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Paluchova V, Cajka T, Durand T, Vigor C, Dodia C, Chatterjee S, Fisher AB, Kuda O. The role of peroxiredoxin 6 in biosynthesis of FAHFAs. Free Radic Biol Med 2022; 193:787-794. [PMID: 36403738 DOI: 10.1016/j.freeradbiomed.2022.11.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/09/2022] [Indexed: 11/20/2022]
Abstract
Peroxiredoxin 6 (Prdx6) is a multifunctional enzyme, a unique member of the peroxiredoxin family, with an important role in antioxidant defense. Moreover, it has also been linked with the biosynthesis of anti-inflammatory and anti-diabetic lipids called fatty acid esters of hydroxy fatty acids (FAHFAs) and many diseases, including cancer, inflammation, and metabolic disorders. Here, we performed metabolomic and lipidomic profiling of subcutaneous adipose tissue from mouse models with genetically modified Prdx6. Deletion of Prdx6 resulted in reduced levels of FAHFAs containing 13-hydroxylinoleic acid (13-HLA). Mutation of Prdx6 C47S impaired the glutathione peroxidase activity and reduced FAHFA levels, while D140A mutation, responsible for phospholipase A2 activity, showed only minor effects. Targeted analysis of oxidized phospholipids and triacylglycerols in adipocytes highlighted a correlation between FAHFA and hydroxy fatty acid production by Prdx6 or glutathione peroxidase 4. FAHFA regioisomer abundance was negatively affected by the Prdx6 deletion, and this effect was more pronounced in longer and more unsaturated FAHFAs. The predicted protein model of Prdx6 suggested that the monomer-dimer transition mechanism might be involved in the repair of longer-chain peroxidized phospholipids bound over two monomers and that the role of Prdx6 in FAHFA synthesis might be restricted to branching positions further from carbon 9. In conclusion, our work linked the peroxidase activity of Prdx6 with the levels of FAHFAs in adipose tissue.
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Affiliation(s)
- Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague 4, Czech Republic; First Faculty of Medicine, Charles University, Katerinska 32, Prague, 12108, Czech Republic
| | - Tomas Cajka
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague 4, Czech Republic
| | - Thierry Durand
- Institut des Biomolecules Max Mousseron, CNRS, ENSCM, University Montpellier, 34093, Montpellier, France
| | - Claire Vigor
- Institut des Biomolecules Max Mousseron, CNRS, ENSCM, University Montpellier, 34093, Montpellier, France
| | - Chandra Dodia
- Institute for Environmental Medicine of the Department of Physiology, University of Pennsylvania, 3620 Hamilton Walk, 1 John Morgan Building, USA
| | - Shampa Chatterjee
- Institute for Environmental Medicine of the Department of Physiology, University of Pennsylvania, 3620 Hamilton Walk, 1 John Morgan Building, USA
| | - Aron B Fisher
- Institute for Environmental Medicine of the Department of Physiology, University of Pennsylvania, 3620 Hamilton Walk, 1 John Morgan Building, USA
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague 4, Czech Republic.
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Brejchova K, Paluchova V, Brezinova M, Cajka T, Balas L, Durand T, Krizova M, Stranak Z, Kuda O. Triacylglycerols containing branched palmitic acid ester of hydroxystearic acid (PAHSA) are present in the breast milk and hydrolyzed by carboxyl ester lipase. Food Chem 2022; 388:132983. [PMID: 35486985 DOI: 10.1016/j.foodchem.2022.132983] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/24/2022] [Accepted: 04/12/2022] [Indexed: 11/29/2022]
Abstract
Breast milk is a complex mixture containing underexplored bioactive lipids. We performed an observational case-control study to compare the impact of delivery mode: caesarean section (CS) and vaginal birth (VB); and term (preterm and term delivery) on the levels of lipokines in human milk at different stages of lactation. Metabolomic analysis of the milk identified triacylglycerol estolides as a metabolic reservoir of the anti-inflammatory lipid mediator 5-palmitic acid ester of hydroxystearic acid (5-PAHSA). We found that triacylglycerol estolides were substrates of carboxyl ester lipase and 5-PAHSA-containing lipids were the least preferred substrates among tested triacylglycerol estolide isomers. This explained exceptionally high colostrum levels of 5-PAHSA in the VB group. CS and preterm birth negatively affected colostrum lipidome, including 5-PAHSA levels, but the lipidomic profiles normalized in mature milk. Mothers delivering term babies vaginally produce colostrum rich in 5-PAHSA, which could contribute to the prevention of intestinal inflammation in newborns.
