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Journal of the American Society of Nephrology : JASN

https://read.qxmd.com/read/37733367/the-collaborative-nephrology-community-perspectives-and-experience-on-data-sharing
#1
JOURNAL ARTICLE
Lesley A Inker, Juhi Chaudhari, Tom Greene, Anthony Gucciardo, Hiddo J L Heerspink
No abstract text is available yet for this article.
September 21, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37731175/does-chatgpt-help-us-understand-the-medical-literature
#2
JOURNAL ARTICLE
Kevin V Lemley
No abstract text is available yet for this article.
September 21, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37729392/proceedings-of-a-workshop-to-promote-community-health-worker-interventions-in-nephrology
#3
JOURNAL ARTICLE
Tessa K Novick, Lilia Cervantes, Ladan Golestaneh, Michelle Osuna, Evelyn Cruz, Luz Baqueiro, Marissa Argentina, Andrea Sandoval, Arleen Brown, Franco Reyna, Sylvia E Rosas, Claudia Camacho, Jenny Shen
Latinx populations face a higher burden of kidney failure and associated negative outcomes compared to non-Latinx white populations, despite sharing a similar prevalence of chronic kidney disease. Community health worker (CHW) interventions have been shown to improve outcomes for Latinx individuals, but they are largely underutilized in kidney disease. We convened a workshop of four ongoing kidney disease CHW programs to identify successes, challenges, potential solutions, and needed research in order to promote CHW programs for Latinx individuals with kidney disease...
September 20, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37678265/electrolyte-disorders-in-mitochondrial-cytopathies-a-systematic-review
#4
JOURNAL ARTICLE
Daan Hhm Viering, Lars Vermeltfoort, René Jm Bindels, Jaap Deinum, Jeroen Hf de Baaij
BACKGROUND: Electrolyte reabsorption in the kidney has a high energy demand. Proximal and distal tubular epithelial cells therefore have a high mitochondrial density for energy release. Recently, electrolyte disorders have been reported as the primary presentation of some mitochondrial cytopathies. However, the prevalence and the pathophysiology of electrolyte disturbances in mitochondrial disease are unknown. Therefore, we systematically investigated electrolyte disorders in patients with mitochondrial cytopathies...
September 6, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37678257/podocyte-injury-in-diabetic-kidney-disease-in-a-mouse-model-involves-trpc6-mediated-calpain-activation-impairing-autophagy
#5
JOURNAL ARTICLE
Yann Salemkour, Dilemin Yildiz, Léa Dionet, Daan C T Hart, Kim A T Verheijden, Ryuta Sato, Nassim Mahtal, Jean-Daniel Delbet, Emmanuel Letavernier, Marion Rabant, Alexandre Karras, Johan van der Vlag, Tom Nijenhuis, Pierre-Louis Tharaux, Olivia Lenoir
BACKGROUND: Diabetic kidney disease is associated with impaired podocyte autophagy and subsequent podocyte injury. The regulation of podocyte autophagy is unique, because it minimally utilizes the mTOR and AMPK pathways. Thus, the molecular mechanisms underlying the impaired autophagy in podocytes in diabetic kidney disease remain largely elusive. METHODS: This study investigated how the calcium channel TRPC6 and the cysteine protease calpains deleteriously affect podocyte autophagy in diabetic kidney disease in mice...
September 6, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37677933/platelet-count-and-platelet-volume-in-patients-with-chronic-kidney-disease
#6
JOURNAL ARTICLE
Otis M Davis, Rajshekhar Kore, Alexandra Moore, Jerry Ware, Jawahar L Mehta, John M Arthur, Donald R Lynch, Nishank Jain
No abstract text is available yet for this article.
September 6, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37639356/risk-of-nephrolithiasis-in-adults-heterozygous-for-slc34a3-ser192leu-in-an-unselected-health-system-cohort
#7
JOURNAL ARTICLE
Chinedu Nwachukwu, Gurmukteshwar Singh, Bryn Moore, Natasha T Strande, Ion D Bucaloiu, Alexander R Chang
No abstract text is available yet for this article.
August 28, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37639336/unified-mouse-and-human-kidney-single-cell-expression-atlas-reveal-commonalities-and-differences-in-disease-states
#8
JOURNAL ARTICLE
Jianfu Zhou, Amin Abedini, Michael Balzer, Rojesh Shrestra, Poonam Dhillon, Hongbo Liu, Hailong Hu, Katalin Susztak
BACKGROUND: Mouse models have been widely used to understand kidney disease pathomechanisms and play an important role in drug discovery. However, these models have not been systematically analyzed and compared. METHODS: We analyzed single-cell RNA sequencing data (36 samples) and bulk gene expression data (42 samples) from 18 commonly used mouse kidney disease models. We compared single-nucleus RNA sequencing data from a mouse diabetic kidney disease model with data from patients with diabetic kidney disease and healthy controls...
