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Am J Physiol 1981 Sep 01;2413:C154-9. doi: 10.1152/ajpcell.1981.241.3.C154.
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Transport properties of toad kidney epithelia in culture.

Perkins FM , Handler JS .

The characteristics of a continuous line of toad kidney epithelial cells (A6) are described. These cells form a monolayer epithelium of high transepithelial electrical resistance (about 5,000 omega . cm2). The cells generate a transepithelial potential difference (apical surface negative) of about 9 mV. The short-circuit current is equivalent to net sodium flux. Net sodium flux is stimulated by aldosterone and by analogues of cAMP. The stimulation is readily reversible. Neither urea permeability nor osmotic water flow is altered by analogues of cAMP. Amiloride eliminates 90% of the short-circuit current. Thus A6 cells form an epithelium with several differentiated properties including hormonal regulation of transport.

PubMed ID: 6269434
Article link: Am J Physiol
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