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Affiliation(s)
- Kristyna Brejchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Praha 4, Czech Republic
| | - Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Praha 4, Czech Republic; First Faculty of Medicine, Charles University, Katerinska 1660/32, 12108 Praha, Czech Republic
| | - Marie Brezinova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Praha 4, Czech Republic; First Faculty of Medicine, Charles University, Katerinska 1660/32, 12108 Praha, Czech Republic
| | - Tomas Cajka
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Praha 4, Czech Republic
| | - Laurence Balas
- Institut des Biomolecules Max Mousseron, University Montpellier, CNRS, ENSCM, Montpellier, France
| | - Thierry Durand
- Institut des Biomolecules Max Mousseron, University Montpellier, CNRS, ENSCM, Montpellier, France
| | - Marcela Krizova
- Institute for the Care of Mother and Child, Prague, Czech Republic
| | - Zbynek Stranak
- Institute for the Care of Mother and Child, Prague, Czech Republic
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Praha 4, Czech Republic.
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Riecan M, Paluchova V, Lopes M, Brejchova K, Kuda O. Branched and linear fatty acid esters of hydroxy fatty acids (FAHFA) relevant to human health. Pharmacol Ther 2021; 231:107972. [PMID: 34453998 DOI: 10.1016/j.pharmthera.2021.107972] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 12/13/2022]
Abstract
Fatty acid esters of hydroxy fatty acids (FAHFAs) represent a complex lipid class that contains both signaling mediators and structural components of lipid biofilms in humans. The majority of endogenous FAHFAs share a common chemical architecture, characterized by an estolide bond that links the hydroxy fatty acid (HFA) backbone and the fatty acid (FA). Two structurally and functionally distinct FAHFA superfamilies are recognized based on the position of the estolide bond: omega-FAHFAs and in-chain branched FAHFAs. The existing variety of possible HFAs and FAs combined with the position of the estolide bond generates a vast quantity of unique structures identified in FAHFA families. In this review, we discuss the anti-diabetic and anti-inflammatory effects of branched FAHFAs and the role of omega-FAHFA-derived lipids as surfactants in the tear film lipid layer and dry eye disease. To emphasize potential pharmacological targets, we recapitulate the biosynthesis of the HFA backbone within the superfamilies together with the degradation pathways and the FAHFA regioisomer distribution in human and mouse adipose tissue. We propose a theoretical involvement of cytochrome P450 enzymes in the generation and degradation of saturated HFA backbones and present an overview of small-molecule inhibitors used in FAHFA research. The FAHFA lipid class is huge and largely unexplored. Besides the unknown biological effects of individual FAHFAs, also the enigmatic enzymatic machinery behind their synthesis could provide new therapeutic approaches for inflammatory metabolic or eye diseases. Therefore, understanding the mechanisms of (FA)HFA synthesis at the molecular level should be the next step in FAHFA research.
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Affiliation(s)
- Martin Riecan
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Veronika Paluchova
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Magno Lopes
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Kristyna Brejchova
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic
| | - Ondrej Kuda
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague 4, Czech Republic.
