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glomerular proteinuria

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https://www.readbyqxmd.com/read/28938511/-obesity-and-kidney-disease-renal-consequences-of-an-epidemic
#1
Helmut Schiffl, Susanne Maria Lang
Overweight and obesity are widespread in the German population, affecting not only adults but also a significant number of children and adolescents. The risk to develop chronic kidney disease is markedly increased in overweight or adipose children, adolescents and adults.Overweight and obesity induced risk factors have a direct impact on the development of chronic renal disease (obesity-associated focal segmental glomerulosclerosis). They accelerate the progression of coexistent nephropathies (diabetic or hypertensive nephropathy, primary glomerulonephritides) and are independent risk factors for the development of acute kidney injury in critically ill patients...
September 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28937061/long-term-evaluation-of-kidney-function-in-live-related-kidney-donors
#2
Kalpana S Mehta, Rudramani Swami, Atim Pajai, Sandip Bhurke, Abhishek Shirkande, Sunil Jawle
The consequences of live kidney donation on the donor health with main emphasis on postdonation blood pressure (BP), proteinuria, kidney size, and glomerular filtration rate (GFR) were evaluated. Twenty-five donors with minimum of six months postdonation duration were included in the study. Donor age at nephrectomy, duration postnephrectomy, systolic and diastolic BP measurement pre-and post-donation, postdonation, blood urea nitrogen, serum creatinine and 24-h proteinuria, blood sugar, two-dimensional echocardiogram were recorded...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28935926/ultrasensitive-quantitation-of-anti-phospholipase-a2-receptor-antibody-as-a-diagnostic-and-prognostic-indicator-of-idiopathic-membranous-nephropathy
#3
Qiuhua Zhang, Biao Huang, Xiaobin Liu, Bin Liu, Yi Zhang, Zhijian Zhang, Jia Hua, Yun Fan, Ling Hu, Meijuan Meng, Mian Wu, Liang Wang, Zhigang Hu, Zhuxing Sun
Anti-phospholipase A2 receptor antibody (PLA2R-Ab) is useful for affirming the diagnosis of idiopathic membranous nephropathy (IMN). Time-resolved fluoroimmunoassay (TRFIA) is highly sensitive and quantitative for measuring serum PLA2R-Ab immunoglobulin (IgG). We measured PLA2R-Ab levels with TRFIA in sera from 172 patients with IMN (n = 69), secondary MN (n = 9), and those with other glomerulonephritis (n = 94) at the time of renal biopsy compared to healthy controls (n = 286). Serum anti-PLA2R-IgG levels in healthy volunteers ranged from 0...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935820/lack-of-serum-and-glucocorticoid-inducible-kinase-3-leads-to-podocyte-dysfunction
#4
Li-Qin Peng, Hong Zhao, Song Liu, Ya-Pei Yuan, Cheng-Yan Yuan, Mercy-Julian Mwamunyi, David Pearce, Li-Jun Yao
Serum- and glucocorticoid-inducible kinase 3 (SGK3) is a downstream mediator of PI3K, which is essential for maintaining the functional integrity of podocytes. However, little is known about the role of SGK3 in podocyte function. Herein, we demonstrated that SGK3 contributes to the maintenance of podocyte integrity. Conditionally immortalized mouse podocyte cells (MPCs) were treated with puromycin aminonucleoside (PAN). PAN treatment inhibited the activity of SGK3 and the expression of podocin. Short hairpin RNA (shRNA)-mediated knockdown of SGK3 also reduced podocin expression in the absence of PAN...
September 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28935578/abin1-determines-severity-of-glomerulonephritis-via-activation-of-intrinsic-glomerular-inflammation
#5
Erik A Korte, Dawn J Caster, Michelle T Barati, Min Tan, Shirong Zheng, Celine C Berthier, Frank C Brosius, Mark B Vieyra, Ryan M Sheehan, Michele Kosiewicz, Marcin Wysoczynski, Patrick M Gaffney, David J Salant, Kenneth R McLeish, David W Powell
Transcription factor NF-κB regulates expression of numerous genes that control inflammation and is activated in glomerular cells in glomerulonephritis (GN). We previously identified genetic variants for a NF-κB regulatory, ubiquitin binding protein ABIN1 as risk factors for GN in systemic autoimmunity. The goal here was to define glomerular inflammatory events controlled by ABIN1 function in GN. Nephrotoxic serum nephritis was induced in wild-type (WT) and ubiquitin binding deficient ABIN1[D485N] mice; and renal pathophysiology and glomerular inflammatory phenotypes were assessed...
