Physiological role of calcium-activated potassium currents in the rat lateral amygdala

Journal of Neuroscience

Volumn 22, Issue 5, 2002, Pages 1618-1628

  Faber, E S Louise ^a   Sah, Pankaj ^a  

^a AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

Author keywords

Adaptation; AHP; Apamin; BK channels; Paxilline; SK channels

Indexed keywords

1 ETHYL 2 BENZIMIDAZOLINONE; 4 AMINOPYRIDINE; APAMIN; CALCIUM ACTIVATED POTASSIUM CHANNEL; CALCIUM ION; CARBACHOL; DENDROTOXIN; IBERIOTOXIN; NORADRENALIN; PAXILLINE; POTASSIUM CHANNEL BLOCKING AGENT; POTASSIUM ION; TETRYLAMMONIUM; UCL 1848; UNCLASSIFIED DRUG; VOLTAGE GATED POTASSIUM CHANNEL;

ACTION POTENTIAL; ADAPTATION; AFTERHYPERPOLARIZATION; AMYGDALOID NUCLEUS; ANIMAL TISSUE; ARTICLE; CALCIUM CONDUCTANCE; CALCIUM TRANSPORT; NERVE CELL; NERVE POTENTIAL; NEUROPHYSIOLOGY; NONHUMAN; POTASSIUM CURRENT; PRIORITY JOURNAL; RAT; REPOLARIZATION;

EID: 0036522964     PISSN: 02706474     EISSN: None     Source Type: Journal    
DOI: 10.1523/jneurosci.22-05-01618.2002     Document Type: Article

References (56)

