Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1994-9-2
pubmed:abstractText
Capillary electrophoresis has been used to directly identify and measure the neurotransmitter, dopamine, in two vesicular compartments in a single nerve cell of Planorbis corneus. Dopamine in the cytoplasm and in easily released transmitter vesicles was separated from dopamine in what are apparently non-functional storage vesicles. In this method, the two peaks in the electropherogram attributed to dopamine were differentiated based on cell lyse time in a non-physiological buffer. The measurements presented here suggest that of the total dopamine present in the cell: 24% is in the cytoplasmic and easily released compartments and 76% is more centrally located, perhaps in a reserve compartment, in the cell. This methodology provides the means to determine molecular species in subcellular compartments and should allow kinetic parameters associated with membrane lysing to be evaluated at single nerve cells.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0165-0270
pubmed:author
pubmed:issnType
Print
pubmed:volume
51
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
183-8
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Capillary electrophoresis of single cells: observation of two compartments of neurotransmitter vesicles.
pubmed:affiliation
Department of Chemistry, 152 Davey Laboratory, University Park, PA 16802.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't