ArticleMaterials (Basel, Switzerland)2020
Seleninic Acid Potassium Salts as Water-Soluble Biocatalysts with Enhanced Bioavailability.
Article in Materials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Synthesis of New ChiralMaterials (Basel, Switzerland) · 2024Article
- Production ofRSC advances · 2022Article
- Fluorinated diselenide nanoparticles for radiosensitizing therapy of cancer.Free radical biology & medicine · 2022Article
- Phenylselanyl Group Incorporation for "Glutathione Peroxidase-Like" Activity Modulation.Molecules (Basel, Switzerland) · 2020Article
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6 authors.
Funding
Abstract
Organoselenium compounds are well-known glutathione peroxidase (GPx) mimetics that possess antioxidants/prooxidant properties and are able to modulate the concentration of reactive oxygen species (ROS), preventing oxidative stress in normal cells or inducing ROS formation in cancer cells leading to apoptosis. The purpose of this study was the synthesis of potent GPx mimics with antioxidant and anticancer activity along with improved bioavailability, as a result of good solubility in protic solvents. As a result of our research, glutathione peroxidase (GPx) mimetics in the form of water-soluble benzeneseleninic acid salts were obtained. The procedure was based on the synthesis of 2-(N-alkylcarboxyamido)benzeneselenenic acids, through the oxidation of benzisoselenazol-3(2H)-ones or analogous arenediselenides with an amido group, which were further converted to corresponding potassium salts by the treatment with potassium tert-butanolate. All derivatives were tested as potential antioxidants and anticancer agents. The areneseleninic acid salts were significantly better peroxide scavengers than analogous acids and the well-known organoselenium antioxidant ebselen. The highest activity was observed for the 2-(N-ethylcarboxyamido)benzeneselenenic acid potassium salt. The strongest cytotoxic effect against breast cancer (MCF-7) and human promyelocytic leukemia (HL-60) cell lines was found for 2-(N-cyclohexylcarboxyamido)benzeneselenenic acid potassium salt and the 2-(N-ethylcarboxyamido)benzeneselenenic acid, respectively. The structure-activity correlations, including the differences in reactivity of benzeneseleninic acids and corresponding salts were evaluated.
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