September 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28933341/c4d-expressing-glomerulopathy-and-proteinuria-post-transplantation-of-a-%C3%A2-too-big-for-size-mismatched-kidney-allograft-an-unusual-case-with-good-outcome%C3%A2
#6
Francois Gougeon, Alexei V Mikhailov, Keisha Gibson, Tomasz Kozlowski, Harsharan K Singh, Volker Nickeleit
A 5-year-old severely growth-retarded child with tubulointerstitial, oliguric end-stage renal disease received an adult-size kidney transplant. Three years post grafting under standard triple immunosuppression (mycophenolate mofetil, tacrolimus, and prednisone) de novo nephrotic range proteinuria without the nephrotic syndrome developed. Graft function was normal (serum creatinine: 0.2 - 0.3 mg/dL), there were no donor-specific HLA antibodies (DSA), and the urine sediment was inactive. Two biopsies collected 3 and 4 years post-transplantation showed severe glomerular capillary wall remodeling and associated pseudolinear C4d staining as morphologic correlates for the proteinuria...
September 21, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28927644/acute-kidney-injury-is-a-risk-factor-for-subsequent-proteinuria
#7
Sharidan K Parr, Michael E Matheny, Khaled Abdel-Kader, Robert A Greevy, Aihua Bian, James Fly, Guanhua Chen, Theodore Speroff, Adriana M Hung, T Alp Ikizler, Edward D Siew
Acute kidney injury (AKI) is associated with subsequent chronic kidney disease (CKD), but the mechanism is unclear. To clarify this, we examined the association of AKI and new-onset or worsening proteinuria during the 12 months following hospitalization in a national retrospective cohort of United States Veterans hospitalized between 2004-2012. Patients with and without AKI were matched using baseline demographics, comorbidities, proteinuria, estimated glomerular filtration rate, blood pressure, angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker (ACEI/ARB) use, and inpatient exposures linked to AKI...
September 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28927237/augmented-association-between-blood-pressure-and-proteinuria-in-hyperuricemic-patients-with-non-nephrotic-chronic-kidney-disease
#8
K Kohagura, M Kochi, T Miyagi, R Zamami, K Nagahama, K Yonemoto, Y Ohya
Background: Hyperuricemia (HU) may enhance susceptibility to hypertensive renal damage via disrupted autoregulation of glomerular hemodynamics. The effect of HU on the association between blood pressure (BP) and proteinuria remains unknown in patients with chronic kidney disease (CKD). Methods: In total, 109 patients with non-nephrotic CKD (55 men and 54 females) who underwent renal biopsy were recruited. Arteriolar hyalinosis was semiquantitatively assessed via arteriole grading...
September 13, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28923913/variations-in-microrna-25-expression-influence-the-severity-of-diabetic-kidney-disease
#9
Yunshuang Liu, Hongzhi Li, Jieting Liu, Pengfei Han, Xuefeng Li, He Bai, Chunlei Zhang, Xuelian Sun, Yanjie Teng, Yufei Zhang, Xiaohuan Yuan, Yanhui Chu, Binghai Zhao
Diabetic nephropathy is characterized by persistent albuminuria, progressive decline in GFR, and secondary hypertension. MicroRNAs are dysregulated in diabetic nephropathy, but identification of the specific microRNAs involved remains incomplete. Here, we show that the peripheral blood from patients with diabetes and the kidneys of animals with type 1 or 2 diabetes have low levels of microRNA-25 (miR-25) compared with those of their nondiabetic counterparts. Furthermore, treatment with high glucose decreased the expression of miR-25 in cultured kidney cells...
