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Kobayashi Y, Watanabe N, Hiura R, Kubota M, Furuta K, Sugimoto K, Murota K, Nakamura E, Matsuura T, Kai K, Inui T, Kitakaze T, Harada N, Yamaji R. Transport Form and Pathway from the Intestine to the Peripheral Tissues and the Intestinal Absorption and Metabolism Properties of Oleamide. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15499-15508. [PMID: 36458736 DOI: 10.1021/acs.jafc.2c06791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This study aimed to obtain information on the transport form and pathway from the intestine to the peripheral tissues and on the intestinal absorption and metabolism properties of oleamide (cis-9-octadecenamide). Oleamide was primarily transported via the portal vein. Density gradient centrifugation indicated that plasma oleamide was enriched in the fractions containing albumin in the portal and peripheral blood. Oleamide formed a complex with albumin in an endothermic reaction (apparent Kd = 4.4 μM). The CD36 inhibitor inhibited the oleamide uptake into the intestinal epithelial Caco-2 cells, and oleamide decreased the cell surface CD36 level. The fatty acid amide hydrolase (FAAH) inhibitor increased the transepithelial transport of oleamide across Caco-2 cells and the plasma oleamide concentration in mice intragastrically administered with oleamide. These results indicate that oleamide is transported primarily via the portal vein as a complex with albumin. Furthermore, we suggest that oleamide is taken up via CD36 in the small intestine and degraded intracellularly by FAAH.
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Affiliation(s)
- Yasuyuki Kobayashi
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Natsumi Watanabe
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Reina Hiura
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Mai Kubota
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Kousuke Furuta
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
| | - Keiichiro Sugimoto
- Research and Development Center, Nagaoka Co., Ltd., Ibaraki, Osaka 5670005, Japan
- Center for Research and Development of Bioresources, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Kaeko Murota
- Department of Life Sciences, Faculty of Life and Environmental Sciences, Shimane University, Matsue, Shimane 6908504, Japan
| | - Eri Nakamura
- Department of Innovative Food Sciences, School of Food Sciences and Nutrition, Mukogawa Women's University, Nishinomiya, Hyogo 6638558, Japan
| | - Toshiki Matsuura
- Department of Innovative Food Sciences, School of Food Sciences and Nutrition, Mukogawa Women's University, Nishinomiya, Hyogo 6638558, Japan
| | - Kenji Kai
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Takashi Inui
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Tomoya Kitakaze
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Naoki Harada
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
| | - Ryoichi Yamaji
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 5998531, Japan
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
- Center for Research and Development of Bioresources, Osaka Metropolitan University, Sakai, Osaka 5998531, Japan
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Ahmed N, Kermanshahi B, Ghazani SM, Tait K, Tcheng M, Roma A, Callender SP, Smith RW, Tam W, Wettig SD, Rogers MA, Marangoni AG, Spagnuolo PA. Avocado-derived polyols for use as novel co-surfactants in low energy self-emulsifying microemulsions. Sci Rep 2020; 10:5566. [PMID: 32221368 PMCID: PMC7101315 DOI: 10.1038/s41598-020-62334-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 03/09/2020] [Indexed: 12/20/2022] Open
Abstract
Avocado (Persea americana Mill.; Lauraceae) seed-derived polyhydroxylated fatty alcohols (PFAs) or polyols (i.e., avocadene and avocadyne) are metabolic modulators that selectively induce apoptosis of leukemia stem cells and reverse pathologies associated with diet-induced obesity. Delivery systems containing avocado polyols have not been described. Herein, natural surface active properties of these polyols are characterized and incorporated into self-emulsifying drug delivery systems (SEDDS) that rely on molecular self-assembly to form fine, transparent, oil-in-water (O/W) microemulsions as small as 20 nanometers in diameter. Mechanistically, a 1:1 molar ratio of avocadene and avocadyne (i.e., avocatin B or AVO was shown to be a eutectic mixture which can be employed as a novel, bioactive, co-surfactant that significantly reduces droplet size of medium-chain triglyceride O/W emulsions stabilized with polysorbate 80. In vitro cytotoxicity of avocado polyol-SEDDS in acute myeloid leukemia cell lines indicated significant increases in potency and bioactivity compared to conventional cell culture delivery systems. A pilot pharmacokinetic evaluation of AVO SEDDS in C57BL/6J mice revealed appreciable accumulation in whole blood and biodistribution in key target tissues. Lastly, incorporation of AVO in SEDDS significantly improved encapsulation of the poorly water-soluble drugs naproxen and curcumin.
