Abstract
The human duodenum actively transports L-leucine and D-glucose under Na+ gradient conditions as demonstrated by uptake studies using brush border membrane vesicles from organ donor duodenum. Brush border membrane vesicles formed from peroral duodenal biopsies likewise demonstrate Na+ dependent concentrative uptake of D-glucose and L-leucine. This is the first demonstration of active transport processes in human duodenum. A simple microvesiculation method to form these vesicles is described as well as its potential application to clinical medicine in studying diseases of defective intestinal transport.
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Schedule a callMore From: Biochemical and biophysical research communications
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