journal
https://read.qxmd.com/read/33444543/response-to-on-the-need-to-better-protect-hemodialysis-patients-a-comment-on-the-important-study-one-more-important-thing
#1
LETTER
Olivier Thaunat, Camille Legeai, Olivier Bastien, Sophie Caillard
No abstract text is available yet for this article.
January 10, 2021: Kidney International
https://read.qxmd.com/read/33440212/management-of-acute-kidney-injury-in-symptomatic-multiple-myeloma
#2
REVIEW
Frank Bridoux, Nelson Leung, Mohamed Belmouaz, Virginie Royal, Pierre Ronco, Samih H Nasr, Jean Paul Fermand
Symptomatic multiple myeloma (MM) is commonly complicated by acute kidney injury (AKI), through various mechanisms. The most frequent is the precipitation of monoclonal free light chains (FLC) with uromodulin in the distal tubules, defining light chain cast nephropathy (LCCN). Early diagnosis and identification of the cause of AKI are required for optimizing management and avoiding chronic kidney injury that strongly affects quality of life and patient survival. In LCCN, often manifesting with severe AKI, renal recovery requires urgent intervention based on vigorous rehydration, correction of precipitating factors and efficient anti-plasma cell chemotherapy to rapidly reduce the secretion of nephrotoxic FLC...
January 10, 2021: Kidney International
https://read.qxmd.com/read/33444544/on-the-need-to-better-protect-hemodialysis-patients-a-comment-on-impact-of-the-covid-19-epidemic-on-the-mortality-of-kidney-transplant-recipients-and-candidates-in-a-french-nationwide-registry-study-important
#3
LETTER
Torreggiani Massimo, Fessi Hafedh, Piccoli Giorgina Barbara
No abstract text is available yet for this article.
January 9, 2021: Kidney International
https://read.qxmd.com/read/33422551/non-oxidized-parathyroid-hormone-pth-measured-by-current-method-is-not-superior-to-total-pth-in-assessing-bone-turnover-in-chronic-kidney-disease
#4
Stan R Ursem, Annemieke C Heijboer, Patrick C D'Haese, Geert J Behets, Etienne Cavalier, Marc G Vervloet, Pieter Evenepoel
Parathyroid hormone (PTH) is a key regulator of bone turnover but can be oxidized in vivo, which impairs biological activity. Variable PTH oxidation may account for the rather poor correlation of PTH with indices of bone turnover in chronic kidney disease. Here, we tested whether non-oxidized PTH is superior to total PTH as a marker of bone turnover in 31 patients with kidney failure included from an ongoing prospective observational bone biopsy study and selected to cover the whole spectrum of bone turnover...
January 7, 2021: Kidney International
https://read.qxmd.com/read/33417998/differential-expression-of-microrna-mir-150-5p-in-iga-nephropathy-as-a-potential-mediator-and-marker-of-disease-progression
#5
Izabella Za Pawluczyk, Athanasios Didangelos, Sean J Barbour, Lee Er, Jan U Becker, Roberto Martin, Scott Taylor, Jasraj S Bhachu, Edward G Lyons, Robert Jenkins, Donald Fraser, Karen Molyneux, Javier Perales-Patón, Julio Saez-Rodriguez, Jonathan Barratt
Understanding why certain patients with IgA nephropathy progress to kidney failure while others maintain normal kidney function remains a major unanswered question. To help answer this, we performed miRnome profiling by next generation sequencing of kidney biopsies in order to identify microRNAs specifically associated with the risk of IgA nephropathy progression. Following sequencing and validation in independent cohorts, four microRNAs (-150-5p, -155-5p, -146b-5p, -135a-5p) were found to be differentially expressed in IgA nephropathy progressors compared to non-progressors, and patients with thin membrane nephropathy, lupus nephritis and membranous nephropathy, and correlated with estimated glomerular filtration rate, proteinuria, and the Oxford MEST-C scores (five histological features that are independent predictors of clinical outcome)...
January 5, 2021: Kidney International
https://read.qxmd.com/read/33417997/chlorthalidone-with-potassium-citrate-decreases-calcium-oxalate-stones-and-increases-bone-quality-in-genetic-hypercalciuric-stone-forming-rats
#6
Nancy S Krieger, John Asplin, Ignacio Granja, Luojing Chen, Daiana Spataru, Tong Tong Wu, Marc Grynpas, David A Bushinsky
To study human idiopathic hypercalciuria we developed an animal model, genetic hypercalciuric stone-forming rats, whose pathophysiology parallels that of human idiopathic hypercalciuria. Fed the oxalate precursor, hydroxyproline, every rat in this model develops calcium oxalate stones. Using this rat model, we tested whether chlorthalidone and potassium citrate combined would reduce calcium oxalate stone formation and improve bone quality more than either agent alone. These rats (113 generation) were fed a normal calcium and phosphorus diet with hydroxyproline and divided into four groups: diets plus potassium chloride as control, potassium citrate, chlorthalidone plus potassium chloride, or potassium citrate plus chlorthalidone...
