Phenotype of a recombinant store-operated channel: highly selective permeation of Ca2+.

Abstract excerpt

1. Genes related to trp (transient receptor potential) are proposed to encode store-operated channels. We examined the ionic permeation of recombinant channels formed by stable and transient expression of the TRP homologue bCCE1 in Chinese hamster ovary (CHO) cells (CHO(CCE1)) and rat basophilic leukaemia (RBL) cells, respectively. 2. Store-operated currents were activated in CHO(CCE1) cells by internal dialysis...

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