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Phosphate absorption in Aplysia californica gut: glucocorticoid inhibition
George A Gerencser1, Stanley Y Loo, Frank W Robbins
1Department of Physiology & Functional Genomics, College of Medicine, Box 100274 JHMHC, University of Florida, Gainesville, FL 32610, USA. gag@phys.med.ufl.edu
Canadian Journal of Physiology and Pharmacology
|May 29, 2003
Abstract:
Apical membranes of Aplysia californica foregut epithelia contain a sodium-phosphate symporter. Dexamethasone inhibited the absorptive activity of the sodium-phosphate symporter, whereas amiloride had no effect on the sodium-phosphate symporter. It appears that glucocorticoids or their molluscan equivalent play a role in the overall regulation of phosphate homeostasis by the Aplysia californica gut.