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Al-Naqeb G, Kalmpourtzidou A, De Giuseppe R, Cena H. Beneficial Effects of Plant Oils Supplementation on Multiple Sclerosis: A Comprehensive Review of Clinical and Experimental Studies. Nutrients 2023; 15:4827. [PMID: 38004221 PMCID: PMC10674509 DOI: 10.3390/nu15224827] [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: 10/23/2023] [Revised: 11/10/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
Multiple sclerosis disease (MS) is a 38.5 chronic neurological autoimmune disease that affects the nervous system, and its incidence is increasing globally. At present, there is no cure for this disease, and with its severity and disabling variety, it is important to search for possibilities that could help to slow its progression. It is recognized that the mechanisms of MS pathology, its development and degree of activity can be affected by dietary factors. In this review, the beneficial health effects of 10 plants oils-mainly seed oils, including pomegranate seed oil, sesame oil, acer truncatum bunge seed oil, hemp seeds oil, evening primrose seed oil, coconut oil, walnut oil, essential oil from Pterodon emarginatus seeds, flaxseed oil and olive oil-on MS are discussed. The literature data indicate that plant oils could be effective for the treatment of MS and its related symptoms primarily through reducing inflammation, promoting remyelination, immunomodulation and inhibiting oxidative stress. Plant oils may potentially reduce MS progression. Longitudinal research including a larger sample size with a longer duration is essential to confirm the findings from the selected plant oils. Moreover, new plant oils should be studied for their potential MS benefit.
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Affiliation(s)
- Ghanya Al-Naqeb
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (A.K.); (R.D.G.); (H.C.)
- Department of Food Sciences and Nutrition, Faculty of Agriculture Food and Environment, University of Sana’a, Sana’a P.O. Box 1247, Yemen
| | - Aliki Kalmpourtzidou
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (A.K.); (R.D.G.); (H.C.)
| | - Rachele De Giuseppe
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (A.K.); (R.D.G.); (H.C.)
| | - Hellas Cena
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (A.K.); (R.D.G.); (H.C.)
- Clinical Nutrition Unit, General Medicine, ICS Maugeri IRCCS, 27100 Pavia, Italy
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Guerra-Vázquez CM, Martínez-Ávila M, Guajardo-Flores D, Antunes-Ricardo M. Punicic Acid and Its Role in the Prevention of Neurological Disorders: A Review. Foods 2022; 11:252. [PMID: 35159404 PMCID: PMC8834450 DOI: 10.3390/foods11030252] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/14/2022] [Accepted: 01/14/2022] [Indexed: 02/06/2023] Open
Abstract
Millions of people worldwide are affected by neurodegenerative diseases (NDs). NDs are characterized by progressive damage and death of nerve cells accompanied by high levels of inflammatory biomarkers and oxidative stress conditions. Punicic acid, the main bioactive component of pomegranate (Punica granatum) seed oil, is an omega-5 isomer of conjugated α-linoleic acid that has shown strong anti-oxidative and anti-inflammatory effects that contributes towards its positive effect against a wide arrange of diseases. Punicic acid decreases oxidative damage and inflammation by increasing the expression of peroxisome proliferator-activated receptors. In addition, it can reduce beta-amyloid deposits formation and tau hyperphosphorylation by increasing the expression of GLUT4 protein and the inhibition of calpain hyperactivation. Microencapsulated pomegranate, with high levels of punicic acid, increases antioxidant PON1 activity in HDL. Likewise, encapsulated pomegranate formulations with high levels of punicic acid have shown an increase in the antioxidant PON1 activity in HDL. Because of the limited brain permeability of punicic acid, diverse delivery formulations have been developed to enhance the biological activity of punicic acid in the brain, diminishing neurological disorders symptoms. Punicic acid is an important nutraceutical compound in the prevention and treatment of neurodegenerative diseases such as Alzheimer's, Parkinson's, and Huntington's disease.
