rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
3
|
pubmed:dateCreated |
1988-5-3
|
pubmed:abstractText |
The sodium channel blocker tetrodotoxin partially inhibited [3H]batrachotoxinin-A 20-alpha-benzoate binding to rat brain synaptosomes. This inhibition results from a decrease in the apparent affinity of the radioligand, which indicates that sites 1 and 2 of the sodium channel are not independent as thought previously. Computer-assisted data analysis allowed two binding sites for BTX-B to be distinguished. These sites could be differentiated by means of the divalent cations Mg2+ and Ca2+, that inhibit BTX-B binding completely. Tetrodotoxin diminished the inhibition by Mg2+ and vice versa, suggesting a common mechanism of action for the inhibition.
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Jan
|
pubmed:issn |
0014-2999
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
19
|
pubmed:volume |
145
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
261-6
|
pubmed:dateRevised |
2006-11-15
|
pubmed:meshHeading |
pubmed-meshheading:2450762-Animals,
pubmed-meshheading:2450762-Batrachotoxins,
pubmed-meshheading:2450762-Brain,
pubmed-meshheading:2450762-Calcium,
pubmed-meshheading:2450762-Dose-Response Relationship, Drug,
pubmed-meshheading:2450762-Ion Channels,
pubmed-meshheading:2450762-Magnesium,
pubmed-meshheading:2450762-Male,
pubmed-meshheading:2450762-Models, Biological,
pubmed-meshheading:2450762-Neurotoxins,
pubmed-meshheading:2450762-Rats,
pubmed-meshheading:2450762-Rats, Inbred Strains,
pubmed-meshheading:2450762-Synaptosomes,
pubmed-meshheading:2450762-Tetrodotoxin
|
pubmed:year |
1988
|
pubmed:articleTitle |
[3H]batrachotoxinin-A 20-alpha-benzoate binding to sodium channels in rat brain: sensitivity to tetrodotoxin and divalent cations.
|
pubmed:affiliation |
Division of Medicinal Chemistry, State University Leiden, The Netherlands.
|
pubmed:publicationType |
Journal Article,
In Vitro
|