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Affiliation(s)
- Nawaz Ahmed
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | - Behnoush Kermanshahi
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | - Saeed M Ghazani
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | - Katrina Tait
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | - Matthew Tcheng
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | - Alessia Roma
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | - Shannon P Callender
- School of Pharmacy, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Richard W Smith
- University of Waterloo Mass Spectrometry Facility, Department of Chemistry, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - William Tam
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Shawn D Wettig
- School of Pharmacy, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
- Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Ave. W., Waterloo, Ontario, N2L 3G1, Canada
| | - Michael A Rogers
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada
| | | | - Paul A Spagnuolo
- Department of Food Science, University of Guelph, Guelph, Ontario, N1G 2WI, Canada.
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Poquet L, Wooster TJ. Infant digestion physiology and the relevance of in vitro biochemical models to test infant formula lipid digestion. Mol Nutr Food Res 2017; 60:1876-95. [PMID: 27279140 DOI: 10.1002/mnfr.201500883] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 03/05/2016] [Accepted: 05/31/2016] [Indexed: 01/30/2023]
Abstract
Lipids play an important role in the diet of preterm and term infants providing a key energy source and essential lipid components for development. While a lot is known about adult lipid digestion, our understanding of infant digestion physiology is still incomplete, the greatest gap being on the biochemistry of the small intestine, particularly the activity and relative importance of the various lipases active in the intestine. The literature has been reviewed to identify the characteristics of lipid digestion of preterm and term infants, but also to better understand the physiology of the infant gastrointestinal tract compared to adults that impacts the absorption of lipids. The main differences are a higher gastric pH, submicellar bile salt concentration, a far more important role of gastric lipases as well as differences at the level of the intestinal barrier. Importantly, the consequences of improper in vitro replication of gastric digestions conditions (pH and lipase specificity) are demonstrated using examples from the most recent of studies. It is true that some animal models could be adapted to study infant lipid digestion physiology, however the ethical relevance of such models is questionable, hence the development of accurate in vitro models is a must. In vitro models that combine up to date knowledge of digestion biochemistry with intestinal cells in culture are the best choice to replicate digestion and absorption in infant population, this would allow the adaptation of infant formula for a better digestion and absorption of dietary lipids by preterm and term infants.
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Affiliation(s)
- Laure Poquet
- Nestlé Research Center, Vers-Chez-Les-Blanc, Lausanne 26, Switzerland
| | - Tim J Wooster
- Nestlé Research Center, Vers-Chez-Les-Blanc, Lausanne 26, Switzerland
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Plasma levels, tissue distribution, and excretion of radioactivity after single-dose administration of ((3)H)-oleic acid added to D-004, a lipid extract of the fruit of Roystonea regia, in rats. Curr Ther Res Clin Exp 2014; 67:406-19. [PMID: 24678113 DOI: 10.1016/j.curtheres.2006.12.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/03/2006] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND D-004, a lipid extract of the fruit of Roystonea regia, contains a mixture of fatty acids-mainly oleic, lauric, palmitic, and myristic acids, with oleic acid being among the most abundant-that has been found to reduce the risk for prostatic hyperplasia (PH) induced with testosterone (T) in rats. The pharmacokinetic profile of D-004 has not been reported. OBJECTIVE The objective of this study in rats was to assess plasma levels, tissue distribution, and excretion of total radioactivity (TR) after single-dose administration of oral D-004 radiolabeled with ((3)H)-oleic acid, as a surrogate for the pharmacokinetics of D-004. METHODS This experimental study was conducted at the Pharmacology Department, Center of Natural Products, National Center for Scientific Research, Havana, Cuba. Single doses of suspensions of ((3)H)-oleic acid 0.16 μCi/mg mixed with D-004 400 mg/kg (radioactive dose/animal 7.2 μCi) were given orally to male Wistar rats weighing 150 to 200 g assigned to the treated or control group. Three rats were euthanized at each of the following times: 0.25, 0.5, 1, 1.5, 2, 4, 8, 24, 48, 72, 96, and 144 hours after study drug administration. After administration, the rats euthanized at the last experimental time point were housed individually in metabolism cages. Urine and feces samples were collected daily. At each time point, blood samples were drawn and plasma samples were obtained using centrifugation. After euthanization, tissue samples (liver, lungs, spleen, brain, kidneys, adipose tissue, muscle, stomach, small and large intestines, adrenal glands, heart, testes, prostate, and seminal vesicles) were quickly removed, washed, blotted, and homogenized. Plasma (100 μL), tissue aliquots (100 mg), feces (10 mg), and urine (100μL) were dissolved and TR was measured. Samples were assayed in duplicate. Results were expressed in μgEq of radio-labeled