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Affiliation(s)
| | | | | | - Marilena Antunes-Ricardo
- Tecnológico de Monterrey, Centro de Biotecnología-FEMSA, Escuela de Ingeniería y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey C.P. 64849, NL, Mexico; (C.M.G.-V.); (M.M.-Á.); (D.G.-F.)
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Noureldein MH, Eid AA. Gut microbiota and mTOR signaling: Insight on a new pathophysiological interaction. Microb Pathog 2018; 118:98-104. [PMID: 29548696 DOI: 10.1016/j.micpath.2018.03.021] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/12/2018] [Indexed: 02/08/2023]
Abstract
The gut microbiota plays a substantial role in regulating the host metabolic and immune functions. Dysbiosis, resulting from disruption of gut microbiota, predisposes many morbid pathologies like obesity and its associated comorbidities, diabetes and inflammatory conditions including some types of cancer. There are numerous proposed signaling pathways through which alterations in gut microbiota and its metabolites can disturb the host's normal physiological functions. Interestingly, many of these processes happen to be controlled by the mammalian target of rapamycin (mTOR). The mTOR pathway responds to environmental changes and regulates accordingly many intracellular processes such as transcription, translation, cell growth, cytoskeletal organization and autophagy. In this review, we aim to highlight the cross-talk between the gut microbiota and the mTOR pathway and discuss how this emerging field of research gives a beautiful insight into how the mentioned cross-talk impacts the body's homeostasis thus leading to undesirable complications including obesity, diabetes, colon and pancreatic cancer, immune system malfunctioning and ageing. Although there are a limited number of studies investigating the crosstalk between the gut microbiota and the mTOR pathway, the results obtained so far are enough to elucidate the key role of the mTOR signaling in microbiota-associated metabolic and immune regulations.
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Affiliation(s)
- Mohamed H Noureldein
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon
| | - Assaad A Eid
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine and Medical Center, American University of Beirut, Beirut, Lebanon.
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Esposito G, Irons PC, Webb EC, Chapwanya A. Interactions between negative energy balance, metabolic diseases, uterine health and immune response in transition dairy cows. Anim Reprod Sci 2013; 144:60-71. [PMID: 24378117 DOI: 10.1016/j.anireprosci.2013.11.007] [Citation(s) in RCA: 325] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Revised: 10/29/2013] [Accepted: 11/17/2013] [Indexed: 11/28/2022]
Abstract
The biological cycles of milk production and reproduction determine dairying profitability thus making management decisions dynamic and time-dependent. Diseases also negatively impact on net earnings of a dairy enterprise. Transition cows in particular face the challenge of negative energy balance (NEB) and/or disproportional energy metabolism (fatty liver, ketosis, subacute, acute ruminal acidosis); disturbed mineral utilization (milk fever, sub-clinical hypocalcemia); and perturbed immune function (retained placenta, metritis, mastitis). Consequently NEB and reduced dry matter intake are aggravated. The combined effects of all these challenges are reduced fertility and milk production resulting in diminishing profits. Risk factors such as NEB, inflammation and impairment of the immune response are highly cause-and-effect related. Thus, managing cows during the transition period should be geared toward reducing NEB or feeding specially formulated diets to improve immunity. Given that all cows experience a reduced feed intake and body condition, infection and inflammation of the uterus after calving, there is a need for further research on the immunology of transition dairy cows. Integrative approaches at the molecular, cellular and animal level may unravel the complex interactions between disturbed metabolism and immune function that predispose cows to periparturient diseases.
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Affiliation(s)
- Giulia Esposito
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, South Africa; Department of Animal and Wildlife Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, South Africa; Institute of Food, Nutrition and Well-being (IFNuW), University of Pretoria, South Africa
| | - Pete C Irons
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, South Africa; Institute of Food, Nutrition and Well-being (IFNuW), University of Pretoria, South Africa
| | - Edward C Webb
- Department of Animal and Wildlife Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, South Africa; Institute of Food, Nutrition and Well-being (IFNuW), University of Pretoria, South Africa
| | - Aspinas Chapwanya
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, South Africa; Institute of Food, Nutrition and Well-being (IFNuW), University of Pretoria, South Africa.
