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https://www.readbyqxmd.com/read/28820061/renin-angiotensin-system-and-cytokines-in-chronic-kidney-disease-clinical-and-experimental-evidence
#1
Ariadna Andrade Saldanha Silva, Beranardo Bahia Finotti, Amanda Oliveira Lauar, Thiago Ruiz Rodrigues Prestes, Ana Cristina Simões E Silva
Chronic kidney disease (CKD) has become a major public health problem in Brazil and worldwide. There are many causes of CKD, being the congenital anomalies of the kidney and urinary tract and the glomerular diseases very common in pediatric patients, while diabetic nephropathy, CKD due to chronic arterial hypertension and glomerular diseases are predominant in adult patients. Many endogenous mediators have been related to the pathophysiology of CKD, being relevant the effects of the renin-angiotensin system (RAS) and the immune-inflammatory mediators including cytokines...
August 18, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28819637/cigarette-smoking-and-its-hazards-in-kidney-transplantation
#2
REVIEW
Muhammad Abdul Mabood Khalil, Jackson Tan, Said Khamis, Muhammad AshhadUllah Khalil, Rabeea Azmat, Arslan Rahat Ullah
Cigarette smoking affects many organs. It causes vasoconstriction through activation of sympathetic nervous system which leads to elevation of blood pressure and reduction in glomerular filtration rate and filtration pressure. It also causes thickening of renal arterioles. Cigarette smoking increases the risk of microalbuminuria and accelerates progression of microalbuminuria to macroalbuminuria. Furthermore, it causes rapid loss of glomerular filtration rate in chronic kidney disease patients. After kidney donation, these factors may be injurious to the solitary kidney...
2017: Advances in Medicine
https://www.readbyqxmd.com/read/28819567/systemic-associations-with-residual-subretinal-fluid-after-ranibizumab-in-diabetic-macular-edema
#3
Meng-Ju Tsai, Yi-Ting Hsieh, Elizabeth P Shen, Yi-Jie Peng
PURPOSE: To investigate the impact of systemic diseases on the occurrence of subretinal fluid (SRF) in diabetic macular edema (DME) and prognostic factors for residual SRF following three consecutive monthly intravitreal ranibizumab. METHODS: Ninety-seven eyes from 68 patients with DME who completed 3 consecutive monthly injections of ranibizumab were enrolled. Systemic parameters mainly included chronic kidney disease (CKD), hypertension, HbA1c, and insulin dependence...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28818163/evaluation-of-ckd-epi-pakistan-equation-for-estimated-glomerular-filtration-rate-egfr-acomparison-of-egfr-prediction-equations-in-pakistani-population
#4
Sibtain Ahmed, Lena Jafri, Aysha Habib Khan
OBJECTIVE: To evaluate the results of 24-hour urinary creatinine clearance (CrCl) with estimated glomerular filtration rate (eGFR) using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI), CKD-EPI Pakistan (CKD-EPI Pak), Cockcroft Gault (CG) and 4-variable Modification of Diet in Renal Disease (MDRD) equations. STUDY DESIGN: Descriptive, cross-sectional study. PLACE AND DURATION OF STUDY: Section of Clinical Chemistry, Department of Pathology and Laboratory Medicine, The Aga Khan University, Karachi, from June to October 2013...
July 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28815607/a-3d-tri-culture-system-reveals-that-activin-receptor-like-kinase-5-and-connective-tissue-growth-factor-drive-human-glomerulosclerosis
#5
John P Waters, Yvonne C Richards, Jeremy N Skepper, Mark Southwood, Paul D Upton, Nicholas W Morrell, Jordan S Pober, John R Bradley
Glomerular scarring, known as glomerulosclerosis, occurs in many chronic kidney diseases and involves interaction between glomerular endothelial cells (GEC), podocytes and mesangial cells (MCs), leading to signals that promote extracellular matrix deposition and endothelial cell dysfunction and loss. We describe a 3D tri-culture system to model human glomerulosclerosis. In 3D monoculture, each cell type alters its phenotype in response to TGFβ, which has been implicated as an important mediator of glomerulosclerosis...
