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https://www.readbyqxmd.com/read/28340239/hypertension-in-dialysis-patients-a-consensus-document-by-the-european-renal-and-cardiovascular-medicine-eureca-m-working-group-of-the-european-renal-association-european-dialysis-and-transplant-association-era-edta-and-the-hypertension-and-the-kidney-working
#1
Pantelis A Sarafidis, Alexandre Persu, Rajiv Agarwal, Michel Burnier, Peter de Leeuw, Charles J Ferro, Jean-Michel Halimi, Gunnar H Heine, Michel Jadoul, Faical Jarraya, Mehmet Kanbay, Francesca Mallamaci, Patrick B Mark, Alberto Ortiz, Gianfranco Parati, Roberto Pontremoli, Patrick Rossignol, Luis Ruilope, Patricia Van der Niepen, Raymond Vanholder, Marianne C Verhaar, Andrzej Wiecek, Gregoire Wuerzner, Gérard M London, Carmine Zoccali
In patients with end-stage renal disease (ESRD) treated with haemodialysis or peritoneal dialysis, hypertension is common and often poorly controlled. Blood pressure (BP) recordings obtained before or after haemodialysis display a J- or U-shaped association with cardiovascular events and survival, but this most likely reflects the low accuracy of these measurements and the peculiar haemodynamic setting related to dialysis treatment. Elevated BP detected by home or ambulatory BP monitoring is clearly associated with shorter survival...
March 13, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340139/assessment-of-acute-kidney-injury-in-rhabdomyolytic-mice-by-transcutaneous-measurement-of-sinistrin-excretion
#2
Aldo Moggio, Stefania Geraci, Alberto Boido, Carsten Sticht, Norbert Gretz, Benedetta Bussolati
Background: . Early and accurate assessment of renal function is required for the successful detection and treatment of acute kidney injury (AKI). However, only retention parameters such as plasma urea and creatinine, and the indirect estimation of glomerular filtration rate are commonly available. Methods.: Here, we measured the kinetics of plasma fluorescein isothiocyanate (FITC)-sinistrin excretion to detect alterations of renal function over time in a murine model of rhabdomyolysis-induced AKI...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339962/fstl3-is-increased-in-renal-dysfunction
#3
Susan Kralisch, Annett Hoffmann, Nora Klöting, Anette Bachmann, Jürgen Kratzsch, Jens-Uwe Stolzenburg, Anja Dietel, Joachim Beige, Matthias Anders, Ingolf Bast, Matthias Blüher, Ming-Zhi Zhang, Raymond C Harris, Michael Stumvoll, Mathias Fasshauer, Thomas Ebert
Background.: Follistatin-like 3 (FSTL3) is a novel cytokine that regulates insulin sensitivity and counteracts activin/myostatin signalling. In the present study, regulation of FSTL3 in renal dysfunction was investigated in both human chronic kidney disease (CKD) and acute kidney dysfunction (AKD). Furthermore, mFSTL3 expression was analysed in insulin-sensitive tissues in a mouse model of CKD. Methods.: Circulating FSTL3 was quantified by enzyme-linked immunosorbent assay in 581 patients with CKD covering the whole spectrum of estimated glomerular filtration rate (eGFR) categories from G1 to G5...
March 3, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339802/alterations-in-urinary-collagen-peptides-in-lupus-nephritis-subjects-correlate-with-renal-dysfunction-and-renal-histopathology
#4
Ru Wei, Benbo Gao, Fei Shih, Ann Ranger, Andrea Dearth, Harald Mischak, Justyna Siwy, Nicolas Wisniacki, Michelle Petri, Linda C Burkly
Background.: The excessive accumulation of extracellular matrix (ECM) in the renal tubulointerstitium is a key component of chronic renal damage in lupus nephritis (LN) and a critical determinant of the disease progression to renal failure. Detection of fibrosis requires renal biopsy and is therefore limited by high risks associated with an invasive procedure. This study explores whether a unique LN urinary peptidome can be identified and whether LN-specific alteration reflects the underlying fibrogenic process of altered ECM turnover...
February 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28338377/sodium-potassium-adenosine-triphosphatase-na-k-atpase-as-a-therapeutic-target-for-uremic-cardiomyopathy
#5
Xiaoliang Wang, Jiang Liu, Christopher A Drummond, Joseph Shapiro
Clinically, patients with significant reductions in renal function present with cardiovascular dysfunction typically termed, uremic cardiomyopathy. It is a progressive series of cardiac pathophysiological changes, including left ventricular diastolic dysfunction and hypertrophy (LVH) which sometimes progress to left ventricular dilation (LVD) and systolic dysfunction in the setting of chronic kidney disease (CKD). Uremic cardiomyopathy is almost ubiquitous in patients afflicted with end stage renal disease (ESRD)...