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Pfeuffer M, Fielitz K, Laue C, Winkler P, Rubin D, Helwig U, Giller K, Kammann J, Schwedhelm E, Böger RH, Bub A, Bell D, Schrezenmeir J. CLA Does Not Impair Endothelial Function and Decreases Body Weight as Compared with Safflower Oil in Overweight and Obese Male Subjects. J Am Coll Nutr 2011; 30:19-28. [DOI: 10.1080/07315724.2011.10719940] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Golmanesh L, Mehrani H, Tabei M. Simple procedures for purification and stabilization of human serum paraoxonase-1. ACTA ACUST UNITED AC 2007; 70:1037-42. [PMID: 17928061 DOI: 10.1016/j.jbbm.2007.09.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2007] [Revised: 09/13/2007] [Accepted: 09/14/2007] [Indexed: 11/29/2022]
Abstract
Human paraoxonases-1 is one of the most important detoxifying enzymes. In this study using simple chromatographic procedures human paraoxonases-1 was purified from human pooled plasma. The enzyme was purified using DEAE Sephadex an anion exchanger and G-200 a gel filtration chromatographic media. Results showed a single band of approximately 43 KD proteins in SDS-PAGE, corresponding to the human PON1. Using paraoxon as the substrate the activity was related to the concentration of calcium and sodium ions (Km=1.2+/-0.2 mM). Phenyl acetate hydrolyzing activity was independent of sodium and calcium ions (Km=0.78+/-0.08 mM). Keeping at 25 degrees C for 20 days 75% of the enzyme original activity was restored in 20% (v/v) glycerol. EDTA and zinc chloride both inhibited the enzyme activity. In conclusion the applied procedures can be used for large scale purification. It would greatly facilitate their structural and functional characterization and permit examination of their weak, yet potentially most biologically relevant activities, in the complete absence of other serum proteins.
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Affiliation(s)
- Leila Golmanesh
- Departments of Biochemistry, Faculty of Medicine and Research center for Molecular Biology, Baqiyatallah Medical Sciences University, Tehran, Iran
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Choi JS, Koh IU, Jung MH, Song J. Effects of three different conjugated linoleic acid preparations on insulin signalling, fat oxidation and mitochondrial function in rats fed a high-fat diet. Br J Nutr 2007; 98:264-75. [PMID: 17408517 DOI: 10.1017/s000711450770497x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
To investigate the effects of three different conjugated linoleic acid (CLA) preparations containing different ratios of CLA isomers on insulin signalling, fatty acid oxidation and mitochondrial function, Sprague–Dawley rats were fed a high-fat diet either unsupplemented or supplemented with one of three CLA preparations at 1 % of the diet for 8 weeks. The first CLA preparation contained approximately 30 %cis-9,trans-11 (c9,t11)-CLA isomer and 40 %trans-10,cis-12 (t10,c12)-CLA isomer (CLA-mix). The other two preparations were an 80:20 mix (c9,t11-CLA-mix) or a 10:90 mix of two CLA isomers (t10,c12-CLA-mix). Insulin resistance was decreased in all three supplemented groups based on the results of homeostasis model assessment and the revised quantitative insulin-sensitivity check index. The phosphorylation of insulin receptor substrate-1 on serine decreased in the livers of all three supplemented groups, while subsequent Akt phosphorylation increased only in thet10,c12-CLA-mix group. Both thec9,t11-CLA-mix and thet10,c12-CLA-mix increased the expression of hepatic adiponectin receptors R1 and 2, which are thought to enhance insulin sensitivity and fat oxidation. Thec9,t11-CLA-mix increased protein and mRNA levels of PPARα, acyl-CoA oxidase and uncoupling protein, which are involved in fatty acid oxidation and energy dissipation. Thec9,t11-CLA-mix enhanced mitochondrial function and protection against oxidative stress by increasing the activities of cytochromecoxidase, manganese-superoxide dismutase, glutathione peroxidase, and glutathione reductase and the level of GSH. In conclusion, all three CLA preparations reduced insulin resistance. Among them, thec9,t11-CLA-mix was the most effective based on the parameters reflecting insulin resistance and fat oxidation, and mitochondrial antioxidative enzyme activity in the liver.
