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https://www.readbyqxmd.com/read/28638599/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#1
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease and also for chronic kidney disease (CKD). A high body mass index is one of the strongest risk factors for new-onset CKD. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing CKD in the long term...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28615647/differential-synchrotron-x-ray-imaging-markers-based-on-the-renal-microvasculature-for-tubulointerstitial-lesions-and-glomerulopathy
#2
Yu-Chuan Lin, Yeukuang Hwu, Guo-Shu Huang, Michael Hsiao, Tsung-Tse Lee, Shun-Min Yang, Ting-Kuo Lee, Nan-Yow Chen, Sung-Sen Yang, Ann Chen, Shuk-Man Ka
High resolution synchrotron microtomography capable of revealing microvessels in three dimensional (3D) establishes distinct imaging markers of mouse kidney disease strongly associated to renal tubulointerstitial (TI) lesions and glomerulopathy. Two complementary mouse models of chronic kidney disease (CKD), unilateral ureteral obstruction (UUO) and focal segmental glomerulosclerosis (FSGS), were used and five candidates of unique 3D imaging markers were identified. Our characterization to differentially reflect the altered microvasculature of renal TI lesions and/or glomerulopathy demonstrated these image features can be used to differentiate the disease status and the possible cause therefore qualified as image markers...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614766/simple-obesity-and-renal-function
#3
D Sikorska, M Grzymislawska, M Roszak, P Gulbicka, K Korybalska, J Witowski
Increasing evidence accumulate to suggest that obesity increases the risk of chronic kidney disease independently of dyslipidemia, diabetes, and hypertension. This so-called obesity-related glomerulopathy is characterized at early stages by glomerular hypertrophy with or without secondary focal segmental glomerulosclerosis. Since, however, kidney biopsies are usually not performed at this phase, an early diagnosis of the disease is often difficult. Here, we review new developments in the pathophysiology of obesity-associated kidney dysfunction and discuss the potential of appropriate monitoring of glomerular filtration rate and albuminuria for early detection of the disease...
April 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28612263/tight-metabolic-control-plus-ace-inhibitor-therapy-improves-gsd-i-nephropathy
#4
Gyongyi O Okechuku, Lawrence R Shoemaker, Monika Dambska, Laurie M Brown, Justin Mathew, David A Weinstein
The onset of microalbuminuria (MA) heralds the onset of glomerulopathy in patients with glycogen storage disease (GSD) type I. Unlike tubulopathy, which responds to improved metabolic control, glomerulopathy in GSD I is considered refractory to medical intervention, and it is thought to inexorably progress to overt proteinuria and renal failure. Recent reports of reduced microalbuminuria following strict adherence to therapy counter this view. In contrast to type Ia, little is known regarding the prevalence of kidney disease in GSD Ib, 0, III, VI, and IX...
June 13, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28593446/c3-glomerulonephritis-with-a-severe-crescentic-phenotype
#5
Aishwarya Ravindran, Fernando C Fervenza, Richard J H Smith, Sanjeev Sethi
BACKGROUND: C3 glomerulopathy (C3G) is rare type of glomerulonephritis resulting from the glomerular deposition of C3 due to dysregulation of the alternative pathway of complement. It is further subdivided into C3 glomerulonephritis (C3GN) and dense deposit disease (DDD), depending on the ultrastructural features. C3GN usually presents with a membranoproliferative pattern of injury. Crescents may or may not be present. However, we have noted a severe necrotizing and crescentic glomerulonephritis in a small subset of C3GN patients...
June 7, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28577739/mitochondrial-cytopathies-and-the-kidney
#6
REVIEW
Francesco Emma, Leonardo Salviati
Mitochondrial cytopathies include a heterogeneous group of diseases that are characterized by impaired oxidative phosphorylation. Current evidence suggests that renal involvement is probably more frequent than originally suspected but remains subclinical in a significant number of patients or is underestimated due to the severity of other clinical manifestations. Until recently, these diseases were thought to develop primarily in pediatric patients but patients that become symptomatic only in adulthood are now well recognized...