March 24, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28337255/combined-therapy-with-melatonin-and-exendin-4-effectively-attenuated-the-deterioration-of-renal-function-in-rat-cardiorenal-syndrome
#6
Kuan-Hung Chen, Chih-Hung Chen, Christopher Glenn Wallace, Yen-Ta Chen, Chih-Chao Yang, Pei-Hsun Sung, Hsin-Ju Chiang, Yi-Ling Chen, Sarah Chua, Hon-Kan Yip, Jiin-Tsuey Cheng
This study tested the hypothesis that combined therapy with melatonin (Mel) and exendin-4 (Ex4) would be superior to either therapy alone for preventing the deterioration of renal function in cardiorenal syndrome (CRS). Male adult Sprague Dawley rats (n = 48) were randomly and equally divided into sham-control (SC), chronic kidney disease (CKD; induced by 5/6 nephrectomy), CRS (CKD + dilated cardiomyopathy, DCM; induced by doxorubicin 7 mg/kg i.p. every 5 days, 4 doses), CRS-Mel (20 mg/kg/day), CRS-Ex4 (10 µg/kg/day) and CRS-Mel-Ex4...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336397/soluble-endoglin-modulates-the-pro-inflammatory-mediators-nf-%C3%AE%C2%BAb-and-il-6-in-cultured-human-endothelial-cells
#7
Michala Varejckova, Eunate Gallardo-Vara, Matej Vicen, Barbora Vitverova, Petra Fikrova, Eva Dolezelova, Jana Rathouska, Alena Prasnicka, Katerina Blazickova, Stanislav Micuda, Carmelo Bernabeu, Ivana Nemeckova, Petr Nachtigal
AIMS: Endoglin is a transmembrane glycoprotein, that plays an important role in regulating endothelium. Proteolytic cleavage of membrane endoglin releases soluble endoglin (sEng), whose increased plasma levels have been detected in diseases related to the cardiovascular system. It was proposed that sEng might damage vascular endothelium, but detailed information about the potential mechanisms involved is not available. Thus, we hypothesized that sEng contributes to endothelial dysfunction, leading to a pro-inflammatory phenotype by a possible modulation of the TGF-β and/or inflammatory pathways...
March 20, 2017: Life Sciences
https://www.readbyqxmd.com/read/28336174/the-exposure-to-formaldehyde-causes-renal-dysfunction-inflammation-and-redox-imbalance-in-rats
#8
Camila de Oliveira Ramos, Clarissa Rodrigues Nardeli, Keila Karine Duarte Campos, Karina Braga Pena, Dafne Fernandes Machado, Ana Carla Balthar Bandeira, Guilherme de Paula Costa, André Talvani, Frank Silva Bezerra
Twenty-eight Fischer male rats were divided into four groups: control group (CG), exposed to the ambient air, and groups exposed to formaldehyde (FA) at concentrations of 1% (FA1%), 5% (FA5%) and 10% (FA10%). Kidney function was assessed by dosage of uric acid, creatinine and urea. Morphometry was performed on the thickness of the lumen of Bowman's capsule and diameter of the lumen of the renal tubules. We evaluated the redox imbalance through the catalase and superoxide dismutase activity as well as oxidative damage by lipid peroxidation...
March 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28333655/biochemical-and-electrocardiographic-studies-on-the-beneficial-effects-of-gallic-acid-in-cyclophosphamide-induced-cardiorenal-dysfunction
#9
Omolola Rachel Ogunsanwo, Ademola Adetokunbo Oyagbemi, Temidayo Olutayo Omobowale, Ebunoluwa Racheal Asenuga, Adebowale Bernard Saba
Background Cardiac toxicity is one of the life-threatening complications of cancer therapy. Cyclophosphamide (CYP) is an alkylating agent with potent antineoplastic and immunosuppressive properties and possibly the most widely used antineoplastic agent. Chronic cardiotoxicity associated with CYP is characterized by progressive heart failure developing from weeks to years after therapy. Methods In this study, rats were administered with (60 mg/kg and 120 mg/kg) alone or in combination with single intraperitoneal (200 mg/kg) administration of CYP for 7 days...