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Affiliation(s)
- Joo Sun Choi
- Division of Metabolic Diseases, Center for Biomedical Sciences, National Institute of Health, 194 Tongillo, Eunpyeong-gu, Seoul, 122-701, Korea
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Valeille K, Férézou J, Amsler G, Quignard-Boulangé A, Parquet M, Gripois D, Dorovska-Taran V, Martin JC. Acis-9,trans-11-conjugated linoleic acid-rich oil reduces the outcome of atherogenic process in hyperlipidemic hamster. Am J Physiol Heart Circ Physiol 2005; 289:H652-9. [PMID: 15778275 DOI: 10.1152/ajpheart.00130.2005] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Conjugated linoleic acid (CLA) mixtures demonstrated antiatherogenic properties in several animal models, including hamsters, but the mechanism of action of the main food-derived CLA isomer is unknown in this species. This study thus focused on cis-9, trans-11-CLA (rumenic acid), and its effect was compared with that of fish oil, which is known to influence several aspects of atherogenesis. Syrian hamsters were fed (for 12 wk) diets containing 20% (wt/wt) butter fat (B diet) or the same diet augmented with either 1% (wt/wt) of a cis-9, trans-11-CLA-rich oil (BR diet) or 1% (wt/wt) fish oil (BF diet). The BR diet induced the lowest aortic lipid deposition (from −30% to −45%) among the butter oil-fed hamsters. In this group, plasma also displayed a reduced non-HDL-to-HDL-cholesterol ratio (21% less than in the butter oil group) and inflammatory serum amyloid A levels (70–80%) and an improvement of anti-oxidized LDL paraoxonase activity (all P < 0.05). Compared with the B group, the beneficial effects of the BR diet could be further explained in part by preventing the high VCAM-1 expression rate, increasing (30%) ATP-binding cassette subfamily A1 expression in the aorta, and downregulating expression of inflammatory-related genes (TNF-α, IL-1β, and cyclooxygenase 2, 2- to 2.8-fold, P < 0.05). This effect was partly associated with an activation of peroxisome proliferator-activating receptor (PPAR)/liver X receptor (LXR)-α signaling cascade. Interestingly, activation of PPAR/LXR-α signaling was not observed in hamsters fed the BF diet, in which the early signs of atherogenesis were increased. In conclusion, this study demonstrated that milk fat-rich cis-9, trans-11-CLA reduces the atherogenic process in hyperlipidemic hamsters.
