Membrane-delimited coupling between sigma receptors and K+ channels in rat neurohypophysial terminals requires neither G-protein nor ATP.

J Physiol 526, 527-539, (2000). Lupardus, P. J., Wilke, R. A., Aydar, E., Palmer, C. P., Chen, Y., Ruoho, A. E., et al. View abstract in PubMed