Methionine and 2-hydroxy-4-methylthiobutanoic acid are transported by distinct Na+-dependent and H+-dependent systems in the brush border membrane of the chick intestinal epithelium

The pathways that facilitate the uptake of L-methionine (L-Met), D-methionine (D-Met) and L-2-hydroxy-4-methylthiobutanoic acid (L-HMB) were characterized in chick intestinal brush border membrane vesicles. A model of high affinity transport (Km approximating 0.1 mmol/L) converged to the data obtain...

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Veröffentlicht in:	The Journal of nutrition 1996-02, Vol.126 (2), p.529-536
Hauptverfasser:	MAENZ, D. D, ENGELE-SCHAAN, C. M
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences Biological Transport, Active Chickens - metabolism Chickens - physiology Dose-Response Relationship, Drug Epithelium - metabolism Epithelium - physiology Epithelium - ultrastructure Fundamental and applied biological sciences. Psychology Hydrogen - physiology Hydrogen-Ion Concentration Intestine, Small - metabolism Intestine, Small - physiology Intestine, Small - ultrastructure Intestine. Mesentery Isomerism Methionine - analogs & derivatives Methionine - analysis Methionine - pharmacokinetics Microvilli - metabolism Microvilli - physiology Microvilli - ultrastructure Sodium - physiology Substrate Specificity Sulfur Radioisotopes Vertebrates: digestive system
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