April 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28566477/long-term-outcome-of-steroid-resistant-nephrotic-syndrome-in-children
#7
Agnes Trautmann, Sven Schnaidt, Beata S Lipska-Ziętkiewicz, Monica Bodria, Fatih Ozaltin, Francesco Emma, Ali Anarat, Anette Melk, Marta Azocar, Jun Oh, Bassam Saeed, Alaleh Gheisari, Salim Caliskan, Jutta Gellermann, Lina Maria Serna Higuita, Augustina Jankauskiene, Dorota Drozdz, Sevgi Mir, Ayse Balat, Maria Szczepanska, Dusan Paripovic, Alexandra Zurowska, Radovan Bogdanovic, Alev Yilmaz, Bruno Ranchin, Esra Baskin, Ozlem Erdogan, Giuseppe Remuzzi, Agnieszka Firszt-Adamczyk, Elzbieta Kuzma-Mroczkowska, Mieczyslaw Litwin, Luisa Murer, Marcin Tkaczyk, Helena Jardim, Anna Wasilewska, Nikoleta Printza, Kibriya Fidan, Eva Simkova, Halina Borzecka, Hagen Staude, Katharina Hees, Franz Schaefer
We investigated the value of genetic, histopathologic, and early treatment response information in prognosing long-term renal outcome in children with primary steroid-resistant nephrotic syndrome. From the PodoNet Registry, we obtained longitudinal clinical information for 1354 patients (disease onset at >3 months and <20 years of age): 612 had documented responsiveness to intensified immunosuppression (IIS), 1155 had kidney biopsy results, and 212 had an established genetic diagnosis. We assessed risk factors for ESRD using multivariate Cox regression models...
May 31, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28554737/podocyte-specific-jak2-overexpression-worsens-diabetic-kidney-disease-in-mice
#8
Hongyu Zhang, Viji Nair, Jharna Saha, Kevin B Atkins, Jeffrey B Hodgin, Thomas L Saunders, Martin G Myers, Thomas Werner, Matthias Kretzler, Frank C Brosius
Activation of JAK-STAT signaling has been implicated in the pathogenesis of diabetic kidney disease. An increased expression of JAK-STAT genes was found in kidney glomerular cells, including podocytes, in patients with early diabetic kidney disease. However, it is not known whether increased expression of JAK or STAT isoforms in glomerular cells can lead to worsening nephropathy in the setting of diabetes. Therefore, we overexpressed JAK2 mRNA specifically in glomerular podocytes of 129S6 mice to determine whether this change alone could worsen diabetic kidney disease...
May 26, 2017: Kidney International
https://www.readbyqxmd.com/read/28548184/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#9
Csaba P Kovesdy, Susan Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease and also for Chronic kidney disease. A high body mass index is one of the strongest risk factors for new-onset Chronic kidney disease. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing Chronic kidney disease in the long-term...
March 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28540902/primary-focal-segmental-glomerulosclerosis-recurring-rapidly-as-collapsing-glomerulopathy-in-a-renal-allograft-recipient
#10
Vinita Agrawal, Narayan Prasad, Pritpal Singh
Recurrent focal segmental glomerulosclerosis (FSGS) develops in about 30%-40% of patients of FSGS undergoing renal transplantation. We report a patient who received a live- related renal transplant for end-stage renal disease due to a primary FSGS (not otherwise specified) in the native kidney and presented with graft dysfunction in the immediate posttransplant period. The first and the second biopsy showed no evidence of rejection or glomerular lesion. A repeat biopsy done on the 30th day revealed recurrent FSGS morphologically presenting as collapsing variant...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28540059/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#11
EDITORIAL
Csaba P Kovesdy, Susan L Furth, Carmine Zoccali
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease, and also for chronic kidney disease (CKD). A high body mass index is one of the strongest risk factors for new-onset CKD. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing CKD in the long term...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28457424/what-can-we-do-when-all-collapses-fatal-outcome-of-collapsing-glomerulopathy-and-systemic-lupus-erythematosus-with-diffuse-alveolar-hemorrhage-case-report
#12
H Pinto, R Leal, L Rodrigues, L Santos, C Romãozinho, F Macário, R Alves, J Pratas, V Sousa, C Marinho, L Prado E Castro, F Costa, M Campos, A Mota, A Figueiredo
INTRODUCTION: Collapsing glomerulopathy (CG) is a rare form of glomerular injury. Although commonly associated with human immunodeficiency virus (HIV) infection, it can occur in association with systemic lupus erythematosus (SLE). CASE REPORT: We present the case of a 50-year-old man, with chronic kidney disease secondary to focal and segmental glomerulosclerosis, who received a cadaveric kidney transplant in 2007. There were no relevant intercurrences until May 2015, when he presented with nephrotic range proteinuria (± 4 g/d)...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28457396/nephrotic-range-proteinuria-in-renal-transplantation-clinical-and-histologic-correlates-in-a-10-year-retrospective-study
#13
R Leal, H Pinto, A Galvão, L Santos, C Romãozinho, F Macário, R Alves, J Pratas, V Sousa, C Marinho, L Prado E Castro, M Campos, A Mota, A Figueiredo
INTRODUCTION: There is a high incidence of nephrotic proteinuria in renal transplant recipients, which is an accurate predictor of graft loss. Despite this, its histologic correlates and prognostic implications are still not well characterized. We assessed the clinical and histological correlates of kidney transplantation patients with nephrotic range proteinuria. METHODS: We have retrospectively analyzed clinical and histological data from 50 kidney transplantation biopsy specimens from 44 renal transplant recipients with nephrotic range proteinuria between 2006 and 2015...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28442280/kidney-disease-in-patients-with-obesity-it-is-not-always-obesity-related-glomerulopathy-alone
#14
Steven P Salvatore, James M Chevalier, Sheng F Kuo, Pat F Audia, Surya V Seshan
OBJECTIVE: Patients with obesity are at risk for chronic kidney disease. The aim is to characterize the spectrum of kidney disease in these patients, which may be related to obesity, termed obesity-related glomerulopathy (ORG), or may have other diseases secondary to associated or unassociated medical conditions. METHODS: Native kidney biopsies from 2000 to 2012 were retrospectively reviewed from all patients with body mass index >30kg/m(2). Glomerular diameter was measured using a standard micrometer and clinicopathologic characteristics were analyzed...
