Galactose transport across the hamster small intestine: the effect of sodium electrochemical potential gradients. 1971

A P Smulders, and E M Wright

1. Measurements of galactose unidirectional fluxes across the isolated mucosa of the hamster small intestine were made under a variety of experimental conditions designed to investigate the interrelationships between galactose transport, the sodium ion and electrical potentials.2. Galactose transport was inhibited by lowering the sodium concentration in the mucosal and/or serosal solutions and by increasing the p.d. across the tissue. This inhibition of galactose transport was judged to be irreversible.3. Transport was unaffected by decreasing the p.d. across the tissue.4. These results are discussed in relation to the model proposed to explain galactose transport across the intestine.

UI MeSH Term Description Entries
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001693 Biological Transport, Active The movement of materials across cell membranes and epithelial layers against an electrochemical gradient, requiring the expenditure of metabolic energy. Active Transport,Uphill Transport,Active Biological Transport,Biologic Transport, Active,Transport, Active Biological,Active Biologic Transport,Transport, Active,Transport, Active Biologic,Transport, Uphill

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