August 16, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28815319/anemia-as-a-risk-factor-for-all-cause-mortality-obscure-synergic-effect-of-chronic-kidney-disease
#6
Yuji Sato, Shouichi Fujimoto, Tsuneo Konta, Kunitoshi Iseki, Toshiki Moriyama, Kunihiro Yamagata, Kazuhiko Tsuruya, Ichiei Narita, Masahide Kondo, Masato Kasahara, Yugo Shibagaki, Koichi Asahi, Tsuyoshi Watanabe
BACKGROUND: Anemia is common in chronic kidney disease (CKD) and may be associated with mortality in CKD patients. However, few studies have examined this relationship in Asian populations. METHODS: A total of 62,931 Japanese people (age 64.0 ± 8.0 years; men 38.5%) were followed up from 2008 to 2012. Participants were divided into six groups in accordance with their estimated glomerular filtration rate (eGFR) (<45, 45-59, ≥60 mL/min/1.73 m(2)) and by hemoglobin levels (13...
August 16, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28814945/glomerular-abundance-of-complement-proteins-characterized-by-proteomic-analysis-of-laser-captured-microdissected-glomeruli-associates-with-progressive-disease-in-iga-nephropathy
#7
Teodora Ioana Flavia Paunas, Kenneth Finne, Sabine Leh, Hans-Peter Marti, Tom Eirik Mollnes, Frode Berven, Bjørn Egil Vikse
BACKGROUND: The clinical course of IgA nephropathy (IgAN) is variable and complement activation may predict prognosis. The present study investigated whether glomerular abundance of complement proteins associates with progression to end-stage renal disease (ESRD) in patients for whom prognosis could not be predicted based on clinical variables. METHODS: Based on data from the Norwegian Kidney Biopsy Registry and the Norwegian Renal Registry, three groups were included: IgAN patients with (n = 9) or without (n = 16) progression to ESRD during 10 years, and controls (n = 15) with a normal kidney biopsy...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28814739/re-characterization-of-the-glomerulopathy-in-cd2ap-deficient-mice-by-high-resolution-helium-ion-scanning-microscopy
#8
Kenji Tsuji, Teodor G Păunescu, Hani Suleiman, Dongping Xie, Fahmy A Mamuya, Jeffrey H Miner, Hua A Jenny Lu
Helium ion scanning microscopy (HIM) is a novel technology that directly visualizes the cell surface ultrastructure without surface coating. Despite its very high resolution, it has not been applied extensively to study biological or pathology samples. Here we report the application of this powerful technology to examine the three-dimensional ultrastructural characteristics of proteinuric glomerulopathy in mice with CD2-associated protein (CD2AP) deficiency. HIM revealed the serial alteration of glomerular features including effacement and disorganization of the slit diaphragm, followed by foot process disappearance, flattening and fusion of major processes, and eventual transformation into a podocyte sheet as the disease progressed...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814668/injury-induced-actin-cytoskeleton-reorganization-in-podocytes-revealed-by-super-resolution-microscopy
#9
Hani Y Suleiman, Robyn Roth, Sanjay Jain, John E Heuser, Andrey S Shaw, Jeffrey H Miner
The architectural integrity of tissues requires complex interactions, both between cells and between cells and the extracellular matrix. Fundamental to cell and tissue homeostasis are the specific mechanical forces conveyed by the actomyosin cytoskeleton. Here we used super-resolution imaging methods to visualize the actin cytoskeleton in the kidney glomerulus, an organized collection of capillaries that filters the blood to make the primary urine. Our analysis of both mouse and human glomeruli reveals a network of myosin IIA-containing contractile actin cables within podocyte cell bodies and major processes at the outer aspects of the glomerular tuft...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814510/a-heterologous-model-of-thrombospondin-type-1-domain-containing-7a-associated-membranous-nephropathy
#10
Nicola M Tomas, Catherine Meyer-Schwesinger, Hanning von Spiegel, Ahmed M Kotb, Gunther Zahner, Elion Hoxha, Udo Helmchen, Nicole Endlich, Friedrich Koch-Nolte, Rolf A K Stahl
Thrombospondin type 1 domain-containing 7A (THSD7A) is a target for autoimmunity in patients with membranous nephropathy (MN). Circulating autoantibodies from patients with THSD7A-associated MN have been demonstrated to cause MN in mice. However, THSD7A-associated MN is a rare disease, preventing the use of patient antibodies for larger experimental procedures. Therefore, we generated antibodies against the human and mouse orthologs of THSD7A in rabbits by coimmunization with the respective cDNAs. Injection of these anti-THSD7A antibodies into mice induced a severe nephrotic syndrome with proteinuria, weight gain, and hyperlipidemia...
