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Shaking it off: loss of NHE3-mediated calcium reabsorption is compensated by the distal nephron.
Kidney Int
February 2025
Department of Pediatrics, The Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada. Electronic address:
Sodium reabsorption is tightly coupled to calcium reabsorption in the proximal tubule via the action of the Na/H exchanger isoform 3 (NHE3). Poulsen et al. provide evidence of reduced proximal calcium reabsorption in kidney tubule-specific NHE3-deficient mice that is compensated distally, unaltered phosphate homeostasis, and NHE3 involvement in the hypocalciuric effect of thiazides.
View Article and Find Full Text PDFChitosan- and sodium alginate-coated dendritic mesoporous organosilica nanoparticles improve pesticide adhesion on leaves and enable dual-stimulus-responsive release.
Int J Biol Macromol
January 2025
Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, PR China. Electronic address:
During the application of most conventional pesticides, a significant proportion is lost through rain wash-off and leaf rolling, leading to reduced actual utilization efficiency. In this paper, aminated dendritic mesoporous organosilicon nanoparticles (DMONs-NH) were synthesized via a one-pot method and used as carriers. Carbendazim (CBZ) was then encapsulated within DMONs-NH through hydrogen bonding and electrostatic interactions.
View Article and Find Full Text PDFItaconate mechanism of action and dissimilation in .
Proc Natl Acad Sci U S A
January 2025
Centre for Tuberculosis Research, Tuberculosis Research Laboratory, Translational Health Science and Technology Institute, National Capital Region Biotech Science Cluster 3rd Milestone, Faridabad, Haryana 121001, India.
Itaconate, an abundant metabolite produced by macrophages upon interferon-γ stimulation, possesses both antibacterial and immunomodulatory properties. Despite its crucial role in immunity and antimicrobial control, its mechanism of action and dissimilation are poorly understood. Here, we demonstrate that infection of mice with increases itaconate levels in lung tissues.
View Article and Find Full Text PDFDecursinol angelate relieves inflammatory bowel disease by inhibiting the ROS/TXNIP/NLRP3 pathway and pyroptosis.
Front Pharmacol
January 2025
Department of Pharmacy, Yanbian University Hospital, Yanbian University, Yanji, China.
Introduction: Despite evidence of the efficacy of decursinol angelate (DA), a prescription medication derived farom traditional Chinese medicine, in alleviating inflammatory bowel disease (IBD), the precise mechanisms behind its action remain unclear.
Methods: Lipopolysaccharides (LPS) and dextran sodium sulfate (DSS) induction were used as and models of IBD, respectively, to assess the role of DA in alleviating IBD. Enzyme-linked immunosorbent assay (ELISA) was performed to detect the expression levels of pro-inflammatory cytokines in mouse serum, Western blot was performed to detect the expression of TXNIP/NLRP3 pathway tight junction (TJ) proteins in colon tissues and cells, and immunohistochemistry, immunofluorescence and immunohistochemistry, immunofluorescence and qRT-PCR were used to validate the proteins related to this signaling pathway.
The Impact of a Metformin Recall on Patient Hemoglobin A1c Levels at a VA Network.
Fed Pract
November 2024
Aptive Resources, Alexandria, Virginia.
Background: In May 2020, the US Food and Drug Administration (FDA) asked 5 pharmaceutical companies to voluntarily recall some formulations of metformin due to contamination. This observational study sought to provide insight changes in hemoglobin A (HbA) levels when veterans switched to alternative antihyperglycemic agents following the recall.
Methods: This study included veterans aged ≥ 18 years with type 2 diabetes who were receiving health care from Veterans Integrated Service Network 6 and had an active metformin sustained-action (SA) prescription as of June 1, 2020.
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