The metabolism and metabolic effects of ketoacids

1989; Wiley; Volume: 5; Issue: 1 Linguagem: Inglês

10.1002/dmr.5610050106

ISSN

1099-0895

Autores

R C May, William E. Mitch,

Tópico(s)

Metabolism and Genetic Disorders

Resumo

Diabetes/Metabolism ReviewsVolume 5, Issue 1 p. 71-82 Protein and Amino Acid Metabolism The metabolism and metabolic effects of ketoacids R. C. May, R. C. May Renal Division, Emory University School of Medicine, Atlanta, Georgia 30322Search for more papers by this authorW. E. Mitch, W. E. Mitch Renal Division, Emory University School of Medicine, Atlanta, Georgia 30322Search for more papers by this author R. C. May, R. C. May Renal Division, Emory University School of Medicine, Atlanta, Georgia 30322Search for more papers by this authorW. E. Mitch, W. E. Mitch Renal Division, Emory University School of Medicine, Atlanta, Georgia 30322Search for more papers by this author First published: February 1989 https://doi.org/10.1002/dmr.5610050106Citations: 8AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat References 1 Burns S, Cresswell J, Ell S, Flynn M, Jackson MA, Lee HA, Richards P, Rowlands A, and Talbot S: Comparison of the effects of ketoacid analogues and essential amino acids on nitrogen homeostatis in moderately protein-restricted diets. Am J Clin Nutr 31: 1767–1775, 1978. 2 Buse M, and Reid SS: Leucine: A possible regulator of protein turnover in muscle. J Clin Invest 56: 1250–1261, 1975. 3 Mitch WE, and Clark AS: Specificity of the effects of leucine and its metabolites on protein degradation in skeletal muscle. Biochem J 222: 579–586, 1984. 4 Brickspan R, Haxworth B, Cersosimo, Devlin J, Horton E, and Abumrad N: α-ketoisocaprote is superior to leucine in sparing glucose utilization in humans. Am J Physiol 251: E648–E653, 1986. 5 Mitch WE, and Walser M: Nutritional therapy of the uremic patient. In The Kidney. BM Brenner, and FC Rector, Eds. WB Saunders, Philadelphia, 1986, pp 1759–1790. 6 Walser M, Coulter AW, Dighe SV, and Crantz F: The effects of ketoanalogues of essential amino acids in severe chronic uremia. J Clin Invest 52: 678–690, 1973. 7 Mitch WE, Abras E, and Walser M: Long-term effects of a new ketoacid-amino acid supplement in patients with chronic renal failure. Kidney Int 22: 48–53, 1982. 8 Mitch WE, Walser M, Steinman TI, Hill S, Zeger S, and Tungsanga K: The effect of a ketoacid-amino acid supplement to a restricted diet on the progression of chronic renal failure. N Engl J Med 311: 623–629, 1984. 9 Walser M, La France ND, Ward L, and Van Duyn MA: Progression of chronic renal failure in patients given ketoacids following amino acids. Kidney Int 32: 123–128, 1987. 10 Hayashi T, Todoriki H, and Naruse H: High-performance liquid chromatographic determination of α-ketoacids. J Chromatogr 224: 197–204, 1981. 11 Schwarz HP, Karl IE, and Bier DM: The α-keto acids of branched-chain amino acids: Simplified derivatization for physiological samples and complete separation as quinoxalinols by packed column gas chromatography. Anal Biochem 108: 360–366, 1980. 12 Early RJ, Thompson JR, McAllister T, Fenton TW, and Christopherson RJ: Branched-chain α-ketoacid analysis in biological fluids: Preparative clean-up by anion-exchange and analysis by capillary gas chromatography. J Chromatogr 310: 1–10, 1984. 13 Koike K, and Koike M: Fluorescent analysis of keto acids in serum and urine by high-performance liquid chromatography. Anal Biochem 141: 481–487, 1984. 14 Hara S, Takemori Y, Yamaguchi M, and Nakamura M: Determination of α-ketoacids in serum and urine by high-performance liquid chromatography with fluorescence detection. J Chromatogr 344: 33–39, 1985. 15 Arai J, Hara Y, Fukuda S, Takuma T, and Sugino N: Metabolic conversion of α-keto valine to valine in patients with chronic renal failure. Clin Nephrol 23: 236–240, 1985. 16 Hutson SM, and Harper AE: Blood and tissue branched-chain amino and α-keto acid concentrations: Effect of diet, starvation, and disease. 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J Clin Invest 54: 974–980, 1974. 28 Mitch WE, Walser M, and Sapir DG: Nitrogen sparing induced by leucine compared with that induced by its ketoanalogue, α-ketoisocaproate, in fasting obese man. J Clin Invest 57: 553–562, 1981. 