getting essential fatty acids

Báo cáo khoa học: Metabolic pathway that produces essential fatty acids from polymethylene-interrupted polyunsaturated fatty acids in animal cells pot

Báo cáo khoa học: Metabolic pathway that produces essential fatty acids from polymethylene-interrupted polyunsaturated fatty acids in animal cells pot

... total fatty acid), are eaten as a snack food in Japan. The metabolism of PMI-PUFAs shown here is thought to be the process by which unsuitable fatty acids are converted into the essential fatty acids ... D-15 positions of a fatty acid, animals have to acquire these poly- unsaturated fatty acids (PUFAs) from their diet. The alignment of the double bonds of these essential fatty acids as well as important ... as Pinaceae, Taxodiaceae and Keywords essential fatty acids; peroxisomal b-oxidation; polymethylene-interrupted polyunsaturated fatty acids; polyunsaturated fatty acid remodeling Correspondence T....

Ngày tải lên: 23/03/2014, 09:20

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Tài liệu VAI TRÒ CUẢ OMEGA-3 FATTY ACIDS TRONG VIỆC ĐIỀU TRỊ VÀ PHÒNG NGỪA BỆNH doc

Tài liệu VAI TRÒ CUẢ OMEGA-3 FATTY ACIDS TRONG VIỆC ĐIỀU TRỊ VÀ PHÒNG NGỪA BỆNH doc

... phát hiện liên hệ tới LCn-3 fatty acids trong sự cải thiện sức khỏe. Omega-3 fatty acid và n-6 fatty acids là những chất béo không bão hoà (polyunsaturated fatty acids- PUFA) vì chúng không thể ... loại n-3 fatty acids ( từ thảo mộc hay từ biển). EPA và DHA, và so sánh n-6 vớI n-3 fatty acids. Trong tương lai nhiều nghiên cứu còn cần thiết để đánh giá tác dụng. Omega-3 fatty acids và ... số khác biệt và sự kéo dài cung cấp n-3 fatty acids. Omega-3 fatty acids và thời kỳ thai nghén Đã có một số nghiên cứu rộng rãi liên quan tới omega-3 fatty acid và thai nghén. Đo lường kết...

Ngày tải lên: 24/01/2014, 04:20

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Tài liệu Báo cáo khoa học: Suppressed catalytic efficiency of plasmin in the presence of long-chain fatty acids Identification of kinetic parameters from continuous enzymatic assay with Monte Carlo simulation ppt

Tài liệu Báo cáo khoa học: Suppressed catalytic efficiency of plasmin in the presence of long-chain fatty acids Identification of kinetic parameters from continuous enzymatic assay with Monte Carlo simulation ppt

... as A. Tanka-Salamon et al. Fatty acids as plasmin inhibitors FEBS Journal 275 (2008) 1274–1282 ª 2008 The Authors Journal compilation ª 2008 FEBS 1281 All three fatty acids examined caused a 10–20-fold increase ... which is the lowest among the three fatty acids studied (Table 2). Structure–function relationships In an attempt to identify the site of action of the fatty acids in the plasmin molecule, the ... Microplasmin was not sensitive to the presence of fatty acids (Fig. 8B). These results preclude the catalytic domain as a target of the fatty acids and support the notion that interaction with...

Ngày tải lên: 18/02/2014, 17:20

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Tài liệu Báo cáo khoa học: Modulation of cyclin D1 and early growth response factor-1 gene expression in interleukin-1b-treated rat smooth muscle cells by n-6 and n-3 polyunsaturated fatty acids pdf

Tài liệu Báo cáo khoa học: Modulation of cyclin D1 and early growth response factor-1 gene expression in interleukin-1b-treated rat smooth muscle cells by n-6 and n-3 polyunsaturated fatty acids pdf

