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Segment specific loss of NFAT5 function in the kidneys is sufficient to induce a global kidney injury like phenotype.
FASEB J
January 2025
Department of Medicine, Hematology and Oncology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.
Nuclear factor of activated T-cells 5 (NFAT5) is a transcription factor known for its role in osmotic stress adaptation in the renal inner medulla, due to the osmotic gradient that is generated between the renal cortex and renal inner medulla. However, its broader implications in kidney injury and chronic kidney disease (CKD) are less understood. Here we used two different Cre deleter mice (Ksp1.
View Article and Find Full Text PDFEvaluation of serum galectin-3 concentrations in healthy cats and in cats with ureteral obstruction.
J Feline Med Surg
January 2025
Department of Surgical & Radiological Sciences, University of California-Davis, Davis, CA, USA.
Objectives: Serum galectin-3 (sGal-3) is a protein present in renal tubules and increases in experimental rodent models of acute kidney injury. The aim of this study was to compare sGal-3 concentrations in healthy cats and cats with ureteral obstruction (UO).
Methods: This was a retrospective study.
ERMP1 as a newly identified ER stress gatekeeper in chronic kidney disease.
Am J Physiol Renal Physiol
January 2025
Department of Cell Physiology and Metabolism, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
ERMP1 is involved in the Unfolded Protein Response (UPR) pathway in response to endoplasmic reticulum (ER) stress. Given the pivotal role of ER stress in the pathogenesis of acute and chronic kidney diseases, we hypothesized that ERMP1 could be instrumental in the development of renal injury. analysis of RNA sequencing datasets from renal biopsies were exploited to assess the expression of ERMP1 in the kidney under normal or pathological conditions.
View Article and Find Full Text PDFStem cells prevent long-term deterioration of renal function after renal artery revascularization in a renovascular hypertension model in rats.
Sci Rep
January 2025
Renal Division, Department of Medicine, Universidade Federal de São Paulo, Rua Pedro de Toledo, 781, São Paulo, SP, 04039-032, Brazil.
Partial stenosis of the renal artery causes renovascular hypertension (RVH) and is accompanied by chronic renal ischemia, resulting in irreversible kidney damage. Revascularization constitutes the most efficient therapy for normalizing blood pressure (BP) and has significant benefits for renal function; however, the tissue damage caused by chronic hypoxia is not fully reversed. Mesenchymal stem cells (MSCs) have produced discrete results in minimizing RVH and renal tissue and functional improvements since the obstruction persists.
View Article and Find Full Text PDFHigh-density lipoprotein nanoparticles spontaneously target to damaged renal tubules and alleviate renal fibrosis by remodeling the fibrotic niches.
Nat Commun
January 2025
College of Polymer Science and Engineering, West China School of Public Health, Med-X center of materials, Sichuan University, Chengdu, Sichuan, 610065, China.
Chronic kidney disease (CKD) ultimately causes renal fibrosis and end-stage renal disease, thus seriously threatens human health. However, current medications for CKD and fibrosis are inefficient, which is often due to poor targeting capability to renal tubule. In this study, we discover that biomimetic high-density lipoprotein (bHDL) lipid nanoparticles possess excellent targeting ability to injured tubular epithelial cells by kidney injury molecule-1(KIM-1) mediated internalization.
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