Learn More
Streptozotocin-induced diabetes in the rat alters intestinal function, causes hyperphagia and arrests body growth, but stimulates intestinal growth, particularly in the mucosa. Therefore we measured several indices of epithelial cell proliferation to gain insight on possible factors responsible for the increased mucosal cell mass in the small intestine. We(More)
Eight men positioned a triple-lumen tube in the duodenojejunum. By use of segmental perfusion, 2, 4, 6, or 8% solutions of glucose (111-444 mM), sucrose (55-233 mM), a maltodextrin [17-67 mM, avg. chain length = 7 glucose units (7G)], or a corn syrup solid [40-160 mM, avg. chain length = 3 glucose units (3G)] were perfused at 15 ml/min for 70 min after a(More)
Intestinal absorption was measured in six trained male cyclists during rest, exercise, and recovery periods with the segmental perfusion technique. Each subject passed a multilumen tube into the duodenojejunum. The experiments consisted of 1) a sequence of 1-h bouts of cycling exercise at 30, 50, and 70% maximal O2 uptake (Vo2max) separated by 1-h rest(More)
Indicators of net water movement are used in a variety of intestinal transport studies. Such indicators should be virtually unabsorbed under study conditions. The effects of stimuli that alter intestinal mass on indicator recovery have not been examined. We used the male albino rat to study the effects of food restriction (50%) and fasting on recovery of(More)
The American Journal of Physiology: Gastrointestinal and Liver Physiology (ISSN-0193-1857) is published monthly (two volumes a year) by the American Physiologi-tions from outside the United States are payable in U.S. currency or full equivalent. Subscriptions are accepted on a calendar-year basis only. Single Copies; Back Issues: When available, $15.00 each(More)
by the American Physiological Society. All rights reserved; however, the abstract appearing at the beginning of each article may be reproduced in any form, or translated, without specific permission and without an additional credit line. Printed in the United States of America. The American Journal of Physiology .= Endocrinology, Metabolism and(More)
We studied intestinal absorption of solutions containing either one (glucose, Glu, or maltodextrin, Mal) or two (fructose, Fru, and Glu or sucrose, Suc) transportable carbohydrate (CHO) substrates using segmental perfusion technique in eight healthy male subjects. These CHO were either free or directly transportable monosaccharides (Glu, Fru), bound as the(More)