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Brejchova K, Radner F, Balas L, Paluchova V, Cajka T, Chodounska H, Kudová E, Schratter M, Schreiber R, Durand T, Zechner R, Kuda O. Distinct roles of adipose triglyceride lipase and hormone‐sensitive lipase in the catabolism of triacylglycerol estolides. FASEB J 2021. [DOI: 10.1096/fasebj.2021.35.s1.00199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kristyna Brejchova
- Laboratory of Metabolism of Bioactive LipidsInstitute of Physiology, The Czech Academy of SciencesPrague
| | - Franz Radner
- Institute of Molecular Biosciences, University of GrazGraz
| | - Laurence Balas
- Faculté de PharmacieInstitut des Biomolécules Max MousseronMontpellier
| | - Veronika Paluchova
- Laboratory of Metabolism of Bioactive LipidsInstitute of Physiology, The Czech Academy of SciencesPrague
| | - Tomas Cajka
- Laboratory of Translational MetabolismInstitute of Physiology, The Czech Academy of SciencesPrague
| | - Hana Chodounska
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of SciencesPrague
| | - Eva Kudová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of SciencesPrague
| | | | | | - Thierry Durand
- Faculté de PharmacieInstitut des Biomolécules Max MousseronMontpellier
| | - Rudolf Zechner
- Institute of Molecular Biosciences, University of GrazGraz
| | - Ondrej Kuda
- Laboratory of Metabolism of Bioactive LipidsInstitute of Physiology, The Czech Academy of SciencesPrague
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Brejchova K, Balas L, Paluchova V, Brezinova M, Durand T, Kuda O. Understanding FAHFAs: From structure to metabolic regulation. Prog Lipid Res 2020; 79:101053. [PMID: 32735891 DOI: 10.1016/j.plipres.2020.101053] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/19/2020] [Indexed: 01/01/2023]
Abstract
The discovery of branched fatty acid esters of hydroxy fatty acids (FAHFAs) in humans draw attention of many researches to their biological effects. Although FAHFAs were originally discovered in insects and plants, their introduction into the mammalian realm opened new horizons in bioactive lipid research. Hundreds of isomers from different families have been identified so far and their role in (patho) physiological processes is currently being explored. The family of palmitic acid esters of hydroxy stearic acids (PAHSAs), especially 5-PAHSA and 9-PAHSA regioisomers, stands out in the crowd of other FAHFAs for their anti-inflammatory and anti-diabetic effects. Beneficial effects of PAHSAs have been linked to metabolic disorders such as type 1 and type 2 diabetes, colitis, and chronic inflammation. Besides PAHSAs, a growing family of polyunsaturated FAHFAs exerts mainly immunomodulatory effects and biological roles of many other FAHFAs remain currently unknown. Therefore, FAHFAs represent unique lipid messengers capable of affecting many immunometabolic processes. The objective of this review is to summarize the knowledge concerning the diversity of FAHFAs, nomenclature, and their analysis and detection. Special attention is paid to the total syntheses of FAHFAs, optimal strategies, and to the formation of the stereocenter required for optically active molecules. Biosynthetic pathways of saturated and polyunsaturated FAHFAs in mammals and plants are reviewed together with their metabolism and degradation. Moreover, an overview of biological effects of branched FAHFAs is provided and many unanswered questions regarding FAHFAs are discussed.
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Affiliation(s)
- Kristyna Brejchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Laurence Balas
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Université Montpellier, ENSCM, Faculté de Pharmacie, Montpellier, France
| | - Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Marie Brezinova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Université Montpellier, ENSCM, Faculté de Pharmacie, Montpellier, France
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic.
