Modest increase in extracellular potassium unmasks effect of recurrent mossy fiber growth

Journal of Neurophysiology

Volumn 84, Issue 5, 2000, Pages 2380-2389

  Hardison, Jeremy L ^a   Okazaki, Maxine M ^a   Victor Nadler, J ^a  

^a DUKE UNIVERSITY MEDICAL CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

4 AMINOBUTYRIC ACID; BICUCULLINE; GLYCINE DERIVATIVE; POTASSIUM ION;

ANIMAL CELL; ANIMAL TISSUE; ARTICLE; BRAIN SLICE; DENTATE GYRUS; GRANULE CELL; MALE; MOSSY FIBER; NERVE CELL PLASTICITY; NERVE FIBER GROWTH; NERVE FUNCTION; NONHUMAN; POTASSIUM TRANSPORT; PRIORITY JOURNAL; RAT; SYNAPTIC INHIBITION; TEMPORAL LOBE EPILEPSY;

EID: 0033730356     PISSN: 00223077     EISSN: None     Source Type: Journal    
DOI: 10.1152/jn.2000.84.5.2380     Document Type: Article

References (68)

1. Unit analysis of hippocampal population spikes
2. Synaptic reorganization by mossy fibers in human epileptic fascia dentata
3. Network properties of the dentate gyrus in epileptic rats with hilar neuron loss and granule cell axon reorganization
4. Highly specific neuron loss preserves lateral inhibitory circuits in the dentate gyrus of kainate-induced epileptic rats
5. GABAergic inhibition and the induction of spontaneous epileptiform activity by low chloride and high potassium in the hippocampal slice
6. The functional anatomy and pathology of lithium-pilocarpine and high-dose pilocarpine seizures
7. Functional anatomy of limbic seizures: Focal discharges from medial entorhinal cortex in rat
8. Pharmacology and functions of metabotropic glutamate receptors
9. Electrophysiology of dentate granule cells after kainate-induced synaptic reorganization of the mossy fibers
10. Histochemical demonstration of heavy metals. A revised version of the sulphide silver method suitable for both light and electron microscopy
11. Involvement of N-methyl-D-aspartate receptors in epileptiform bursting in the rat hippocampal slice
12. Differential regulation of synaptic inputs to dentate hilar border interneurons by metabotropic glutamate receptors
13. Preferential neuronal loss in layer III of the medial entorhinal cortex in rat models of temporal lobe epilepsy
14. Preferential neuronal loss in layer III of the entorhinal cortex in patients with temporal lobe epilepsy
15. Electrophysiological properties of dentate granule cells in mouse hippocampal slices maintained in vitro
16. Physiologic and morphologic characteristics of granule cell circuitry in human epileptic hippocampus
17. Interneurons of the hippocampus
18. Electrophysiology of dentate gyrus granule cells
19. Differential epilepsy-associated alterations in postsynaptic GABA(A) receptor function in dentate granule and CA1 neurons
20. Decrement of GABA(A) receptor-mediated inhibitory postsynaptic currents in dentate granule cells in epileptic hippocampus
21. Positive feedback from hilar mossy cells to granule cells in the dentate gyrus revealed by voltage-sensitive dye and microelectrode recording
22. Variant firing patterns in rat hippocampal pyramidal cells modulated by extracellular potassium
23. Spatial selectivity of unit activity in the hippocampal granular layer
24. Activation of metabotropic glutamate receptor type 2/3 suppresses transmission at rat hippocampal mossy fibre synapses
25. Epileptiform burst activity induced by potassium in the hippocampus and its regulation by GABA-mediated inhibition
26. 2+ in pyramidal layers of the rat's hippocampus
27. Status epilepticus and the late development of spontaneous seizures in the pilocarpine model of epilepsy
28. Blockade of pilocarpine- or kainate-induced mossy fiber sprouting by cycloheximide does not prevent subsequent epileptogenesis in rats
29. The dentate gyrus as a control point for seizures in the hippocampus and beyond
30. Ionic changes and alterations in the size of the extracellular space during epileptic activity
31. Target-specific expression of presynaptic mossy fiber plasticity
