kevin Demeure, Yves Allory, Nuria Malats, Mariette Matondo, François Radvanyi, Jérôme Garin, Bruno Domon
Urothelial bladder cancer is a condition associated with high recurrence and substantial morbidity and mortality. Non-invasive urinary tests that would detect bladder cancer and tumor recurrence are required to significantly improve patient care. Over the last decade, numerous bladder cancer candidate biomarkers have been identified in the context of extensive proteomics or transcriptomics studies. To translate these findings in clinically useful biomarkers, the systematic evaluation of these candidates remains the bottleneck...
March 13, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28263611/field-free-atmospheric-pressure-photoionization-liquid-chromatography-mass-spectrometry-for-the-analysis-of-steroids-within-complex-biological-matrices
#18
Ross D McCulloch, Damon B Robb
A comparison study is presented in which the relative performance of a new orthogonal geometry field-free atmospheric pressure photoionization (FF-APPI) source was evaluated against both electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) for the analysis of a small panel of clinically relevant steroids, spiked within various complex biological matrices. Critical performance factors like sensitivity and susceptibility to matrix effects were assessed using a simple, isocratic, high-throughput LC-MS workflow...
March 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28261278/elevated-expression-of-tigit-on-cd3-cd4-t-cells-correlates-with-disease-activity-in-systemic-lupus-erythematosus
#19
Qing Luo, Jianqing Ye, Lulu Zeng, Xue Li, Le Fang, Beihua Ju, Zikun Huang, Junming Li
OBJECTIVES: It is well-known that lymphocytes play an important role in systemic lupus erythematosus (SLE). T cell immunoreceptor with Ig and immunoreceptor tyrosine-based inhibitory domains (TIGIT) is one of immunosuppressive costimulatory molecules that mediates an inhibitory effect. However, its roles in SLE are poorly understood. This study was designed to investigate the correlation between the frequencies of TIGIT-expressing CD3(+)CD4(+) T lymphocytes and SLE. METHODS: Patients with SLE were recruited from the First Affiliated Hospital of Nanchang University...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28258276/gypenosides-inhibits-xanthine-oxidoreductase-and-ameliorates-urate-excretion-in-hyperuricemic-rats-induced-by-high-cholesterol-and-high-fat-food-lipid-emulsion
#20
Minxia Pang, Yingying Fang, Suhong Chen, Xuexin Zhu, Chaowen Shan, Jie Su, Jingjing Yu, Bo Li, Yao Yang, Bo Chen, Kailun Liang, Huiming Hu, Guiyuan Lv
BACKGROUND The aim of this study was to study the effects of gypenosides (GPS) on lowering uric acid (UA) levels in hyperuricemic rats induced by lipid emulsion (LE) and the related mechanisms. GPS are natural saponins extracted from Gynostemma pentaphyllum. MATERIAL AND METHODS Forty-eight male SD rats were randomly divided into six groups: normal, model, two positive controls, and two GPS treated groups (two different doses of GPS). The normal group rats were fed a basic diet, and the other rats were orally pretreated with LE...
March 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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