Inhibition of experimental colon cancer metastasis by the GABA-receptor agonist nembutal.

Abstract

Gamma-aminobutyric acid (GABA) is an inhibitory neurotransmitter, and GABA receptors have been recently detected on epithelial colon cancer cells. Nembutal (pentobarbital) is a barbiturate with GABA-agonistic effects. We demonstrate that GABA receptors are present on colon cancer cell lines (KM12SM, HT29, RKO). Nembutal (0.1-500 microg/ml) continuous… (More)

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