Effect of anions on amiloride-sensitive, active sodium transport across rabbit colon,in Vitro

1977 ◽  
Vol 37 (1) ◽  
pp. 63-84 ◽  
Author(s):  
Klaus Turnheim ◽  
Raymond A. Frizzell ◽  
Stanley G. Schultz
Keyword(s):  
Sodium Transport ◽  
Active Sodium ◽  
Active Sodium Transport ◽  
Rabbit Colon

Active sodium transport and the electrophysiology of rabbit colon

1977 ◽  
Vol 33 (1) ◽  
pp. 351-384 ◽  
Author(s):  
Stanley G. Schultz ◽  
Raymond A. Frizzell ◽  
Hugh N. Nellans
Keyword(s):  
Sodium Transport ◽  
Active Sodium ◽  
Active Sodium Transport ◽  
Rabbit Colon

Inhibition of active sodium transport by cytochalasin B in rat jejunum in vitro

1983 ◽  
Vol 763 (1) ◽  
pp. 19-26 ◽  
Author(s):  
Paula T. Beall ◽  
Karl J. Karnaky ◽  
Leon T. Garretson ◽  
Yuh-Jyh Kuo ◽  
Linda L. Shanbour
Keyword(s):  
Sodium Transport ◽  
Cytochalasin B ◽  
Rat Jejunum ◽  
Active Sodium ◽  
Active Sodium Transport

DECREASED EFFECTIVENESS OF ALDOSTERONE ON ACTIVE SODIUM TRANSPORT BY THE ISOLATED TOAD BLADDER IN THE PRESENCE OF OTHER STEROIDS

1964 ◽  
Vol 47 (3) ◽  
pp. 419-432 ◽  
Author(s):  
Jean Crabbé
Keyword(s):  
Active Transport ◽  
Sodium Transport ◽  
Concentration Ratio ◽  
Effective Concentration ◽  
Toad Bladder ◽  
Active Sodium ◽  
Active Sodium Transport ◽  
Hormonal Effect ◽  
Serosal Surface

ABSTRACT Aldosterone can stimulate the active transport of sodium by the isolated toad bladder in vitro. Corticosterone, cortisol, 17β-oestradiol and progesterone had no such effect despite incubation of the preparation with more than 100 times the smallest effective concentration of aldosterone. When the serosal surface of the membranes was exposed to 10 μg% d-aldosterone combined with 100 times this concentration of corticosterone, cortisol or progesterone, the stimulating action of aldosterone was reduced. Spirolactone SC 9420 failed to exert by itself a significant effect on the isolated toad bladder in vitro, but this compound blocked the stimulation by aldosterone of active sodium transport in vitro when present at concentrations 50 times those of aldosterone. When the concentration ratio was 10:1, a hormonal effect could be demonstrated, except at the highest concentration of the drug used.

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