Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1993-3-10
pubmed:abstractText
A low molecular weight intracellular tracer, Neurobiotin, was injected into single neurons in living slices of rat neocortex made at postnatal days 5-18. Between days 5 and 12, 66% of single-neuron injections labeled clusters of up to 80 neurons surrounding the injected cell. Coupling between neurons occurred primarily through dendrites. Injections done in the presence of halothane, a gap junction blocker, abolished the spread of tracer to surrounding neurons, implying that gap junctions mediate coupling. Injections done after day 16 resulted in little or no dye coupling. We conclude that transient local coupling via gap junctions in developing cortex may provide a pathway for communicating intercellular signals, including subthreshold electrical activity, and thereby enable temporal coordination of local neuronal ensembles during circuit formation.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0896-6273
pubmed:author
pubmed:issnType
Print
pubmed:volume
10
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
103-14
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Extensive dye coupling between rat neocortical neurons during the period of circuit formation.
pubmed:affiliation
Department of Neurobiology, Duke University Medical Center, Durham, North Carolina 27710.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't