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Little M, Achouba A, Ayotte P, Lemire M. Emerging evidence on selenoneine and its public health relevance in coastal populations: a review and case study of dietary Se among Inuit populations in the Canadian Arctic. Nutr Res Rev 2025; 38:171-180. [PMID: 38327212 DOI: 10.1017/s0954422424000039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Selenium is an essential mineral yet both deficiency and excess are associated with adverse health effects. Dietary intake of Se in humans varies greatly between populations due to food availability, dietary preferences, and local geological and ecosystem processes impacting Se accumulation into agricultural products and animal populations. We argue there is a need to evaluate and reconsider the relevance of public health recommendations on Se given recent evidence, including the metabolic pathways and health implications of Se. This argument is particularly pertinent for Inuit populations in Northern Canada, who often exceed dietary tolerable upper intake levels and exhibit very high whole blood Se concentrations due to their dependence on local country foods high in the newly discovered Se compound, selenoneine. Since selenoneine appears to have lower toxicity compared to other Se species and does not contribute to the circulating pools of Se for selenoprotein synthesis, we argue that total dietary Se or total Se in plasma or whole blood are poor indicators of Se adequacy for human health in these populations. Overall, this review provides an overview of the current evidence of Se speciation, deficiency, adequacy, and excess and implications for human health and dietary recommendations, with particular reference to Inuit populations in the Canadian Arctic and other coastal populations consuming marine foods.
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Affiliation(s)
- Matthew Little
- School of Public Health and Social Policy, University of Victoria, Victoria, BCV8P 5C2, Canada
| | - Adel Achouba
- Axe santé des populations et pratiques optimales en Santé, Centre de Recherche du CHU de Québec, Hôpital du Saint-Sacrement, 1050, chemin Sainte-Foy, Québec, G1S 4L8, Canada
| | - Pierre Ayotte
- Axe santé des populations et pratiques optimales en Santé, Centre de Recherche du CHU de Québec, Hôpital du Saint-Sacrement, 1050, chemin Sainte-Foy, Québec, G1S 4L8, Canada
- Département de Médecine Sociale et Préventive, Université Laval, Pavillon Ferdinand-Vandry, Québec, G1V 0A6, Canada
- Centre de Toxicologie du Québec, Institut national de santé publique du Québec (INSPQ), 945 Avenue Wolfe, Quebec, G1V 5B3, Canada
| | - Mélanie Lemire
- Axe santé des populations et pratiques optimales en Santé, Centre de Recherche du CHU de Québec, Hôpital du Saint-Sacrement, 1050, chemin Sainte-Foy, Québec, G1S 4L8, Canada
- Département de Médecine Sociale et Préventive, Université Laval, Pavillon Ferdinand-Vandry, Québec, G1V 0A6, Canada
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Marchán-Moreno C, Queipo-Abad S, Corns WT, Bueno M, Pannier F, Amouroux D, Fontagné-Dicharry S, Pedrero Z. Assessment of dietary Selenium and its role in Mercury fate in cultured fish rainbow trout with two sustainable aquafeeds. Food Chem 2024; 447:138865. [PMID: 38461719 DOI: 10.1016/j.foodchem.2024.138865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 02/07/2024] [Accepted: 02/25/2024] [Indexed: 03/12/2024]
Abstract
This study enhances the current limited understanding of the interaction between mercury (Hg) and selenium (Se) species in fish. Rainbow trout (Oncorhynchus mykiss), a model aquaculture fish, was exposed to Hg and Se species through controlled dietary conditions. Over a 6-month feeding trial, the impact of dietary Se on Hg bioaccumulation in fish, including flesh, brain, and liver, was tracked. Twelve dietary conditions were tested, including plant-based diets (0.25 µgSe g-1) and tuna byproduct diets (0.25 µgHg g-1, 8.0 µgSe g-1) enriched with methylmercury and/or Se as selenite or selenomethionine. The tuna byproduct diet resulted in lower Hg levels than the plant-based diets, with muscle Hg content below the European Commission's safe threshold. This study highlights the significant impact of specific Se compounds in the diet, particularly from tuna-based aquafeed, on Hg bioaccumulation. These promising results provide a strong recommendation for future use of fisheries byproducts in sustainable aquafeeds.
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Affiliation(s)
- Claudia Marchán-Moreno
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - Silvia Queipo-Abad
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - Warren T Corns
- PS Analytical, Arthur House, Crayfields Industrial Estate, Main Road, Orpington, Kent BR5 3HP, UK
| | - Maite Bueno
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - Florence Pannier
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | - David Amouroux
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France
| | | | - Zoyne Pedrero
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, Pau, France.