... 278, 9986–9992. 35. Nunez, E.A. (1997) Fatty acids involved in signal cross-talk between cell m embra ne a nd n ucleus. Prostaglandins Leukot. Essent. Fatty Acids 57, 429–434. 36. Brash, A.R. (2001) ... 295–303. 6. Sellmayer, A., Danesch, U. & Weber, P.C. (1996) Effects of dif- ferent polyunsaturated fatty acids o n growth-related early gene expression and cell growth. Lipids 31 (Suppl. ), S37–S40. 7. ... Collie-Duguid, E.S. & Wahle, K.W. (1996) Inhibitory effect of fish oil n-3 polyunsaturated fatty acids on the expression of endothelial 4472 S. Bousserouel et al.(Eur. J. Biochem. 271) Ó FEBS...

Ngày tải lên: 19/02/2014, 16:20

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Báo cáo khoa học: Arabidopsis thaliana CYP77A4 is the first cytochrome P450 able to catalyze the epoxidation of free fatty acids in plants potx

Báo cáo khoa học: Arabidopsis thaliana CYP77A4 is the first cytochrome P450 able to catalyze the epoxidation of free fatty acids in plants potx

... of physiological C 18 fatty acids, closely located near the double bonds of oleic, linoleic and a-linolenic acids. We therefore tested these different unsaturated fatty acids as potential substrates. Metabolism ... it metabolizes free fatty acids, whereas CYP726A1 meta- bolizes fatty acids incorporated into phosphatidylcho- line [32,45]. The physiological role of CYP77A4 is unlikely to be the production of fatty acid ... and incubations of a diverse set of fatty acids with yeast microsomes, allowed us to confirm the capacity of this newly characterized P450 to metabolize fatty acids, highlighting the predictive...

Ngày tải lên: 07/03/2014, 03:20

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Báo cáo khoa học: Mutants of Saccharomyces cerevisiae deficient in acyl-CoA synthetases secrete fatty acids due to interrupted fatty acid recycling docx

Báo cáo khoa học: Mutants of Saccharomyces cerevisiae deficient in acyl-CoA synthetases secrete fatty acids due to interrupted fatty acid recycling docx

... the extracellular fatty acids. In addition, we determined the amount of lipid-bound fatty acids to cover all major pools of fatty acids (Fig. 1B,D). The amount of cellular free fatty acids could be easily ... extracellular fatty acids. Therefore, besides the import of exogenous fatty acids, additional release of internal fatty acids had to contribute to the increase of intracellular fatty acids. However, ... (square)]. (D) Con- centration of fatty acids in the pools of free fatty acids in the media (diamonds), of free fatty acids in the cells (square) and of esterified fatty acids (triangle). The error...

Ngày tải lên: 07/03/2014, 05:20

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Báo cáo khoa học: Covalent activation of heart AMP-activated protein kinase in response to physiological concentrations of long-chain fatty acids docx

Báo cáo khoa học: Covalent activation of heart AMP-activated protein kinase in response to physiological concentrations of long-chain fatty acids docx

... Activation of AMPK by fatty acids (Eur. J. Biochem.)9 chargeÕ in control 2 compared with that in control 1 (Table 3). Time-dependence of the activation of AMPK by fatty acids No significant activation ... activation of AMPK by fatty acids andonethatiscommontotheÔclassicalÕ activation pathway. However at this time we cannot discount the possibility that exposure to fatty acids may promote other phosphorylation ... AMPK by an unknown fatty acid-driven signalling process provides a mechanism for a Ôfeed-forwardÕ activation of fatty acid oxidation. Keywords: AMP-activated protein kinase; fatty acids; heart; insulin;...

