Direct demonstration of sulphonylurea-sensitive KATP channels on nerve terminals of the rat motor cortex

Kevin Lee, Alistair K. Dixon, Iain C.M. Rowe, Michael L.J. Ashford, Peter J. Richardson

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

We examined whether ATP-sensitive potassium (KATP) channels are present on presynaptic terminals of the rat motor cortex, an area of the CNS exhibiting a high density of sulphonylurea binding. A novel fused nerve terminal preparation was developed which produced structures amenable to patch clamp methods. In inside-out recordings a K+channel was observed which possessed all the major features of the Type 1 KATP channel, including sensitivity to ATP and the antidiabetic sulphonylureas.
Original languageEnglish
Pages (from-to)385-388
Number of pages4
JournalBritish Journal of Pharmacology
Volume115
Issue number3
DOIs
Publication statusPublished - Jun 1995

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