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Pharmacodynamics in Geriatric Patients: Effects of Age

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...

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Updated: Jul 4, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

Published on: May 31, 2016

Phytate reduces age-related cardiovascular calcification.

Felix Grases¹, Pilar Sanchis, Joan Perello

¹Laboratory of Renal Lithiasis Research, University Institute of Health Sciences Research, University of Balearic Islands, Palma de Mallorca, Spain. fgrases@uib.es

Frontiers in Bioscience : a Journal and Virtual Library

|May 30, 2008

Summary

Dietary phytate significantly reduced age-related aorta calcification in aging rats. This finding suggests phytate

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Area of Science:

Nutritional Science
Cardiovascular Health
Aging Research

Background:

Cardiovascular calcification is a significant health concern associated with aging.
Dietary factors play a crucial role in modulating cardiovascular health.
Phytate, a naturally occurring compound in plants, has potential health benefits.

Purpose of the Study:

To investigate the impact of dietary phytate on the development of cardiovascular calcification in aging rats.
To determine if phytate consumption influences calcium deposition in the aorta and other tissues.

Main Methods:

Male Wistar rats were fed four different diets: control (with phytate), AIN-76A (low phytate), AIN-76A enriched with phytate, and AIN-76A with specific mineral and inositol supplementation.
Rats were aged to 76 weeks, and then aortas, hearts, kidneys, livers, and femurs were analyzed for calcium content.
Statistical analysis was performed to compare calcium levels between diet groups.

Main Results:

Rats fed diets containing phytate (control and PHY groups) exhibited significantly lower aortic calcium levels compared to rats fed diets without phytate (AIN and MOD groups).
The most pronounced differences in calcium content were observed in the aorta.
No significant differences were noted in other analyzed tissues.

Conclusions:

Dietary phytate intake effectively reduces age-related aortic calcification in rats.
Phytate demonstrates a protective effect against cardiovascular calcification during aging.
These findings highlight the potential of dietary phytate as a preventive strategy for cardiovascular calcification.