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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
9
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pubmed:dateCreated |
1983-1-19
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pubmed:abstractText |
The possibility that opioid peptides and noradrenaline co-exist not only in the desheathed bundle of bovine splenic nerve which contains approximately 98% sympathetic C-fibers, but also in the population of large dense-cored noradrenergic vesicles from these fibers, has been investigated. The primary fraction of large dense-cored vesicles which can be prepared at about 85% purity has been further subjected to density gradient and fractional centrifugation procedures, including D2O-loading and unloading on modified second gradients, in an attempt to separate any minor population of particles which potentially could contain opioid peptides and contaminate the large dense-cored vesicle fraction. Measurement of opioid peptides, noradrenaline, dopamine and dopamine beta-hydroxylase activity supports the conclusion that opioid peptides are stored in the primary population of large dense-cord vesicles per se, rather than in a minor population of contaminating particles from cells other than sympathetic C-fibers. This conclusion has implications for exocytotic release and the physiological role of the opioid peptides intra- and extra-neuronally. Nerve vesicle opioid peptides have a size less than 5000 daltons, in contrast to the high proportion of large peptides containing enkephalin sequences in the bovine adrenal medulla.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:issn |
0306-4522
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pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
7
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
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pubmed:pagination |
2255-61
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:7145093-Adrenergic Fibers,
pubmed-meshheading:7145093-Animals,
pubmed-meshheading:7145093-Cattle,
pubmed-meshheading:7145093-Centrifugation, Density Gradient,
pubmed-meshheading:7145093-Dopamine,
pubmed-meshheading:7145093-Dopamine beta-Hydroxylase,
pubmed-meshheading:7145093-Enkephalins,
pubmed-meshheading:7145093-Norepinephrine,
pubmed-meshheading:7145093-Spleen,
pubmed-meshheading:7145093-Synaptic Vesicles
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pubmed:year |
1982
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pubmed:articleTitle |
Opioid peptides and noradrenaline co-exist in large dense-cored vesicles from sympathetic nerve.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't
|