April 22, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28439601/collapsing-glomerulopathy-the-saudi-arabian-scenario-a-study-of-31-cases-and-a-review-of-literature
#15
Sufia Husain
To compare the clinico-pathological features of collapsing glomerulopathy (CG) at a tertiary hospital in Saudi Arabia with the world literature. Methods: In a retrospective study, all biopsy-diagnosed cases of CG between 2004-2015 were identified and analyzed, at King Khalid University Hospital, King Saud University, Riyadh. The clinico-pathological findings along with prognosis were reviewed and compared with the reported literature.  Results: Thirty-one CG patients were identified, most were adult males...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28423118/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#16
EDITORIAL
C P Kovesdy, S L Furth, C Zoccali
Obesity has become a worldwide epidemic and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease and also for chronic kidney disease (CKD). A high body mass index is one of the strongest risk factors for new-onset CKD. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing CKD in the long-term...
April 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28405891/renalase-in-children-with-glomerular-kidney-diseases
#17
Piotr Skrzypczyk, Joanna Przychodzień, Małgorzata Mizerska-Wasiak, Elżbieta Kuźma-Mroczkowska, Magdalena Okarska-Napierała, Elżbieta Górska, Anna Stelmaszczyk-Emmel, Urszula Demkow, Małgorzata Pańczyk-Tomaszewska
Studies suggest that renalase, a renal catecholamine-inactivating enzyme, plays a major role in the pathogenesis of kidney and cardiovascular diseases in adults. This study seeks to determine the role of renalase in children with glomerular kidney diseases. We evaluated the serum renalase, arterial stiffness, intima-media thickness, blood pressure, and clinical and biochemical parameters in 78 children (11.9 ± 4.6 years of age) with glomerulopathies such as idiopathic nephrotic syndrome (40 cases), IgA nephropathy (12 cases), Henoch-Schönlein nephropathy (12 cases), and other glomerulopathies (14 cases)...
April 13, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28404589/autophagy-is-activated-to-protect-against-podocyte-injury-in-adriamycin-induced-nephropathy
#18
Mixuan Yi, Lei Zhang, Yu Liu, Man J Livingston, Jian-Kang Chen, N Stanley Nahman, Fuyou Liu, Zheng Dong
Podocytes are highly differentiated epithelial cells wrapping glomerular capillary to form the filtration barrier in kidneys. As such, podocyte injury or dysfunction is a critical pathogenic event in glomerular disease. Autophagy plays an important role in the maintenance of the homeostasis and function of podocytes. However, it is less clear whether and how autophagy contributes to podocyte injury in glomerular disease. Here, we have examined the role of autophagy in adriamycin-induced nephropathy, a classical model of glomerular disease...
April 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28361575/obesity-and-kidney-disease-hidden-consequences-of-the-epidemic
#19
REVIEW
C P Kovesdy, S Furth, C Zoccali, World Kidney Day Steering Committee
Obesity has become a worldwide epidemic, and its prevalence has been projected to grow by 40% in the next decade. This increasing prevalence has implications for the risk of diabetes, cardiovascular disease, and also for chronic kidney disease (CKD). A high body mass index is one of the strongest risk factors for new-onset CKD. In individuals affected by obesity, a compensatory hyperfiltration occurs to meet the heightened metabolic demands of the increased body weight. The increase in intraglomerular pressure can damage the kidneys and raise the risk of developing CKD in the long-term...
March 1, 2017: Physiology International
https://www.readbyqxmd.com/read/28357053/c3-glomerulopathy
#20
REVIEW
H Terence Cook
C3 glomerulopathy is a recently defined entity that encompasses a group of kidney diseases caused by abnormal control of complement activation with deposition of complement component C3 in glomeruli leading to variable glomerular inflammation. Before the recognition of the unique pathogenesis of these cases, they were variably classified according to their morphological features. C3 glomerulopathy accounts for roughly 1% of all renal biopsies. Clear definition of this entity has allowed a better understanding of its pathogenesis and clinical course and is likely to lead to the design of rational therapies over the next few years...
2017: F1000Research
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