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Hang NTM, Giap TH, Thanh LN, Hong DD, Thu NTH, Van Minh C. Chemical Constituents of Microalgae Tetraselmis convolutae. Chem Nat Compd 2019. [DOI: 10.1007/s10600-019-02817-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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2
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Nalder TD, Marshall S, Pfeffer FM, Barrow CJ. Characterisation of lipase fatty acid selectivity using novel omega-3 pNP-acyl esters. J Funct Foods 2014. [DOI: 10.1016/j.jff.2013.10.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Morimoto T, Nagatsu A, Murakami N, Sakakibara J, Tokuda H, Nishino H, Iwashima A. Anti-tumour-promoting glyceroglycolipids from the green alga, Chlorella vulgaris. PHYTOCHEMISTRY 1995; 40:1433-1437. [PMID: 8534400 DOI: 10.1016/0031-9422(95)00458-j] [Citation(s) in RCA: 84] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Two new monogalactosyl diacylglycerols were isolated from the freshwater green alga, Chlorella vulgaris, as anti-tumour promoters, together with three monogalactosyl diacylglycerols and two digalactosyl diacylglycerols. The new monogalactosyl diacylglycerol containing (7Z,10Z)-hexadecadienoic acid showed a more potent inhibitory effect toward tumour promotion than the other glycerolipids isolated.
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Affiliation(s)
- T Morimoto
- Faculty of Pharmaceutical Sciences, Nagoya City University, Japan
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Berdeaux O, Vatèle JM, Eynard T, Nour M, Poullain D, Noël JP, Sébédio JL. Synthesis of (9Z,12E)- and (9E,12Z)-[1-14C]linoleic acid and (5Z,8Z,11Z,14E)-[1-14C]arachidonic ácid. Chem Phys Lipids 1995. [DOI: 10.1016/0009-3084(95)02486-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Vatèle JM, Doan HD, Fenet B, Chardigny JM, Sébédio JL. Synthesis of methyl (5Z, 8Z, 11E, 14Z, 17Z)- and (5Z, 8Z, 11E, 14Z, 17E)-eicosapentaenoate (EPA Δ 11t and Δ11t, 17t). Chem Phys Lipids 1995. [DOI: 10.1016/0009-3084(95)02485-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Synthesis of (9Z,12Z,15E)- and (9E,12Z,15Z)-octadecatrienoic acids and their [1-14C]-radiolabelled analogs. Chem Phys Lipids 1994. [DOI: 10.1016/0009-3084(94)90058-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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7
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S. Todd J, Proteau PJ, H. Gerwick W. Egregiachlorides A-C: New chlorinated oxylipins from the marine brown alga Egregia menziesii. Tetrahedron Lett 1993. [DOI: 10.1016/s0040-4039(00)61540-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Proteau PJ, Gerwick WH. Divinyl ethers and hydroxy fatty acids from three species of Laminaria (brown algae). Lipids 1993; 28:783-7. [PMID: 8231653 DOI: 10.1007/bf02536231] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Three species of brown algae, Laminaria sinclairii, L. saccharina and L. setchellii, have been investigated for the presence of oxylipins. From one, L. sinclairii, three new divinyl ether fatty acids have been characterized as methyl ester derivatives (methyl 12-[1'(Z),3'(Z)-hexadienyloxy]-6(Z), 9(Z),11(E)-dodecatrienoate, methyl 12-[1'(Z),3'(Z)-hexadienyloxy]-9(Z), 11(E)-dodecadienoate, and methyl 14-[1'(Z),3'(Z)-hexadienyloxy]- 5(Z),8(Z),11(Z),13(E)-tetradecatetraenoate) by a variety of spectroscopic methods. In addition, one new [13(S)-hydroxy-6(Z),9(Z),11(E),15(Z)-octadecatetraenoic acid] and four known monohydroxy polyunsaturated fatty acids have been isolated from all three species as their methyl ester derivatives. The occurrence of these compounds in brown algae strongly suggests that these organisms possess an active lipoxygenase(s) with omega 6 specificity.
