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EMBO J. Oct 15, 1999; 18(20): 5540–5547.
PMCID: PMC1171622

Oncogenic potential of EAG K(+) channels.


We have investigated the possible implication of the cell cycle-regulated K(+) channel ether à go-go (EAG) in cell proliferation and transformation. We show that transfection of EAG into mammalian cells confers a transformed phenotype. In addition, human EAG mRNA is detected in several somatic cancer cell lines, despite being preferentially expressed in brain among normal tissues. Inhibition of EAG expression in several of these cancer cell lines causes a significant reduction of cell proliferation. Moreover, the expression of EAG favours tumour progression when transfected cells are injected into immune-depressed mice. These data provide evidence for the oncogenic potential of EAG.

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