August 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28813476/paratubular-basement-membrane-insudative-lesions-predict-renal-prognosis-in-patients-with-type-2-diabetes-and-biopsy-proven-diabetic-nephropathy
#11
Koki Mise, Yutaka Yamaguchi, Junichi Hoshino, Toshiharu Ueno, Akinari Sekine, Keiichi Sumida, Masayuki Yamanouchi, Noriko Hayami, Tatsuya Suwabe, Rikako Hiramatsu, Eiko Hasegawa, Naoki Sawa, Takeshi Fujii, Shigeko Hara, Hitoshi Sugiyama, Hirofumi Makino, Jun Wada, Kenichi Ohashi, Kenmei Takaichi, Yoshifumi Ubara
AIMS: Glomerular insudative lesions are a pathological hallmark of diabetic nephropathy (DN). However, paratubular basement membrane insudative lesions (PTBMIL) have not attracted much attention, and the association between such lesions and the renal prognosis remains unclear. METHODS: Among 142 patients with biopsy-proven DN and type 2 diabetes encountered from 1998 to 2011, 136 patients were enrolled in this study. Patients were classified into 3 groups (Group 1: mild, Group 2: moderate, Group 3: severe) according to the extent of cortical and medullary PTBMIL...
2017: PloS One
https://www.readbyqxmd.com/read/28811852/the-cluster-of-abnormalities-related-to-metabolic-syndrome-is-associated-with-reduced-glomerular-filtration-rate-and-raised-albuminuria-in-patients-with-type-2-diabetes-mellitus
#12
Miki Kurata, Akiko Takenouchi, Ayaka Tsuboi, Satomi Minato, Mika Takeuchi, Kaori Kitaoka, Keisuke Fukuo, Tsutomu Kazumi
BACKGROUND: As association of metabolic syndrome (MS) with chronic kidney disease (CKD) has not been extensively studied in patients with type 2 diabetes, we addressed these issues. METHODS: Intrapersonal means of 12 measurements of waist circumference, blood pressure and high-density lipoprotein (HDL) cholesterol and those of six measurements of fasting triglycerides during 12 months were calculated in a cohort of 168 previously reported Japanese patients with type 2 diabetes...
September 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28811048/receipt-of-nephrology-care-and-clinical-outcomes-among-veterans-with-advanced-ckd
#13
Enrica Fung, Tara I Chang, Glenn M Chertow, I-Chun Thomas, Steven M Asch, Manjula Kurella Tamura
BACKGROUND: Clinical practice guidelines recommend referral to nephrology when estimated glomerular filtration rate (eGFR) decreases to <30mL/min/1.73m(2); however, evidence for benefits of nephrology care are mixed. STUDY DESIGN: Observational cohort using landmark analysis. SETTINGS & PARTICIPANTS: A national cohort of veterans with advanced chronic kidney disease, defined as an outpatient eGFR≤30mL/min/1.73m(2) for January 1, 2010, through December 31, 2010, and a prior eGFR<60mL/min/1...
August 12, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28810723/graft-survival-of-pediatric-kidney-transplant-recipients-selected-for-de-novo-steroid-avoidance-a-propensity-score-matched-study
#14
Edward J Nehus, Chunyan Liu, Bo Lu, Maurizio Macaluso, Mi-Ok Kim
Background: Steroid-avoidance protocols have gained popularity in pediatric kidney transplant recipients at low immunologic risk. The long-term safety of steroid avoidance in children with immunologic risk factors remains unknown. Methods: Pediatric kidney transplant recipients from 2004 to 2014 in the Organ Procurement and Transplantation Network database who received tacrolimus and mycophenolate immunosuppression were investigated. Propensity score matching was used to compare graft survival in 1624 children who received steroid avoidance with 1624 children who received steroid-based immunosuppression...