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Benlebna M, Balas L, Bonafos B, Pessemesse L, Vigor C, Grober J, Bernex F, Fouret G, Paluchova V, Gaillet S, Landrier JF, Kuda O, Durand T, Coudray C, Casas F, Feillet-Coudray C. Long-term high intake of 9-PAHPA or 9-OAHPA increases basal metabolism and insulin sensitivity but disrupts liver homeostasis in healthy mice. J Nutr Biochem 2020; 79:108361. [DOI: 10.1016/j.jnutbio.2020.108361] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 01/24/2020] [Accepted: 02/10/2020] [Indexed: 12/13/2022]
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Paluchova V, Vik A, Cajka T, Brezinova M, Brejchova K, Bugajev V, Draberova L, Draber P, Buresova J, Kroupova P, Bardova K, Rossmeisl M, Kopecky J, Hansen TV, Kuda O. Triacylglycerol-Rich Oils of Marine Origin are Optimal Nutrients for Induction of Polyunsaturated Docosahexaenoic Acid Ester of Hydroxy Linoleic Acid (13-DHAHLA) with Anti-Inflammatory Properties in Mice. Mol Nutr Food Res 2020; 64:e1901238. [PMID: 32277573 DOI: 10.1002/mnfr.201901238] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/23/2020] [Indexed: 12/22/2022]
Abstract
SCOPE The docosahexaenoic acid ester of hydroxy linoleic acid (13-DHAHLA) is a bioactive lipid with anti-inflammatory properties from the family of fatty acid esters of hydroxy fatty acids (FAHFA). METHODS AND RESULTS To explore the biosynthesis of 13-DHAHLA from dietary oils, C57BL/6N mice are gavaged for 8 days with various corn oil/marine oil mixtures containing the same amount of DHA. Plasma levels of omega-3 FAHFAs are influenced by the lipid composition of the mixtures but do not reflect the changes in bioavailability of polyunsaturated fatty acids in plasma. Triacylglycerol-bound DHA and linoleic acid serve as more effective precursors for 13-DHAHLA synthesis than DHA bound in phospholipids or wax esters. Both 13(S)- and 13(R)-DHAHLA inhibit antigen and PGE2 -induced chemotaxis and degranulation of mast cells to a comparable extent and 13(S)-DHAHLA is identified as the predominant isomer in mouse adipose tissue. CONCLUSION Here, the optimal nutritional source of DHA is identified, which supports production of anti-inflammatory FAHFAs, as triacylglycerol-based marine oil and also reveals a possible role of triacylglycerols in the synthesis of FAHFA lipokines.
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Affiliation(s)
- Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Anders Vik
- Department of Pharmacy, Section for Pharmaceutical Chemistry, University of Oslo, PO Box 1068, Blindern, Oslo, N-0316, Norway
| | - Tomas Cajka
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Marie Brezinova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Kristyna Brejchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Viktor Bugajev
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Lubica Draberova
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Petr Draber
- Laboratory of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Jana Buresova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Petra Kroupova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Kristina Bardova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Martin Rossmeisl
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Jan Kopecky
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
| | - Trond Vidar Hansen
- Department of Pharmacy, Section for Pharmaceutical Chemistry, University of Oslo, PO Box 1068, Blindern, Oslo, N-0316, Norway
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, Prague, 14220, Czech Republic
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Paluchova V, Oseeva M, Brezinova M, Cajka T, Bardova K, Adamcova K, Zacek P, Brejchova K, Balas L, Chodounska H, Kudova E, Schreiber R, Zechner R, Durand T, Rossmeisl M, Abumrad NA, Kopecky J, Kuda O. Lipokine 5-PAHSA Is Regulated by Adipose Triglyceride Lipase and Primes Adipocytes for De Novo Lipogenesis in Mice. Diabetes 2020; 69:300-312. [PMID: 31806624 PMCID: PMC7118252 DOI: 10.2337/db19-0494] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 11/30/2019] [Indexed: 12/18/2022]
Abstract
Branched esters of palmitic acid and hydroxystearic acid (PAHSA) are anti-inflammatory and antidiabetic lipokines that connect glucose and lipid metabolism. We aimed to characterize involvement of the 5-PAHSA regioisomer in the adaptive metabolic response of white adipose tissue (WAT) to cold exposure (CE) in mice, exploring the cross talk between glucose utilization and lipid metabolism. CE promoted local production of 5- and 9-PAHSAs in WAT. Metabolic labeling of de novo lipogenesis (DNL) using 2H2O revealed that 5-PAHSA potentiated the effects of CE and stimulated triacylglycerol (TAG)/fatty acid (FA) cycling in WAT through impacting lipogenesis and lipolysis. Adipocyte lipolytic products were altered by 5-PAHSA through selective FA re-esterification. The impaired lipolysis in global adipose triglyceride lipase (ATGL) knockout mice reduced free PAHSA levels and uncovered a metabolite reservoir of TAG-bound PAHSAs (TAG estolides) in WAT. Utilization of 13C isotope tracers and dynamic metabolomics documented that 5-PAHSA primes adipocytes for glucose metabolism in a different way from insulin, promoting DNL and impeding TAG synthesis. In summary, our data reveal new cellular and physiological mechanisms underlying the beneficial effects of 5-PAHSA and its relation to insulin action in adipocytes and independently confirm a PAHSA metabolite reservoir linked to ATGL-mediated lipolysis.
