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Mouithys-Mickalad A, Etsè KS, Franck T, Ceusters J, Niesten A, Graide H, Deby-Dupont G, Sandersen C, Serteyn D. Free Radical Inhibition Using a Water-Soluble Curcumin Complex, NDS27: Mechanism Study Using EPR, Chemiluminescence, and Docking. Antioxidants (Basel) 2024; 13:80. [PMID: 38247504 PMCID: PMC10812671 DOI: 10.3390/antiox13010080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/23/2023] [Accepted: 12/31/2023] [Indexed: 01/23/2024] Open
Abstract
There is a growing interest in the use of natural compounds to tackle inflammatory diseases and cancers. However, most of them face the bioavailability and solubility challenges to reaching cellular compartments and exert their potential biological effects. Polyphenols belong to that class of molecules, and numerous efforts have been made to improve and overcome these problems. Curcumin is widely studied for its antioxidant and anti-inflammatory properties as well as its use as an anticancer agent. However, its poor solubility and bioavailability are often a source of concern with disappointing or unexpected results in cellular models or in vivo, which limits the clinical use of curcumin as such. Beside nanoparticles and liposomes, cyclodextrins are one of the best candidates to improve the solubility of these molecules. We have used lysine and cyclodextrin to form a water-soluble curcumin complex, named NDS27, in which potential anti-inflammatory effects were demonstrated in cellular and in vivo models. Herein, we investigated for the first time its direct free radicals scavenging activity on DPPH/ABTS assays as well as on hydroxyl, superoxide anion, and peroxyl radical species. The ability of NDS27 to quench singlet oxygen, produced by rose bengal photosensitization, was studied, as was the inhibiting effect on the enzyme-catalyzed oxidation of the co-substrate, luminol analog (L012), using horseradish peroxidase (HRP)/hydrogen peroxide (H2O2) system. Finally, docking was performed to study the behavior of NDS27 in the active site of the peroxidase enzyme.
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Affiliation(s)
- Ange Mouithys-Mickalad
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
| | - Koffi Senam Etsè
- Laboratory of Medicinal Analytic (CIRM), University of Liège, Hospital Quarter, 15 Hospital Avenue, 4000 Liège, Belgium;
| | - Thierry Franck
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
- Veterinary Clinic, Large Animal Surgery, B32, Boulevard du Rectorat, 4000 Liège, Belgium;
| | - Justine Ceusters
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
| | - Ariane Niesten
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
| | - Hélène Graide
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
| | - Ginette Deby-Dupont
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
| | - Charlotte Sandersen
- Veterinary Clinic, Large Animal Surgery, B32, Boulevard du Rectorat, 4000 Liège, Belgium;
| | - Didier Serteyn
- Centre for Oxygen R&D (CORD)-CIRM, Institute of Chemistry, University of Liège, Allée de la Chimie, 3, 4000 Liège, Belgium; (T.F.); (J.C.); (A.N.); (G.D.-D.); (D.S.)
- Veterinary Clinic, Large Animal Surgery, B32, Boulevard du Rectorat, 4000 Liège, Belgium;
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Mouithys-Mickalad A, Storms N, Franck T, Ceusters J, de la Rebière de Pouyade G, Deby-Dupont G, Serteyn D. Effects of Juglone on Neutrophil Degranulation and Myeloperoxidase Activity Related to Equine Laminitis. Front Vet Sci 2021; 8:677675. [PMID: 34336974 PMCID: PMC8322847 DOI: 10.3389/fvets.2021.677675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/08/2021] [Indexed: 11/13/2022] Open
Abstract
Experimental laminitis, characterized by a failure of the dermal-epidermal interface of the foot, can be induced in horses by the oral administration of a black walnut extract (BWE). In the early phase of this severe and painful disease, an activation of neutrophil occurs, with the release of myeloperoxidase (MPO), a pro-oxidant enzyme of neutrophils, in plasma, skin, and laminar tissue. Juglone, a naphthoquinone derivative endowed with redox properties, is found in walnuts and has been incriminated in this neutrophil activation. We report for the first time the inhibitory activity of juglone on the degranulation of neutrophils induced by cytochalasin B and formyl-methionyl-leucyl-phenylalanine as monitored by the MPO release (>90% inhibition for 25 and 50 μM). Moreover, it also acts on the peroxidase activity of MPO by interacting with the intermediate "π cation radical," as evidenced by the classical and specific immunological extraction followed by enzymatic detection (SIEFED) assays. These results are confirmed by a docking study showing the perfect positioning of juglone in the MPO enzyme active site and its interaction with one of the amino acids (Arg-239) of MPO apoprotein. By chemiluminescence and electron paramagnetic resonance techniques, we demonstrated that juglone inhibited reactive oxygen species (ROS) and superoxide anion free radical produced from phorbol myristate acetate (PMA)-activated polymorphonuclear neutrophils (PMNs). These results indicate that juglone is not the trigger for equine laminitis, at least if we focus on the modulation of neutrophil activation.
