Laminar organization of epileptiform discharges in the rat entorhinal cortex in vitro

Journal of Physiology

Volumn 509, Issue 3, 1998, Pages 785-796

  Lopantsev, Valeri ^b   Avoli, Massimo ^a  

^a Box 356470 ^*  (Canada)

^b UNIVERSITY OF WASHINGTON MEDICAL CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

4 AMINOPYRIDINE; 6 CYANO 7 NITRO 2,3 QUINOXALINEDIONE; LIDOCAINE ETHOBROMIDE; N METHYL DEXTRO ASPARTIC ACID; N METHYL DEXTRO ASPARTIC ACID RECEPTOR BLOCKING AGENT; NICKEL;

ANIMAL TISSUE; ARTICLE; CONTROLLED STUDY; DEPOLARIZATION; ELECTRIC POTENTIAL; ENTORHINAL CORTEX; EPILEPTIC DISCHARGE; HYPERPOLARIZATION; INTRACELLULAR RECORDING; MALE; NONHUMAN; PIA MATER; PRIORITY JOURNAL; RAT; ADULT; AMPLITUDE MODULATION; ANIMAL CELL; ANIMAL EXPERIMENT; ANIMAL MODEL; BRAIN NERVE CELL; CALCIUM CURRENT; DISEASE ACTIVITY; IN VITRO STUDY; NERVE CELL MEMBRANE STEADY POTENTIAL; NEUROTRANSMISSION; SPIKE WAVE;

4-AMINOPYRIDINE; 6-CYANO-7-NITROQUINOXALINE-2,3-DIONE; ACTION POTENTIALS; ANIMALS; CALCIUM; ELECTROPHYSIOLOGY; ENTORHINAL CORTEX; EPILEPSY; EXCITATORY AMINO ACID ANTAGONISTS; MALE; NEURONS; ORGAN CULTURE TECHNIQUES; PIPERAZINES; RATS; RATS, SPRAGUE-DAWLEY; RECEPTORS, N-METHYL-D-ASPARTATE;

EID: 0032526240     PISSN: 00223751     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1469-7793.1998.785bm.x     Document Type: Article

References (39)

