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Updated: Jul 15, 2026
07:45
Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
Published on: February 9, 2021
Impact of various modifiers on calcium oxalate crystallization
Sevsen Kulaksizoglu1, Mustafa Sofikerim, Cemal Cevik
1Başkent University, School of Medicine, Department of Biochemistry, Merkez, 42080 Konya, Turkey. sevsenk@yahoo.com
Summary
Citrate and magnesium inhibit calcium oxalate crystal formation and aggregation in vitro. Albumin concentration inversely affects nucleation and aggregation inhibition, offering insights for developing new kidney stone treatments.
Area of Science:
- Biochemistry
- Materials Science
- Nephrology
Background:
- Calcium oxalate crystals are a primary component of kidney stones.
- Understanding the kinetics of calcium oxalate crystallization is crucial for developing effective treatments.
Purpose of the Study:
- To investigate the effects of various compounds on the kinetics of calcium oxalate crystallization in vitro.
- To analyze the impact of modifiers on crystal nucleation and aggregation rates.
Main Methods:
- Measured optic density changes over time to determine nucleation (S(N)) and aggregation (S(A)) rates.
- Utilized solutions of calcium chloride and sodium oxalate at 37°C and pH 5.7.
- Analyzed modifiers including citrate, magnesium, and albumin.
Main Results:
- Citrate significantly decreased both nucleation and aggregation rates (P < 0.001).
- Magnesium inhibited nucleation and aggregation in a non-concentrated manner.
- Albumin concentration showed an inverse relationship with nucleation and aggregation inhibition ratios (P < 0.001).
Conclusions:
- Different compounds modulate calcium oxalate crystal growth and agglomeration distinctly.
- Findings provide a basis for refining treatments aimed at inhibiting calcium oxalate crystallization.
- Results suggest potential for developing novel therapeutic strategies for kidney stone disease.
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