September 18, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28923620/late-conversion-to-belatacept-after-kidney-transplantation-outcome-and-prognostic-factors
#10
M Dürr, N Lachmann, B Zukunft, D Schmidt, K Budde, S Brakemeier
BACKGROUND: Conversion to belatacept at a later point after kidney transplantation (KT) as a rescue therapy has been shown to be beneficiary in an increasing number of patients, but prognostic factors for a favorable outcome have never been investigated. METHODS: The present study analyzed all KT patients after late conversion to belatacept in a single center regarding graft survival and changes in estimated glomerular filtration rate (eGFR), proteinuria, and mean fluorescence intensity (MFI) of donor-specific antibodies (DSA)...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28923616/histopathologic-findings-of-potential-kidney-donors-with-asymptomatic-microscopic-hematuria-impact-on-donation
#11
E A Hassan, T Z Ali, A Abdulbaki, I A Ibrahim, H M Almanae, H A Aleid
INTRODUCTION: Isolated microscopic hematuria (IMH) is not uncommon in potential kidney donors. AIM: The aim was to study the kidney biopsy findings of potential kidney donors with IMH and the impact of the histopathologic diagnoses on the decision to accept or decline such donors from kidney donation. METHODS: In this retrospective study, all the potential kidney donors with IMH were identified from the medical records of patients who underwent kidney biopsies between January 2010 and December 2016...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28916834/ultrastructural-characterization-of-the-glomerulopathy-in-alport-mice-by-helium-ion-scanning-microscopy-him
#12
Kenji Tsuji, Hani Suleiman, Jeffrey H Miner, James M Daley, Diane E Capen, Teodor G Păunescu, Hua A Jenny Lu
The glomerulus exercises its filtration barrier function by establishing a complex filtration apparatus consisting of podocyte foot processes, glomerular basement membrane and endothelial cells. Disruption of any component of the glomerular filtration barrier leads to glomerular dysfunction, frequently manifested as proteinuria. Ultrastructural studies of the glomerulus by transmission electron microscopy (TEM) and conventional scanning electron microscopy (SEM) have been routinely used to identify and classify various glomerular diseases...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912839/addition-of-nonalbumin-proteinuria-to-albuminuria-improves-prediction-of-type-2-diabetic-nephropathy-progression
#13
Jong Ho Kim, Seo Young Oh, Eun Heui Kim, Min Jin Lee, Yun Kyung Jeon, Bo Hyun Kim, Jin Mi Kim, Yong Ki Kim, Sang Soo Kim, In Joo Kim
BACKGROUND: Albuminuria is generally accepted as a sensitive marker of diabetic nephropathy but has limitations in predicting its progression. The aim of this study was to evaluate the use of nonalbumin proteinuria in addition to albuminuria for predicting the progression of type 2 diabetic nephropathy. METHODS: In this retrospective observational study, the urine albumin-to-creatinine ratio (ACR) and the nonalbumin protein-to-creatinine ratio (NAPCR) were measured in 325 patients with type 2 diabetes and estimated glomerular filtration rates (eGFR) ≥30 mL/min/1...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28898114/diagnostic-challenges-of-kidney-diseases-in-hiv-infected-patients
#14
Robin Chazot, Elisabeth Botelho-Nevers, Anne Frésard, Nicolas Maillard, Christophe Mariat, Frédéric Lucht, Amandine Gagneux-Brunon
Chronic kidney disease (CKD) is a prevalent comorbidity in persons living with HIV infection (PLWH) associated with an increase in cardiovascular morbidity and all-cause mortality. Furthermore, early diagnosis of CKD is difficult in PLWH. Areas covered: We reviewed the main diagnostic tools for CKD in PLWH, and discussed their strengths and limits. We performed a literature search on Pubmed to identify reviews and clinical trials dealing with attractive kidney biomarkers of CKD in PLWH, with the following key words: "HIV AND kidney", "HIV AND Kidney biomarkers", "CKD AND Kidney biomarkers"...
September 12, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28894114/cinaciguat-ameliorates-glomerular-damage-by-reducing-erk1-2-activity-and-tgf-%C3%A3-expression-in-type-1-diabetic-rats
#15
Szabina Czirok, Lilla Fang, Tamás Radovits, Gábor Szabó, Gábor Szénási, László Rosivall, Béla Merkely, Gábor Kökény
Decreased soluble guanylate cyclase activity and cGMP levels in diabetic kidneys were shown to influence the progression of nephropathy. The regulatory effects of soluble guanylate cyclase activators on renal signaling pathways are still unknown, we therefore investigated the renal molecular effects of the soluble guanylate cyclase activator cinaciguat in type-1 diabetic (T1DM) rats. Male adult Sprague-Dawley rats were divided into 2 groups after induction of T1DM with 60 mg/kg streptozotocin: DM, untreated (DM, n = 8) and 2) DM + cinaciguat (10 mg/kg per os daily, DM-Cin, n = 8)...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28893765/requirement-for-cystatin-c-testing-in-chronic-kidney-disease-a-retrospective-population-based-study
#16
Daniel S Lasserson, Brian Shine, Christopher A O'Callaghan, Tim James
BACKGROUND: Creatinine-based estimated glomerular filtration rate (eGFR) determines chronic kidney disease (CKD) stage, but underestimates renal function. The 2014 updated guidance from the National Institute for Health and Care Excellence (NICE) recommends that GPs reduce overdiagnosis of CKD stage 3a (eGFR 45-60 ml/min/1.73 m(2)) by using the renal biomarker cystatin C. AIM: To determine the population requirement for cystatin C testing, compared with current national availability of the assay...
