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https://www.readbyqxmd.com/read/29334289/the-extracellular-matrix-degrading-protein-adamts5-is-expressed-in-the-nuclei-of-urothelial-cells-in-healthy-rats
#1
Dick Delbro, Lena Hallsberg, Ralph Peeker, Nikolai Scherbak, Magnus Fall, Rebecka Arnsrud Godtman
OBJECTIVE: The aim of this study was to investigate whether protein expression of the extracellular matrix-degrading protease ADAMTS5 can be demonstrated in the urinary bladder of healthy rats, and, if so, to determine the localization of this enzyme. MATERIALS AND METHODS: The experiments were conducted with eight inbred male Sprague-Dawley rats. Immunohistochemistry was used to investigate the expression of ADAMTS5 in the urinary bladder. Negative controls were established by either excluding the primary antibody or applying the antibody after it had been preabsorbed with its immunogenic peptide...
January 15, 2018: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/29332917/significance-of-sarcopenia-evaluation-in-acute-decompensated-heart-failure
#2
Keiichi Tsuchida, Yuki Fujihara, Jiro Hiroki, Takahiro Hakamata, Ryohei Sakai, Kota Nishida, Koji Sudo, Komei Tanaka, Yukio Hosaka, Kazuyoshi Takahashi, Hirotaka Oda
In patients with chronic heart failure (HF), the clinical importance of sarcopenia has been recognized in relation to disease severity, reduced exercise capacity, and adverse clinical outcome. Nevertheless, its impact on acute decompensated heart failure (ADHF) is still poorly understood. Dual-energy X-ray absorptiometry (DXA) is a technique for quantitatively analyzing muscle mass and the degree of sarcopenia. Fat-free mass index (FFMI) is a noninvasive and easily applicable marker of muscle mass.This was a prospective observational cohort study comprising 38 consecutive patients hospitalized for ADHF...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29332066/correlation-between-serum-calcineurin-activity-and-left-ventricular-hypertrophy-in-hypertensive-patients-and-its-clinical-significance
#3
Jia-Li Cao, Yu-Qing Yang, Dookhun Muhammad Nabeel, Ya-Li Sun, Hua-Yi-Yang Zou, Xiang-Qing Kong, Xin-Zheng Lu
OBJECTIVE: The aim of this study is to investigate the correlation between calcineurin (CaN) and hypertension with left ventricular hypertrophy (HLVH) and to evaluate its potential clinical significance. DESIGN: The study involved 160 patients diagnosed with hypertension and 42 controls. Based on the exclusion criteria, 42 were not eligible for this study. The remaining 118 hypertensive patients were categorized into 2 subgroups based on left ventricular mass index and relative ventricular wall thickness: a normal model subgroup with hypertension (HNM) and an HLVH subgroup...
January 13, 2018: Cardiology
https://www.readbyqxmd.com/read/29322198/association-of-cardiovascular-biomarkers-with-incident-heart-failure-with-preserved-and-reduced-ejection-fraction
#4
Rudolf A de Boer, Matthew Nayor, Christopher R deFilippi, Danielle Enserro, Vijeta Bhambhani, Jorge R Kizer, Michael J Blaha, Frank P Brouwers, Mary Cushman, Joao A C Lima, Hossein Bahrami, Pim van der Harst, Thomas J Wang, Ron T Gansevoort, Caroline S Fox, Hanna K Gaggin, Willem J Kop, Kiang Liu, Ramachandran S Vasan, Bruce M Psaty, Douglas S Lee, Hans L Hillege, Traci M Bartz, Emelia J Benjamin, Cheeling Chan, Matthew Allison, Julius M Gardin, James L Januzzi, Sanjiv J Shah, Daniel Levy, David M Herrington, Martin G Larson, Wiek H van Gilst, John S Gottdiener, Alain G Bertoni, Jennifer E Ho
Importance: Nearly half of all patients with heart failure have preserved ejection fraction (HFpEF) as opposed to reduced ejection fraction (HFrEF), yet associations of biomarkers with future heart failure subtype are incompletely understood. Objective: To evaluate the associations of 12 cardiovascular biomarkers with incident HFpEF vs HFrEF among adults from the general population. Design, Setting, and Participants: This study included 4 longitudinal community-based cohorts: the Cardiovascular Health Study (1989-1990; 1992-1993 for supplemental African-American cohort), the Framingham Heart Study (1995-1998), the Multi-Ethnic Study of Atherosclerosis (2000-2002), and the Prevention of Renal and Vascular End-stage Disease study (1997-1998)...