1. ALONSO, A. & KLINK, R. (1993). Differential electroresponsiveness of stellate and pyramidal-like cells of medial entorhinal cortex layer II. Journal of Neurophysiology 70, 128-143.
2. ANDREASEN, M. & LAMBERT, J. D. C. (1995). Regenerative properties of pyramidal cell dendrites in area CA1 of the rat hippocampus. Journal of Physiology 483, 421-441.
3. AVOLI, M., BARBAROSIE, M., LüCKE, A., NAGAO, T., LOPANTSEV, V. & KÖHLING, R. (1996). Synchronous GABA-mediated potentials and epileptiform discharges in the rat limbic system in vitro. Journal of Neuroscience 16, 3912-3924.
4. BARKAI, E., FRIEDMAN, A., GROSSMAN, Y. & GUTNICK, M. J. (1995). Laminar pattern of synaptic inhibition during convulsive activity induced by 4-aminopyridine in neocortical slices. Journal of Neurophysiology 73, 1462-1467.
5. BEAR, J., FOUNTAIN, N. B. & LOTHMAN, E. W. (1996). Responses of the superficial entorhinal cortex in vitro in slices from naive and chronically epileptic rats. Journal of Neurophysiology 76, 2928-2940.
6. BERRETTA, N. & JONES, R. S. G. (1996). A comparison of spontaneous EPSCS in layer II and layer IV-VI neurons of the rat entorhinal cortex in vitro. Journal of Neurophysiology 76, 1089-1100.
7. 0. Brain Research 590, 128-135.
8. 2+ conductance. Synapse 1, 582-588.
9. CAPOGNA, M., GÄHWILER, B. H. & THOMPSON, S. M. (1993). Mechanisms of μ-opioid receptor-mediated presynaptic inhibition in the rat hippocampus in vitro. Journal of Physiology 470, 539-558.
10. CHAGNAC-AMITAI, Y. & CONNORS, B. VV. (1989). Synchronized excitation and inhibition driven by intrinsically bursting neurons in neocortex. Journal of Neurophysiology 62, 1149-1162.
11. CHARPAK, S., PARÉ, D. & LLINAS, R. (1995). The entorhinal cortex entrains fast CA1 hippocampal oscillations in the anaesthetized guinea-pig: role of the monosynaptic component of the perforant path. European Journal of Neuroscience 7, 1548-1557.
12. CONNORS, B. W. (1984). Initiation of synchronized neuronal bursting in neocortex. Nature 310, 685-687.
13. DE LA PEÑA, E. & GEIJO-BARRIENTOS, E. (1996). Laminar localization, morphology, and physiological properties of pyramidal neurons that have the low-threshold calcium current in the guinea-pig medial frontal cortex. Journal of Neuroscience 16, 5301-5311.
14. DINGLEDINE, R. D., HYNES, M. A. & KING, L. (1986). Involvement of N-methyl-D-aspartate receptors in epileptiform bursting in the rat hippocampal slice. Journal of Physiology 380, 175-189.
15. EMPSON, R. M., GLOVELI, T., SCHMITZ, D. & HEINEMANN, U. (1995). Electrophysiology and morphology of a new type of cell within layer II of the rat lateral entorhinal cortex in vitro. Neuroscience Letters 193, 149-152.
16. EMPSON, R. M. & HEINEMANN, U. (1995). The perforant path projection to hippocampal area CA1 in the rat hippocampal-entorhinal cortex combined slice. Journal of Physiology 484, 707-720.
17. FINCH, D. M., WONG, E. E., DERIAN, E. L. & BABB, T. L. (1986). Neurophysiology of the limbic system pathways in the rat: projections from the subicular complex and hippocampus to the entorhinal cortex. Brain Research 397, 205-213.
18. GUTNICK, M. J., CONNORS, B. W. & PRINCE, D. A. (1982). Mechanisms of neocortical epileptogenesis in vitro. Journal of Neurophysiology 48, 1321-1335.
19. HERRON, C. E., WILLIAMSON, R. & COLLINGRIDGE, G. L. (1985). A selective N-methyl-D-aspartate antagonist depresses epileptiform activity in the rat hippocampal slices. Neuroscience Letters 61, 255-260.
20. HWA, G. G. C. & AVOLI, M. (1991). The involvement of excitatory amino acids in neocortical epileptogenesis: NMDA and non-NMDA receptors. Experimental Brain Research 86, 248-256.
21. JENSEN, M. S., Azouz, R. & YAARI, Y. (1994). Variant firing patterns in rat hippocampal pyramidal cells modulated by extracellular potassium. Journal of Neurophysiology 71, 831-839.
22. JOHNSTON, D. & BROWN, T. H. (1981). Giant synaptic potential hypothesis for epileptiform activity. Science 211, 294-297.
23. JONES, R. S. G. (1987). Complex synaptic responses of entorhinal cortical cells to stimulation of the subiculum in vitro: Demonstration of an NMDA-receptor mediated component. Neuroscience Letters 81, 209-214.
24. JONES, R. S. G. (1994). Synaptic and intrinsic properties of neurons of origin of the perforant path in layer II of the rat entorhinal cortex in vitro. Hippocampus 4, 335-353.
25. JONES, R. S. G. & HEINEMANN, U. (1988). Synaptic and intrinsic responses of medial entorhinal cortical cells in normal and magnesium-free medium in vitro. Journal of Neurophysiology 59, 1476-1496.
26. JONES, R. S. G. & LAMBERT, J. D. C. (1990). Synchronous discharges in the rat entorhinal cortex in vitro: site of initiation and the role of excitatory amino acid receptors. Neuroscience 34, 657-670.
27. KöHLER, C. (1988). Intrinsic connections of the retrohippocampal region in the rat brain: III. The lateral entorhinal area. Journal of Comparative Neurology 271, 208-228.
28. MILES, R. & WONG, R. K. S. (1983). Single neurones can initiate synchronized population discharge in the hippocampus. Nature 306, 371-373.
29. NAGAO, T., ALONSO, A. & AVOLI, M. (1996). Epileptiform activity induced by pilocarpine in combined slice of the rat hippocampus-entorhinal cortex. Neuroscience 72, 399-408.
30. NATHAN, T., JENSEN, M. S. & LAMBERT, J. D. C. (1990). The slow inhibitory postsynaptic potential in rat hippocampal neurons is blocked by intracellular injection of QX-314. Neuroscience Letters 110, 309-313.
31. PERREAULT, P. & AVOLI, M. (1992). 4-Aminopyridine-induced epileptiform activity and a GABA-mediated long-lasting depolarization in the rat hippocampus. Journal of Neuroscience 12, 104-115.
32. RUTECKI, P. A., LEBEDA, F. J. & JOHNSTON, D. (1987). 4-Aminopyridine produces epileptiform activity in hippocampus and enhances synaptic excitation and inhibition. Journal of Neurophysiology 57, 1911-1924.
33. SCHWARTZKROIN, P. A. & PRINCE, D. A. (1980). Changes in excitatory and inhibitory synaptic potentials leading to epileptogenic activity. Brain Research 183, 61-76.
34. SØRENSEN, K. E. (1985). Projection of the entorhinal area to the striatum, nucleus accumbens, and cerebral cortex in the guinea pig. Journal of Comparative Neurology 238, 308-322.
35. TRAUB, R. D., BORCK, C., COLLING, S. B. & JEFFERYS, J. G. R. (1996). On the structure of ictal events in vitro. Epilepsia 37, 879-891.
36. TRAUB, R. D., MILES, R. & JEFFERYS, J. G. R. (1993). Synaptic and intrinsic conductances shape picrotoxin-induced synchronized after-discharges in the guinea-pig hippocampal slice. Journal of Physiology 461, 525-547.
37. TRAUB, R. D. & WONG, R. K. S. (1982). Cellular mechanisms of neuronal synchronization in epilepsy. Science 216, 745-747
38. WITTE, O. W., SPECKMANN, E.-J. & WALDEN, J. (1987). Motor cortical epileptic foci in vivo: action of a calcium channel blocker on paroxysmal neuronal depolarizations. Electroencephalography and Clinical Neurophysiology 66, 43-55.
39. WITTER, M. P. (1993). Organization of the entorhinal-hippocampal system: a review of current anatomical data. Hippocampus 3 (suppl), 33-44.