August 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28810595/sudoscan-an-effective-tool-for-screening-chronic-kidney-disease-in-patients-with-type-2-diabetes
#15
Fei Mao, Siying Liu, Xiaona Qiao, Hangping Zheng, Qian Xiong, Jie Wen, Shuo Zhang, Zhaoyun Zhang, Hongying Ye, Hongli Shi, Bin Lu, Yiming Li
SUDOSCAN is a non-invasive method of measuring peripheral small fiber and autonomic nerve activity by detection of abnormal sweat gland function through electrochemical skin conductance. It has been reported to be an effective screening tool in early detection of microvascular type 2 diabetes mellitus (T2DM) complications including diabetic neuropathy and nephropathy in recent studies. However, previous studies used estimated glomerular filtration rate (eGFR) as the golden standard, which has a 90% chance of being within 30% of the measured GFR at best...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810583/kidney-dysfunction-following-adrenalectomy-in-autosomal-dominant-polycystic-kidney-disease-complicated-with-primary-aldosteronism-a-case-report
#16
Hiroyuki Hirai, Makoto Kanno, Tsuyoshi Watanabe, Hiroaki Satoh
The present study reported a case of autosomal dominant polycystic kidney disease complicated with primary aldosteronism in a 49-year-old woman. The patient was referred for refractory hypertension. Laboratory examinations revealed low potassium and renin levels. Computed tomography indicated a right adrenal tumor and multiple renal cysts. Adrenal vein sampling revealed a high aldosterone level on the side of the tumor. The patient was diagnosed with autosomal dominant polycystic kidney disease complicated by primary aldosteronism and adrenalectomy was performed...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809591/reducing-inappropriate-non-steroidal-anti-inflammatory-prescription-in-primary-care-patients-with-chronic-kidney-disease
#17
David M Keohane, Thomas Dennehy, Kenneth P Keohane, Eamonn Shanahan
Purpose The purpose of this paper is to reduce inappropriate non-steroidal anti-inflammatory prescribing in primary care patients with chronic kidney disease (CKD). Once diagnosed, CKD management involves delaying progression to end stage renal failure and preventing complications. It is well established that non-steroidal anti-inflammatories have a negative effect on kidney function and consequently, all nephrology consensus groups suggest avoiding this drug class in CKD. Design/methodology/approach The sampling criteria included all practice patients with a known CKD risk factor...
August 14, 2017: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/28807791/effects-of-bosutinib-treatment-on-renal-function-in-patients-with-philadelphia-chromosome-positive-leukemias
#18
Jorge E Cortes, Carlo Gambacorti-Passerini, Dong-Wook Kim, Hagop M Kantarjian, Jeff H Lipton, Amit Lahoti, Moshe Talpaz, Ewa Matczak, Elly Barry, Eric Leip, Tim H Brümmendorf, H Jean Khoury
BACKGROUND: The purpose of the study was to assess renal function in patients with Philadelphia chromosome-positive leukemias receiving bosutinib or imatinib. PATIENTS AND METHODS: Patients received first-line bosutinib (n = 248) or imatinib (n = 251; phase III trial), or second-line or later bosutinib (phase I/II trial; n = 570). Adverse events (AEs) and changes from baseline in estimated glomerular filtration rate (eGFR) and serum creatinine were assessed. RESULTS: Time from the last patient's first dose to data cutoff was ≥ 48 months...
June 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28807596/the-role-of-angiotensin-ii-in-parietal-epithelial-cell-proliferation-and-crescent-formation-in-glomerular-diseases
#19
Paola Rizzo, Rubina Novelli, Cinzia Rota, Elena Gagliardini, Barbara Ruggiero, Daniela Rottoli, Ariela Benigni, Giuseppe Remuzzi
Crescentic glomerulonephritis (GN) is a devastating disease with rapidly progressive deterioration in kidney function, which, histologically, manifests as crescent formation in most glomeruli. We previously found that crescents derive from the aberrant proliferation and migration of parietal epithelial cells (PECs)/progenitor cells, and that the angiotensin (ang) II/ang II type-1 (AT1) receptor pathway may participate, together with the stromal cell-derived factor-1 (SDF-1)/CXCR4 axis, in the development of those lesions...
August 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28806778/serum-resistin-as-an-independent-marker-of-aortic-stiffness-in-patients-with-coronary-artery-disease
#20
Ji-Hung Wang, Chung-Jen Lee, Chiu-Fen Yang, Yu-Chih Chen, Bang-Gee Hsu
BACKGROUND: Subjects with higher carotid-femoral pulse wave velocity (cfPWV) will be at an increased risk for cardiovascular (CV) events in future. Resistin is an inflammatory mediator and a biomarker of CV diseases. We evaluated the association between serum resistin and aortic stiffness in patients with coronary artery disease (CAD). METHODS: A total of 104 patients with CAD were enrolled in this study. cfPWV was measured using the SphygmoCor system. Patients with cfPWV >10 m/s were defined as the high aortic stiffness group...
2017: PloS One
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