pubmed-article:6099413 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:6099413 | lifeskim:mentions | umls-concept:C0037492 | lld:lifeskim |
pubmed-article:6099413 | lifeskim:mentions | umls-concept:C0040549 | lld:lifeskim |
pubmed-article:6099413 | lifeskim:mentions | umls-concept:C0036451 | lld:lifeskim |
pubmed-article:6099413 | lifeskim:mentions | umls-concept:C1510827 | lld:lifeskim |
pubmed-article:6099413 | lifeskim:mentions | umls-concept:C2603343 | lld:lifeskim |
pubmed-article:6099413 | pubmed:issue | 4 | lld:pubmed |
pubmed-article:6099413 | pubmed:dateCreated | 1985-5-15 | lld:pubmed |
pubmed-article:6099413 | pubmed:abstractText | The neurotoxic action of toxin gamma from the venom of the Brazilian scorpion Tityus serrulatus (TiTx gamma) has been investigated in cultured mouse neuroblastoma cells (N1E115) using the suction pipette technique. Addition of 14 to 53 nM TiTx gamma to the external solution causes nerve cell membrane depolarization, membrane potential oscillations and spontaneous action potentials within 10 min. None of these effects were observed within 15 min after application of 1 microM toxin IV from Centruroides sculpturatus venom. Under voltage clamp the amplitude of the sodium current evoked by test pulses to potentials more positive than -30 mV is reversibly reduced by 50% after 17 to 105 nM TiTx gamma. On the other hand, a sodium current component appears after TiTx gamma at test pulse potentials between -70 and -40 mV, for which no sodium current is observed in the control experiment. The outward potassium current is not significantly affected by the highest TiTx gamma concentrations used. The potential-dependence of inactivation of the sodium current component that is induced by TiTx gamma is shifted by -30 mV with respect to control values. The local anaesthetic procain at 1 mM discriminates between the two populations of sodium channels observed in the presence of TiTx gamma. | lld:pubmed |
pubmed-article:6099413 | pubmed:language | eng | lld:pubmed |
pubmed-article:6099413 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6099413 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:6099413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6099413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6099413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6099413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6099413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6099413 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:6099413 | pubmed:issn | 0021-7948 | lld:pubmed |
pubmed-article:6099413 | pubmed:author | pubmed-author:LazdunskiMM | lld:pubmed |
pubmed-article:6099413 | pubmed:author | pubmed-author:VijverbergH... | lld:pubmed |
pubmed-article:6099413 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:6099413 | pubmed:volume | 79 | lld:pubmed |
pubmed-article:6099413 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:6099413 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:6099413 | pubmed:pagination | 275-9 | lld:pubmed |
pubmed-article:6099413 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
pubmed-article:6099413 | pubmed:meshHeading | pubmed-meshheading:6099413-... | lld:pubmed |
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pubmed-article:6099413 | pubmed:meshHeading | pubmed-meshheading:6099413-... | lld:pubmed |
pubmed-article:6099413 | pubmed:year | 1984 | lld:pubmed |
pubmed-article:6099413 | pubmed:articleTitle | A new scorpion toxin with a very high affinity for sodium channels. An electrophysiological study. | lld:pubmed |
pubmed-article:6099413 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:6099413 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |