rdf:type |
|
lifeskim:mentions |
umls-concept:C0006675,
umls-concept:C0007634,
umls-concept:C0021547,
umls-concept:C0030685,
umls-concept:C0205102,
umls-concept:C0391871,
umls-concept:C0597357,
umls-concept:C0680255,
umls-concept:C1283071,
umls-concept:C1314792,
umls-concept:C1963578
|
pubmed:issue |
2
|
pubmed:dateCreated |
1995-5-30
|
pubmed:abstractText |
Since the role of intrinsic inactivation of the receptor for inositol 1,4,5-trisphosphate (InsP3) in the phenomenon of quantal release of Ca2+ is still a point of debate, we investigated whether inactivation of the InsP3 receptor can be responsible for quantal release in permeabilized A7r5 cells. A crucial experiment was that a second challenge of the cells with a low dose of InsP3, after washing out the first challenge, was unable to produce a renewed phasic response under conditions where the Ca2+ pumps were blocked. A new phasic response was however obtained with either addition of a higher dose of InsP3 or after allowing the refilling of the Ca2+ stores. We conclude therefore that quantal Ca2+ release in A7r5 cells is not due to InsP3 receptor inactivation.
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Calcium,
http://linkedlifedata.com/resource/pubmed/chemical/Calcium Channels,
http://linkedlifedata.com/resource/pubmed/chemical/Inositol 1,4,5-Trisphosphate,
http://linkedlifedata.com/resource/pubmed/chemical/Inositol 1,4,5-Trisphosphate...,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Cytoplasmic and Nuclear,
http://linkedlifedata.com/resource/pubmed/chemical/Terpenes,
http://linkedlifedata.com/resource/pubmed/chemical/Thapsigargin
|
pubmed:status |
MEDLINE
|
pubmed:month |
Apr
|
pubmed:issn |
0006-291X
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
17
|
pubmed:volume |
209
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
451-6
|
pubmed:dateRevised |
2007-7-18
|
pubmed:meshHeading |
pubmed-meshheading:7733912-Animals,
pubmed-meshheading:7733912-Calcium,
pubmed-meshheading:7733912-Calcium Channels,
pubmed-meshheading:7733912-Cell Compartmentation,
pubmed-meshheading:7733912-Cell Line,
pubmed-meshheading:7733912-Inositol 1,4,5-Trisphosphate,
pubmed-meshheading:7733912-Inositol 1,4,5-Trisphosphate Receptors,
pubmed-meshheading:7733912-Muscle, Smooth,
pubmed-meshheading:7733912-Rats,
pubmed-meshheading:7733912-Receptors, Cytoplasmic and Nuclear,
pubmed-meshheading:7733912-Terpenes,
pubmed-meshheading:7733912-Thapsigargin
|
pubmed:year |
1995
|
pubmed:articleTitle |
Quantal release of calcium in permeabilized A7r5 cells is not caused by intrinsic inactivation of the inositol trisphosphate receptor.
|
pubmed:affiliation |
Laboratorium voor Fysiologie, K.U.Leuven Campus Gasthuisberg O/N, Belgium.
|
pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, Non-U.S. Gov't
|