Introduction to the 3rd Amino Acid Assessment Workshop1

The Journal of Nutrition;  June 1, 2004 ;     700+ words ......It is these amino acids that quantitatively...contribution to the amino acid economy of...terms of body amino acid and nitrogen...amounts of total amino acids (protein...catabolism of amino acids and in the regulation of amino acid ...

The Indicator Amino Acid Oxidation Method Identified Limiting Amino Acids...

The Journal of Nutrition;  May 1, 2007 ;     700+ words ......identify limiting amino acids in a new amino acid profile. Piglets...is at risk for amino acid toxicity from intake of excess amino acids, because of immature...identify limiting amino acids in a proposed new amino acid profile being ...

An Approach to Defining the Upper Safe Limits of Amino Acid Intake1-3

The Journal of Nutrition;  October 1, 2008 ;     700+ words ......high doses of amino acid given as protein-bou...vs. as free amino acids (6-9). These...mixture of amino acids, either as protein or amino acid mix, also has...individual amino acids. In practice, the highest amino acid intakes are...

Interorgan amino acid transport and its regulation1,2

The Journal of Nutrition;  June 1, 2003 ;     700+ words ...ABSTRACT Interorgan amino acid transport is a...process that provides amino acids to all tissues...component of plasma amino acid homeostasis. Net movement of amino acids depends on the...arginine Interorgan amino acid transport is a...process that provides ...

Animal Models of Amino Acid Metabolism: A Focus on the Intestine1

The Journal of Nutrition;  June 1, 2004 ;     700+ words ......toxic sequelae of amino acids taken orally. J...protein metabolism * amino acid metabolism * piglet...transform, and degrade amino acids and thus form a...of the dietary amino acid supply, acting...organism against amino acid toxicity as one...of ...

Arabidopsis LHT1 Is a High-Affinity Transporter for Cellular Amino Acid...

Plant Cell;  August 1, 2006 ;     700+ words ......containing amino acids as the sole...Arabidopsis amino acid permease (AAP...inhibition of amino acid uptake from...and uptake of amino acids into mesophyll...xylem-derived amino acids. The capacity for amino acid uptake, and...

Molecular and Functional Characterization of a Family of Amino Acid...

Plant Physiology;  October 1, 2004 ;     700+ words ......Uptake of toxic amino acid analogs implies that neutral or acidic amino acids are preferentially...2004). The other amino acids are found at lower...amount of each amino acid is similar in the...recognized that amino acid transport systems...specific for ...

General discussion at 2nd Amino Acid Assessment Workshop (2nd AAAW)1

The Journal of Nutrition;  June 1, 2003 ;     700+ words ......upper limit of amino acid intake. Any nutrient...toxic effects of amino acids differ with each amino acid. But the responses of animals to amino acid-excess diets are...the safety of amino acids must be made through...assessment of amino acid ...

Left-handed excess in meteorite molecules.(amino acid research)

Science News;  February 22, 1997 ;     596 words ......distinctive handedness of the amino acid molecules that serve as the...proteins. Although a typical amino acid exists in two molecular forms...and right-handed forms of amino acids, researchers have long sought...the left-handed form of the amino acid, ranging from 2 to ...

What Are the Essential Elements Needed for the Determination of Amino Acid...

The Journal of Nutrition;  June 1, 2004 ;     700+ words ......measurements of plasma amino acids might help to...intracellular free amino acid deficiencies...indispensable amino acids during disease...dispensable amino acids * indispensable amino acids * amino acid requirements...many essential ...

Unnatural biochemistry: bacteria make and use an alien amino acid.

Science News;  January 25, 2003 ;     393 words ......blocks, known as amino acids. But now, in a...incorporates a 21st amino acid into its proteins...operates with 20 amino acids, rather than...take up extra amino acids from laboratory...synthesize a 21st amino acid and then incorporate...with the standard ...

Amino Acid Adequacy in Pathophysiological States1,2

The Journal of Nutrition;  June 1, 2004 ;     700+ words ...ABSTRACT Amino acid utilization...circulating amino acids are derived...states, the amino acid composition of amino acids derived from...nonessential amino acids in excess of...can lead to amino acid toxicity. In...

Amino acid pharmacokinetics and safety assessment1

The Journal of Nutrition;  June 1, 2003 ;     700+ words ......mechanisms controlling amino acid catabolic or disposal...The principles of amino acid tracer kinetics have...transferred to the field of amino acid metabolism. In this...tolerable levels of amino acid infusion and/or ingestion...to couple specific amino ...

Epinephrine transiently increase amino acid disappearance to lower amino...

JPEN, Journal of Parenteral and Enteral Nutrition;  September 1, 1999 ;     700+ words ......normal whereas plasma amino acid levels remained suppressed...affects both rates of amino acid appearance and disappearance...being increased in amino acid disappearance. However, epinephrine lowers amino acid concentrations beyond...of epinephrine on amino ...

Discussion of Sessions 1 and 2 at the 3rd Amino Acid Assessment Workshop...

The Journal of Nutrition;  June 1, 2004 ;     700+ words ......very quick impact on amino acid metabolism during...important to consider amino acid requirements separately...to consider is the amino acid needs of the cirrhotic...factors influence amino acid requirements during...the approaches to amino acid assessment ...