Rat supraoptic magnocellular neurones show distinct large conductance, Ca2+-activated K+ channel subtypes in cell bodies versus nerve endings

Journal of Physiology

Volumn 519, Issue 1, 1999, Pages 101-114

  Dopico, Alejandro M ^a   Widmer, Hélène ^a   Wang, Gang ^a   Lemos, José R ^a   Treistman, Steven N ^a  

^a UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALCOHOL; CALCIUM ION; CHARYBDOTOXIN; IBERIOTOXIN; POTASSIUM CHANNEL; POTASSIUM CHANNEL BLOCKING AGENT; CALCIUM ACTIVATED POTASSIUM CHANNEL;

ANIMAL CELL; ARTICLE; BRAIN NERVE CELL; CALCIUM CELL LEVEL; CONTROLLED STUDY; GIANT CELL; MAGNOCELLULAR NUCLEUS; MALE; NERVE ENDING; NEUROHYPOPHYSIS; NONHUMAN; PATCH CLAMP; PRIORITY JOURNAL; RAT; REPOLARIZATION; SUPRAOPTIC NUCLEUS; ANIMAL TISSUE; CELL BODY; CELL ISOLATION; ELECTROPHYSIOLOGY; IMMUNOCYTOCHEMISTRY; LIPID BILAYER; MEMBRANE CONDUCTANCE; MEMBRANE DEPOLARIZATION; MEMBRANE PERMEABILITY; MEMBRANE STEADY POTENTIAL; REVERSE TRANSCRIPTION POLYMERASE CHAIN REACTION; UBIQUITINATION;

ALKALOIDS; ANIMALS; BENZYLISOQUINOLINES; CALCIUM; CALCIUM CHANNEL BLOCKERS; EVOKED POTENTIALS; ION CHANNEL GATING; LARGE-CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNELS; MALE; NERVE ENDINGS; NEURONS; PATCH-CLAMP TECHNIQUES; POTASSIUM CHANNELS; POTASSIUM CHANNELS, CALCIUM-ACTIVATED; RATS; REACTION TIME; SUPRAOPTIC NUCLEUS;

EID: 0033567270     PISSN: 00223751     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1469-7793.1999.0101o.x     Document Type: Article

References (50)