29 Harper AE, Miller RH, and Block KP: Branchedchain amino acid metabolism. Ann Rev Nutr 4: 409–454, 1984. 30 Chan W, and Walser M: Effect of branched-chain ketoacids and dietary protein content on the activity of branched-chain amino acid transferase in rat tissues. J Nutr 108: 40–45, 1978. 31 Mitch WE, and Chan W: α-ketoisocaproate stimulates branched-chain amino acid transaminase in kidney and muscle. Am J Physiol 236: E514–E518, 1979. 32 Randle PJ, Fatania HR, and Lau KS: Regulation of the mitochondrial branched-chain α-oxoacid dehydrogenase complex of animal tissues by reversible phosphorylation. Mol Asp Cell Regul 3: 1–26, 1984. 33 Wagenmakers AJM, Schepens JTG, Veldhuizen JAM, and Veerkamp JH: The activity state of the branched-chain α-oxoacid dehydrogenase complex in rat tissues. Biochem J 220: 273–281, 1984. 34 Odessey R, and Goldberg AL: Leucine degradation in cell-free extracts of skeletal muscle. Biochem J 178: 475–489, 1979. 35 Heffelfinger SC, Sewell ET, and Danner DJ: Antibodies to bovine liver branched-chain 2-oxacid dehydrogenase crossreact with this enzyme complex from other tissues and species. Biochem J 213: 339–344, 1983. 36 Ono K, Hakozaki M, Kimura A, and Kochi H: Purification, resolution and reconstitution of rat liver branched-chain α-ketoacid dehydrogenase complex. J Biochem 101: 19–27, 1987. 37 Buxton DB, and Olson MS: Regulation of the branched-chain α-ketoacid and pyruvate dehydrogenase in the perfused rat heart. J Biol Chem 257: 15026–15029, 1982. 38 Hutson SM: Branched-chain α-keto acid oxidative decarboxylation in skeletal muscle mitochondria: Effect of isolation procedure and mitochondrial pH. J Biol Chem 261: 4420–4425, 1986. 39 Hutson SM: pH regulation of mitochondrial branched-chain α-ketoacid transport and oxidation in rat heart mitochondria. J Biol Chem 262: 9629–9635, 1987. 40 Ciesla J, and Walajty-Rode E: Regulation of oxidative decarboxylation of branched-chain 2-oxoacids in rat liver mitochondria. Int J Biochem 18: 1015–1021, 1986. 41 Petrosk CJ, Paul HS, and Adibi SA: Further characterization of a muscle factor which activates hepatic branched-chain ketoacid dehydrogenase. Int J Biochem 18: 979–983, 1986. 42 Cook KG, Lawson R, and Yeaman SJ: Multisite phosphorylation of bovine kidney branched-chain 2-oxoacid dehydrogenase complex. FEBS Lett 157: 59–62, 1983. 43 Patel TB, and Olson MS: Evidence for the regulation of the branched-chain α-keto acid dehydrogenase multienzyme complex by a phosphorylation/dephosphorylation mechanism. Biochemistry 21: 4259–4264, 1982. 44 Paxton R, and Harris RA: Regulation of branched-chain α-ketoacid dehydrogenase kinase. Arch Biochem Biophys 231: 48–57, 1984. 45 Block KP, and Harper AE: Valine metabolism in vivo: Effects of high dietary levels of leucine and isoleucine. Metabolism 33: 559–566, 1984. 46 Zapalowski C, Miller RH, Dixon JL, and Harper AE: Effects of perfusate leucine concentration on the metabolism of valine by the isolated rat hindquarter. Metabolism 33: 922–927, 1984. 47 Mequid MM, Schwarz H, Matthews DE, et al.: In vivo and in vitro branched-chain amino acid interactions. In Amino Acids: Metabolism and Medical Applications. JP Grant, and VR Young, Eds. John Wright and Sons, Boston, 1983, pp 147–154. 48 May RC, Hara Y, Kelly RA, Block KP, Buse MG, and Mitch WE: Branched-chain amino acid metabolism in rat muscle: Abnormal regulation in acidosis. Am J Physiol 252: E712–E718, 1987. 49 Aftring RP, Block KP, and Buse MG: Leucine and isoleucine activate skeletal muscle branched-chain α-keto acid dehydrogenase in vivo. Am J Physiol 250: E599–E604, 1986. 50 Block KP, Aftring RP, Mehard WB, and Buse MG: Modulation of rat skeletal muscle branched-chain α-keto acid dehydrogenase in vivo: Effects of dietary protein and meal consumption. J Clin Invest 79: 1349–1358, 1987. 51 Block KP, Richmond WB, Mehard WB, and Buse MG: Glucocorticoid-mediated activation of muscle branched-chain α-ketoacid dehydrogenase in vivo. Am J Physiol 252: E396–E407, 1987. 52 Gillim SE, Paxton R, Cook GA, and Harris RA: Activity state of the branched-chain α-ketoacid dehydrogenase complex in heart, liver, and kidney of normal, fasted, diabetic, and protein-starved rats. Biochem Biophys Res Commun 111: 74–81, 1983. 