Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1997-5-1
pubmed:abstractText
Receptors for neuroligands in the paranodal Schwann cell region of a myelinated nerve fiber could have important functions. We have used confocal laser scanning microscopy in combination with Ca(2+)-sensitive fluorescent dyes to study the possible effects of purinergic agonists on the free intracellular calcium concentration ([Ca2+]i) in paranodes of isolated rat spinal roots. Application of ATP in concentrations of 100 and 300 microM resulted in a transient rise in [Ca2+]i in about 57% of the paranodal Schwann cell regions studied. UTP was equipotent to ATP whereas adenosine, beta,gamma-methylene ATP, and elevation of the extracellular K+ concentration by 10 mM had no effect on [Ca2+]i. These data indicate the presence of the P2Y2 (previously termed P2U) subtype of P2 receptors in the paranodal Schwann cell membrane of rat spinal root myelinated nerve fibers.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0304-3940
pubmed:author
pubmed:issnType
Print
pubmed:day
7
pubmed:volume
224
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
49-52
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Intracellular calcium transients mediated by P2 receptors in the paranodal Schwann cell region of myelinated rat spinal root axons.
pubmed:affiliation
Department of Physiology, University of Munich, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't