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Affiliation(s)
| | - Nazaré Storms
- Department of Clinical Sciences, Equine Surgery, University of Liège, Liège, Belgium
| | - Thierry Franck
- Centre for Oxygen R&D, Institute of Chemistry, B6a, University of Liège, Liège, Belgium
| | - Justine Ceusters
- Centre for Oxygen R&D, Institute of Chemistry, B6a, University of Liège, Liège, Belgium
| | | | - Ginette Deby-Dupont
- Centre for Oxygen R&D, Institute of Chemistry, B6a, University of Liège, Liège, Belgium
| | - Didier Serteyn
- Centre for Oxygen R&D, Institute of Chemistry, B6a, University of Liège, Liège, Belgium.,Department of Clinical Sciences, Equine Surgery, University of Liège, Liège, Belgium
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Bhat OM, Yuan X, Li G, Lee R, Li PL. Sphingolipids and Redox Signaling in Renal Regulation and Chronic Kidney Diseases. Antioxid Redox Signal 2018; 28:1008-1026. [PMID: 29121774 PMCID: PMC5849286 DOI: 10.1089/ars.2017.7129] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 10/30/2017] [Accepted: 11/04/2017] [Indexed: 01/04/2023]
Abstract
Significance: Sphingolipids play critical roles in the membrane biology and intracellular signaling events that influence cellular behavior and function. Our review focuses on the cellular mechanisms and functional relevance of the cross talk between sphingolipids and redox signaling, which may be critically implicated in the pathogenesis of different renal diseases. Recent Advances: Reactive oxygen species (ROS) and sphingolipids can regulate cellular redox homeostasis through the regulation of NADPH oxidase, mitochondrial integrity, nitric oxide synthase (NOS), and antioxidant enzymes. Over the last two decades, there have been significant advancements in the field of sphingolipid research, and it was in 2010 for the first time that sphingolipid receptor modulator was exploited as a therapeutic in humans. The cross talk of sphingolipids with redox signaling pathways becomes an important mechanism in the development of many different diseases such as renal diseases. Critical Issues: The critical issues to be addressed in this review are how sphingolipids interact with the redox signaling pathway to regulate renal function and even result in chronic kidney diseases. Ceramide, sphingosine, and sphingosine-1-phosphate (S1P) as main signaling sphingolipids are discussed in more detail. Future Directions: Although sphingolipids and ROS may mediate or modulate cellular responses to physiological and pathological stimuli, more translational studies and mechanistic pursuit in a tissue- or cell-specific way are needed to enhance our understanding of this important topic and to develop effective therapeutic strategies to treat diseases associated with redox signaling and sphingolipid cross talk. Antioxid. Redox Signal. 28, 1008-1026.
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Affiliation(s)
- Owais M Bhat
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia
| | - Xinxu Yuan
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia
| | - Guangbi Li
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia
| | - RaMi Lee
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia
| | - Pin-Lan Li
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia
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Sandersen C, Mouithys-Mickalad A, de la Rebière G, Deby G, Serteyn D, Franck T. Modulating effects of acepromazine on the reactive oxygen species production by stimulated equine neutrophils. Vet Anaesth Analg 2011; 38:83-93. [DOI: 10.1111/j.1467-2995.2010.00583.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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