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Marchán-Moreno C, Louvat P, Bueno M, Berail S, Corns WT, Cherel Y, Bustamante P, Amouroux D, Pedrero Z. First-Time Isotopic Characterization of Seleno-Compounds in Biota: A Pilot Study of Selenium Isotopic Composition in Top Predator Seabirds. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024. [PMID: 39018327 DOI: 10.1021/acs.est.4c02319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/19/2024]
Abstract
This study pioneers the reporting of Se isotopes in marine top predators and represents the most extensive Se isotopic characterization in animals to date. A methodology based on hydride generation─multicollector inductively coupled plasma mass spectrometry─was established for such samples. The study was conducted on various internal organs of giant petrels (Macronectes spp.), encompassing bulk tissues (δ82/78Sebulk), distinct Se-specific fractions such as selenoneine (δ82/78SeSEN), and HgSe nanoparticles (δ82/78SeNPs). The δ82/78Sebulk results (2.0-5.6‰) offer preliminary insights into the fate of Se in key internal organs of seabirds, including the liver, the kidneys, the muscle, and the brain. Notably, the liver of all individuals was enriched in heavier Se isotopes compared to other examined tissues. In nanoparticle fraction, δ82/78Se varies significantly across individuals (δ82/78SeNPs from 0.6 to 5.7‰, n = 8), whereas it exhibits remarkable consistency among tissues and individuals for selenoneine (δ82/78SeSEN, 1.7 ± 0.3‰, n = 8). Significantly, there was a positive correlation between the shift from δ82/78Sebulk to δ82/78SeSEN and the proportion of Se present as selenoneine in the internal organs. This pilot study proves that Se species-specific isotopic composition is a promising tool for a better understanding of Se species fate, sources, and dynamics in animals.
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Affiliation(s)
- Claudia Marchán-Moreno
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie Pour l'Environnement et les Matériaux, Pau 64000, France
| | - Pascale Louvat
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie Pour l'Environnement et les Matériaux, Pau 64000, France
| | - Maite Bueno
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie Pour l'Environnement et les Matériaux, Pau 64000, France
| | - Sylvain Berail
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie Pour l'Environnement et les Matériaux, Pau 64000, France
| | - Warren T Corns
- PS Analytical, Arthur House, Crayfields Industrial Estate, Main Road, Orpington BR5 3HP, Kent, U.K
| | - Yves Cherel
- Centre d'Etudes Biologiques de Chizé, UMR 7372 du CNRS─La Rochelle Université, Villiers-en-Bois 79360, France
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 La Rochelle Université-CNRS, 2 Rue Olympe de Gouges, La Rochelle 17000, France
| | - David Amouroux
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie Pour l'Environnement et les Matériaux, Pau 64000, France
| | - Zoyne Pedrero
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie Pour l'Environnement et les Matériaux, Pau 64000, France
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Seko T, Sato Y, Kuniyoshi M, Murata Y, Ishihara K, Yamashita Y, Fujiwara S, Ueda T, Yamashita M. Distribution and Effects of Selenoneine by Ingestion of Extract from Mackerel Processing Residue in Mice. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2023; 25:1020-1030. [PMID: 37819466 DOI: 10.1007/s10126-023-10256-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/02/2023] [Indexed: 10/13/2023]
Abstract
Selenoneine is an organic selenium compound contained in blood and dark muscle of fish. It has a strong antioxidative capacity and is considered useful as a new functional food material. However, the distribution and effects of selenoneine in the mammalian body have not been thoroughly examined. In this study, a selenoneine-rich mackerel extract was developed and fed to mice at 0.07% in standard rodent chow (ME diet) for 32 days to examine its distribution in the body. Selenoneine was distributed in the liver, kidney, and spleen in mice fed with mackerel extract, but it was not distributed in the plasma or erythrocytes. Moreover, concentrations of the major selenium-containing protein were not affected by the mackerel extract. The results of this study suggest that selenoneine is absorbed in the body following ingestion of low doses in crude material and preferentially accumulates in organs and later distributes in erythrocytes. Biochemical analyses of plasma in male mice showed that the glucose level was significantly increased and LDL-cholesterol level was significantly decreased by ME diet feeding. The results indicate that male mice are sensitive to ME diet.
