The authors investigated interannual differences in the sodium excretion levels of young healthy Japanese women as estimated from spot urine analysis at Nakamura Gakuen University from 1995 to 2015. Participants included 4931 women aged 18 to 20 years who were classified into three time periods according to year of health check: first (1995-2001), second (2002-2007), and third (2008-2015). Estimated daily urinary sodium and potassium excretion levels and the sodium to potassium ratio were 120.6±31.9 mmol, 35.2±8.1 mmol, and 3.5±0.9, respectively. Adjusted for body weight, sodium excretion, and potassium excretion significantly decreased in the second and third period compared with the first period (P<.001). Systolic blood pressure also decreased in the same way between time periods (P<.001). Estimated urinary excretion levels of sodium and potassium in young Japanese women have decreased over the past 20 years independently of body weight.
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http://dx.doi.org/10.1111/jch.13025 | DOI Listing |
Ecotoxicol Environ Saf
January 2025
Institute of Combined Injury, State Key Laboratory of Trauma and Chemical Poisoning, Military Key Laboratory of Nanomedicine, Department of Military Preventive Medicine, Army Medical University, Chongqing 400038, China. Electronic address:
Uranium poisoning, particularly from exposure to Depleted Uranium (DU), occurs when uranyl ions enter the bloodstream and bind primarily to transferrin, osteopontin, and albumin before entering cells via corresponding receptors on renal tubular membranes, leading to cellular damage. Uranium poisoning remains a significant clinical challenge, with no ideal treatment currently available. In this study, we investigate the therapeutic potential of human umbilical cord-derived mesenchymal stem cell exosomes (MSC-EXs) in mice exposed to DU.
View Article and Find Full Text PDFPlant Cell
January 2025
State Key Laboratory of Plant Environmental Resilience, China Agricultural University, Beijing 100193, China.
Salt stress causes ion toxicity in plant cells and limits plant growth and crop productivity. Sodium ions (Na+) are transported out of the cell and sequestered in the vacuole for detoxification under salt stress. The salt excretion system is controlled by the SALT OVERLY SENSITIVE (SOS) pathway, which consists of the calcium sensors SOS3 and SOS3-LIKE CALCIUM BINDING PROTEIN 8, the protein kinase SOS2, and the plasma membrane Na+/H+ antiporter SOS1.
View Article and Find Full Text PDFCardiovasc Endocrinol Metab
March 2025
Department of Food and Nutrition Policy and Planning Research, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Background: Coronary artery disease and hypertension are the leading causes of death and disability worldwide, primarily due to high sodium intake. Therefore, accurate assessment of the status of sodium intake and excretion is crucial. The present study aimed to assess the dietary sodium intake and excretion in Iranian population.
View Article and Find Full Text PDFKidney Med
January 2025
Department of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, CT.
Rationale & Objective: Peritoneal dialysis (PD) solutions provide both clearance of uremic toxins and sodium and water. An intraperitoneal (IP) solution of icodextrin and glucose designed without the requirement for uremic toxin clearance could provide substantially greater sodium and water removal than PD solutions.
Study Design: We examined varying concentrations of icodextrin and dextrose IP solutions in rats.
Nat Rev Nephrol
January 2025
AHEPA Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Diuretic drugs act on electrolyte transporters in the kidney to induce diuresis and are often used in chronic kidney disease (CKD), given that nephron loss creates a deficit in the ability to excrete dietary sodium, which promotes an increase in plasma volume. This rise in plasma volume is exacerbated by CKD-induced systemic and intra-renal activation of the renin-angiotensin-aldosterone-system, which further limits urinary sodium excretion. In the absence of a compensatory decrease in systemic vascular resistance, increases in plasma volume induced by sodium retention can manifest as a rise in systemic arterial blood pressure.
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