August 28, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37562061/the-number-and-size-of-individual-kidney-medullary-pyramids-is-associated-with-clinical-characteristics-kidney-biopsy-findings-and-ckd-outcomes-among-kidney-donors
#9
JOURNAL ARTICLE
Adriana V Gregory, Aleksandar Denic, Amr Moustafa, Praveen G Dasaraju, Bhavya Poudyal, Joshua J Augustine, Aidan F Mullan, Panagiotis Korfiatis, Andrew D Rule, Timothy L Kline
BACKGROUND: The kidney is a lobulated organ, but little is known regarding the clinical importance of the number and size of individual kidney lobes. METHODS: After applying a previously validated algorithm to segment the cortex and medulla, a deep-learning algorithm was developed and validated to segment and count individual medullary pyramids on contrast-enhanced computed tomography images of living kidney donors before donation. The association of cortex volume, medullary volume, number of pyramids, and mean pyramid volume with concurrent clinical characteristics (kidney function and CKD risk factors), kidney biopsy morphology (nephron number, glomerular volume, and nephrosclerosis), and short- and long-term GFR <60 or <45 ml/min per 1...
August 10, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37560967/safety-and-preliminary-efficacy-of-mesenchymal-stromal-cell-orbcel-m-cell-therapy-in-diabetic-kidney-disease-a-randomized-clinical-trial-nephstrom
#10
JOURNAL ARTICLE
Norberto Perico, Giuseppe Remuzzi, Matthew D Griffin, Paul Cockwell, Alexander P Maxwell, Federica Casiraghi, Nadia Rubis, Tobia Peracchi, Alessandro Villa, Marta Todeschini, Fabiola Carrara, Bernadette A Magee, Piero L Ruggenenti, Stefano Rota, Laura Cappelletti, Veronica McInerney, Tomás P Griffin, Md Nahidul Islam, Martino Introna, Olga Pedrini, Josée Golay, Andrew A Finnerty, Jon Smythe, Willem E Fibbe, Stephen J Elliman, Timothy O'Brien
BACKGROUND: Systemic therapy with mesenchymal stromal cells (MSCs) may target maladaptive processes involved in diabetic kidney disease (DKD) progression. However, clinical translation of this approach has been limited. METHODS: The Novel Stromal Cell Therapy for Diabetic Kidney Disease (NEPHSTROM) study, a randomized, placebo-controlled phase 1b/2a trial, assesses safety, tolerability, and preliminary efficacy of next-generation bone marrow-derived, anti-CD362-selected, allogeneic MSCs (ORBCEL-M) in adults with type 2 diabetes and progressive DKD...
August 10, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37553867/the-removal-of-uremic-solutes-by-peritoneal-dialysis
#11
JOURNAL ARTICLE
Timothy W Meyer, Joanne M Bargman
Peritoneal dialysis (PD) is now commonly prescribed to achieve target clearances for urea or creatinine. The International Society for Peritoneal Dialysis has proposed however that such targets should no longer be imposed. The Society's new guidelines suggest rather that the PD prescription should be adjusted to achieve well-being in individual patients. The relaxation of treatment targets could allow increased use of PD. Measurement of solute levels in patients receiving dialysis individualized to relieve uremic symptoms could also help us identify the solutes responsible for those symptoms and then devise new means to limit their accumulation...
August 9, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37725437/erythrocyte-ent1-ampd3-axis-is-an-essential-purinergic-hypoxia-sensor-and-energy-regulator-combating-ckd-in-a-mouse-model
#12
JOURNAL ARTICLE
Changhan Chen, TingTing Xie, Yujin Zhang, Yiyan Wang, Fang Yu, Lizhen Lin, Weiru Zhang, Benjamin C Brown, Xin Zhang, Rodney E Kellems, Angelo D'Alessandro, Yang Xia
BACKGROUND: Hypoxia drives kidney damage and progression of CKD. Although erythrocytes respond rapidly to hypoxia, their role and the specific molecules sensing and responding to hypoxia in CKD remain unclear. METHODS: Mice with an erythrocyte-specific deficiency in equilibrative nucleoside transporter 1 (eEnt1-/-) and a global deficiency in AMP deaminase 3 (Ampd3-/-) were generated to define their function in two independent CKD models, including angiotensin II (Ang II) infusion and unilateral ureteral obstruction (UUO)...
August 7, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37548710/tertiary-lymphoid-tissues-are-microenvironments-with-intensive-interactions-between-immune-cells-and-proinflammatory-parenchymal-cells-in-aged-kidneys
#13
JOURNAL ARTICLE
Takahisa Yoshikawa, Akiko Oguchi, Naoya Toriu, Yuki Sato, Takashi Kobayashi, Osamu Ogawa, Hironori Haga, Satoko Sakurai, Takuya Yamamoto, Yasuhiro Murakawa, Motoko Yanagita
BACKGROUND: Ectopic lymphoid structures called tertiary lymphoid tissues (TLTs) develop in several kidney diseases and are associated with poor renal prognosis. However, the mechanisms that expand TLTs and underlie exacerbation of kidney injury remain unclear. METHODS: We performed single-nucleus RNA sequencing (snRNA-seq) on aged mouse kidneys with TLTs after ischemia-reperfusion injury. The results were validated using immunostaining, in situ hybridization of murine and human kidneys, and in vitro experiments...