January 10, 2018: JAMA Cardiology
https://www.readbyqxmd.com/read/29321722/distinct-virulent-network-between-healthcare-and-community-associated-staphylococcus-aureus-based-on-proteomic-analysis
#5
Lei He, Hongwei Meng, Qian Liu, Mo Hu, Yanan Wang, Xiaoying Chen, Xiaoyun Liu, Min Li
Background: Staphylococcus aureus (S. aureus or SA) is a leading cause of healthcare-associated (HA-) and community-associated (CA) infection. HA-SA isolates usually cause nosocomial pneumonia, bloodstream infections, catheter-related urinary tract infections, etc. On the other hand, CA-SA isolates usually cause highly fatal diseases, such as SSTIs as well as post influenza necrotic hemorrhagic pneumonia. The differences of the infection types are partially due to the unique characteristics between HA-SA and CA-SA isolates...
2018: Clinical Proteomics
https://www.readbyqxmd.com/read/29310594/the-impact-of-cathelicidin-the-human-antimicrobial-peptide-ll-37-in-urinary-tract-infections
#6
Ibrahim H Babikir, Elsir A Abugroun, Naser Eldin Bilal, Abdullah Ali Alghasham, Elmuataz Elmansi Abdalla, Ishag Adam
BACKGROUND: The defense mechanisms of the urinary tract are attributed mainly to the innate immune system and the urinary tract urothelium which represent the first line of defense against invading pathogens and maintaining sterility of the urinary tract. There are only a few publications regarding cathelicidin (LL-37) and a urinary tract infection (UTI). This study was done to investigate the plasma and urine levels of human LL-37 in patients with UTI. METHODS: A case-control study was conducted at Omdurman Hospital, Sudan during the period from August 2014 to May 2017...
January 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29290449/lactation-response-to-soybean-meal-and-rumen-protected-methionine-supplementation-of-corn-silage-based-diets
#7
H Nursoy, M Gonzalez Ronquillo, A P Faciola, G A Broderick
Corn silage, an important forage fed to dairy cows in the United States, is energy rich but protein poor. The objectives of this experiment were to investigate the effects on production of milk and milk components of feeding corn silage-based diets with 4 levels of dietary crude protein (CP) plus rumen-protected methionine (RPM). Thirty-six cows were blocked by days in milk into 9 squares and randomly assigned to 9 balanced 4 × 4 Latin squares with four 4-wk periods. All diets were formulated to contain, as a percent of dry matter (DM), 50% corn silage, 10% alfalfa silage, 4% soyhulls, 2...
December 28, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29241593/rapid-differential-diagnosis-of-diabetes-insipidus-in-a-7-month-old-infant-the-copeptin-approach
#8
J Vergier, J Fromonot, A Alvares De Azevedo Macedo, A Godefroy, E Marquant, R Guieu, M Tsimaratos, R Reynaud
INTRODUCTION: Diabetes insipidus is characterized by hypoosmotic polyuria related to deficiency of arginine-vasopressin (AVP) secretion (central diabetes insipidus, CDI) or renal insensitivity to AVP (nephrogenic diabetes insipidus, NDI). The water deprivation test with assessment of AVP activity is currently the gold standard for differential diagnosis in patients presenting polyuria-polydipsia syndrome. Nevertheless, it can be dangerous without proper surveillance and its interpretation may be challenging...