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Aharoni Y, Orlov A, Brosh A, Granit R, Kanner J. Effects of soybean oil supplementation of high forage fattening diet on fatty acid profiles in lipid depots of fattening bull calves, and their levels of blood vitamin E. Anim Feed Sci Technol 2005. [DOI: 10.1016/j.anifeedsci.2005.01.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Nguyen SD, Sok DE. Preferential inhibition of paraoxonase activity of human paraoxonase 1 by negatively charged lipids. J Lipid Res 2004; 45:2211-20. [PMID: 15375178 DOI: 10.1194/jlr.m400144-jlr200] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
To determine the causes responsible for a preferential decrease of paraoxonase activity, which has been observed in the serum of patients with cardiovascular diseases, the inactivation or inhibition of paraoxonase 1 (PON1) by various endogenous factors was examined using paraoxon or phenyl acetate as a substrate. When purified PON1 was incubated with various endogenous oxidants or aldehydes, they failed to cause a preferential reduction of paraoxonase activity, suggesting no participation of the inactivation mechanism in the preferential loss of paraoxonase activity. Next, when we examined the inhibition of PON1 activity by endogenous lipids, monoenoic acids such as palmitoleic acid or oleic acid inhibited paraoxonase activity preferentially, in contrast to a parallel inhibition of both activities by polyunsaturated or saturated acids. Noteworthy, oleoylglycine inhibited paraoxonase activity, but not arylesterase activity, complying with the selective inhibition of paraoxonase activity. Moreover, such a selective inhibition of paraoxonase activity was also expressed by lysophosphatidylglycerol or lysophosphatidylinositol, but not by lysophosphatidylserine or lysophosphatidylcholine, indicating the importance of the type of head group. Furthermore, such a preferential or selective inhibition of paraoxonase activity was also observed with PON1 associated with HDL or plasma. These data suggest that some negatively charged lipids may correspond to factors causing the preferential inhibition of paraoxonase activity of PON1.
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Affiliation(s)
- Su Duy Nguyen
- College of Pharmacy, Chungnam National University, Yuseong-Ku, Taejon 305-764, Korea
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Abstract
PURPOSE OF REVIEW The paraoxonase family consists of three members (PON1, PON2 and PON3) that share structural properties and enzymatic activities, among which is the ability to hydrolyze oxidized lipids in LDL. The exact function of the different family members is not clear although the conservation among the individual family members across species suggests a strong evolutionary pressure to preserve these functional differences. The purpose of this review is to highlight several problems with respect to the mechanism of action of paraoxonase and differences between the family members that merit further study. RECENT FINDINGS PON1 transgenic mice are at lower risk for atherosclerosis, which is consistent with PON1 gene knockout studies in mice and human genetic polymorphism studies. The exact mechanism by which paraoxonase is cardioprotective is not clear, although it is likely to be related to its antioxidant properties especially on LDL. PON1 levels are influenced by a variety of environmental factors, including statins and cytokines. The preferential association of PON1 with HDL is mediated in part by its signal peptide and by desorption from the plasma membrane of expressing cells by HDL or phospholipid. Apolipoprotein A-I is not necessary for PON1 association with HDL, but its activity is stabilized in the presence of the apolipoprotein. Only in the absence of both lecithin cholesterol acyltransferase and apolipoprotein E is paraoxonase associated with non-HDL lipoproteins. The displacement of paraoxonase by serum amyloid A may explain in part the proinflammatory nature of HDL in the acute phase. The mechanism by which PON3 associates with HDL has not been studied. In addition to the ability to hydrolyze oxidized lipids in LDL, paraoxonase also alters the oxidative state of macrophages. Exogenous PON1 is able to reverse the oxidative stress in macrophages in aged apolipoprotein E deficient and PON1 deficient mice. The increase in oxidative stress in macrophages from PON1 deficient mice occurs despite the expression of PON2 and PON3 in macrophages. PON1 has recently been shown to contain phospholipase A2 activity, with the subsequent release of lysophosphatidylcholine that influences macrophage cholesterol biosynthesis. SUMMARY PON1 mass and activity in the plasma significantly influence the risk of developing cardiovascular disease. This is likely mediated by its antioxidation properties on LDL and/or macrophages. The precise mechanism by which this HDL associated protein prevents or attenuates oxidation of LDL and the oxidative stress of macrophages remains to be clarified. The role of PON2 and PON3 in atherosclerosis and their antioxidant properties with respect to LDL and macrophages also merit further investigation.
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Affiliation(s)
- Godfrey S Getz
- Department of Pathology MC 1089, The University of Chicago, 5841 S. Maryland Avenue, Chicago, IL 60637, USA.
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