scholarly journals Inhibition of amino acid transport in rat small intestine by N.EPSILON.-substituted L-lysine derivatives.

1977 ◽  
Vol 41 (1) ◽  
pp. 195-200 ◽  
Author(s):  
Kyoden YASUMOTO ◽  
Kimio SUGIYAMA ◽  
Hisateru MITSUDA
1993 ◽  
Vol 64 (7) ◽  
pp. 700-708
Author(s):  
Kiyoshi TAJIMA ◽  
Ryozo TAKADA ◽  
Toru MORI ◽  
Hisao ITABASHI ◽  
Kei-ichiro SUGIMURA

1965 ◽  
Vol 20 (5) ◽  
pp. 1102-1105 ◽  
Author(s):  
T. Hastings Wilson ◽  
Angela DeCarlo

A 7-year experience with student laboratory exercises dealing with intestinal transport in vitro is described. A single experiment which has evolved from trial and error in the student laboratory is given in detail. Everted sacs of small intestine from the golden hamster are incubated in flasks containing bicarbonate-saline with 10 mm glucose and 2 mm d- or l-tyrosine. Glucose and l-tyrosine are transported across the intestinal wall against concentration gradients; d-tyrosine is not, illustrating the stereospecificity of the amino acid transport system. A second experiment which illustrates the stimulation of vitamin B12 absorption by gastric intrinsic factor is briefly recorded. The student interest aroused and the high degree of satisfactory results make such experiments useful additions to the repertoire of student laboratory exercises in physiology. intestinal transport; amino acid transport; B12 transport Submitted on November 12, 1964


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