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Long-chain omega-3 polyunsaturated fatty acids (LC-PUFAs), known for having many health benefits, are usually present in three forms: triglycerides (TG), ethyl esters (EE), and phospholipid (PL). In this study, the effects of these three LC-PUFAs forms (fish oil for TG and EE, krill oil for PL) on the obese mice were compared, and the proteomic changes that focused on lipid metabolism were evaluated via label-free quantitative proteomics analysis. Compared with the model group, all three of the LC-PUFA form supplementations (labeled as the FO-TG group, FO-EE group and KO-PL groups) could significantly reduce body weight gain (P < 0.01). Low-density lipoprotein cholesterol levels were significantly decreased, whereas high-density lipoprotein cholesterol levels were significantly increased in the FO-TG group and FO-EE group (P < 0.01), and especially in the PL group (P < 0.001). Furthermore, proteomics analysis results suggested that some differentially expressed genes involved in the fatty acid degradation and oxidation pathways had a higher expression fold in the KO-PL group than in the FO-TG or FO-EE groups. Our results showed that dietary LC-PUFAs can reduce fat deposition and inhibit lipogenesis in the liver by upregulating the expression of proteins that are involved in the fatty acid degradation and oxidation pathways. Additionally, KO-PL elicits stronger effects than FO-TG or FO-EE.


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Comparative proteomic analysis reveals the effects of different fatty acid forms on high-fat diet mice

Show Author's information Jiaping Pana,b,1Huan Wanga,b,1Ye Lia( )Chenyang Lua
School of Marine Science, Ningbo University, Ningbo 315832, China
Collage of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China

1Authors contributed equally to this article.Peer review under responsibility of KeAi Communications Co., Ltd.]]>

Abstract

Long-chain omega-3 polyunsaturated fatty acids (LC-PUFAs), known for having many health benefits, are usually present in three forms: triglycerides (TG), ethyl esters (EE), and phospholipid (PL). In this study, the effects of these three LC-PUFAs forms (fish oil for TG and EE, krill oil for PL) on the obese mice were compared, and the proteomic changes that focused on lipid metabolism were evaluated via label-free quantitative proteomics analysis. Compared with the model group, all three of the LC-PUFA form supplementations (labeled as the FO-TG group, FO-EE group and KO-PL groups) could significantly reduce body weight gain (P < 0.01). Low-density lipoprotein cholesterol levels were significantly decreased, whereas high-density lipoprotein cholesterol levels were significantly increased in the FO-TG group and FO-EE group (P < 0.01), and especially in the PL group (P < 0.001). Furthermore, proteomics analysis results suggested that some differentially expressed genes involved in the fatty acid degradation and oxidation pathways had a higher expression fold in the KO-PL group than in the FO-TG or FO-EE groups. Our results showed that dietary LC-PUFAs can reduce fat deposition and inhibit lipogenesis in the liver by upregulating the expression of proteins that are involved in the fatty acid degradation and oxidation pathways. Additionally, KO-PL elicits stronger effects than FO-TG or FO-EE.

Keywords: LC-PUFAs, Fish oil, Krill oil, Label-free quantitative proteomics, Lipids metabolism

References(22)

[1]

P. Flachs, M. Rossmeisl, M. Bryhn, et al., Cellular and molecular effects of n-3 polyunsaturated fatty acids on adipose tissue biology and metabolism, Clin. Sci. 116 (2009) 1-16. https://doi.org/10.1042/CS20070456.

[2]

J. Dyerberg, P.H. Madsen, J.M. Møller, et al., Bioavailability of marine n-3 fatty acid formulations, Prostaglandins, Leukotrienes Essent. Fatty Acids. 83 (2010) 137-141. https://doi.org/10.1016/j.plefa.2010.06.007.

[3]

J. Neubronner, J.P. Schuchardt, G. Kressel, et al., Enhanced increase of omega-3 index in response to long-term n-3 fatty acid supplementation from triacylglycerides versus ethyl esters, Eur. J. Clin. Nutr. 65 (2011) 247-254. https://10.1038/ejcn.2010.239.

[4]

J.C. Gigliotti, M.P. Davenport, S.K. Beamer, et al., Extraction and characterization of lipids from Antarctic krill (Euphausia superba), Food Chem. 125 (2011) 1028-1036. https://doi.org/10.1016/j.foodchem.2010.10.013.

[5]

J.P. Schuchardt, I. Schneider, H. Meyer, et al., Incorporation of EPA and DHA into plasma phospholipids in response to different omega-3 fatty acid formulations - a comparative bioavailability study of fish oil vs. krill oil, Lipids Health Dis. 10 (2011) 145. https://10.1186/1476-511X-10-145.

[6]

H. Che, J. Cui, M. Wen, et al., Long-term effects of docosahexaenoic acid-bound phospholipids and the combination of docosahexaenoic acid-bound triglyceride and egg yolk phospholipid on lipid metabolism in mice, J. Ocean Univ. China 17 (2018) 392-398. https://doi.org/10.1007/s11802-018-3444-7.

