Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
1990-11-19
|
pubmed:abstractText |
The mechanisms responsible for the stimulation of insulin release from the pancreatic beta-cell by hypoglycemic sulfonylureas are reviewed herein. One hypothesis postulates that these agents act, at the level of the plasma membrane, by causing the closure of a class of K+ channels characterized by their sensitivity to ATP. This may lead to depolarization of the plasma membrane, gating of voltage-sensitive Ca2+ channels, increase in cytosolic Ca2+ activity, and activation of the effector system for insulin release. However, it is not evident that the closure of ATP-sensitive K+ channels accounts for effects of sulfonylureas such as inhibition of K+ inflow into the islet cells, increase in their Na+ content, or even stimulation of Ca2+ inflow and insulin release at physiological or higher concentrations of D-glucose.
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Aug
|
pubmed:issn |
0149-5992
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
13 Suppl 3
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
9-17
|
pubmed:dateRevised |
2011-11-17
|
pubmed:meshHeading | |
pubmed:year |
1990
|
pubmed:articleTitle |
Mechanisms of sulfonylurea-induced insulin release.
|
pubmed:affiliation |
Laboratory of Experimental Medicine, Brussels Free University, Belgium.
|
pubmed:publicationType |
Journal Article,
Review,
Research Support, Non-U.S. Gov't
|