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Updated: May 18, 2026

Analysis of Extracellular Vesicle-Mediated Vascular Calcification Using In Vitro and In Vivo Models
09:01

Analysis of Extracellular Vesicle-Mediated Vascular Calcification Using In Vitro and In Vivo Models

Published on: January 27, 2023

[Hyperphosphatemia and cardiovascular diseases : impact of vascular calcification and endothelial dysfunction]

Katsuya Iijima1

  • 1Institute of Gerontology, The University of Tokyo, Japan.

Clinical Calcium
|October 2, 2012
PubMed

Insights

High phosphate levels, even within the normal range, increase cardiovascular risk and mortality. This review explores how phosphate impacts vascular health, contributing to atherosclerosis and vascular calcification.

Area of Science:

  • Cardiovascular Science
  • Nephrology
  • Vascular Biology

Context:

  • Hyperphosphatemia is linked to mortality in chronic renal failure (CRF) patients.
  • Elevated serum phosphate, even within normal ranges, correlates with cardiovascular events in non-CRF individuals.

Purpose:

  • To review current knowledge on phosphate-induced vascular wall changes.
  • To elucidate the role of the phosphate axis in atherogenesis and vascular calcification.

Summary:

  • Phosphate contributes to vascular smooth muscle cell (SMC) calcification through osteochondrogenic differentiation and apoptosis.
  • Hyperphosphatemia causes endothelial dysfunction via reduced nitric oxide release and oxidative stress, mediated by the PiT-1 cotransporter.
  • These mechanisms promote vascular sclerosis and atherosis.

Impact:

  • Highlights phosphate's critical role in cardiovascular disease development.
  • Underscores the importance of phosphate management beyond CRF patients.
  • Provides mechanistic insights into hyperphosphatemia-driven vascular pathology.

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