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Affiliation(s)
- Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Marina Oseeva
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Marie Brezinova
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Tomas Cajka
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Kristina Bardova
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Katerina Adamcova
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Petr Zacek
- Proteomics Core Facility, Faculty of Science, Charles University, Division BIOCEV, Vestec, Czech Republic
| | - Kristyna Brejchova
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Laurence Balas
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Université Montpellier, and Faculté de Pharmacie, ENSCM, Montpellier, France
| | - Hana Chodounska
- Neurosteroids, Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Eva Kudova
- Neurosteroids, Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - Renate Schreiber
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Rudolf Zechner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, Université Montpellier, and Faculté de Pharmacie, ENSCM, Montpellier, France
| | - Martin Rossmeisl
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Nada A Abumrad
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Jan Kopecky
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
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Oseeva M, Paluchova V, Zacek P, Janovska P, Mracek T, Rossmeisl M, Hamplova D, Cadova N, Stohanzlova I, Flachs P, Kopecky J, Kuda O. Omega-3 index in the Czech Republic: No difference between urban and rural populations. Chem Phys Lipids 2019; 220:23-27. [PMID: 30797755 DOI: 10.1016/j.chemphyslip.2019.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/04/2019] [Accepted: 02/20/2019] [Indexed: 12/15/2022]
Abstract
Naturally occurring long-chain omega-3 PUFA such as eicosapentaenoic acid (EPA; 20:5 ω-3) and docosahexaenoic acid (DHA; 22:6 ω-3) exert multiple effects on health, which are related to the intake of these lipids in the diet and correlate with the levels of omega-3 PUFA in the body. These levels are reflected by the omega-3 PUFA index, i.e. the EPA and DHA content as % of all fatty acids in red blood cells. The aim of this study was to evaluate omega-3 index in the Czech Republic, using blood samples collected from the capital city (n = 476) and the rural region (n = 388). The mean omega-3 index was 3.56 mol % with a maximal value of 8.10% and a minimal value of 1.12%. There was no difference in the index value between rural and urban / industrial regions, but this value was higher in subjects who reported eating fish or omega-3 PUFA supplements. In conclusion, the results indicated suboptimal values of the omega-3 index in the Czech population independent of the sampling region.
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Affiliation(s)
- Marina Oseeva
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic; Charles University in Prague, Faculty of Science, Department of Analytical Chemistry, Albertov 2030, 12843, Prague, Czech Republic
| | - Veronika Paluchova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic
| | - Petr Zacek
- Proteomics Core Facility, Faculty of Science, Charles University, Division BIOCEV, Prumyslova 595, 25250, Vestec, Czech Republic
| | - Petra Janovska
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic
| | - Tomas Mracek
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic
| | - Martin Rossmeisl
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic
| | - Dana Hamplova
- Institute of Sociology of the Czech Academy of Sciences, Jilská 1, 11000, Prague, Czech Republic
| | - Nadezda Cadova
- Institute of Sociology of the Czech Academy of Sciences, Jilská 1, 11000, Prague, Czech Republic
| | - Iva Stohanzlova
- Institute of Sociology of the Czech Academy of Sciences, Jilská 1, 11000, Prague, Czech Republic
| | - Pavel Flachs
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic
| | - Jan Kopecky
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic.
| | - Ondrej Kuda
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 14220, Prague, Czech Republic.
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