Ngày tải lên: 07/03/2014, 15:20

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Báo cáo khoa học: Alpha-oxidation of 3-methyl-substituted fatty acids and its thiamine dependence pptx

Báo cáo khoa học: Alpha-oxidation of 3-methyl-substituted fatty acids and its thiamine dependence pptx

... of the a-oxidation of 3-methyl-branched fatty acids in rat liver. J. Lipid Res. 40, 601–609. 39. Foulon, V. (2001) a-Oxidation of 3-Methyl-Branched Fatty Acids: Study of the Enzymes Involved in ... 3-methyl-branched fatty acids. FEBS Lett. 407, 197–200. 29. Croes,K.,Casteels,M.,Asselberghs,S.,Herdewijn,P.,Manna- erts, G.P. & Van Veldhoven, P.P. (1997) Formation of a 2-methyl- branched fatty aldehyde ... In addition, racemization at the other chiral centres is an essential step for the further b-oxidation of the intermediate a-methyl fatty acids [40]. 2-HPCL: a thiamine dependent enzyme 2-HPCL identification After...

Ngày tải lên: 08/03/2014, 02:20

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Báo cáo Y học: In vivo activation of plasma membrane H+-ATPase hydrolytic activity by complex lipid-bound unsaturated fatty acids in Ustilago maydis docx

Báo cáo Y học: In vivo activation of plasma membrane H+-ATPase hydrolytic activity by complex lipid-bound unsaturated fatty acids in Ustilago maydis docx

... activation of H + -ATPase by fatty acids (Eur. J. Biochem. 269) 1007 In vivo activation of plasma membrane H + -ATPase hydrolytic activity by complex lipid-bound unsaturated fatty acids in Ustilago maydis Agustı ´ n ... although the particular fatty acid may be different for each species, activation of the plasma membrane H + -ATPase by increases in the unsaturation of the CLB -fatty acids is a physiological ... and altered the fatty acid profile, but that abnormal sterols per se were probably not directly responsible for the changes observed in H + -ATPase activity. We tested the hypothesis that CLB -fatty acids...

Ngày tải lên: 08/03/2014, 22:20

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Báo cáo Y học: Kinetic analysis of hydroxylation of saturated fatty acids by recombinant P450foxy produced by an Escherichia coli expression system docx

Báo cáo Y học: Kinetic analysis of hydroxylation of saturated fatty acids by recombinant P450foxy produced by an Escherichia coli expression system docx

... for C9-C18 fatty acids, although fatty acids longer than C18 have not been examined. Regardless, the substrate specif- icity of P450foxy is distributed among saturated fatty acids with a rather shorter ... longer substrates. Both K m and K d values were similar for longer fatty acids whereas K m became much larger than K d for fatty acids shorter than C12. As K m ¼ (k cat + k off )/k on and K d ¼ k off /k on ,wherek on and ... the channel. The stronger substrate inhibition by longer fatty acids suggests a larger contribu- tion of the aliphatic chain of fatty acids to their binding, as compared with P450BM3. In other...

Ngày tải lên: 08/03/2014, 22:20

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Báo cáo khoa học: Activation of Stat5 and induction of a pregnancy-like mammary gland differentiation by eicosapentaenoic and docosapentaenoic omega-3 fatty acids docx

Báo cáo khoa học: Activation of Stat5 and induction of a pregnancy-like mammary gland differentiation by eicosapentaenoic and docosapentaenoic omega-3 fatty acids docx

... FEBS ratio 1 includes a wider range of n-6 and n-3 fatty acids and ratio 2 only reflects the polyunsaturated (more than four double bonds) fatty acids. It is note- worthy that since we exclude C18:2 ... n-3 fatty acids and Table 1. Analyses of fatty acid ratio and relative contents of n-3 PUFAs EPA, DPA, and DHA in mammary glands. Whole inguinal mammary fat pads were isolated and contents of fatty ... Bougnoux P (1999) n-3 polyunsaturated fatty acids and cancer. Curr Opin Clin Nutr Metab Care 2, 121–126. 26 Cave WT Jr (1997) Omega-3 polyunsaturated fatty acids in rodent models of breast cancer....

