Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2001-2-22
pubmed:abstractText
Medial entorhinal cortex (EC) deep layer neurons projecting to the dentate gyrus (DG) were studied. Neurons, retrogradely-labelled with rhodamine-dextran-amine were characterized electrophysiologically with the patch clamp technique and finally labelled with biocytin. Pyramidal and nonpyramidal neurons form projections from the deep layers of the EC to the molecular layer of the DG. In addition, both classes of projection neurons send ascending axon collaterals to the superficial layers of the EC. Both classes of neurons were characterized physiologically by regular action potential firing upon depolarizing current injection. While a substantial number of pyramidal projection cells showed intrinsic membrane potential oscillations, none of the studied nonpyramidal cells exhibited oscillations. Despite the morphological similarity of bipolar and multipolar cells to those of GABAergic interneurons in the EC, their electrophysiological characteristics were similar to those of principal neurons and immunocytochemistry for GABA was negative. We conclude, that neurons of the deep layers of the medial EC projecting to the DG may function as both local circuit and projecting neurons thereby contributing to synchronization between deep layers of the EC, superficial layers of the EC and the DG.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0953-816X
pubmed:author
pubmed:issnType
Print
pubmed:volume
13
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
413-20
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Properties of entorhinal cortex deep layer neurons projecting to the rat dentate gyrus.
pubmed:affiliation
Johannes-Müller-Institute of Physiology at the Charité, Humboldt University, Berlin, Tucholskystrasse 2, 10117 Berlin, Germany. tengis.gloveli@charite.de
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't