Portland State University. Department of Biology
Term of Graduation
Date of Publication
Master of Science (M.S.) in Biology
Amino acids -- Metabolism
1 online resource (vi, 50 pages)
Amino acid absorption across rat intestine in vitro was inhibited or stimulated by insulin depending on the hormone serosal concentration.
The absence of sodium ions from the incubating solution resulted in a significant decrease of L-alanine absorption. However, L-alanine was enhanced in a sodium-free medium by the addition of insulin on the serosal side of the intestine.
A sizable decrease in L-alanine and L-lysine absorption was produced by introduction of D-glucose (0.2 % and 2 %) in the Krebs-Ringer's incubating buffer. Nevertheless, the presence of D-glucose did not prevent the stimulatory effect of insulin on amino acid absorption.
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Craan, Andre-Gerard, "Effects of Insulin, Sodium and D-Glucose on Amino Acid Absorption in the Intestine of Rats" (1971). Dissertations and Theses. Paper 1449.