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Rates of lysine catabolism are inversely related to rates of protein synthesis when measured concurrently in adult female rats induced to grow at different rates
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Rates of Lysine Catabolism Are Inversely Related to Rates of Protein Synthesis When Measured Concurrently in Adult Female Rats Induced to Grow at Different Rates1,2,3
Mark J. Gahl,*^4 N. J. Benevenga*^5 and Thomas D. Crenshaw^
ABSTRACT To test the effect of changes in the rate of protein synthesis on amino acid oxidation, both were studied concurrently in individual 200-g female Sprague-Dawley rats. In a growth trial (Experiment 1), recombinant bovine somatotropin (rbST) was injected subcutaneously (0, 2 or 12 mg/d) over 6 d (n = 4 rats per rbST level). Weight gain increased with rbST level ...
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Development of the Indicator Amino Acid Oxidation Technique to Determine the Availability of Amino Acids from Dietary Protein in Pigs1,2
; ...proteins for protein synthesis. When one amino acid is limiting protein synthesis, then all...whole-body protein synthesis as driven by the limiting amino acid. Because...the test amino acid for protein synthesis and vice...
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Leucine Is Not a Good Choice as an Indicator Amino Acid for Determining Amino Acid Requirements in Men1,2
; ...indicator amino acid between oxidation and protein synthesis. This was...indispensable amino acid between oxidation and protein synthesis is sensitive...the test amino acid is fed at...and limits protein synthesis, all other...
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Luminal amino acids acutely decrease intestinal mucosal protein synthesis and protease mRNA in piglets
; ...Intestinal Mucosal Protein Synthesis and Protease...reduced rates of protein synthesis in intestinal...intestinal protein synthesis. We studied...on mucosal protein synthesis in the absence...30 mmol/L amino acid mixture with...on mucosal protein ...
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Leucine Regulates Translation Initiation of Protein Synthesis in Skeletal Muscle after Exercise1,2
; ...significant changes in amino acid and protein metabolism...exercise, muscle protein synthesis decreases together...between the rates of protein synthesis and protein breakdown...in the rate of amino acid oxidation. The...regulation of protein ...
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Infusion of soy and casein protein meals affects interorgan amino acid metabolism and urea kinetics differently in pigs
; ...Affects Interorgan Amino Acid Metabolism and...dietary protein, amino acid scoring patterns...retention and amino acid kinetics in...used to measure amino acid and urea kinetics...differ. Gut protein synthesis tended to be...FAO/WHO that a ...
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Animal Models of Amino Acid Metabolism: A Focus on the Intestine1
; ...metabolism. Intestinal amino acid metabolism is...accounted for: protein synthesis and degradation...discharging an amino acid mixture into...appropriate to support protein synthesis. In part, intestinal amino acid metabolism may...balancing of the ...
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The Intracellular Free Amino Acid Pool Represents Tracer Precursor Enrichment for Calculation of Protein Synthesis in Cultured Fibroblasts and Myocytes1
; ...intracellular free amino acid enrichment as...true rate of protein synthesis was reflected...underestimation of protein synthesis by a variable...intracellular free amino acid enrichment is...to quantify protein synthesis. J. Nutr. 134...e., plasma) ...
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Aromatic amino acids are utilized and protein synthesis is stimulated during amino acid infusion in the ovine fetus
; ...respond by increased protein synthesis, amino acid catabolism or...acute increase in amino acid supply primarily by increasing protein synthesis and accretion...disposal by increased protein synthesis and amino acid catabolism. This...
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Whole-body nitrogen and splanchnic amino acid metabolism differ in rats fed mixed diets containing casein or its corresponding amino acid mixture
; ...casein or the amino acid mixture containing...whole-body net protein synthesis. Free ^sup 13^C-leu...efficiently for liver protein synthesis than dietary free...usually assessed by amino acid composition and...utilization for protein synthesis (2-6), ...
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Threonine deprivation rapidly activates the system A amino acid transporter in primary cultures of rat neurons from the essential amino acid sensor in the anterior piriform cortex1,2
; ...houses the in vivo amino acid chemosensor. Because amino acid transporters adapt rapidly to essential amino acid deficiency in several...of electrogenic amino acid transport in APC...function of the amino acid sensor. We evaluated...an electrogenic ...
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