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Affiliation(s)
- Takuya Seko
- Fisheries Technology Institute, National Research and Development Agency, Yokohama, Kanagawa, 236-8648, Japan.
| | - Yoko Sato
- Fisheries Technology Institute, National Research and Development Agency, Yokohama, Kanagawa, 236-8648, Japan
| | - Michiko Kuniyoshi
- Fisheries Technology Institute, National Research and Development Agency, Yokohama, Kanagawa, 236-8648, Japan
| | - Yuko Murata
- Fisheries Technology Institute, National Research and Development Agency, Yokohama, Kanagawa, 236-8648, Japan
| | - Kenji Ishihara
- Fisheries Technology Institute, National Research and Development Agency, Yokohama, Kanagawa, 236-8648, Japan
| | - Yumiko Yamashita
- Fisheries Technology Institute, National Research and Development Agency, Yokohama, Kanagawa, 236-8648, Japan
| | | | - Tomohiro Ueda
- Coastal Regional Development Bureau, Iwate Prefectural Government, Kamaishi, Iwate, 026-0043, Japan
| | - Michiaki Yamashita
- Department of Food Science and Technology, National Fisheries University, Yamaguchi, 759-6595, Japan
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Shimokawa Y, Abe K, Ohura M, Yamamoto M, Ando H, Tohfuku T, Yamashita M, Kondo M. Nutritional Supplementation and Enhanced Antioxidant Function by Dietary Intake of Selenoneine and Other Selenium Compounds in Red Seabream Pagrus major. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2023; 25:683-690. [PMID: 37462899 PMCID: PMC10665234 DOI: 10.1007/s10126-023-10215-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 05/09/2023] [Indexed: 10/20/2023]
Abstract
Selenoneine, 2-selenyl-Nα, Nα, Nα-trimethyl-L-histidine, is the major organic selenium compound in marine fish. To characterize biological antioxidant function of selenoneine in fish, the accumulation of selenoneine and other selenium compounds, i. e., sodium selenite and selenomethionine, in the muscle and other tissues of red seabream. We reared red seabream by feeding of 1% dry pellet containing of sodium selenite, selenomethionine, or selenoneine of body weight twice a day for 4 weeks. After that, we replaced to 1% of normal commercial dry pellet of body weight twice a day for 1 week from the selenium supplementation, and tissue distribution of total selenium was determined. Selenium supplementation with selenoneine, selenomethionine, and sodium selenite enhanced selenium accumulation in the white muscle, kidney, and hepatopancreas in comparison with the control group. By the dietary intake of selenoneine, total selenium concentrations were increased in the white muscle, heart, kidney, spleen, hepatopancreas, brain, and blood cells in a dose-dependent manner during the trials after 2 weeks. Dietary intake of selenoneine as well as sodium selenite and selenomethionine reduced oxidation-reduction potential (ORP). Selenoneine concentrations in the white muscle and blood cells were accumulated for 4 weeks by the selenoneine intake, whereas selenoneine concentration was not elevated by the intake of selenomethionine and sodium selenite, suggesting that tissue selenoneine levels might be derived from only selenoneine-containing diet. The uptake factor of selenoneine from the artificial feed containing selenoneine was calculated to be 0.0062 in the white muscle and 4.0 in the blood. The half-life of total selenium in the blood cells and white muscle were estimated to be 60 days in the white muscle and 30 days in the blood.
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Affiliation(s)
- Yutaro Shimokawa
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
| | - Kanako Abe
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
| | - Mami Ohura
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
| | - Manae Yamamoto
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
| | - Hitoshi Ando
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
| | - Takuma Tohfuku
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
| | | | - Masakazu Kondo
- National Fisheries University, Shimonoseki, Yamaguchi, 759-6595, Japan
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Cordell GA, Lamahewage SNS. Ergothioneine, Ovothiol A, and Selenoneine-Histidine-Derived, Biologically Significant, Trace Global Alkaloids. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092673. [PMID: 35566030 PMCID: PMC9103826 DOI: 10.3390/molecules27092673] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/15/2022] [Accepted: 04/16/2022] [Indexed: 11/16/2022]
Abstract
The history, chemistry, biology, and biosynthesis of the globally occurring histidine-derived alkaloids ergothioneine (10), ovothiol A (11), and selenoneine (12) are reviewed comparatively and their significance to human well-being is discussed.
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Affiliation(s)
- Geoffrey A. Cordell
- Natural Products Inc., Evanston, IL 60202, USA
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA
- Correspondence:
| | - Sujeewa N. S. Lamahewage
- Department of Chemistry, Iowa State University, Ames, IA 50011, USA;
- Department of Chemistry, University of Ruhuna, Matara 81000, Sri Lanka
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