Literature DB >> 887932

Synaptic mechanism of pentylenetetrazole: selectivity for chloride conductance.

T C Pellmar, W A Wilson.   

Abstract

In the neurons of Aplysia californica pentylenetetrazole (2 millimolar) greatly reduced chloride-dependent responses to the iontophoresis of putative transmitters. At the same concentration, pentylenetetrazole caused less attenuation of the other iontophoretic responses and had minimal membrane effects. Several convulsants have been observed to have a similar selectivity for the chloride conductance. A common mechanism of convulsant action--reduction of transmitter-induced chloride conductances--is hypothesized.

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Year:  1977        PMID: 887932     DOI: 10.1126/science.887932

Source DB:  PubMed          Journal:  Science        ISSN: 0036-8075            Impact factor:   47.728


  12 in total

1.  Early seizure detection in rats based on vagus nerve activity.

Authors:  Kristian R Harreby; Cristian Sevcencu; Johannes J Struijk
Journal:  Med Biol Eng Comput       Date:  2010-10-02       Impact factor: 2.602

Review 2.  The role of the brain stem in generalized epileptic seizures.

Authors:  C L Faingold
Journal:  Metab Brain Dis       Date:  1987-06       Impact factor: 3.584

3.  Interactions of some anaesthetic, convulsant, and anticonvulsant drugs at GABA-benzodiazepine receptor-ionophore complexes in rat brain synaptosomal membranes.

Authors:  J H Skerritt; G A Johnston
Journal:  Neurochem Res       Date:  1983-10       Impact factor: 3.996

4.  Protection against the lethal effects of pentobarbital in mice by a benzodiazepine receptor inverse agonist, 6,7-dimethoxy-4-ethyl-3-carbomethoxy-beta-carboline.

Authors:  H Havoundjian; G F Reed; S M Paul; P Skolnick
Journal:  J Clin Invest       Date:  1987-02       Impact factor: 14.808

5.  Amino acid sequence of a prothoracicotropic hormone of the silkworm Bombyx mori.

Authors:  H Nagasawa; H Kataoka; A Isogai; S Tamura; A Suzuki; A Mizoguchi; Y Fujiwara; A Suzuki; S Y Takahashi; H Ishizaki
Journal:  Proc Natl Acad Sci U S A       Date:  1986-08       Impact factor: 11.205

6.  Antagonism of various tonic convulsions in mice by dextrorphan and dizocilpine.

Authors:  N Akaike; N Himori
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1993-06       Impact factor: 3.000

7.  Changes in [Ca2+]o and [K+]o during repetitive electrical stimulation and during pentetrazol induced seizure activity in the sensorimotor cortex of cats.

Authors:  U Heinemann; J Louvel
Journal:  Pflugers Arch       Date:  1983-09       Impact factor: 3.657

8.  Anticonvulsant actions of the putative gamma-aminobutyric acid (GABA)-mimetic, ethylenediamine.

Authors:  P F Morgan; T W Stone
Journal:  Br J Pharmacol       Date:  1982-11       Impact factor: 8.739

9.  Activation of ATP-sensitive potassium channels in follicle-enclosed xenopus oocytes by the epileptogenic agent pentylenetetrazol.

Authors:  N Klöcker; U Musshoff; M Madeja; E J Speckmann
Journal:  Pflugers Arch       Date:  1996-03       Impact factor: 3.657

Review 10.  The GABA postsynaptic membrane receptor-ionophore complex. Site of action of convulsant and anticonvulsant drugs.

Authors:  R W Olsen
Journal:  Mol Cell Biochem       Date:  1981-09-25       Impact factor: 3.396

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