September 11, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28885079/a-review-of-renal-disease-in-children-with-hiv-infection
#17
Ankur Kumar Jindal, Karalanglin Tiewsoh, Rakesh Kumar Pilania
Human immunodeficiency virus (HIV) infection continues to be a leading cause of morbidity and mortality. HIV-infected individuals are now surviving for a relatively longer period and this is because of easy accessibility to antiretroviral therapy these days. As a result, chronic disease-related complications are now being recognized more often. Kidney disease in HIV-infected children can vary from glomerular to tubular-interstitial involvement. We searched the database to identify various kidney diseases seen in HIV-infected children...
September 8, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28883245/the-sequential-development-of-antiglomerular-basement-membrane-nephritis-and-myeloperoxidase-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#18
Naro Ohashi, Akio Namikawa, Masafumi Ono, Takamasa Iwakura, Shinsuke Isobe, Takayuki Tsuji, Akihiko Kato, Hideo Yasuda
A 55-year-old woman presented with deafness, increased levels of myeloperoxidase (MPO)-antineutrophil cytoplasmic antibody (ANCA), and renal insufficiency with proteinuria and hematuria. Renal biopsy revealed crescentic glomerulonephritis with the linear deposition of immunoglobulin G along the glomerular basement membrane (GBM) and peritubular capillaritis. The anti-GBM antibody levels on admission and 10 days after admission were 11.7 U/mL and 127 U/mL, respectively. These results indicated the sequential development of anti-GBM nephritis and MPO-ANCA-associated vasculitis...
September 6, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28880939/arf6-mediates-nephrin-tyrosine-phosphorylation-induced-podocyte-cellular-dynamics
#19
Jamie S Lin, Jin Seok Jeon, Qingfeng Fan, Hetty N Wong, Matthew B Palmer, Lawrence B Holzman
ADP-ribosylation factor 6 (ARF6) is a small GTPase necessary for regulating cellular structure, motility, and vesicle trafficking. In several cellular systems, ARF6 was shown to regulate actin dynamics in coordination with Rac1, a Rho small GTPase. We examined the function of ARF6 in the kidney podocyte because Rac1 was implicated in kidney diseases involving this cell. We found that ARF6 expression was enriched in human podocytes and that it modulated podocyte cytoskeletal dynamics through a functional interaction with nephrin, an intercellular junction protein necessary for podocyte injury-induced signaling requiring activation by tyrosine phosphorylation of its cytoplasmic domain...
2017: PloS One
https://www.readbyqxmd.com/read/28880016/-5r-5-hydroxytriptolide-ameliorates-anti-glomerular-basement-membrane-glomerulonephritis-in-nzw-mice-by-regulating-fc%C3%AE-receptor-signaling
#20
Qing Qi, Heng Li, Ze-Min Lin, Xiao-Qian Yang, Feng-Hua Zhu, Yu-Ting Liu, Mei-Juan Shao, Lu-Yao Zhang, Yan-Sheng Xu, Yu-Xi Yan, Lan-Lan Sun, Shi-Jun He, Wei Tang, Jian-Ping Zuo
(5R)-5-hydroxytriptolide (LLDT-8) is a novel triptolide analog that has been identified as a promising candidate for treating autoimmune diseases and has been shown to be effective in treating murine collagen-induced arthritis and lupus nephritis. In the present study, we investigated the therapeutic effect and possible mechanism of action of LLDT-8 in a murine anti-glomerular basement membrane (GBM) glomerulonephritis model. NZW mice were injected with rabbit anti-GBM serum (500 μL, ip). The mice were orally treated with LLDT-8 (0...
September 7, 2017: Acta Pharmacologica Sinica
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