March 22, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28333416/severe-transplant-associated-thrombotic-microangiopathy-in-patients-with-hemoglobinopathies
#10
Ghada A Abusin, Rolla Abu-Arja, Rajinder P S Bajwa, Edwin M Horwitz, Jeffery J Auletta, Hemalatha G Rangarajan
Incidence and severity of transplant-associated thrombotic microangiopathy (TA-TMA) in patients with hemoglobinopathies receiving hematopoietic cell transplant is unknown. We report the outcomes for two patients with TA-TMA who received eculizumab. A 2.5-year-old male with sickle cell disease developed TA-TMA-associated pericardial tamponade, severe hypertension, and acute kidney injury 2 months after transplant. A 7-year-old female with β-thalassemia major developed TA-TMA-related acute kidney injury, severe hypertension, and seizures at 6 months after transplant...
March 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28331622/c-terminal-proendothelin-1-ct-proet-1-is-associated-with-organ-failure-and-predicts-mortality-in-critically-ill-patients
#11
Lukas Buendgens, Eray Yagmur, Jan Bruensing, Ulf Herbers, Christer Baeck, Christian Trautwein, Alexander Koch, Frank Tacke
BACKGROUND: Endothelin 1 (ET-1) is a strong vasoconstrictor, which is involved in inflammation and reduced tissue perfusion. C-terminal proendothelin-1 (CT-proET-1) is the stable circulating precursor protein of ET-1. We hypothesized that CT-proET-1, reflecting ET-1 activation, is involved in the pathogenesis of critical illness and associated with its prognosis. METHODS: Two hundred seventeen critically ill patients (144 with sepsis, 73 without sepsis) were included prospectively upon admission to the medical intensive care unit (ICU), in comparison to 65 healthy controls...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28331063/microrna-148b-regulates-megalin-expression-and-is-associated-with-receptor-downregulation-in-mice-with-unilateral-ureteral-obstruction
#12
Lu Wen, Pia K Andersen, Dina Mu Husum, Rikke Norregaard, Zhanzheng Zhao, Zhangsuo Liu, Henrik Birn
Megalin is a multiligand, endocytic receptor important for the normal, proximal tubule reabsorption of filtered proteins, hormones, enzymes, essential nutrients, and nephrotoxins. Megalin dysfunction has been associated with acute as well as chronic kidney diseases. Tubular proteinuria has been observed following unilateral ureteral obstruction (UUO) suggesting megalin dysfunction; however, the pathophysiological mechanism has not been resolved. In order to identify potential regulators of megalin expression, we examined renal microRNAs (miRNAs) expression and observed an upregulation of microRNA-148b (miR-148b) in obstructed mouse kidneys 7 days after UUO which was associated with a significant reduction in proximal tubule megalin expression and accumulation of megalin ligands...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28331062/hypoxia-inducible-factor-1%C3%AE-activation-improves-renal-oxygenation-and-mitochondrial-function-in-early-chronic-kidney-disease
#13
Joanna L Thomas, Hai Pham, Ying Li, Elanore Hall, Guy A Perkins, Sameh S Ali, Hemal H Patel, Prabhleen Singh
Pathophysiology of chronic kidney disease (CKD) is driven by alterations in surviving nephrons to sustain renal function with ongoing nephron loss. Oxygen supply-demand mismatch, due to hemodynamic adaptations, with resultant hypoxia, plays an important role in the pathophysiology in early CKD. We sought to investigate the underlying mechanisms of this mismatch. We utilized the subtotal nephrectomy (STN) model of CKD to investigate the alterations in renal oxygenation linked to sodium (Na) transport and mitochondrial function in the surviving nephrons...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28331061/an-intracellular-matrix-metalloproteinase-2-isoform-induces-tubular-regulated-necrosis-implications-for-acute-kidney-injury
#14
Carla S Ceron, Celine Baligand, Sunil K Joshi, Shaynah Wanga, Patrick M Cowley, Joy P Walker, Sang Heon Song, Rajeev Mahimkar, Anthony J Baker, Robert L Raffai, Zhen J Wang, David H Lovett
Acute kidney injury (AKI) causes severe morbidity, mortality, and chronic kidney disease (CKD). Mortality is particularly marked in the elderly and with pre-existing CKD. Oxidative stress is a common theme in models of AKI induced by ischemia/reperfusion (I/R) injury. We recently characterized an intracellular isoform of matrix metalloproteinase-2 (MMP-2) induced by oxidative stress-mediated activation of an alternate promoter in the first intron of the MMP-2 gene. This generates an N-terminal truncated MMP-2 isoform (NTT-MMP-2) that is intracellular and associated with mitochondria...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28330785/the-interplay-between-angiotensin-ii-tlr4-and-hypertension
#15
REVIEW
Vinicia Campana Biancardi, Gisele Facholi Bomfim, Wagner Luis Reis, Sarah Al-Gassimi, Kenia Pedrosa Nunes
Hypertension is a multifactorial disease. Although a number of different underlying mechanisms have been learned from the various experimental models of the disease, hypertension still poses challenges for treatment. Angiotensin II plays an unquestionable role in blood pressure regulation acting through central and peripheral mechanisms. During hypertension, dysregulation of the Renin-Angiotensin System is associated with increased expression of pro-inflammatory cytokines and reactive oxygen species causing kidney damage, endothelial dysfunction, and increase in sympathetic activity, among other damages, eventually leading to decline in organ function...