32. Circuit mechanisms of seizures in the pilocarpine model of chronic epilepsy: Cell loss and mossy fiber sprouting
33. Synchronized afterdischarges in the hippocampus: Contribution of local circuit interaction
34. Mossy fiber-granule cell synapses in the normal and epileptic rat dentate gyrus studied with minimal laser photostimulation
35. Loss of glutamate decarboxylase-containing neurons in the rat dentate gyrus following pilocarpine-induced seizures
36. Hippocampal mossy fiber sprouting and synapse formation after status epilepticus in rats: Visualization after retrograde transport of biocytin
37. Recurrent mossy fiber pathway in rat dentate gyrus: Synaptic currents evoked in presence and absence of seizure-induced growth
38. Glutamate receptor involvement in antidromically-driven epileptiform discharge of dentate granule cells
39. Perpetual inhibitory activity in mammalian brain slices generated by spontaneous GABA release
40. Burst characteristics of dentate gyrus granule cells: Evidence for endogenous and non-synaptic properties
41. Role of potassium and calcium in the generation of cellular bursts in the dentate gyrus
42. Physiological unmasking of new glutamatergic pathways in the dentate gyrus of hippocampal slices from kainate-induced epileptic rats
43. Potassium-dependent prolonged field bursts in the dentate gyrus: Effects of extracellular calcium and amino acid receptor antagonists
44. Modification of seizure activity by electrical stimulation. II. Motor seizure
45. Hippocampal plasticity in childhood epilepsy
46. Epileptiform activity induced by changes in extracellular potassium in hippocampus
47. Distinct short-term plasticity at two excitatory synapses in the hippocampus
48. Use-dependent increases in glutamate concentration activate presynaptic metabotropic glutamate receptors
49. EPSPs of dentate gyrus granule cells during epileptiform bursts of hilar 'mossy' cells and area CA 3 pyramidal cells in disinhibited rat hippocampal slices
50. Chronic changes in synaptic responses of entorhinal and hippocampal neurons after amino-oxyacetic acid (AOAA)-induced entorhinal cortical neuron loss
51. Prolonged field bursts in the dentate gyrus: Dependence on low calcium, high potassium and nonsynaptic mechanisms
52. Relationship between synaptic activity and prolonged field bursts in the dentate gyrus of the rat hippocampal slice
53. Differential presynaptic localization of metabotropic receptor subtypes in the rat hippocampus
54. Decreased hippocampal inhibition and a selective loss of interneurons in experimental epilepsy
55. Hippocampal slices from kindled rats show an increased sensitivity for induction of epileptiform activity by changes in extracellular ion concentrations
56. 2+](o) response patterns
57. Bilateral maximal dentate activation is critical for the appearance of an afterdischarge in the dentate gyrus
58. Induction of paroxysmal discharges in the dentate gyrus: Frequency dependence and relationship to afterdischarge production
59. Mossy fiber synaptic reorganization in the epileptic human temporal lobe
60. Evidence of functional mossy fiber sprouting in the hippocampal formation of kainic acid-treated rats
61. Model of synchronized epileptiform bursts induced by high potassium in CA 3 region of rat hippocampal slice. Role of spontaneous EPSPs in initiation
62. Potassium-induced spontaneous electrographic seizures in the rat hippocampal slice
63. Role of extracellular space in hyperosmotic suppression of potassium-induced electrographic seizures
64. Limbic seizures produced by pilocarpine in rats: Behavioral, electroencephalographic and neuropathological study
65. Swelling and potassium uptake in cultured astrocytes
66. Functional interactions between neurons and astrocytes. II. Potassium homeostasis at the cellular level
67. Metabotropic glutamate receptor agonist DCG-IV as NMDA receptor agonist in immature rat hippocampal neurons