[7]

J.H. Song, Y. Inoue, T. Miyazawa, Oxidative stability of docosahexaenoic acid-containing oils in the form of phospholipids, triacylglycerols, and ethyl esters, Biosci. Biotechnol. Biochem. 61(12) (1997) 2085-2088. https://doi.org/10.1271/bbb.61.2085.

[8]

L.D. Lawson, B.G. Hughes, Human absorption of fish oil fatty acids as triacylglyceroils, free acids, or ethyl esters, Biochem. Biophys. Res. Commun. 152(1) (1988) 328-335. https://doi.org/10.1016/s0006-291x(88)80718-6.

[9]

K. Yurko-Mauro, J. Kralovec, E. Bailey-Hall, et al., Similar eicosapentaenoic acid and docosahexaenoic acid plams levels achieved with fish oil or krill oil in a randomized double-blind four-week bioavailability study, Lipids Health Dis. 14 (2015) 99. https://doi.org/10.1186/s12944-015-0109-z.

[10]

D.B. Jump, S.D. Clarke, A. Thelen, et al., Dietary polyunsaturated fatty acid regulation of gene transcription, Annu. Rev. Nutr. 14 (1994) 83-98. https://doi.org/10.1016/s0163-7827(96)00007-0.

[11]

I. Niot, H. Poirier, P.H. Besnard, Regulation of gene expression by fatty acids, special reference to fatty acid-binding protein (FABP), Biochimie. 79(2/3) (1997) 129-133. https://doi.org/10.1016/s0300-9084(97)81504-0.

[12]

X. Liu, J. Cui, Z. Li, et al., Comparative study of DHA-enriched phospholipids and EPA-enriched phospholipids on metabolic disorders in diet-induced-obese C57BL/6J mice, Eur. J. Lipid Sci. Technol. 116(3) (2014) 255-265. https://doi.org/10.1002/ejlt.201300407.

[13]

S.D. Clarke, D.B. Jump, Polyunsaturated fatty acid regulation of hepatic gene transcription, Lipids 31 (1996) 7-11. https://doi.org/10.1007/BF02637044.

[14]

S. Schmidt, J. Willers, F. Stahl, et al., Regulation of lipid metabolism-related gene expression in whole blood cells of normo-and dyslipodemic men after fish oil supplementation, Lipids Health Dis. 11 (2012) 172. https://doi.org/10.1186/1476-511X-11-172.

[15]

P. Flachs, O. Horakova, P. Brauner, et al., Polyunsaturated fatty acids of marine origin upregulate mitochondrial biogenensis and induce β-oxidation in white fat, Diabetologia. 48 (2005) 2365-2375. https://doi.org/10.1007/s00125-005-1944-7.

[16]

M. Schrader, J. Costello, L.F. Godinho, et al., Peroxisome-mitochondria interplay and disease, J. Inherited Metab. Dis. 38(4) (2015) 681-702. https://doi.org/10.1007/s10545-015-9819-7.

[17]

V. Ruipérez, F. Darios, B. Davletov, Alpha-synuclein, lipids and Parkinson's disease, Prog. Lipid Res. 49 (2010) 420-428. https://doi.org/10.1016/j.plipres.2010.05.004.

[18]
A.E. Leonard, S.L. Pereira, H. Sprecher, et al., Elongation of long-chain fatty acids, Prog. Lipid Res. 43(1) (2004) 36-54. https://doi.org/10/1016/S0163-782(03)00040-7.
[19]

D.C. Zeldin, Epoxygenase pathways of arachidonic acid metabolism, J. Biol. Chem. 276(39) (2001) 36059-36062. https://doi.org/10.1074/jbc.R100030200.

[20]

B. Staels, J. Dallongeville, J. Auwerx, et al., Mechanism of action of fibrates on lipid and lipoprotein metabolism, Circulation 98 (1998) 2088-2093. https://doi.org/10.1161/01.CIR.98.19.2088.

[21]

G.C. Shearer, O.V. Savinova, W.S. Harris, Fish oil - how does it reduce plasma triglycerides? Biochim. Biophys. Acta. 5 (2012) 843-851. https://doi.org/10.1016/j.bbalip.2011.10.011.

[22]

R. Schnitzer-Polokoff, D. Compton, G. Boykow, et al., Effects of acyl-CoA: cholesterol O-acyltransferase inhibition on cholesterol absorption and plasma lipoprotein composition in hamsters, Comp. Biochem. Physiol. Part A Mol. Integr. Physiol. 99(4) (1991) 665-670. https://doi.org/10.1016/0300-9629(91)90147-5.

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Publication history

Received: 22 April 2020
Revised: 12 October 2020
Accepted: 13 October 2020
Published: 25 November 2021
Issue date: March 2022

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© 2022 Beijing Academy of Food Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.

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Acknowledgements

This work was supported by the Regional Demonstration Project of Marine Economic Innovation and Development (2013 and 2016), National Natural Science Foundation of China (31800117), and the K. C. Wong Magna Fund offered by the Ningbo University.

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This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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