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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
15
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pubmed:dateCreated |
1994-5-19
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pubmed:abstractText |
Cystic fibrosis is a major inherited disorder involving abnormalities of fluid and electrolyte transport in a number of different organs. Epithelial cells of cystic fibrosis patients have a decreased capacity to secrete chloride in response to cAMP-mobilizing agents because of the mutation of a single gene. The gene product, the cystic fibrosis transmembrane conductance regulator or CFTR, is a chloride channel. The most frequent mutation is a deletion of phenylalanine in position 508 (delta F508-CFTR) that reduces both the expression of the CFTR protein at the cell surface, and the activity of the Cl- channel. This work presents the properties of NS004, a substituted benzimidazolone, which is the first activator of normal and mutant CFTR-associated chloride channels to be described. NS004 activated CFTR and delta F508-CFTR Cl- channels expressed in Xenopus oocytes, and increased 125I efflux (via the Cl- channel) from Vero cells expressing CFTR and delta F508-CFTR. Application of NS004 to the external side of outside-out patches excised from these CFTR- and delta F508-CFTR-expressing cells induced a marked and reversible increase in channel activity.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/1-Methyl-3-isobutylxanthine,
http://linkedlifedata.com/resource/pubmed/chemical/Benzimidazoles,
http://linkedlifedata.com/resource/pubmed/chemical/Chloride Channels,
http://linkedlifedata.com/resource/pubmed/chemical/Chlorophenols,
http://linkedlifedata.com/resource/pubmed/chemical/Cystic Fibrosis Transmembrane...,
http://linkedlifedata.com/resource/pubmed/chemical/Forskolin,
http://linkedlifedata.com/resource/pubmed/chemical/Membrane Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/NS 004
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0021-9258
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
269
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
10983-6
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7512555-1-Methyl-3-isobutylxanthine,
pubmed-meshheading:7512555-Animals,
pubmed-meshheading:7512555-Benzimidazoles,
pubmed-meshheading:7512555-Chloride Channels,
pubmed-meshheading:7512555-Chlorophenols,
pubmed-meshheading:7512555-Cystic Fibrosis Transmembrane Conductance Regulator,
pubmed-meshheading:7512555-Female,
pubmed-meshheading:7512555-Forskolin,
pubmed-meshheading:7512555-Ion Channel Gating,
pubmed-meshheading:7512555-Kinetics,
pubmed-meshheading:7512555-Membrane Potentials,
pubmed-meshheading:7512555-Membrane Proteins,
pubmed-meshheading:7512555-Oocytes,
pubmed-meshheading:7512555-Plasmids,
pubmed-meshheading:7512555-Transfection,
pubmed-meshheading:7512555-Vero Cells,
pubmed-meshheading:7512555-Xenopus laevis
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pubmed:year |
1994
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pubmed:articleTitle |
The substituted benzimidazolone NS004 is an opener of the cystic fibrosis chloride channel.
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pubmed:affiliation |
Department of Central Nervous System Biophysics and Molecular Biology, Bristol-Myers Squibb Pharmaceutical Research Institute, Wallingford, Connecticut 06492.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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