53 Block KP, Heywood BW, Buse MG, and Harper AE: Activation of rat liver branched-chain 2-oxo acid dehydrogenase in vivo by glucagon and adrenaline. Biochem J 232: 593–597, 1985. 54 Bloch KP, Soemitro S, Heywood BW, and Harper AE: Activation of liver branched-chain α-keto acid dehydrogenase in rats by excesses of dietary amino acids. J Nutr 115: 1550–1561, 1985. 55 Khatra BS, Chawlal RK, Wadsworth AD, and Rudman D: Effect of dietary branched-chain α-ketoacids on hepatic branched-chain α-keto acid dehydrogenase in the rat. J Nutr 107: 1528–1536, 1977. 56 Young VR, and Peflett PL: Protein intake and requirements with reference to diet and health. Am J Clin Nutr 45: 1323–1343, 1987. 57 Harper AE, and Benjamin E: Relationship between intake and rate of oxidation of leucine and α-ketoisocaproate in vivo in the rat. 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Am J Clin Nutr 43: 504–509, 1986. 63 Munoz S, and Walser M: Utilization of α-ketoisocaproate for synthesis of hepatic export proteins and peripheral proteins in normal and cirrhotic subjects. Gastroenterology 90: 1834–1843, 1986. 64 Pozefsky T, and Walser M: Effect of intraarterial infusion of the ketoanalogue of leucine on amino acid release by forearm muscle. Metabolism 26: 807–815, 1977. 65 Matthews DE, Bier DM, Rennie MJ, Edwards RHT, Halliday D, Millward DJ, and Clugston GA: Regulation of leucine metabolism in man: A stable isotope study. Science 214: 1129–1131, 1981. 66 Motil KJ, Matthews DE, Bier DM, Burke JF, Munro HN, and Young VR: Whole-body leucine and lysine metabolism: Response to dietary protein intake in young men. Am J Physiol 240: E712–E721, 1981. 67 Abumrad NN, Wise KL, Williams PE, Abumrad NA, and Lacy WW: Disposal of α-ketoisocaproate: Roles of liver, gut, and kidneys. Am J Physiol 243: E123–E131, 1982. 68 Weber FL, Maddrey W, and Walser M: Amino acid metabolism of dog jejunum before and during absorption of keto analogues. Am J Physiol 232: E263–E269, 1977. 69 Weber FL, Deak SB, and Lain RA: Absorption of keto-analogues of branched-chain amino acids from rat small intestine. Gastroenterology 76: 62–70, 1979. 70 Schauder P, Schroder K, Herbertz L, Henning HV, and Langenbeck U: Oral administration of a α-ketoisovaleric acid or valine in humans: Blood kinetics and biochemical effects. J Lab Clin Med 103: 597–605, 1984. 71 Schauder P: Pharmacokinetic and metabolic interrelationships among branched-chain keto and amino acids in humans. J Lab Clin Med 106: 701–707, 1985. 72 Schauder P, Matthaei D, Henning HV, Scheler F, and Langenbeck U: Blood levels of branched-chain amino acids and ketoacids in uremic patients given keto analogues of essential amino acids. Am J Clin Nutr 33: 1660–1666, 1980. 73 Waterlow JC, Garlick PJ, and Millward DJ: Protein Turnover in Mammalian Tissues and in the whole Body. North Holland, New York, 1978. 74 Schwenk WF, Beaufrere B, and Haymond MW: Use of reciprocal pool specific activities to model leucine metabolism in humans. Am J Physiol 249: E646–E650, 1985. 75 Goodship THJ, Young VR, Steinman TI, and Mitch WE: Adaptive response to low protein diets: What is the risk in chronic renal failure? Kidney Int 33: 376, 1988. 76 Shinnick FL, and Harper AE: Effects of branched-chain amino acid antagonism in the rat on tissue amino acid and ketoacid concentrations. J Nutr 107: 887–895, 1977. 77 Hara Y, May RC, Kelly RA, and Mitch WE: Acidosis, not azotemia, stimulates branched-chain amino acid catabolism in uremic rats. Kidney Int, 32: 808–814, 1987. 78 May RC, Kelly RA, and Mitch WE: Metabolic acidosis stimulates protein degradation in rat muscle by a glucocorticoid-dependent mechanism. J Clin Invest 77: 614–621, 1986. 79 May RC, Kelly RA, and Mitch WE: Mechanisms for defects in muscle protein metabolism in rats with chronic uremia: Influence of metabolic acidosis. J Clin Invest 79: 1099–1103, 1987. 80 Laouari D, Kamoun PP, Rocchiccioli F, Dodu C, Kleinknecht C, and Broyer M: Efficiency of substitution of α-ketoisocaproic acid and α-ketoisovaleric acid in the diet of normal and uremic growing rats. Am J Clin Nutr 44: 832–846, 1986. Citing Literature Volume5, Issue1February 1989Pages 71-82 ReferencesRelatedInformation

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