Inhibition of voltage-dependent Na+ current in cell-fusion hybrids containing activated c-Ha-ras.

Abstract excerpt

The electrophysiological properties of EJ (human bladder carcinoma), GM2291 (human fetal lung fibroblast), and of three hybrid cell lines obtained from their cell fusion were investigated using the patch-clamp technique. GM2291 cells, which are nontumorigenic, express voltage-dependent Na+ channels. The pharmacology and gating properties of the Na+ channels in GM2291 cells are distinct from neuronal and cardiac...

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