Effects of barium, furosemide, ouabaine and 4,4′-diisothiocyanatostilbene-2,2′-disulfonic acid (DIDS) on ionophoretically-induced changes in extracellular potassium concentration in hippocampal slices from rats and from patients with epilepsy

Brain Research

Volumn 925, Issue 1, 2002, Pages 18-27

  Jauch, Regina ^a   Windmüller, Olaf ^a   Lehmann, Thomas Nicolas ^a   Heinemann, Uwe ^a   Gabriel, Siegrun ^a  

^a HUMBOLDT UNIVERSITY   (Germany)

Author keywords

Epilepsy; Hippocampus; Human; Potassium buffering; Rat

Indexed keywords

4,4' DIISOTHIOCYANATOSTILBENE 2,2' DISULFONIC ACID; BARIUM; FUROSEMIDE; GLUTAMATE RECEPTOR ANTAGONIST; OUABAIN; POTASSIUM; POTASSIUM CHANNEL; TETRAPROPYLAMMONIUM;

ANIMAL TISSUE; ARTICLE; CONTROLLED STUDY; DRUG EFFECT; EPILEPSY; EXTRACELLULAR SPACE; GLIA CELL; HIPPOCAMPUS; HUMAN; HUMAN TISSUE; NONHUMAN; POTASSIUM CELL LEVEL; POTASSIUM TRANSPORT; PRIORITY JOURNAL; RAT; SIGNAL TRANSDUCTION; STIMULUS RESPONSE;

2-AMINO-5-PHOSPHONOVALERATE; 4,4'-DIISOTHIOCYANOSTILBENE-2,2'-DISULFONIC ACID; ANESTHETICS, LOCAL; ANIMALS; BARIUM; BUFFERS; DIURETICS; ENZYME INHIBITORS; EPILEPSY; EXCITATORY AMINO ACID ANTAGONISTS; EXTRACELLULAR SPACE; FUROSEMIDE; HIPPOCAMPUS; HUMANS; IONTOPHORESIS; OUABAIN; POTASSIUM; QUATERNARY AMMONIUM COMPOUNDS; QUINOXALINES; RATS; RATS, WISTAR; SCLEROSIS; TETRODOTOXIN;

EID: 0037126962     PISSN: 00068993     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0006-8993(01)03254-1     Document Type: Article

References (54)

1. 2+ on membrane potential and ionic conductance in rat astrocytes
2. Ion activities and potassium uptake mechanisms of glial cells in guinea-pig olfactory cortex slices
3. Properties of human glial cells associated with epileptic seizure foci
4. + currents by 4-AP
5. Spatial buffering of potassium ions in brain extracellular space
6. Modification of potassium movement through the retina of the drone (Apis mellifera) by glial uptake
7. Dynamic variations of the brain cell microenvironment in relation to neuronal hyperactivity
8. Transient changes in the size of the extracellular space in the sensorimotor cortex of cats in relation to stimulus-induced changes in potassium concentration
9. - concentration in relation to changes in the size of the extracellular space
10. Relations between slow extracellular potential changes, glial potassium buffering, and electrolyte and cellular volume changes during neuronal hyperactivity in cat brain
11. Effects of barium on stimulus-induced changes in extracellular potassium concentration in area CA1 of hippocampal slices from normal and pilocarpine-treated epileptic rats
12. o in juvenile rat hippocampal area CA1
13. o and field potentials in dentate gyrus and area CA1 of human epileptic hippocampus
14. Analysis of potassium dynamics in brain tissue
15. Changes of extracellular potassium activity induced by electric current through brain tissue in the rat
16. 2+ induced epileptiform activity in rat hippocampal and entorhinal cortex slices during adolescence
17. Cellular mechanisms of potassium homeostasis in the mammalian nervous system
18. A voltage-gated chloride conductance in rat cultured astrocytes
19. +)-ATPase of bulk-isolated glia and neurons
20. +)-ATPase (EC 3.6.1.3) of bulk isolated glial cells, perikarya and synaptosomes from rabbit brain cortex
21. Anticonvulsant actions of furosemide in vitro
22. 2+ changes during epileptiform discharges in the immature rat neocortex
23. Extracellular potassium concentration in chronic alumina cream foci of cats
24. Alterations of glial cell function in temporal lobe epilepsy
25. Undershoots following stimulus-induced rises of extracellular potassium concentration in cerebral cortex of cat
26. Ceiling of stimulus induced rises in extracellular potassium concentration in the cerebral cortex of cat
27. Astrocytes in the hippocampus of patients with temporal lobe epilepsy display changes in potassium conductances
28. Dissociation of synchronization and excitability in furosemide blockade of epileptiform activity
29. + channel TASK-1 in the rat central nervous system
30. o in human epileptic non-sclerotic and sclerotic hippocampal area CA1
31. Extracellular ionic variations during spreading depression
32. + conductances in glial cells of mouse hippocampal brain slices
33. + potentials and focal potentials in the central nervous system
34. Molecular and functional properties of two-pore-domain potassium channels
35. o changes during hippocampal electrical stimulation
36. o in cat cortex
37. Carbachol effects on hippocampal neurons in vitro: Dependence on the rate of rise of carbachol tissue concentration
38. Ion diffusion modified by tortuosity and volume fraction in the extracellular microenvironment of the rat cerebellum
39. Diffusion from an iontophoretic point source in the brain: Role of tortuosity and volume fraction
40. Developmental changes in the number, size and orientation of GFAP-positive cells in the CA1 region of rat hippocampus
41. Effects of nerve impulses on the membrane potential of glial cells in the central nervous system of amphibia
42. Extracellular potassium, volume fraction, and tortuosity in rat hippocampal CA1, CA3, and cortical slices during ischemia
43. + channel Kir4.1, in adult rat CNS
44. Evoked ionic alterations in brain slices
45. + currents in rat spinal cord astrocytes
46. 2+
47. Potassium spatial buffer explored by diffusion analysis and barium in neocortex
48. Ion channels in glial cells
49. Barium-sensitive potassium channels in astrocytes: Properties and contribution to the membrane input conductance
50. Intense furosemide-sensitive potassium accumulation in astrocytes in the presence of pathologically high extracellular potassium levels
51. +-levels by astrocytes
52. Independent mechanisms of potassium clearance by astrocytes in gliotic tissue
53. Sodium pump activity, not glial spatial buffering, clears potassium after epileptiform activity induced in the dentate gyrus
54. Cell-type specific expression of ATP-sensitive potassium channels in the rat hippocampus