1. Benardo LS, Prince DA (1982) Ionic mechanisms of cholinergic excitation in mammalian hippocampal pyramidal cells. Brain Res 249:333-344.
2. v 1.2) L-type calcium channels in rat CA1 hippocampal pyramidal neurons. J Neurosci 21;RC175:1-6.
3. Brenner R, Jegla TJ, Wickenden A, Liu Y, Aldrich RW (2000) Cloning and functional characterisation of novel large conductance calcium-activated potassium channel β subunits, hKCNMB3 and hKCNMB4. J Biol Chem 275:6453-6461.
4. Castle NA, Haylett DG, Jenkinson DH (1989) Toxins in the characterization of potassium channels. Trends Neurosci 12:59-65.
5. + channel. J Med Chem 43:3478-3481.
6. + channels. Ann NY Acad Sci 868:233-285.
7. Cole AE, Nicoll RA (1984) Characterization of a slow cholinergic postsynaptic potential recorded in vitro from rat hippocampal cells. J Physiol (Lond) 352:173-188.
8. Dworetzky SI, Trojnacki JT, Gribkoff VK (1994) Cloning and expression of a human large-conductance calcium-activated potassium channel. Brain Res Mol Brain Res 27:189-193.
9. Dworetsky SI, Boissard CG, Lum-Ragan M, McKay C, Post-Munson DJ, Tronjnacki JT, Chang C-P, Gribkoff VK (1996) Phenotypic alteration of a human BK (hslo) channels by hslo-beta subunit coexpression: Changes in blocker sensitivity, activation/relaxation and inactivation kinetics, and protein kinase A modulation. J Neurosci 16:4543-4550.
10. Faber ESL, Sah P (2000) The effect of a 4-AP sensitive potassium current on neurones of the rat lateral amygdala. Soc Neurosci Abstr 26:897.
11. Faber ESL, Callister RJ, Sah P (2001) Morphological and electrophysiological properties of principal neurons in the rat lateral amygdala in vitro. J Neurophysiol 85:714-723.
12. Galvez A, Gimenez-Gallego G, Reuben J, Roy-Contancin L, Feigenbaum P, Kaczorowski G, Garcia M (1990) Purification and characterization of a unique, potent, peptidyl probe for the high conductance calcium-activated potassium channel from venom of the scorpion Buthus tamulus. J Biol Chem 265:11083-11090.
13. Haas HL, Konnerth A (1983) Histamine and noradrenaline decrease calcium-activated potassium conductance in hippocampal pyramidal cells. Nature 302:432-434.
14. Jackson MB, Konnerth A, Augustine GJ (1991) Action potential broadening and frequency-dependent facilitation of calcium signals in pituitary nerve terminals. Proc Natl Acad Sci USA 888:380-384.
15. + currents. Neurosci Lett 231:13-16.
16. Jung HY, Mickus T, Spruston N (1997) Prolonged sodium channel inctivation contributes to dendritic action potential attenuation in hippocampal pyramidal neurons. J Neurosci 17:6639-6646.
17. + channel from smooth muscle. J Biol Chem 269:17274-17278.
18. Kohler M, Hischberg B, Bond CT, Kinzie JM, Marrion NV, Maylie J, Adelman JP (1996) Small-conductance, calcium-activated potassium channels from mammalian brain. Science 273:1709-1714.
19. Lancaster B, Adams PR (1986) Calcium-dependent current generating the afterhyperpolarization of hippocampal neurons. J Neurophysiol 55:1268-1282.
20. Lancaster B, Nicoll RA (1987) Properties of two calcium-activated hyperpolarizations in rat hippocampal neurones. J Physiol (Lond) 389:187-204.
21. Lancaster B, Pennefather PS (1987) Potassium currents evoked by brief depolarizations in bull-frog sympathetic ganglion cells. J Physiol (Lond) 387:519-548.
22. LeDoux JE (1995) Emotion: Clues from the brain. Annu Rev Psychol 46:209-235.
23. Lovell PV, McCobb DP (2001) Pituitary control of BK potassium channel function and intrinsic firing properties of adrenal chromaffin cells. J Neurosci 21:3429-3442.
24. Madison DV, Nicoll RA (1982) Noradrenaline blocks accommodation of pyramidal cell discharge in the hippocampus. Nature 299:636-638.
25. Mahanty NK, Sah P (1998) Calcium-permeable AMPA receptors mediate long-term potentiation in interneurons in the amygdala. Nature 394:683-687.
26. 2+ channels in hippocampal neurons. Nature 395:900-905.
27. McDonald AJ (1984) Neuronal organisation of the lateral and basolateral amygdaloid nuclei of the rat. J Comp Neurol 222:589-606.
28. McManus OB, Helms LM, Pallanck L, Ganetzky B, Swanson R, Leonard RJ (1995) Functional role of the β subunit of high conductance calcium-activated potassium channels. Neuron 14:645-650.
29. + channel resistant to charybdotoxin and iberiotoxin. Proc Natl Acad Sci USA 97:5562-5567.
30. 2+-activated potassium channels by retaining the gating the bursting states. J Gen Physiol 113:425-439.
31. + current underlying the slow spike-frequency adaptation in hippocampal neurons. Neuron 11:1023-1035.
32. + channels. J Biol Chem 276:9762-9769.
33. Pitkänen A, Savander V, LeDoux JE (1997) Organization of intraamygdaloid circuitries in the rat: An emerging framework for understanding functions of the amygdala. Trends Neurosci 20:517-523.
34. Price JL, Russchen FT, Amaral DG (1987) The Limbic Region. II: The Amygdaloid Complex. Amsterdam: Elsevier.
35. + currents in neurones: Types, physiological roles and modulation. Trends Neurosci 19:150-154.
36. i reveals slow kinetics of potassium channels underlying the afterhyperpolarization in hippocampal pyramidal neurons. J Neurosci 19:3657-3664.
37. Sah P, McLachlan EM (1992) Potassium currents contributing to action potential repolarization and the afterhyperpolarization in rat vagal motoneurons. J Neurophysiol 68:1834-1841.
38. Sanchez M, McManus OB (1996) Paxilline inhibition of the a subunit of the high conductance calcium-activated potassium channel. Neuropharmacology 35:963-968.
39. + channels expressed in mammalian cell lines. Br J Pharmacol 129:627-630.
40. + channels in spike broadening during repetitive firing in rat hippocampal pyramidal cells. J Physiol (Lond) 521:135-146.
41. + channel subunits, SK1, SK2 and SK3 in the adult rat central nervous system. Mol Cell Neurosci 15:476-493.
42. + current in hippocampal pyramidal neurons. Proc Natl Acad Sci USA 96:4662-4667.
43. Storm JF (1987) Action potential repolarization and a fast after-hyperpolarization in rat hippocampal pyramidal cells. J Physiol (Lond) 385:733-759.
44. Storm JF (1990) Potassium currents in hippocampal pyramidal cells. Prog Brain Res 83:161-187.
45. 2+. Neuropharmacology 35:903-914.
46. + channels stably expressed in HEK 293 cells. Br J Pharmacol 129:991-999.
47. + current in rat adrenal chromaffin cells. J Neurosci 15:6110-123.
48. + channel β subunit from human brain. Proc Natl Acad Sci USA 93:9200-9205.
49. + channel. J Biol Chem 275:23211-23218.
50. Vegara C, Latorre R, Marrion NV, Adelman JP (1998) Calcium-activated potassium channels. Curr Opin Neurobiol 8:321-329.
51. + channels: A transmembrane β-subunit homolog. Proc Natl Acad Sci USA 96:4137-4142.
52. Washburn MS, Moises HC (1992) Muscarinic responses of rat basolateral amygadaloid neurons recorded in vitro. J Physiol (Lond) 449:121-154.
53. Wolfart J, Neuhoff H, Franz O, Roeper J (2001) Differential expression of the small-conductance, calcium-activated potassium channel SK3 is critical for pacemaker control in dopaminergic midbrain neurons. J Neurosci 21:3443-3456.
54. Womble MD, Moises HC (1993) Muscarinic modulation of conductances underlying the afterhyperpolarisation in neurons of the rat basolateral amygdala. Brain Res 621:87-96.
55. 2+- and voltage-dependent BK channels in adrenal chromaffin cells and rat insulinoma tumor cells. J Neurosci 19:5255-5264.
56. 2+-activated voltage-dependent BK currents: Consequences of rapid inactivation by a novel β subunit. J Neurosci 20:4890-4903.