January 5, 2021: Kidney International
https://read.qxmd.com/read/33412163/sex-matters-covid-19-in-kidney-transplantation
#7
Amanda J Vinson, Anita S Chong, Deborah Clegg, Christine Falk, Bethany J Foster, Anne Halpin, Roslyn B Mannon, Biff F Palmer, Sabine Oertelt-Prigione, Lori J West, Germaine Wong, Ruth Sapir-Pichhadze
No abstract text is available yet for this article.
January 4, 2021: Kidney International
https://read.qxmd.com/read/33412162/rho-gtpase-activating-protein-myosin-myo9a-identified-as-a-novel-candidate-gene-for-monogenic-focal-segmental-glomerulosclerosis
#8
Qi Li, Ashima Gulati, Mathieu Lemaire, Timothy Nottoli, Allen Bale, Alda Tufro
Focal segmental glomerulosclerosis (FSGS) is a podocytopathy leading to kidney failure, whose molecular cause frequently remains unresolved. Here, we describe a rare MYO9A loss of function nonsense heterozygous mutation (p.Arg701*) as a possible contributor to disease in a sibling pair with familial FSGS/proteinuria. MYO9A variants of uncertain significance were identified by whole exome sequencing in a cohort of 94 biopsy proven patients with FSGS. MYO9A is an unconventional myosin with a Rho-GAP domain that controls epithelial cell junction assembly, crosslinks and bundles actin and deactivates the small GTPase protein encoded by the RHOA gene...
January 4, 2021: Kidney International
https://read.qxmd.com/read/33388364/acute-kidney-injury-requiring-rrt-during-the-covid-19-pandemic-what-are-our-options-for-treating-it-in-latin-america
#9
EDITORIAL
Lilia Rizo-Topete, Rolando Claure-Del Granado, Daniela Ponce, Raul Lombardi
No abstract text is available yet for this article.
December 31, 2020: Kidney International
https://read.qxmd.com/read/33387602/innate-lymphoid-cells-in-kidney-diseases
#10
REVIEW
Ruifeng Wang, Yiping Wang, David C H Harris, Qi Cao
It is well known that innate immune cells, including dendritic cells, macrophages and natural killer cells contribute to pathogenesis and protection in various kidney diseases. The understanding of innate immunity has been advanced recently by the discovery of a new group of innate lymphoid cells (ILCs) including ILC1, ILC2, and ILC3. ILCs lack adaptive antigen receptors, yet can be triggered by various pathogens and rapidly provide an abundant source of immunomodulatory cytokines to exert immediate immune reactions and direct subsequent innate and adaptive immune responses...
December 30, 2020: Kidney International
https://read.qxmd.com/read/33359528/a-multi-center-study-on-safety-and-efficacy-of-immune-checkpoint-inhibitors-in-cancer-patients-with-kidney-transplant
#11
Naoka Murakami, Patrick Mulvaney, Melissa Danesh, Ala Abudayyeh, Adi Diab, Noha Abdel-Wahab, Maen Abdelrahim, Pascale Khairallah, Shayan Shirazian, Aleksandra Kukla, Itunu O Owoyemi, Tarek Alhamad, Samir Husami, Madhav Menon, Andrew Santeusanio, Christopher Blosser, Sandra Carias Zuniga, Maria Jose Soler, Francesc Moreso, Zain Mithani, David Ortiz-Melo, Edgar A Jaimes, Victoria Gutgarts, Erik Lum, Gabriel M Danovitch, Francesca Cardarelli, Reed E Drews, Claude Bassil, Jennifer L Swank, Scott Westphal, Roslyn B Mannon, Keisuke Shirai, Abhijat Kitchlu, Song Ong, Shana M Machado, Suraj S Mothi, Patrick A Ott, Osama Rahma, F Stephen Hodi, Meghan E Sise, Shruti Gupta, David E Leaf, Craig E Devoe, Rimda Wanchoo, Vinay V Nair, Chrysalyne D Schmults, Glenn J Hanna, Ben Sprangers, Leonardo V Riella, Kenar D Jhaveri
Immune checkpoint inhibitors (ICIs) are widely used for various malignancies. However, their safety and efficacy in patients with a kidney transplant have not been defined. To delineate this, we conducted a multicenter retrospective study of 69 patients with a kidney transplant receiving ICIs between January 2010 and May 2020. For safety, we assessed the incidence, timing, and risk factors of acute graft rejection. For efficacy, objective response rate and overall survival were assessed in cutaneous squamous cell carcinoma and melanoma, the most common cancers in our cohort, and compared with stage-matched 23 patients with squamous cell carcinoma and 14 with melanoma with a kidney transplant not receiving ICIs...
