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KMID : 1138520220250040344
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Journal of Pharmacopuncture
2022 Volume.25 No. 4 p.344 ~ p.353
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Protective Effects of Auraptene against Free Radical-Induced Erythrocytes Damage
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Khadijeh Jamialahmadi
Amir Hossein Amiri
Fatemeh Zahedipour
Fahimeh Faraji
Gholamreza Karimi
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Abstract
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Objectives: Auraptene is the most abundant natural prenyloxycoumarin. Recent studies have shown that it has multiple biological and therapeutic properties, including antioxidant properties. Erythrocytes are constantly subjected to oxidative damage that can affect proteins and lipids within the erythrocyte membrane and lead to some hemoglobinopathies. Due to the lack of sufficient information about the antioxidant effects of auraptene on erythrocytes, this study intended to evaluate the potential of this compound in protecting radical-induced erythrocytes damages.
Methods: The antioxidant activity of auraptene was measured based on DPPH and FRAP assays. Notably, oxidative hemolysis of human erythrocytes was used as a model to study the ability of auraptene to protect biological membranes from free radical-induced damage. Also, the effects of auraptene in different concentrations (25-400 μM) on AAPHinduced lipid/protein peroxidation, glutathione (GSH) content and morphological changes of erythrocytes were determined.
Results: Oxidative hemolysis and lipid/protein peroxidation of erythrocytes were significantly suppressed by auraptene in a time and concentration-dependent manner. Auraptene prevented the depletion of the cytosolic antioxidant GSH in erythrocytes. Furthermore, it inhibited lipid and protein peroxidation in a time and concentration-dependent manner. Likewise, FESEM results demonstrated that auraptene reduced AAPH-induced morphological changes in erythrocytes.
Conclusion: Auraptene efficiently protects human erythrocytes against free radicals. Therefore, it can be a potent candidate for treating oxidative stress-related diseases.
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KEYWORD
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auraptene, hemolysis, aaph, peroxidation, oxidative stress
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