1. ADLER, E. M., AUGUSTINE, G. J., DUFFY, S. N. & CHARLTON, M. P. (1991). Alien intracellular calcium chelators attenuate neurotransmitter release at the squid giant synapse. Journal of Neuroscience 11, 1496-1507.
2. BOURQUE, C. W., KIRKPATRICK, K. & JARVIS, C. R. (1998). Extrinsic modulation of spike afterpotentials in rat hypothalamoneurohypophysial neurons. Cellular and Molecular Neurobiology 18, 3-12.
3. 2+ increase in isolated neurosecretory nerve terminals measured with fura-2. Proceedings of the National Academy of Sciences of the USA 84, 1439-1443.
4. CAZALIS, M., DAYANITHI, G. & NORDMANN, J. J. (1985). The role of patterned burst and interburst interval on the excitation-coupling mechanism in the isolated rat neural lobe. Journal of Physiology 369, 45-60.
5. CAZALIS, M., DAYANITHI, G. & NORDMANN, J. J. (1987). Hormone release from isolated nerve terminals of the rat neurohypophisis. Journal of Physiology 390, 55-70.
6. CHU, B., DOPICO, A. M., LEMOS, J. R. & TREISTMAN, S. N. (1998). Ethanol potentiation of calcium-activated potassium channels reconstituted into planar lipid bilayers. Molecular Pharmacology 54, 397-406.
7. + channels are involved in both spike shaping and firing regulation in Helix neurones. Journal of Physiology 465, 265-287.
8. 2+ increase in isolated rat supraoptic cells. Journal of Physiology 490, 713-727.
9. 2+. Journal of Pharmacology and Experimental Therapeutics 284, 258-268.
10. + channels in isolated neurohypophysial terminals. Molecular Pharmacology 49, 40-48.
11. 2+-and ethanol sensitivity of BK channels in somata vs. terminals of CNS neurons. Biophysical Journal 74, A109.
12. ELKINS, T., GANETZKY, B. & WU, C. F. (1986). A Drosophila mutation that eliminates a calcium-dependent potassium current. Proceedings of the National Academy of Sciences of the USA 83, 8415-8419.
13. FABIATO, A. (1988). Computer programs for calculating total from specified free or free from specified total ionic concentrations in aqueous solutions containing multiple metals and ligands. In Methods in Enzymology, vol. 157, ATP-driven Pumps and Related transport, ed. FLEISCHER, F. & FLEISCHER, B., pp. 378-417. Academic Press, San Diego, CA, USA.
14. FISHER, T. E. & BOURQUE, C. W. (1996). Calcium-channel subtypes in the somata and axon terminals of magnocellular neurosecretory cells. Trends in Neurosciences 19, 440-444.
15. GARCIA, M. L., GALVEZ, A., GARCIA-CALVO, M., KING, V. F., VAZQUEZ, J. & KACZOROWSKI, G. J. (1991). Use of toxins to study potassium channels. Journal of Bioenergetics and Biomembranes 23, 615-645.
16. 2+ domains in Helix neurons. Neuron 10, 689-699.
17. GREFFRATH, W., MARTIN, E., REUSS, S. & BOEHMER, G. (1998). Components of after-hyperpolarization in magnocellular neurones of the rat supraoptic nucleus in vitro. Journal of Physiology 513, 403-506.
18. 2+-activated channels at fluorescently labeled presynaptic active zones of hair cells. Proceedings of the National Academy of Sciences of the USA 91, 7578-7582.
19. + channels of clonal pituitary (GH3) cells. Journal of Membrane Biology 157, 237-245.
20. KACZOROWSKI, G. J., KNAUS, H. G., LEONARD, R. J., MCMANUS, O. B. & GARCIA, M. L. (1996). High-conductance calcium-activated potassium channels; structure, pharmacology, and function. Journal of Bioenergetics and Biomembranes 28, 255-267.
21. + current in rat supraoptic neurons in vitro. Journal of Physiology 494, 389-398.
22. + channels in rat brain: targeting to axons and nerve terminals. Journal of Neuroscience 16, 955-963.
23. 2+ concentration of isolated rat supraoptic cells in response to oxytocin. Journal of Physiology 478, 275-288.
24. LESLIE, S. W., BARR, E., CHANDLER, J. & FARRAR, R. P. (1983). Inhibition of fast-and slow-phase depolarization-dependent synaptosomal calcium uptake by ethanol. Journal of Pharmacology and Experimental Therapeutics 225, 571-575.
25. LINDAU, M., STUENKEL, E. L. & NORDMANN, J. J. (1992). Depolarization, intracellular calcium and exocytosis in single verterbrate nerve endings. Biophysical Journal 61, 19-30.
26. MCMANUS, O. B. (1991). Calcium-activated potassium channels: regulation by calcium. Journal of Bioenergetics and Biomembranes 23, 537-560.
27. MORITA, K. & BARRETT, E. F. (1990). Evidence for two calcium-dependent potassium conductances in lizard motor nerve terminals. Journal of Neuroscience 10, 2614-2625.
28. MULLIKIN-KILPATRICK, D. & TREISTMAN, S. N. (1995). Inhibition of dihydropyridine sensitive Ca channels by ethanol in undifferentiated and nerve growth factor treated PC12 cells: Interaction with the inactivated state. Journal of Pharmacology and Experimental Therapeutics 272, 489-491
29. + channel splice variants among hair cells along the tonotopic axis of the chick cochlea. Neuron 19, 1077-1085.
30. OLIET, S. H. R. & BOURQUE, C. W. (1992). Properties of supraoptic magnocellular neurones isolated from the adult rat. Journal of Physiology 445, 291-306.
31. RAE, J., COOPER, K., GATES, P. & WATSKY, M. (1991). Low access resistance perforated patch recordings using amphotericin B. Journal of Neuroscience Methods 37, 15-26.
32. REINHARDT, P. H., CHUNG, S. & LEVITAN, I. B. (1989). A family of calcium-dependent potassium channels from rat brain. Neuron 2, 1031-1041.
33. ROBITAILLE, R. & CHARLTON, M. P. (1992). Presynaptic calcium signals and transmitter release are modulated by calcium-activated potassium channels. Journal of Neuroscience 21, 297-303.
34. + channel isoforms along the tonotopic gradient of the chicken cochlea. Neuron 19, 1061-1075.
35. 2+-independent long shut intervals in BK channels from rat muscle. Journal of Physiology 493, 673-689.
36. 2+ sensitivities of BK(Ca) isochannels in bovine mesenteric vascular smooth muscle. American Journal of Physiology 266, C1182-1189.
37. SCHREIBER, M. & SALKOFF, L. (1997). A novel calcium-sensing domain in the BK channel. Biophysical Journal 73, 1355-1363.
38. SHENG, M. & WYSZYNSKI, M. (1997). Ion channel targeting in neurons. BioEssays 19, 847-853.
39. + channel, expressed in oocytes. Biophysical Journal 70, 2640-2652.
40. + current in rat adrenal chromaffin cells. Journal of Neuroscience 15, 6110-6123.
41. STUENKEL, E. (1990). Effects of membrane depolarization on intracellular calcium in single nerve terminals. Brain Research 529, 96-101.
42. Ca channels incorporated into lipid bilayers. Journal of General Physiology 96, 373-394.
43. TORO, L., VACA, L. & STEFANI, E. (1991). Calcium-activated potassium channels from coronary smooth muscle reconstituted in lipid bilayers. American Journal of Physiology 260, H1779-1789.
44. TREISTMAN, S. N. & WILSON, A. H. (1987). Effects of ethanol on early potassium currents in Aplysia: Cell-specificity and influence of channel state. Journal of Neuroscience 7, 3207-3214.
45. 2+ current in isolated nerve terminals of the rat neurohypophysis. Pflügers Archiv 421, 558-565.
46. WANG, G. & LEMOS, J. R. (1995). Possible mechanisms underlying patterns of electric activity in neurohypophysial terminals. Society for Neuroscience Abstracts 21, 1091.
47. 2+-activated potassium channel and current in nerve terminals of the rat neurohypophysis. Journal of Physiology 457, 47-74.
48. Ca channels determined by a separable domain. Neuron 13, 671-681.
49. A synapses onto rat hippocampal CA1 pyramidal neurons. Journal of Neurophysiology 77, 1306-1312.
50. WIDMER, H., LEMOS, J. R. & TREISTMAN, S. N. (1998). Ethanol reduces the duration of single evoked spikes by a selective inhibition of voltage-gated calcium currents in acutely dissociated supraoptic neurons of the rat. Journal of Neuroendocrinology 10, 399-406.