Potassium currents in acutely isolated neurons from superficial and deep layers of the juvenile rat entorhinal cortex

Pflugers Archiv European Journal of Physiology

Volumn 432, Issue 4, 1996, Pages 637-643

  Eder, Claudia ^a   Heinemann, Uwe ^a  

^a HUMBOLDT UNIVERSITY   (Germany)

Author keywords

Entorhinal cortex; Fast transient K+ current; Kinetics; Pharmacology; Pyramidal cells; Slowly inactivating K+ current; Stellate cells

Indexed keywords

4 AMINOPYRIDINE; DENDROTOXIN; TETRYLAMMONIUM;

ACTION POTENTIAL; ANIMAL CELL; ARTICLE; CELL TYPE; CONTROLLED STUDY; ENTORHINAL CORTEX; KINETICS; NONHUMAN; PATCH CLAMP; POTASSIUM CURRENT; PRIORITY JOURNAL; PYRAMIDAL NERVE CELL; RAT; STELLATE CELL;

4-AMINOPYRIDINE; ANIMALS; ELECTRIC STIMULATION; ENTORHINAL CORTEX; MEMBRANE POTENTIALS; NEURONS; POTASSIUM CHANNELS; RATS; RATS, WISTAR; TETRAETHYLAMMONIUM; TETRAETHYLAMMONIUM COMPOUNDS;

EID: 0029738526     PISSN: 00316768     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004240050180     Document Type: Article

References (29)

1. +-dependent theta-like rhythmicity in stellate evils of entorhinal cortex layer II. Nature 342:175-177
2. Andreasen M, Hablitz JJ (1992) Kinetic properties of a transient outward current in rat neocortical neurons. J Neurophysiol 68:1133-1142
3. Dreier JP, Heinemann U (1990) Late low magnesium-induced epileptiform activity in rat entorhinal cortex slices becomes insensitive to the anticonvulsant valproic acid. Neurosci Lett 119:68-70
4. Eder C, Heinemann U (1994) Current density analysis of outward currents in acutely isolated rat entorhinal cortex cells. Neurosci Lett 174:58-60
5. Eder C, Ficker E, Gündel J, Heinemann U (1991) Outward currents in rat entorhinal cortex stellate cells studied with conventional and perforated patch recordings. Eur J Neurosci 3:1271-1280
6. Fan S, Stewart M, Wong RKS (1994) Differences in voltage-dependent sodium currents exhibited by superficial and deep layer neurons of guinea pig entorhinal cortex. J Neurophysiol 71:1986-1991
7. Ficker E, Heinemann U (1992) Slow and fast transient potassium currents in cultured rat hippocampal cells. J Physiol (Lond) 445:431-455
8. Foehring, RC, Surmeier DJ (1993) Voltage-gated potassium currents in acutely dissociated rat cortical neurons. J Neurophysiol 70:51-63
9. Halliwell JV, Othman IB, Pelchen-Matthews A, Dolly JO (1986) Central action of dendrotoxin: selective reduction of a transient K conductance in hippocampus and binding to localized acceptors. Proc Natl Acad Sci USA 83:493-497
10. Hamill OP, Marly A, Neher E, Sakmann B, Sigworlh FJ (1981) Improved patch-clamp techniques for high-resolution current recording from cells and cell-free membrane patches. Pflügers Arch 391:85-100
11. Heinemann U, Zhang CL., Eider C (1993) Entorhinal cortex-hippocampal interactions in normal and epileptic temporal lobe. Hippocampus 3:89-98
12. Huguenard JR, Coulter DA, Prince DA (1991) A last transient potassium current in thalamic relay neurons: kinetics of activation and inactivation. J Neurophysiol 66:1304-1315
13. Jones RSG (1993) Entorhinal-hippocampal connections: a speculative view of their function. Trends Neurosci 16:58-64
14. Jones RSG, Heinemann U (1988) Synaptic and intrinsic responses of medial entorhinal cortical cells in normal and magnesium-free medium in vitro. J Neurophysiol 59:1476-1496
15. Kay AR, Wong RKS (1986) Isolation of neurons suitable for patch-clamping from adult mammalian central nervous systems. J Neurosci Methods 16:227-238
16. Klee R, Ficker E, Heinemann LJ (1995) Comparison of voltage-dependent potassium currents in rat pyramidal neurons acutely isolated from hippocampal regions CA1 and CA3. J Neurophysiol 74:1982-1995
17. Kolb HA (1990) Potassium channels in excitable and non-excitable cells. Rev Physiol Biochem Pharmacol 115:51-91
18. Oyama Y, Harata N, Akaike N (1991) Delayed potassium current and non-specific outward current in pyramidal neurones acutely dissociated from rat hippocampus. Brain Res 568:350-354
19. Numann RE, Wadman WJ, Wong RKS (1987) Outward currents of single hippocampal cells obtained from the adult guinea-pig. J Physiol (Lond). 393:331-353
20. Rizzo MA, Nonner W (1992) Transient K current in the somatic membrane of cultured central neurons of embryonic rat. J Neurophysiol 68:1708-1719
21. Rudy B (1988) Diversity and ubiquity of K channels. Neuroscience 25:729-749
22. Spain WJ, Schwindt PC, Crill WE (1991) Two transient potassium currents in layer V pyramidal neurones from cat sensorimotor cortex. J Physiol (Lond) 434:591-607
23. + currents. J Neurophysiol 68:55-69
24. Thompson S (1982) Aminopyridine block of transient potassium current. J Gen Physiol 80:1-18
25. + current in neurohypophysial nerve terminals of the rat. J Physiol (Lond) 432:313-326
26. Van Hoesen GW, Hyman BT, Damasio AR (1991) Entorhinal cortex pathology in Alzheimer's disease. Hippocampus 1:1-8
27. + current in the medial entorhinal cortex. Neuron 11:1037-1047
28. Zbicz KL, Weight FF (1984) Transient voltage and calcium-dependent outward currents in hippocampal CA3 pyramidal neurons. J Neurophysiol 53:1038-1058
29. Zona C, Pirrone G, Avoli M, Dichter M (1988) Delayed and fast transient potassium currents in rat neocortical neurons in cell culture. Neurosci Lett 94:285-290