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Affiliation(s)
- P J Proteau
- College of Pharmacy, Oregon State University, Corvallis 97331
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Large-scale preparation of linoleic acid-d2-enriched triglycerides fromCrepis alpinaseed oil. J AM OIL CHEM SOC 1993. [DOI: 10.1007/bf02542609] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Proteau PJ, Gerwick WH. Cymathere ethers A and B: Bicyclic oxylipins from the marine brown alga Cymathere triplicata. Tetrahedron Lett 1992. [DOI: 10.1016/s0040-4039(00)60092-8] [Citation(s) in RCA: 22] [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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11
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Alternate pathways in the desaturation and chain elongation of linolenic acid, 18:3(n-3), in cultured glioma cells. J Lipid Res 1991. [DOI: 10.1016/s0022-2275(20)41956-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Adlof RO, Rakoff H, Emken EA. Preparation of deuterium-labelled methyl linoleate and its geometric isomers from natural seed oils. J AM OIL CHEM SOC 1991. [DOI: 10.1007/bf02657681] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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A new eicosapentaenoic acid formed from arachidonic acid in the coralline red algaeBossiella orbigniana. Lipids 1991. [DOI: 10.1007/bf02544012] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Moghaddam MF, Gerwick WH, Ballantine DL. Discovery of the mammalian insulin release modulator, hepoxilin B3, from the tropical red algae Platysiphonia miniata and Cottoniella filamentosa. J Biol Chem 1990. [DOI: 10.1016/s0021-9258(19)39301-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Solem ML, Jiang ZD, Gerwick WH. Three new and bioactive icosanoids from the temperate red marine alga Farlowia mollis. Lipids 1989; 24:256-60. [PMID: 2547132 DOI: 10.1007/bf02535159] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Three new dihydroxyicosanoids, 12(R),13(R)-dihydroxyicosa-5(Z),8(Z),10(E),14(Z)-tetraenoic acid, 12(R),13(R)-dihydroxyicosa-5(Z),8(Z),10(E),14(Z),17(Z)-pentaeno ic acid and 10(R*),11(R*)-dihydroxyoctadeca-6(Z),8(E),12(Z)-trienoic acid, have been isolated from a previously unstudied temperate red marine alga, Farlowia mollis (Cryptonemiales, Rhodophyta). The structures of these new metabolites have been deduced from detailed nuclear magnetic resonance and mass spectrometry analyses on stabilized diacetate-methyl esters and stereochemistry deduced by 1H NMR couplings and CD analysis of a dibenzoate derivative. Collectively, these new natural products modulate fMLP-induced superoxide anion generation in human neutrophils, inhibit the conversion of arachidonic acid to lipoxygenase products by human neutrophils, and inhibit the functioning of the dog kidney Na+/K+ ATPase.
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Affiliation(s)
- M L Solem
- College of Pharmacy, Oregon State University, Corvallis 97331
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Moghaddam MF, Gerwick WH, Ballantine DL. Discovery of 12-(S)-hydroxy-5,8,10,14-icosatetraenoic acid [12-(S)-HETE] in the tropical red alga Platysiphonia miniata. PROSTAGLANDINS 1989; 37:303-8. [PMID: 2727309 DOI: 10.1016/0090-6980(89)90065-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The potent mammalian immunohormone, 12-(S)-hydroxy-5,8,10,14-icosatetraenoic acid (12-(S)-HETE), is a 12-lipoxygenase metabolite of arachidonic acid that is widely distributed in animal tissues. In humans, it is produced and secreted by platelet cells and elicits both chemotactic and degranulatory responses in target neutrophils. As widely as 12-lipoxygenase activity and one of its major products, 12-(S)-HETE, have been found in animal tissues, it has never been found in plants. Herein, we report the first isolation of the 12-lipoxygenase product, 12-(S)-HETE, from a plant, the tropical marine alga Platysiphonia miniata (C. Agardh) Børgesen.