December 23, 2020: Kidney International
https://read.qxmd.com/read/33359501/a-case-control-study-indicates-that-coagulation-imbalance-is-associated-with-arteriosclerosis-and-markers-of-endothelial-dysfunction-in-kidney-failure
#12
Lucie Tran, Bruno Pannier, Patrick Lacolley, Tomas Serrato, Athanase Benetos, Gérard M London, Yvonnick Bézie, Véronique Regnault
Endothelial dysfunction, one of many causes of arterial changes in end-stage kidney disease (kidney failure). is a likely link between early vascular aging and the risk of thrombosis or bleeding in this condition To evaluate this, we compared links between arterial stiffness and endothelial/coagulation factors in 55 patients receiving hemodialysis therapy and 57 age-/sex-matched control individuals. Arterial stiffness was assessed from carotid-femoral pulse wave velocity, and coagulation status from the endogenous thrombin generating potential...
December 22, 2020: Kidney International
https://read.qxmd.com/read/33359500/empagliflozin-restores-chronic-kidney-disease-induced-impairment-of-endothelial-regulation-of-cardiomyocyte-relaxation-and-contraction
#13
Rio P Juni, Rushd Al-Shama, Diederik W D Kuster, Jolanda van der Velden, Henrike M Hamer, Marc G Vervloet, Etto C Eringa, Pieter Koolwijk, Victor W M van Hinsbergh
Chronic kidney disease (CKD) promotes development of cardiac abnormalities and is highly prevalent in patients with heart failure, particularly in those with preserved ejection fraction. CKD is associated with endothelial dysfunction, however, whether CKD can induce impairment of endothelium-to-cardiomyocyte crosstalk leading to impairment of cardiomyocyte function is not known. The sodium-glucose co-transporter 2 inhibitor, empagliflozin, reduced cardiovascular events in diabetic patients with or without CKD, suggesting its potential as a new treatment for heart failure with preserved ejection fraction...
December 22, 2020: Kidney International
https://read.qxmd.com/read/33359499/upregulation-of-hla-f-expression-by-bk-polyomavirus-infection-induces-immune-recognition-by-kir3ds1-positive-natural-killer-cells
#14
Tobias F Koyro, Emma Kraus, Sebastian Lunemann, Angelique Hölzemer, Sonia Wulf, Johannes Jung, Pia Fittje, Florian Henseling, Christian Körner, Tobias B Huber, Adam Grundhoff, Thorsten Wiech, Ulf Panzer, Nicole Fischer, Marcus Altfeld
BK polyomavirus-associated nephropathy is a common complication after kidney transplantation leading to reduced graft function or loss. The molecular pathogenesis of BK polyomavirus-induced nephropathy is not well understood. A recent study had described a protective effect of the activating natural killer cell receptor KIR3DS1 in BK polyomavirus-associated nephropathy, suggesting a role of NK cells in modulating disease progression. Using an in vitro cell culture model of human BK polyomavirus infection and kidney biopsy samples from patients with BK polyomavirus-associated nephropathy, we observed significantly increased surface expression of the ligand for KIR3DS1, HLA-F, on BK polyomavirus-infected kidney tubular cells...
December 22, 2020: Kidney International
https://read.qxmd.com/read/33359498/low-expression-of-hiv-genes-in-podocytes-accelerates-the-progression-of-diabetic-kidney-disease-in-mice
#15
Jie Feng, Bao Li, Xuan Wang, Huilin Li, Yuqiang Chen, Wenzhen Xiao, Zhengzhe Li, Liyi Xie, Wanhong Lu, Hongli Jiang, Kyung Lee, John Cijiang He
With the widespread use combination antiretroviral therapy, there has been a dramatic decrease in HIV-associated nephropathy. However, although the patients living with HIV have low or undetectable viral load, the prevalence of chronic kidney disease (CKD) in this population remains high. Additionally, improved survival is associated with aging-related comorbidities such as diabetes and cardiovascular disease. A faster progression of CKD is associated with concurrent HIV infection and diabetes than with HIV infection or diabetes alone...