August 7, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37545036/divergent-actions-of-renal-tubular-and-endothelial-type-1-interleukin-1-receptor-signaling-in-toxin-induced-acute-kidney-injury
#14
JOURNAL ARTICLE
Jiafa Ren, Kang Liu, Buyun Wu, Xiaohan Lu, Lianqin Sun, Jamie R Privratsky, Changying Xing, Matthew J Robson, Huijuan Mao, Randy D Blakely, Koki Abe, Tomokazu Souma, Steven D Crowley
BACKGROUND: Activation of the type 1 interleukin 1 receptor (IL-1R1) triggers a critical innate immune signaling cascade that contributes to the pathogenesis of acute kidney injury (AKI). IL-1R1 is expressed on some myeloid cell populations and on multiple kidney cell lineages, including tubular and endothelial cells. Pharmacological inhibition of the IL-1R1 does not consistently protect the kidney from injury, suggesting there may be complex, cell-specific effects of IL-1R1 stimulation in AKI...
August 7, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37545022/renin-angiotensin-aldosterone-system-blockade-after-acute-kidney-injury-with-or-without-recovery-among-us-veterans-with-diabetic-kidney-disease
#15
JOURNAL ARTICLE
Daniel P Murphy, Julian Wolfson, Scott Reule, Kirsten L Johansen, Areef Ishani, Paul E Drawz
BACKGROUND: Optimal use of angiotensin-converting enzyme inhibitors (ACEi) or angiotensin II receptor blockers (ARBs) after acute kidney injury (AKI) is uncertain. METHODS: Using data derived from electronic medical records, we sought to estimate the association between ACEi/ARB use after AKI and mortality in US military veterans with indications for such treatment (diabetes and proteinuria), while accounting for AKI recovery. We used ACEi/ARB treatment after hospitalization with AKI (defined as serum creatinine ≥50% above baseline concentration) as a time-varying exposure in Cox models...
August 7, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37535362/discrepant-outcomes-between-national-kidney-transplant-data-registries-in-the-united-states
#16
JOURNAL ARTICLE
Miko Yu, Kristen L King, S Ali Husain, Anne M Huml, Rachel E Patzer, Jesse D Schold, Sumit Mohan
BACKGROUND: Central to a transplant registry's quality are accuracy and completeness of the clinical information being captured, especially for important outcomes, such as graft failure or death. Effects of more limited access to external sources of death data for transplant registries are compounded by different data management processes at the United Network for Organ Sharing (UNOS), the Scientific Registry of Transplant Recipients (SRTR), and the United States Renal Data System (USRDS)...
August 3, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37488682/why-the-national-academies-got-it-wrong-about-changing-preemptive-listing-priority-for-kidney-transplantation
#17
JOURNAL ARTICLE
Jesse D Schold, Anne M Huml, S Ali Husain, Sumit Mohan
No abstract text is available yet for this article.
August 3, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37527287/the-complex-patchwork-of-transportation-for-in-center-hemodialysis
#18
JOURNAL ARTICLE
Frances F Tian, Yoshio N Hall, Sauntia Griffin, Torie Kranze, Debra Marcella, Suzanne Watnick, Ann M O'Hare
Reliable transportation is an important determinant of access to health care and health outcomes that carries particular significance for people with ESKD. In the United States, there are almost half a million patients receiving treatment with in-center dialysis, translating into more than 70 million roundtrips to dialysis centers annually. Difficulty with transportation can interfere with patients' quality of life and contribute to missed or shortened dialysis treatments, increasing their risk for hospitalization...
July 27, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37488681/elucidating-the-proximal-tubule-hnf4a-gene-regulatory-network-in-human-kidney-organoids
#19
JOURNAL ARTICLE
Yasuhiro Yoshimura, Yoshiharu Muto, Kohei Omachi, Jeffrey H Miner, Benjamin D Humphreys
BACKGROUND: The proximal tubule plays a major role in electrolyte homeostasis. Previous studies have shown that HNF4A regulates reabsorption-related genes and promotes proximal tubule differentiation during murine kidney development. However, the functions and gene regulatory mechanisms of HNF4 family genes in human nephrogenesis have not yet been investigated. METHODS: We generated HNF4A-knock out (KO), HNF4G-KO, and HNF4A/4G-double KO human pluripotent stem cell (PSC) lines, differentiated each into kidney organoids, and used immunofluorescence analysis, electron microscopy, and RNA-seq to analyze them...
July 25, 2023: Journal of the American Society of Nephrology: JASN
https://read.qxmd.com/read/37488677/a-restorative-justice-project-in-kidney-allocation-the-wait-time-modification-for-black-and-african-american-candidates-affected-by-the-race-based-egfr-equation
#20
JOURNAL ARTICLE
Martha Pavlakis
No abstract text is available yet for this article.
July 25, 2023: Journal of the American Society of Nephrology: JASN
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