Ngày tải lên: 16/03/2014, 10:20

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Báo cáo khoa học: Hidden stereospecificity in the biosynthesis of divinyl ether fatty acids ppt

Báo cáo khoa học: Hidden stereospecificity in the biosynthesis of divinyl ether fatty acids ppt

... given in Table 1 and Fig. 2 Table 1. Isotope composition of deuterated fatty acid hydroperox- ides and divinyl ether fatty acids. Isotopic analysis was carried out with selected ion monitoring ... stereospecificity in the biosynthesis of divinyl ether fatty acids Mats Hamberg Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Sweden Fatty acid hydroperoxides generated in plant ... ether synthase. Fig. 3. Proposed sequence of reactions in the biosynthesis of divi- nyl ether fatty acids. R 1 ¼ C 5 H 11 and R 2 ¼ (CH 2 ) 6 -COOH (colneleic acid series), or R 1 ¼ (CH 2 ) 7 -COOH...

Ngày tải lên: 16/03/2014, 18:20

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Báo cáo khoa học: Cytochrome P450 metabolizing fatty acids in plants: characterization and physiological roles pptx

Báo cáo khoa học: Cytochrome P450 metabolizing fatty acids in plants: characterization and physiological roles pptx

... Cytochrome P450-dependent fatty acids hydroxylases in plants. Phytochem Rev 5, 359– 372. 33 Soliday C & Kolattukudy P (1977) Biosynthesis of cutin omega-hydroxylation of fatty acids by a microsomal preparation ... member CYP704B2 catalyzes the omega-hydroxylation of fatty acids and is required for anther cutin biosynthesis Cytochrome P450 metabolizing fatty acids in plants F. Pinot and F. Beisson 204 FEBS ... October 2010) doi:10.1111/j.1742-4658.2010.07948.x In plants, fatty acids (FA) are subjected to various types of oxygenation reactions. Products include hydroxyacids, as well as hydroperoxides, epox- ides, aldehydes, ketones and a,x-diacids. Many...

Ngày tải lên: 22/03/2014, 16:21

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Báo cáo khoa học: Characterization of surface n -alkanes and fatty acids of the epiphytic lichen Xanthoria parietina, its photobiont a green alga Trebouxia sp., and its mycobiont, from the Jerusalem hills pot

Báo cáo khoa học: Characterization of surface n -alkanes and fatty acids of the epiphytic lichen Xanthoria parietina, its photobiont a green alga Trebouxia sp., and its mycobiont, from the Jerusalem hills pot

... long-chain aliphatic acids, but they did not indicate which fatty acids were synthesized by the photobiont. In this study, we attempt to show which aliphatic hydrocarbons and fatty acids are produced ... fatty acids such as (Z,Z,Z)-9,12,15-18 : 3 (Z,Z)-9,12-18 : 2 and (Z)-9-18 : 1, and light alkanes C 8 -C 15 (upto83%oftotaln-alkanes). However, the mycobiont contained mainly saturated fatty acids ... 1.15 0.23 0.94 n-Tetratriacontane (C 34 ) 0.21 0.76 0.15 1.01 0.13 Major fatty acids, as methyl ester (% of total fatty acids) 1. Hexane-1,6-dioic acid 6.12 0.99 8.36 5.11 2.17 7.66 6.53 7.82...

Ngày tải lên: 23/03/2014, 17:21

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Trans fatty acids

Trans fatty acids

... suppressed by all cis–trans fatty acids used • Cycloxygenase/thromboxane synthase activity is significantly inhibited by polyunsaturated fattyacids. • Trans fatty acids may modify the activity ... chemistry-saturated Trans Fatty Acids The King and I (Hans-aka Jeff, and Elvis aka Will) http://classes.uleth.ca/200402/bchm2300a/Trans%2 0Fatty% 2 0Acids. ppt So what’s the big deal? • Trans fatty acids do occur ... LDL levels in blood (baaaaaad cholesterol!) • God shave the Queen. What are trans fatty acids • Fatty Acids- long chain carbon complexes • Classified as – Saturated – Unsaturated » Cis-normal...

Ngày tải lên: 28/03/2014, 12:43

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