March 19, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28330599/impact-of-graft-preservation-solutions-for-liver-transplantation-on-early-cytokine-release-and-postoperative-organ-dysfunctions-a-pilot-study
#16
H Brisson, C Arbelot, A Monsel, C Parisot, M Girard, E Savier, C Vezinet, Q Lu, J-C Vaillant, J-L Golmard, G Gorochov, O Langeron, J-J Rouby
INTRODUCTION: During liver transplantation, graft ischemia-reperfusion injury leads to a systemic inflammatory response producing postoperative organ dysfunctions. The aim of this observational and prospective study was to compare the impact of Solution de conservation des organes et tissus (SCOT) 15 and University of Wisconsin (UW) preservation solutions on early cytokine release, postreperfusion syndrome and postoperative organ dysfunctions. METHODS: Thirty-seven liver transplantations were included: 21 in UW Group and 16 in SCOT 15 group...
March 15, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28329736/delay-in-renal-hemodynamic-response-to-a-meat-meal-in-severe-obesity
#17
Pietro Anastasio, Davide Viggiano, Miriam Zacchia, Claudia Altobelli, Giovambattista Capasso, Natale Gaspare De Santo
BACKGROUND/AIMS: Little information is available about the tubular functions and the renal adjustments that take place in obese subjects after a protein meal. How the excess fat may affect renal response to dietary proteins is currently only partially understood. This paper aims to address (i) whether severe obesity, in the absence of other comorbidities, is responsible of kidney dysfunction at either the glomerular or the tubular level and (ii) whether it compromises renal adaptations to a large protein meal...
March 23, 2017: Nephron
https://www.readbyqxmd.com/read/28329085/renal-sodium-avidity-in-heart-failure-from-pathophysiology-to-treatment-strategies
#18
Wilfried Mullens, Frederik Hendrik Verbrugge, Petra Nijst, Wai Hong Wilson Tang
Increased neurohumoral stimulation resulting in excessive sodium avidity and extracellular volume overload are hallmark features of decompensated heart failure. Especially in case of concomitant renal dysfunction, the kidneys often fail to elicit effective natriuresis. While assessment of renal function is generally performed by measuring serum creatinine-a surrogate for glomerular filtration-, this only represents part of the nephron's function. Alterations in tubular sodium handling are at least equally important in the development of volume overload and congestion...
February 23, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28327686/thyroid-hormone-profile-in-patients-with-chronic-kidney-disease-a-single-centre-study
#19
S Singh, A Verma, G Aryal, S Thapa, S Khakurel, K Shrestha
BACKGROUND: Chronic kidney disease (CKD) is a global burden and now recognized as a major public health problem worldwide. Patients with CKD have alteration in thyroid hormone metabolism. This study aims to evaluate the status of thyroid hormone profile in different stages of CKD. METHODS: The cross-sectional study included 103 CKD patients attending Nephrology and Dialysis unit of KIST Medical College Teaching Hospital, Lalitpur, Nepal. Serum creatinine, free triiodothyronine (fT3), free thyroxine (fT4), and thyroid stimulating hormone (TSH) were measured...
September 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28322835/role-of-mitochondrial-dysfunction-in-renal-fibrosis-promoted-by-hypochlorite-modified-albumin-in-a-remnant-kidney-model-and-protective-effects-of-antioxidant-peptide-ss-31
#20
Hao Zhao, Yan-Jun Liu, Zong-Rui Liu, Dong-Dong Tang, Xiao-Wen Chen, Yi-Hua Chen, Ru-Ning Zhou, Si-Qi Chen, Hong-Xin Niu
Oxidative stress aggravates renal fibrosis, a pathway involved in almost all forms of chronic kidney disease (CKD). However, the underlying mechanism involved in the pathogenesis of renal oxidative stress has not been completely elucidated. In this study, we explored the role and mechanism of hypochlorite-modified albumin (HOCl-alb) in mediating oxidative stress and fibrotic response in a remnant-kidney rat model. Five-sixths nephrectomy (5/6 NX) was performed on the rats and then the animals were randomly assigned to intravenous treatment with either vehicle alone, or HOCl-rat serum albumin (RSA) in the presence or absence of SS-31 (administered intraperitoneally)...
March 18, 2017: European Journal of Pharmacology
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