January 2018: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29240457/urinary-peptidomics-in-kidney-disease-and-drug-research
#9
Magdalena Krochmal, Joost P Schanstra, Harald Mischak
Due to its close connection with the renal system, urine is considered a valuable source of information in kidney disease research. Peptidomics methods focus on the discovery of endogenous peptides, given their wide range of biological functions and diagnostic and therapeutic potential. Representing a non-invasive and sensitive method, technological prospects of urinary peptidomics should be evaluated in the context of drug discovery and research. Areas covered: This review describes urinary peptidomics with focus on its application in drug research in the field of kidney diseases...
December 14, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29233907/glucagon-like-peptide-1-acutely-affects-renal-blood-flow-and-urinary-flow-rate-in-spontaneously-hypertensive-rats-despite-significantly-reduced-renal-expression-of-glp-1-receptors
#10
Jonas Ronn, Elisa P Jensen, Nicolai J Wewer Albrechtsen, Jens Juul Holst, Charlotte M Sorensen
Glucagon-like peptide-1 (GLP-1) is an incretin hormone increasing postprandial insulin release. GLP-1 also induces diuresis and natriuresis in humans and rodents. The GLP-1 receptor is extensively expressed in the renal vascular tree in normotensive rats where acute GLP-1 treatment leads to increased mean arterial pressure (MAP) and increased renal blood flow (RBF). In hypertensive animal models, GLP-1 has been reported both to increase and decrease MAP. The aim of this study was to examine expression of renal GLP-1 receptors in spontaneously hypertensive rats (SHR) and to assess the effect of acute intrarenal infusion of GLP-1...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29226471/a-human-study-to-evaluate-safety-tolerability-and-cyclic-gmp-activating-properties-of-cenderitide-in-subjects-with-stable-chronic-heart-failure
#11
Rika Kawakami, Candace Y W Lee, Christopher Scott, Kent R Bailey, John A Schirger, Horng H Chen, Sherry L Benike, Valentina Cannone, Fernando L Martin, S Jeson Sangaralingham, Tomoko Ichiki, John C Burnett
Cenderitide is a novel designer natriuretic peptide (NP) composed of C-type natriuretic peptide (CNP) fused to the C-terminus of Dendroaspis natriuretic peptide (DNP). Cenderitide was engineered to co-activate the two NP receptors, particulate guanylyl cyclase (pGC)-A and -B. The rationale for its design was to achieve the renal-enhancing and anti-fibrotic properties of dual receptor activation, but without clinically significant hypotension. Here, we report the first clinical trial on the safety, tolerability and cyclic guanosine monophosphate (cGMP) activating properties of Cenderitide in subjects with stable HF...
December 11, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29225804/angiotensinogen-as-a-biomarker-of-acute-kidney-injury
#12
REVIEW
Sheeba Habeeb Ba Aqeel, Alejandro Sanchez, Daniel Batlle
Early recognition of acute kidney injury (AKI) is critical to prevent its associated complications as well as its progression to long term adverse outcomes like chronic kidney disease. A growing body of evidence from both laboratory and clinical studies suggests that inflammation is a key factor contributing to the progression of AKI regardless of the initiating event. Biomarkers of inflammation are therefore of interest in the evaluation of AKI pathogenesis and prognosis. There is evidence that the renin angiotensin aldosterone system is activated in AKI, which leads to an increase in angiotensin II (Ang II) formation within the kidney...