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Affiliation(s)
- M F Moghaddam
- College of Pharmacy, Oregon State University, Cornwallis 97331
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Preparation of methylcis-9,cis-12,cis-15-octadecatrienoate-15,16-d 2 and methylcis-9,cis-12,cis-15-octadecatrienoate-6,6,7,7-d 4. Lipids 1988; 23:280-5. [DOI: 10.1007/bf02537333] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/1987] [Accepted: 11/10/1987] [Indexed: 10/23/2022]
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Ptilodene, a novel icosanoid inhibitor of 5-lifoxygenase and Na+/K+ ATPase from the red marine alga ptilota FilicinaJ. Agardh. Tetrahedron Lett 1988. [DOI: 10.1016/s0040-4039(00)80336-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Emken EA, Abraham S, Lin CY. Metabolism of cis-12-octadecenoic acid and trans-9,trans-12-octadecadienoic acid and their influence on lipogenic enzyme activities in mouse liver. BIOCHIMICA ET BIOPHYSICA ACTA 1987; 919:111-21. [PMID: 3580379 DOI: 10.1016/0005-2760(87)90197-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
High carbohydrate (65% glucose) diets containing cis-12-octadecenoic acid (12c-18:1) or trans-9,trans-12-octadecadienoic acid (9t,12t-18:2) were fed to weanling mice to investigate the influence of fatty acid structure on six hepatic enzyme activities involved in lipid metabolism. Results with these diets were compared to those with diets containing no fatty acids, saturated fatty acids; cis-9-octadecenoic acid (9c-18:1) and cis-9,cis-12-octadecadienoic acid (9c,12c-18:2). These comparisons show saturated fatty acids, 9c-18:1, 12c-18:1, and 9t,12t-18:2, had little or no influence on the activity levels of fatty acid synthetase, malic enzyme (EC 1.1.1.40)citrate cleavage enzyme (EC 4.1.3.8), glucose-6-phosphate dehydrogenase (EC 1.1.1.49), 6-phosphogluconate dehydrogenase (EC 1.1.1.44) and acetyl-CoA carboxylase (EC 6.4.1.2). Neither 12c-18:1 nor 9t,12t-18:2 produced the dramatic enzyme-lowering effect exhibited by the diet containing 9c,12c-18:2 when compared to the diet devoid of fat. Thus, both the 9 and 12 bonds must be present in the same molecule. Also, at least one and probably both bonds must be in the cis configuration to depress liver enzyme activities. Capillary gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) were both used for analysis of the methyl esters derived from the hepatic lipids. The GC and GC-MS data provided (a) direct evidence for incorporation of both isomers into hepatic lipids and (b) indirect evidence that 9t,12t-18:2 lowered liver delta 9-desaturase activity. In addition, since these products were found in the complex liver lipids, there is no doubt that the various enzymes concerned with activation and acylation utilize both of these isomeric fatty acids as substrates.
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Lopez A, Gerwick WH. Two new icosapentaenoic acids from the temperate red seaweed Ptilota filicina J. Agardh. Lipids 1987; 22:190-4. [PMID: 3033420 DOI: 10.1007/bf02537301] [Citation(s) in RCA: 62] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Two new fatty acid metabolites, 5(Z),7(E),9(E),14(Z),17(Z)-icosapentaenoic acid and 5(E),7(E),9(E),14(Z),17(Z)-icosapentaenoic acid, have been isolated from the temperate red marine alga, Ptilota filicina (Ceramiales, Rhodophyta). The structures of these new compounds, isolated as their methyl ester derivatives, have been deduced from detailed 1H nuclear magnetic resonance (NMR), 13C NMR and 2D-NMR analyses as well as comparisons to known compounds.
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