December 22, 2020: Kidney International
https://read.qxmd.com/read/33359055/supplemented-era-edta-registry-data-evaluated-the-frequency-of-dialysis-kidney-transplantation-and-comprehensive-conservative-management-for-patients-with-kidney-failure-in-europe
#16
Vianda S Stel, Rianne W de Jong, Anneke Kramer, Anton M Andrusev, José M Baltar, Myftar Barbullushi, Samira Bell, Pablo Castro de la Nuez, Harijs Cernevskis, Cécile Couchoud, Johan De Meester, Bjørn O Eriksen, Lilliana Garneata, Eliezer Golan, Jaakko Helve, Marc H Hemmelder, Kristine Hommel, Kyriakos Ioannou, Faiçal Jarraya, Nino Kantaria, Julia Kerschbaum, Kirill S Komissarov, Ángela Magaz, Lucile Mercadal, Mai Ots-Rosenberg, Runolfur Palsson, Axel Rahmel, Helena Rydell, Manuela Savino, Nurhan Seyahi, Maria F Slon Roblero, Olivera Stojceva-Taneva, Arjan Van der Tol, Evgueniy S Vazelov, Edita Ziginskiene, Oscar Zurriaga, Raymond C Vanholder, Ziad A Massy, Kitty J Jager
The aims of this study were to determine the frequency of dialysis and kidney transplantation and to estimate the regularity of comprehensive conservative management (CCM) for patients with kidney failure in Europe. This study uses data from the ERA-EDTA Registry. Additionally, our study included supplemental data from Armenia, Germany, Hungary, Ireland, Kosovo, Luxembourg, Malta, Moldova, Montenegro, Slovenia and additional data from Israel, Italy, Slovakia using other information sources. Through an online survey, responding nephrologists estimated the frequency of CCM (i...
December 21, 2020: Kidney International
https://read.qxmd.com/read/33347920/going-rogue-how-autoantibodies-become-pathogenic
#17
Griffith B Perkins, Juewan Kim, P Toby Coates
No abstract text is available yet for this article.
December 18, 2020: Kidney International
https://read.qxmd.com/read/33340517/development-and-external-validation-combining-existing-models-and-recent-data-into-an-up-to-date-prediction-model-for-evaluating-kidneys-from-older-deceased-donors-for-transplantation
#18
Chava L Ramspek, Mostafa El Moumni, Eelaha Wali, Martin B A Heemskerk, Robert A Pol, Meindert J Crop, Nichon E Jansen, Andries Hoitsma, Friedo W Dekker, M van Diepen, Cyril Moers
With a rising demand for kidney transplantation, reliable pre-transplant assessment of organ quality becomes top priority. In clinical practice, physicians are regularly in doubt whether suboptimal kidney offers from older donors should be accepted. Here, we externally validate existing prediction models in a European population of older deceased donors, and subsequently developed and externally validated an adverse outcome prediction tool. Recipients of kidney grafts from deceased donors 50 years of age and older were included from the Netherlands Organ Transplant Registry (NOTR) and United States organ transplant registry from 2006-2018...
December 16, 2020: Kidney International
https://read.qxmd.com/read/33340516/a-well-developed-endolysosomal-system-reflects-protein-reabsorption-in-segment-1-and-2-of-rat-proximal-tubules
#19
Erik I Christensen, Inger B Kristoffersen, Birgitte Grann, Jesper S Thomsen, Arne Andreasen, Rikke Nielsen
Proteinuria is a well-established marker and predictor of kidney disease. The receptors megalin and cubilin reabsorb filtered proteins and thereby proteinuria is avoided. It is unknown if all segments of the proximal tubule are involved in clearing the filtrate or if there exists a reserve capacity in case of increased glomerular protein filtration. To determine this, we performed serial sectioning of rat kidney and used stereology to quantify the endolysosomal system of the three segments of cortical and juxtamedullary nephrons by electron microscopy...
December 16, 2020: Kidney International
https://read.qxmd.com/read/33316282/insights-from-credence-trial-indicate-an-acute-drop-in-estimated-glomerular-filtration-rate-during-treatment-with-canagliflozin-with-implications-for-clinical-practice
#20
Megumi Oshima, Meg J Jardine, Rajiv Agarwal, George Bakris, Christopher P Cannon, David M Charytan, Dick de Zeeuw, Robert Edwards, Tom Greene, Adeera Levin, Soo Kun Lim, Kenneth W Mahaffey, Bruce Neal, Carol Pollock, Norman Rosenthal, David C Wheeler, Hong Zhang, Bernard Zinman, Vlado Perkovic, Hiddo J L Heerspink
Canagliflozin slows the progression of chronic kidney disease in patients with type 2 diabetes and induces a reversible acute drop in estimated glomerular filtration rate (eGFR), believed to be a hemodynamic effect. Predictors of the initial drop and its association with long-term eGFR trajectories and safety outcomes are unknown. To assess this, we performed a post-hoc analysis of 4289 participants in the CREDENCE trial with type 2 diabetes and chronic kidney disease equally split into treatment and placebo groups who had eGFR measured at both baseline and week three...
December 11, 2020: Kidney International
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