December 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29208969/association-of-kidney-fibrosis-with-urinary-peptides-a-path-towards-non-invasive-liquid-biopsies
#13
Pedro Magalhães, Martin Pejchinovski, Katerina Markoska, Miroslaw Banasik, Marian Klinger, Dominika Švec-Billá, Ivan Rychlík, Merita Rroji, Arianna Restivo, Giovambattista Capasso, Flaviu Bob, Adalbert Schiller, Alberto Ortiz, Maria Vanessa Perez-Gomez, Pablo Cannata, Maria Dolores Sanchez-Niño, Radomir Naumovic, Voin Brkovic, Momir Polenakovic, William Mullen, Antonia Vlahou, Petra Zürbig, Lars Pape, Franco Ferrario, Colette Denis, Goce Spasovski, Harald Mischak, Joost P Schanstra
Chronic kidney disease (CKD) is a prevalent cause of morbidity and mortality worldwide. A hallmark of CKD progression is renal fibrosis characterized by excessive accumulation of extracellular matrix (ECM) proteins. In this study, we aimed to investigate the correlation of the urinary proteome classifier CKD273 and individual urinary peptides with the degree of fibrosis. In total, 42 kidney biopsies and urine samples were examined. The percentage of fibrosis per total tissue area was assessed in Masson trichrome stained kidney tissues...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29208596/urinary-8-hydroxy-2-deoxyguanosine-as-a-myocardial-oxidative-stress-marker-is-associated-with-ventricular-tachycardia-in-patients-with-active-cardiac-sarcoidosis
#14
Hironori Ishiguchi, Shigeki Kobayashi, Takeki Myoren, Michiaki Kohno, Takuma Nanno, Wakako Murakami, Seiko Oda, Keishi Oishi, Shinichi Okuda, Munemasa Okada, Kazuyoshi Suga, Masafumi Yano
BACKGROUND: Recently, we reported that urinary 8-hydroxy-2'-deoxyguanosine (U-8-OHdG), an oxidative stress marker, reflected inflammatory activity in cardiac sarcoidosis (CS). Here, we investigated whether U-8-OHdG levels were associated with ventricular tachycardia (VT) in patients with CS. METHODS AND RESULTS: This prospective cohort study enrolled 62 consecutive patients with CS, of whom 36 were diagnosed as having active CS based on abnormal 18F-flurodeoxyglucose accumulation in the heart on positron-emission tomography/computed tomography...
December 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29187381/crrl269-a-novel-designer-and-renal-enhancing-pgc-a-peptide-activator
#15
Yang Chen, Gail J Harty, Brenda K Huntley, Seethalakshmi R Iyer, Denise M Heublein, Gerald E Harders, Laura M G Meems, Shuchong Pan, S Jeson Sangaralingham, Tomoko Ichiki, John C Burnett
AIMS: The natriuretic peptides (NPs) b-type NP (BNP) and urodilatin (URO) exert renal protective properties via the particulate guanylyl cyclase A receptor (pGC-A). As a potential renal enhancing strategy, we engineered a novel designer peptide that we call CRRL269. CRRL269 was investigated in human cell lines and in normal canines to define potential cardiorenal enhancing actions. The mechanism of its cardiorenal selective properties was also investigated. METHODS AND RESULTS: In vitro NP receptor activity was quantified with 3', 5' cyclic guanosine monophosphate (cGMP) generation...
November 29, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29178500/identifying-unique-subtypes-of-spinal-afferent-nerve-endings-within-the-urinary-bladder-of-mice
#16
Nick J Spencer, Sarah Greenheigh, Melinda Kyloh, Tim J Hibberd, Harman Sharma, Luke Grundy, Stuart M Brierley, Andrea M Harrington, Elizabeth A Beckett, Simon J Brookes, Vladimir P Zagorodnyuk
Spinal afferent neurons are responsible for the transduction and transmission of noxious (painful) stimuli and innocuous stimuli that do not reach conscious sensations from visceral organs to the central nervous system. Although the location of the nerve cell bodies of spinal afferents is well known to reside in dorsal root ganglia (DRG), the morphology and location of peripheral nerve endings of spinal afferents that transduce sensory stimuli into action potentials is poorly understood. The individual nerve endings of spinal afferents that innervate the urinary bladder have never been unequivocally identified in any species...
