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Epicatechin Influence on Biochemical Modification of Human Erythrocyte Metabolism and Membrane Integrity

Overview
Journal Int J Mol Sci
Publisher MDPI
Date 2025 Jan 8
PMID 39769244
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Abstract

Red blood cells (RBCs) are the main cells of the blood, perform numerous functions within the body and are in continuous contact with endogenous and exogenous molecules. In this context, the study aims to investigate the effect of epicatechin (EC) (flavan-3-ols) on the erythrocytes, analyzing the protective effect of the molecule and the action exerted on metabolism and RBC membrane. The effect of EC on RBC viability has been evaluated through the change in hemolysis and methemoglobin, assessing caspase 3 activity and performing a cytofluorometric analysis. Next, the impact of the molecule on RBC metabolism was assessed by measuring anion flux kinetics, ATP production, and phosphatase activity. Finally, an evaluation of the potential protection against different stressors was performed. Our results show no detrimental effects of EC on RBCs (no change in hemolysis or methemoglobin and no caspase 3 activation recorded); rather, a protective effect was recorded given the reduction in hemolysis induced by hydrogen peroxide treatment and temperature increase. The increase in anion exchange and intracellular ATP values, with the inhibition of phosphatase PTP1B activity, highlights several biochemical alterations induced by EC. The present results contribute to clarifying the influence of EC on RBCs, confirming the beneficial effects of catechins.

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