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Lopes FBTP, Schlatzer D, Li M, Yilmaz S, Wang R, Qi X, Ayati M, Koyutürk M, Chance MR. Methionine Sulfoxide Speciation in Mouse Hippocampus Revealed by Global Proteomics Exhibits Age- and Alzheimer's Disease-Dependent Changes Targeted to Mitochondrial and Glycolytic Pathways. Int J Mol Sci 2024; 25:6516. [PMID: 38928221 PMCID: PMC11203694 DOI: 10.3390/ijms25126516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/07/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024] Open
Abstract
Methionine oxidation to the sulfoxide form (MSox) is a poorly understood post-translational modification of proteins associated with non-specific chemical oxidation from reactive oxygen species (ROS), whose chemistries are linked to various disease pathologies, including neurodegeneration. Emerging evidence shows MSox site occupancy is, in some cases, under enzymatic regulatory control, mediating cellular signaling, including phosphorylation and/or calcium signaling, and raising questions as to the speciation and functional nature of MSox across the proteome. The 5XFAD lineage of the C57BL/6 mouse has well-defined Alzheimer's and aging states. Using this model, we analyzed age-, sex-, and disease-dependent MSox speciation in the mouse hippocampus. In addition, we explored the chemical stability and statistical variance of oxidized peptide signals to understand the needed power for MSox-based proteome studies. Our results identify mitochondrial and glycolytic pathway targets with increases in MSox with age as well as neuroinflammatory targets accumulating MSox with AD in proteome studies of the mouse hippocampus. Further, this paper establishes a foundation for reproducible and rigorous experimental MSox-omics appropriate for novel target identification in biological discovery and for biomarker analysis in ROS and other oxidation-linked diseases.
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Affiliation(s)
- Filipa Blasco Tavares Pereira Lopes
- Center for Proteomics and Bioinformatics, Department of Nutrition, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (F.B.T.P.L.); (D.S.); (M.K.)
| | - Daniela Schlatzer
- Center for Proteomics and Bioinformatics, Department of Nutrition, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (F.B.T.P.L.); (D.S.); (M.K.)
| | - Mengzhen Li
- Department of Computer and Data Sciences, Case School of Engineering, Case Western Reserve University, Cleveland, OH 44106, USA; (M.L.); (S.Y.)
| | - Serhan Yilmaz
- Department of Computer and Data Sciences, Case School of Engineering, Case Western Reserve University, Cleveland, OH 44106, USA; (M.L.); (S.Y.)
| | - Rihua Wang
- Center for Mitochondrial Diseases, Department of Physiology & Biophysics, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (R.W.); (X.Q.)
| | - Xin Qi
- Center for Mitochondrial Diseases, Department of Physiology & Biophysics, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (R.W.); (X.Q.)
| | - Marzieh Ayati
- Department of Computer Science, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA;
| | - Mehmet Koyutürk
- Center for Proteomics and Bioinformatics, Department of Nutrition, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (F.B.T.P.L.); (D.S.); (M.K.)
- Department of Computer and Data Sciences, Case School of Engineering, Case Western Reserve University, Cleveland, OH 44106, USA; (M.L.); (S.Y.)
| | - Mark R. Chance
- Center for Proteomics and Bioinformatics, Department of Nutrition, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (F.B.T.P.L.); (D.S.); (M.K.)
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Methionine strengthens anti-inflammation of rice protein via depressing NF-κB activation and stimulating Msr expression in rats fed cholesterol-enriched diets. Food Sci Biotechnol 2022; 31:745-758. [PMID: 35646410 PMCID: PMC9133292 DOI: 10.1007/s10068-022-01074-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 11/04/2022] Open
Abstract
Oxidized low-density lipoprotein (ox-LDL) is an inducer of inflammation. To elucidate the link of depression of ox-LDL accumulation and anti-inflammatory function of rice protein (RP) whether dependent on methionine availability, growing and adult rats were fed RP and methionine-supplemented RP (RM) under cholesterol-enriched dietary condition. After two weeks feeding, RP and RMs exerted the anti-inflammatory effects through up-regulating IL-10, while RP and RMs significantly reduced ox-LDL levels and effectively suppressed the expressions of inflammatory mediators (COX-2, IL-1β, IL-6, TNF-α, iNOS). The anti-inflammatory molecular mechanism was to inhibit NF-κB activation and to simulate methionine sulfoxide reductase expression. Results showed, under cholesterol-enriched dietary condition, the anti-inflammatory action can be induced by RP and enhanced by methionine in growing and adult rats. The present study reveals a link of the decreased ox-LDL accumulation with the anti-inflammatory function of RP, which is dependent on methionine availability and independent of dietary cholesterol.
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Wang Z, Liang M, Li H, Liu B, Yang L. Rice protein suppresses 4-hydroxy-2-nonenal-induced inflammation owing to methionine availability. Appl Physiol Nutr Metab 2022; 47:826-838. [PMID: 35390263 DOI: 10.1139/apnm-2021-0575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
4-Hydroxy-2-nonenal (HNE) is one of the most important products of lipid peroxidation which induces inflammation. In order to investigate the effect of rice protein (RP) on suppressing HNE-induced inflammation and the role of methionine in regulating the anti-inflammatory function of RP, Wistar rats (male, weighing180-200 g) were ad libitum fed either a pellet diet with oral administration of methionine or ad libitum fed RP for two weeks. RP and methionine significantly reduced HNE levels and effectively suppressed the expressions of cyclooxygenase-2, tumor necrosis factor alpha, interleukin (IL)-1β, IL-6, and inducible nitric oxide synthase. The anti-inflammatory action of RP was evident from the upregulation of IL-10 and glutathione S-transferase, which played a role in the detoxification of HNE. The results show that the molecular mechanism responsible for the anti-inflammatory function of RP is the inhibition of nuclear factor-κB activation by the downregulation of protein kinase B/phosphoinositide 3 kinase. Further, this study demonstrates that methionine availability contributes to the suppression of HNE-induced inflammation through up-regulating IL-10 and GST in rats fed RP. Novelty: RP suppresses HNE-induced inflammation. Met plays a role in up-regulating IL-10 and GST. Met availability regulates the inhibition of NF-κB by RP.
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Affiliation(s)
- Zhengxuan Wang
- Harbin Institute of Technology, 47822, Harbin, Heilongjiang, China;
| | - Mingcai Liang
- Harbin Institute of Technology, 47822, Harbin, Heilongjiang, China;
| | - Hui Li
- Harbin Institute of Technology, 47822, Harbin, Heilongjiang, China;
| | - Bingxiao Liu
- Harbin Institute of Technology, 47822, Harbin, Heilongjiang, China;
| | - Lin Yang
- Harbin Institute of Technology, 47822, Department of Food Science and Engineering, 92 West Dazhi Street, Harbin, Heilongjiang, China, 150001;
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