Differential effects of K+ channel blockers on frequency-dependent action potential broadening in supraoptic neurons

Brain Research Bulletin

Volumn 53, Issue 2, 2000, Pages 203-209

  Hlubek, Michael D ^a   Cobbett, Peter ^a  

^a MICHIGAN STATE UNIVERSITY   (United States)

Author keywords

4 Aminopyridine; Action potential broadening; Model; Potassium channel; Supraoptic

Indexed keywords

4 AMINOPYRIDINE; CHARYBDOTOXIN; POTASSIUM CHANNEL BLOCKING AGENT; TETRYLAMMONIUM;

ACTION POTENTIAL; ANIMAL CELL; ARTICLE; CALCIUM CHANNEL; CONTROLLED STUDY; ELECTROPHYSIOLOGY; GUINEA PIG; NEUROSECRETORY CELL; NONHUMAN; POTASSIUM CHANNEL; PRIORITY JOURNAL; SUPRAOPTIC NUCLEUS;

4-AMINOPYRIDINE; ACTION POTENTIALS; ANIMAL; CADMIUM CHLORIDE; CELLS, CULTURED; CHARYBDOTOXIN; GUINEA PIGS; MALE; NEURONS; PATCH-CLAMP TECHNIQUES; POTASSIUM CHANNEL BLOCKERS; POTASSIUM CHANNELS; SUPPORT, U.S. GOV'T, P.H.S.; SUPRAOPTIC NUCLEUS; TETRAETHYLAMMONIUM;

EID: 0034665181     PISSN: 03619230     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0361-9230(00)00335-X     Document Type: Article

References (37)

1. Mechanism of frequency dependent broadening of molluscan neurone soma spikes
2. Burst discharge in mammalian neuroendocrine cells involves an intrinsic regenerative mechanism
3. Analysis of intracellularly recorded phasic bursting by mammalian neuroendocrine cells
4. Spike broadening in magnocellular neuroendocrine cells of rat hypothalamic slices
5. 1 dopamine receptors through a cAMP/protein kinase A-dependent mechanism
6. Relative efficiency of neural firing patterns of vasopressin release in vitro
7. Transient calcium-dependent potassium current magnocellular neurosecretory cells of the rat supraoptic nucleus
8. Calcium-dependent potassium conductance in rat supraoptic nucleus neurosecretory neurons
9. Calcium-dependent action potentials in rat supraoptic neurosecretory neurones recorded in vitro
10. Activity dependence of action potential duration in rat supraoptic neurosecretory neurones recorded in vitro
11. Characterization of three types of potassium current in cultured neurones of rat supraoptic nucleus area
12. Voltage-clamp recordings from identified dissociated neuroendocrine cells of the adult rat supraoptic nucleus
13. Phasic firing enhances vasopressin release from the rat neurohypophysis
14. Voltage-gated calcium currents in the magnocellular neurosecretory cells of the rat supraoptic nucleus
15. + current in acutely isolated supraoptic neurons from adult rat
16. 2+ current types in acutely dissociated rat supraoptic magnocellular neurons
17. The selective inhibition of delayed potassium currents in nerve by tetraethylammonium ion
18. Outward potassium currents of supraoptic magnocellular neurosecretory cells isolated from the adult guinea pig
19. Potassium current involvement in frequency-dependent spike broadening in guinea pig supraoptic neurons
20. 2+-channel currents in bovine chromaffin cells
21. Intracellular EGTA alters phasic firing of neurons in the rat supraoptic nucleus in vitro
22. Action potential broadening and frequency-dependent facilitation of calcium signals in pituitary nerve terminals
23. Dual role for calcium in the control of spike duration in rat supraoptic neuroendocrine cells
24. Consequences and mechanisms of spike broadening of r20 cells in Aplysia californica
25. + currents in frequency-dependent spike broadening in Aplysia R20 neurons; A dynamic-clamp analysis
26. Complex action potential waveform recorded from supraoptic and paraventricular neurones of the rat; Evidence for sodium and calcium spike components at different membrane sites
27. + channels from mammalian skeletal muscle
28. Transient outward current in adult rat supraoptic neurones with slice patch-clamp technique; Inhibition by angiotensin II
29. Somatic currents contribute to frequency-dependent spike-broadening in supraoptic neuroendocrine cells
30. Properties of supraoptic magnocellular neurones isolated from the adult rat
31. Electrophysiological differentiation of oxytocin- and vasopressin-secreting neurons
32. Voltage-dependent potentiation of neuronal L-type calcium channels due to state-dependent phosphorylation
33. Sustained outward rectification of oxytocinergic neurones in the rat supraoptic nucleus; Ionic dependence and pharmacology
34. Three pharmacologically distinct potassium channels in molluscan neurones
35. Calcium and sodium currents evoked by action potential waveforms in rat sympathetic neurones
36. Facilitation of N-type calcium current is dependent on the frequency of action potential-like depolarizations in dissociated cholinergic basal forebrain neurons of the guinea pig