oleic acid per milliliter of plasma or urine or gram of tissue or feces. Plasma, tissue, feces, and urine samples of rats that did not receive ((3)H)-oleic acid were used as controls. Excretion was expressed as the percentage of the radioactivity excreted via each route with respect to the total radioactive dose administered to each rat. RESULTS A total of 50 rats were included in the experiment (mean age, 4 weeks; mean weight, 310 g). Absorption was rapid; mean Cmax was 195.56 (31.12) μgEq/mL, and mean Tmax was 2 hours. Thereafter, a biphasic decay of TR was found: a rapid first phase (t1/2α, 1.33 hours), followed by a slower second elimination phase (t1/2β, 36.07 hours). Radioactivity was rapidly and broadly distributed throughout the tissues, with more accumulating in the prostate than elsewhere. In the first 8 hours, accumulation of TR was greatest in the prostate, followed by the liver, small intestine, and plasma. Subsequently, TR increased in the small intestine, while it decreased in the liver and plasma. In contrast, over the periods of 24 and 144 hours after administration, TR increased in the adipose tissue, while it decreased in the other tissues and plasma. During those intervals, TR was greatest in the prostate, followed by adipose tissue. Mean peak radioactivity in the prostate (562.41 μgEq/g) was reached at 4 hours and decreased slowly thereafter. The prostate had the highest values of t1/2β and cumulative AUC compared with the other tissues and plasma. Mean (SD) TR was similar in feces (33.48% [4.90%]) and urine (28.96% [5.32%]), with total excretion being 62.40% (5.90%) of the administered dose. CONCLUSIONS In this experimental study, after single-dose administration of oral D-004 radiolabeled with ((3)H)-oleic acid in rats, TR was rapidly and widely distributed across the tissues, with the prostate having the highest accumulation of radioactivity. Excretion of TR was limited, with similar amounts being excreted in feces and urine. The broad distribution of radiolabeled oleic acid and/or its metabolites suggests (SD) pharmacokinetic rationale for the effectiveness of D-004 in reducing the risk for PH induced with T in rats.
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Gonçalves P, Araújo JR, Martel F. Characterization of Butyrate Uptake by Nontransformed Intestinal Epithelial Cell Lines. J Membr Biol 2011; 240:35-46. [DOI: 10.1007/s00232-011-9340-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2010] [Accepted: 01/02/2011] [Indexed: 10/18/2022]
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MIYATA M, KOYAMA T, YAZAWA K. Water Extract of Houttuynia cordata Thunb. Leaves Exerts Anti-Obesity Effects by Inhibiting Fatty Acid and Glycerol Absorption. J Nutr Sci Vitaminol (Tokyo) 2010; 56:150-6. [DOI: 10.3177/jnsv.56.150] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Murota K, Storch J. Uptake of micellar long-chain fatty acid and sn-2-monoacylglycerol into human intestinal Caco-2 cells exhibits characteristics of protein-mediated transport. J Nutr 2005; 135:1626-30. [PMID: 15987840 DOI: 10.1093/jn/135.7.1626] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Long-chain fatty acid and sn-2-monoacylglycerol (2-MG) are the digestive products of dietary triacylglycerol (TG) hydrolysis. Although fatty acid uptake into the enterocyte has been examined widely, less is known about 2-MG uptake, and few studies have mimicked the physiologic conditions present in the postprandial situation. In this study, the cellular uptake of oleic acid and 2-monoolein, presented in taurocholate micellar solution, was examined in human intestinal Caco-2 cells to model the postprandial intestinal milieu. Initial uptake of oleic acid and 2-MG displayed a saturable function of their monomer concentrations, suggesting that fatty acid and 2-MG uptake may be protein-mediated processes at low unbound concentrations of lipid. The initial rate of oleate uptake was faster and the apparent Km was lower than values for 2-MG. Unlabeled oleic acid and, to a lesser extent, unlabeled 2-MG, inhibited the uptakes of both [3H]oleic acid and [3H]2-monoolein, suggesting competitive uptake. The nonphysiologic isomer sn-1-MG had effects similar to 2-MG, whereas the intermediate digestive product, diacylglycerol (DG), did not inhibit either oleate or 2-monoolein uptake. These results suggest that in the postprandial state, fatty acid and 2-MG derived from dietary TG are transported into the enterocyte, at least in part, via a protein-mediated pathway that is shared by both lipids, but not by the intermediate digestive product, DG.
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Affiliation(s)
- Kaeko Murota
- Department of Nutritional Sciences, Cook College, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA
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Murota K, Matsui N, Kawada T, Takahashi N, Fushuki T. Inhibitory effect of monoacylglycerol on fatty acid uptake into rat intestinal epithelial cells. Biosci Biotechnol Biochem 2001; 65:1441-3. [PMID: 11471752 DOI: 10.1271/bbb.65.1441] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We investigated the influence of glycerol esters on oleic acid uptake into IEC-6 cells. Monoolein, especially 2-monoacylglycerol, significantly inhibited the cellular uptake. Although diolein slightly inhibited the oleic acid uptake, triolein, glycerol and monooctanoate had no effect. These results suggest that after lipid digestion in the intestine, long-chain fatty acid uptake may be influenced by another digestive product, 2-monoacylglycerol.
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Affiliation(s)
- K Murota
- Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Japan
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