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Soler-Cantero A, Jové M, Cacabelos D, Boada J, Naudí A, Romero MP, Cassanyé A, Serrano JCE, Arola L, Valls J, Bellmunt MJ, Prat J, Pamplona R, Portero-Otin M, Motilva MJ. Plant-derived phenolics inhibit the accrual of structurally characterised protein and lipid oxidative modifications. PLoS One 2012; 7:e43308. [PMID: 22952663 PMCID: PMC3430685 DOI: 10.1371/journal.pone.0043308] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 07/23/2012] [Indexed: 11/18/2022] Open
Abstract
Epidemiological data suggest that plant-derived phenolics beneficial effects include an inhibition of LDL oxidation. After applying a screening method based on 2,4-dinitrophenyl hydrazine-protein carbonyl reaction to 21 different plant-derived phenolic acids, we selected the most antioxidant ones. Their effect was assessed in 5 different oxidation systems, as well as in other model proteins. Mass-spectrometry was then used, evidencing a heterogeneous effect on the accumulation of the structurally characterized protein carbonyl glutamic and aminoadipic semialdehydes as well as for malondialdehyde-lysine in LDL apoprotein. After TOF based lipidomics, we identified the most abundant differential lipids in Cu(++)-incubated LDL as 1-palmitoyllysophosphatidylcholine and 1-stearoyl-sn-glycero-3-phosphocholine. Most of selected phenolic compounds prevented the accumulation of those phospholipids and the cellular impairment induced by oxidized LDL. Finally, to validate these effects in vivo, we evaluated the effect of the intake of a phenolic-enriched extract in plasma protein and lipid modifications in a well-established model of atherosclerosis (diet-induced hypercholesterolemia in hamsters). This showed that a dietary supplement with a phenolic-enriched extract diminished plasma protein oxidative and lipid damage. Globally, these data show structural basis of antioxidant properties of plant-derived phenolic acids in protein oxidation that may be relevant for the health-promoting effects of its dietary intake.
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Affiliation(s)
- Arantza Soler-Cantero
- Departament of Food Technology, CeRTA-TPV, Escola Tècnica Superior d′ Enginyeria Agrària, Universitat de Lleida, Lleida, Spain
| | - Mariona Jové
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Daniel Cacabelos
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Jordi Boada
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Alba Naudí
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Maria-Paz Romero
- Departament of Food Technology, CeRTA-TPV, Escola Tècnica Superior d′ Enginyeria Agrària, Universitat de Lleida, Lleida, Spain
| | - Anna Cassanyé
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - José C. E. Serrano
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Lluis Arola
- Department of Biochemistry and Biotechnology, Nutrigenomic Research Group, Universitat Rovira i Virgili, Tarragona, Spain
| | | | - Maria Josep Bellmunt
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Joan Prat
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Reinald Pamplona
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
| | - Manuel Portero-Otin
- NUTREN-Nutrigenomics Center, Department of Experimental Medicine, Parc Científic i Tecnològic Agroalimentari de Lleida-Universitat de Lleida-IRBLLEIDA, Lleida, Spain
- * E-mail: (MPO); (MJM)
| | - Maria-José Motilva
- Departament of Food Technology, CeRTA-TPV, Escola Tècnica Superior d′ Enginyeria Agrària, Universitat de Lleida, Lleida, Spain
- * E-mail: (MPO); (MJM)
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