SHORT COMMUNICATION
Short-term effects of basolateral glucosensing on sodium-dependent glucose uptake in ruminal epithelia of sheep
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1
Institute of Veterinary Physiology, Leipzig University, An den Tierkliniken 7, D-04103 Leipzig, Germany
 
2
Canakkale Onsekiz Mart University, Faculty of Agriculture, Department of Animal Science, 17100 Canakkale, Turkey
 
 
Publication date: 2004-08-30
 
 
Corresponding author
J. R. Aschenbach   

Institute of Veterinary Physiology, Leipzig University, An den Tierkliniken 7, D-04103 Leipzig, Germany
 
 
J. Anim. Feed Sci. 2004;13(Suppl. 1):261-264
 
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ABSTRACT
This study aimed to elucidate whether sheep can increase ruminal glucose absorption acutely to counteract lactic acid formation after a concentrate meal. Pre-incubation of Ussing-chambered ruminal epithelia with D-glucose (10 mM) on both sides for 180 min increased the apical uptake of 0.2 mM 14C-D-glucose. An equivalent effect was seen after serosal but not mucosal pre-incubation with D-glucose for only 10 min. However, a 30-s serosal pre-incubation with D-glucose did not stimulate D-glucose uptake. Stimulation of uptake by serosal D-glucose was not seen after phlorizin treatment. Thus, ruminal glucose absorption via SGLT-1 can be up-regulated acutely via a basolateral glucosensor.
ISSN:1230-1388
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