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Distribution of Kir6.0 and SUR2 ATP-sensitive potassium channel subunits in isolated ventricular myocytes.
Proximal C-terminal domain of sulphonylurea receptor 2A interacts with pore-forming Kir6 subunits in KATP channels.
Results identify a site in the C-terminal domain of rSUR2A, between residues 1294 and 1358, whose direct interaction with full-length Kir6.2 is crucial for the assembly of functional KATP channels.
SUR2A C‐terminal fragments reduce KATP currents and ischaemic tolerance of rat cardiac myocytes
- R. D. Rainbow, D. Lodwick, D. Hudman, N. Davies, R. Norman, N. Standen
- BiologyThe Journal of physiology
- 1 June 2004
The data are consistent with a role for KATP channels in causing action potential failure and reduced Ca2+ loading during metabolic stress, and with a major role in protection by preconditioning.
The origin of calcium overload in rat cardiac myocytes following metabolic inhibition with 2,4-dinitrophenol.
- D. Hudman, R. D. Rainbow, C. Lawrence, N. Standen
- BiologyJournal of molecular and cellular cardiology
- 1 July 2002
The results suggest that the initial rise in cytoplasmic calcium seen on application of 2,4-dinitrophenol results from release of mitochondrial calcium because of mitochondrial depolarization, while the second phase is caused by progressive release of calcium from the sarcoplasmic reticulum following depletion of intracellular ATP.
KATP channels mediate the β2-adrenoceptor agonist-induced relaxation of rat detrusor muscle.
Early opening of sarcolemmal ATP-sensitive potassium channels is not a key step in PKC-mediated cardioprotection.
Protection from the effects of metabolic inhibition and reperfusion in contracting isolated ventricular myocytes via protein kinase C activation.
Isolation of <Glu-Asn-Phe-His-Leu-Arg-Pro-NH2 (Antho-RPamide II), a novel, biologically active neuropeptide from sea anemones
Inhibition of the contractile responses of isolated human and rat bladders by clenbuterol.
The expansion behaviour of sea anemones may be coordinated by two inhibitory neuropeptides, Antho-KAamide and Antho-RIamide
- I. D. Mcfarlane, D. Hudman, H. Nothacker, C. Grimmelikhuijzen
- BiologyProceedings of the Royal Society of London…
- 23 August 1993
It is hypothesize that nerve cells that release Antho-KAamide andAntho-RIamide are involved in the expansion phase of feeding behaviour in sea anemones.