Slow recovery from inactivation of Na+ channels underlies the activity- dependent attenuation of dendritic action potentials in hippocampal CA1 pyramidal neurons

Journal of Neuroscience

Volumn 17, Issue 17, 1997, Pages 6512-6521

  Colbert, Costa M ^a   Magee, Jeffrey C ^a,b   Hoffman, Dax A ^a   Johnston, Daniel ^a  

^a BAYLOR COLLEGE OF MEDICINE   (United States)

^b LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Cell attached; Electrophysiology; Modulation; Potassium channels; Rat; Whole cell

Indexed keywords

SODIUM CHANNEL;

ACTION POTENTIAL; ANIMAL CELL; ARTICLE; CHANNEL GATING; CONTROLLED STUDY; DENDRITE; HIPPOCAMPUS; MALE; NONHUMAN; POTASSIUM CURRENT; PRIORITY JOURNAL; PYRAMIDAL NERVE CELL; RAT; SODIUM CURRENT;

EID: 0030873774     PISSN: 02706474     EISSN: None     Source Type: Journal    
DOI: 10.1523/jneurosci.17-17-06512.1997     Document Type: Article

References (26)

1. Andreasen M, Lambert JDC (1995) Regenerative properties of pyramidal cell dendrites in area CA1 of the rat hippocampus. J Physiol (Lond) 483:421-441.
2. Callaway JC, Ross WN (1995) Frequency dependent propagation of sodium action potentials in dendrites of hippocampal CA1 pyramidal neurons. J Neurophysiol 74:1395-1403.
3. Cannon SC (1996) Slow inactivation of sodium channels: more than just a laboratory curiosity. Biophys J 71:5-7.
4. Cantrell AR, Ma JY, Scheurer T, Catterall WA (1996) Muscarinic modulation of sodium current by activation of protein kinase C in rat hippocampal neurons. Neuron 16:1019-1026.
5. Catterall WA (1992) Cellular and molecular biology of voltage-gated sodium channels. Physiol Rev 72:S15-S48.
6. + current underlies the activity-dependent decrease in dendritic action potential amplitude. Soc Neurosci Abstr 22:315.3.
7. + channel densities in the soma and axon initial segment of subicular pyramidal neurons. J Neurosci 16:6676-6686.
8. + current and slow cumulative spike adaptation in mouse and guinea-pig neocortical neurones in slices. J Physiol (Lond) 493.1:83-97.
9. Hoffman DA, Magee JC, Colbert CM, Johnston D (1997) Potassium channel regulation of signal propagation in dendrites of hippocampal pyramidal neurons. Nature 387:869-875.
10. Huang RC (1993) Sodium and calcium currents in acutely dissociated neurons from rat suprachiasmatic nucleus. J Neurophysiol 70:1692-1703.
11. 2+ entry into hippocampal neurons. Nature 357:244-246.
12. Li M, West JW, Lai Y, Scheuer T, Catterall WA (1992) Functional modulation of brain sodium channels by cAMP-dependent phosphorylation. Neuron 8:1151-1159.
13. 2+ channels in apical dendrites of rat CA1 pyramidal neurons. J Physiol (Lond) 487:67-90.
14. Magee JC, Johnston D (1997) A synaptically controlled, associative sig-nal for hebbian plasticity in hippocampal neurons. Science 275:209-213.
15. Markram H, Tsodyks M (1996) Redistribution of synaptic efficacy between neocortical pyramidal neurons. Nature 382:807-810.
16. Markram H, Lübke J, Frotscher M, Sakmann B (1997) Regulation of synaptic efficacy by coincidence of postsynaptic Aps and EPSPs. Science 275:213-215.
17. Migliore M (1996) Modeling the attenuation and failure of action potentials in the dcndrites of hippocampal neurons. Biophys J 71:2394-2403.
18. Moore JW, Narahashi T, Ulbricht W (1964) Sodium conductance shift in an axon internally perfused with a sucrose and low-potassium solution. J Physiol (Lond) 172:163-173.
19. + currents by protein kinase C activators in mouse neuroblastoma cells. J Membr Biol 144:59-69.
20. Rudy B (1978) Slow inactivation of the sodium conductance in squid giant axons: pronase resistance. J Physiol (Lond) 283:1-21.
21. Ruff RL, Simoncini L, Stuhmer W (1988) Slow sodium channel inactivation in mammalian muscle: a possible role in regulating excitability. Muscle Nerve 11:502-510.
22. Spruston N, Schiller Y, Stuart G, Sakmann B (1995) Activity-dependent action potential invasion and calcium influx into hippocampal CA1 dendrites. Science 268:297-300.
23. 2+], changes in the dendrites of hippocampal CA1 pyramidal neurons. J Neurophysiol 76:2896-2906.
24. Tsubokawa H, Ross WN (1997) Pharmacological modulation of spike propagation in the apical dendrites of hippocampal pyramidal cells. J Neurosci, in press.
25. Turner RW, Meyers DER, Richardson TL, Barker JL (1991) The site for initiation of action potential discharge over the somatodendritic axis of rat hippocampal CA1 pyramidal neurons. J Neurosci 11:2270-2280.
26. + channel subtypes in central neurons. Neuron 3:695-704.