November 27, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29169841/distribution-and-neurochemistry-of-porcine-urinary-bladder-projecting-sensory-neurons-in-subdomains-of-the-dorsal-root-ganglia-a-quantitative-analysis
#17
Anna Kozłowska, Anita Mikołajczyk, Mariusz Majewski
The aim of the present study has been to verify the inter- and intraganglionic distribution pattern of porcine urinary bladder-projecting (UBP) neurons localized in the sacral dorsal root ganglia (DRGs). The morphology and chemical phenotype of these cells have also been investigated. These neurons were visualized using the fluorescent tracer Fast Blue (FB) which was injected bilaterally into the urinary bladder wall of five juvenile female pigs. The intraganglionic distribution showed that small- and medium-sized FB+ perikarya were mainly located in the central (S3-S4) and periphero-central (S2) region of the ganglia, while large cells were heterogeneously distributed...
November 20, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29155309/prognostic-utility-of-total-68ga-dotatate-avid-tumor-volume-in-patients-with-neuroendocrine-tumors
#18
Amit Tirosh, Georgios Z Papadakis, Corina Millo, Dima Hammoud, Samira M Sadowski, Peter Herscovitch, Karel Pacak, Stephen J Marx, Lily Yang, Pavel Nockel, Jasmine Shell, Patience Green, Xavier M Keutgen, Dhaval Patel, Naris Nilubol, Electron Kebebew
BACKGROUND & AIMS: Survival times vary among patients with neuroendocrine tumors (NETs)-even among those with the same site, stage, and grade of primary tumor. This makes it difficult to select treatment for patients with unresectable NETs, because some patients can survive decades without treatment. 68Gallium-DOTATATE positron emission tomography with computed tomography (68Ga-DOTATATE PET/CT) is a sensitive imaging technique for detection of NETs. We investigated the prognostic accuracy of 68Ga-DOTATATE PET/CT analysis of tumor volume in patients with NETs...
November 16, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29137984/recombinant-human-glp-1-rhglp-1-alleviating-renal-tubulointestitial-injury-in-diabetic-stz-induced-rats
#19
Weiqin Yin, Shiqing Xu, Zai Wang, Honglin Liu, Liang Peng, Qing Fang, Tingting Deng, Wenjian Zhang, Jinning Lou
GLP-1-based treatment improves glycemia through stimulation of insulin secretion and inhibition of glucagon secretion. Recently, more and more findings showed that GLP-1 could also protect kidney from diabetic nephropathy. Most of these studies focused on glomeruli, but the effect of GLP-1 on tubulointerstitial and tubule is not clear yet. In this study, we examined the renoprotective effect of recombinant human GLP-1 (rhGLP-1), and investigated the influence of GLP-1 on inflammation and tubulointerstitial injury using diabetic nephropathy rats model of STZ-induced...
November 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29136782/effect-of-human-umbilical-cord-blood-derived-mononuclear-cells-on-diabetic-nephropathy-in-rats
#20
Nahla E El-Ashmawy, Eman G Khedr, Hoda A El-Bahrawy, Shimaa A El-Berashy
Diabetic nephropathy (DN) is damage to the kidney which can lead to chronic renal failure, eventually requiring dialysis. Diabetes mellitus is the most common cause of adult kidney failure worldwide in the developed world. The current work was designed to elucidate the effect of mononuclear cells (MNCs) injection on reverse DN in rats exposed to streptozotocin (STZ) injection compared to metformin as a known hypoglycemic drug, 40 Male rats were divided equally into 4 groups; normal control group, diabetic control group, MNCs group were diabetic rats treated with MNCs (30×10(6) MNCs/rat once iv dose) in the tail vein of the rat, and metformin group were diabetic rats treated with metformin (100mg/kg orally daily dose) for four weeks...
November 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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