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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
1998-8-13
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pubmed:abstractText |
Previous studies have shown that transgenic mice over-expressing NGF in the skin have novel sympathetic 'basket-like' projections to sensory neurons similar to that seen in models of chronic pain. Since only a subset of sensory neurons in the NGF-transgenic mice received the sympathetic projections, we hypothesized that sympathetic sprouting was targeted to those neurons affected by increased levels of NGF. To test this, double-label immunohistochemistry for the NGF receptor (trkA) and sympathetic baskets was performed. Thirty-nine percent of all neurons in transgenic trigeminal ganglia were trkA-positive. Moreover, of the population of sensory neurons that received sympathetic input, 84% were trkA-positive. These results indicate that retrogradely transported NGF can induce and direct growth of sympathetic axons in vivo.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Apr
|
pubmed:issn |
0959-4965
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pubmed:author | |
pubmed:issnType |
Print
|
pubmed:day |
20
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pubmed:volume |
9
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1103-7
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:9601676-Animals,
pubmed-meshheading:9601676-Ganglia, Sympathetic,
pubmed-meshheading:9601676-Immunohistochemistry,
pubmed-meshheading:9601676-Mice,
pubmed-meshheading:9601676-Mice, Transgenic,
pubmed-meshheading:9601676-Nerve Growth Factors,
pubmed-meshheading:9601676-Neural Pathways,
pubmed-meshheading:9601676-Neurons, Afferent,
pubmed-meshheading:9601676-Receptor, trkA,
pubmed-meshheading:9601676-Skin,
pubmed-meshheading:9601676-Trigeminal Ganglion
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pubmed:year |
1998
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pubmed:articleTitle |
Over-expression of NGF in skin causes formation of novel sympathetic projections to trkA-positive sensory neurons.
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pubmed:affiliation |
Department of Anatomy, University of Kentucky College of Medicine, Lexington 40536-0084, USA.
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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.
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