2013 Volume 77 Issue 9 Pages 1955-1957
We investigated the effects of cAMP on the basolateral Na+, K+-ATPase and apical amiloride-sensitive Na+ channel in the rat distal colon. Under mucosal treatment with nystatin, isoproterenol and forskolin increased the basolateral Na+ pump current. Under serosal treatment with ouabain, both agents slightly increased the amiloride-sensitive Na current, but not to a significant level. We concluded that cAMP activates the basolateral Na+, K+-ATPase in the rat distal colon.
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