Linked Life Data

11169469

Source:http://linkedlifedata.com/resource/pubmed/id/11169469

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2001-2-22
pubmed:abstractText
SNARE complex proteins have critical functions during regulated vesicular release of neurotransmitter. In addition, they play critical roles during neurite outgrowth and synaptogenesis. Although it is clear that the function of any one SNARE complex protein during release of neurotransmitter is dependent on its association with other members of the complex, it is less certain whether their function during development and differentiation is dependent on interaction with one another. Previously, we have observed transient high levels of SNARE complex protein SNAP-25 in developing cholinergic amacrine cells (West Greenlee et al. [1998] J Comp Neurol 394:374-385). In addition, we detected, high levels of SNAP-25 in developing and mature photoreceptors. To better understand the functional significance of these high levels of SNAP-25 expression, we used immunocytochemistry to examine the developmental expression of the three members of the SNARE complex, SNAP-25, Syntaxin, and vesicle associated membrane protein (VAMP/also Synaptobrevin). Our results demonstrate that the high levels of SNAP-25 in cholinergic amacrine cells and photoreceptors are not accompanied by the same relatively high levels of other SNARE complex proteins. These results suggest that high levels of SNAP-25 in specific cell types may function independently of association with Syntaxin and VAMP. In this analysis, we characterized the changing patterns of immunoreactivity for the three SNARE complex proteins during the development and differentiation of the mammalian retina. We have compared the pattern of expression of the core SNARE complex proteins in the Brazilian opossum, Monodelphis domestica, and in the rat and found common patterns of expression between these diverse mammalian species. We observed temporal differences in the onset of immunoreactivity between these three proteins, and differences in their localization within synaptic layers in the developing and mature mammalian retina. This study is the first to characterize the changing expression patterns of the three SNARE complex proteins in the developing central nervous system. The differential distribution of SNAP-25, Syntaxin, and VAMP may indicate additional roles for these proteins during vesicle trafficking events, which are independent of their association with one another.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0021-9967
pubmed:author
pubmed:copyrightInfo
Copyright 2001 Wiley-Liss, Inc.
pubmed:issnType
Print
pubmed:day
12
pubmed:volume
430
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
306-20
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed-meshheading:11169469-Acetylcholine, pubmed-meshheading:11169469-Animals, pubmed-meshheading:11169469-Animals, Newborn, pubmed-meshheading:11169469-Choline O-Acetyltransferase, pubmed-meshheading:11169469-Female, pubmed-meshheading:11169469-Membrane Proteins, pubmed-meshheading:11169469-Nerve Tissue Proteins, pubmed-meshheading:11169469-Opossums, pubmed-meshheading:11169469-Photoreceptor Cells, pubmed-meshheading:11169469-Pregnancy, pubmed-meshheading:11169469-Qa-SNARE Proteins, pubmed-meshheading:11169469-R-SNARE Proteins, pubmed-meshheading:11169469-Rats, pubmed-meshheading:11169469-Rats, Sprague-Dawley, pubmed-meshheading:11169469-Retina, pubmed-meshheading:11169469-SNARE Proteins, pubmed-meshheading:11169469-Synapses, pubmed-meshheading:11169469-Synaptic Transmission, pubmed-meshheading:11169469-Synaptosomal-Associated Protein 25, pubmed-meshheading:11169469-Vesicular Transport Proteins
pubmed:year
2001
pubmed:articleTitle
Differential localization of SNARE complex proteins SNAP-25, syntaxin, and VAMP during development of the mammalian retina.
pubmed:affiliation
Department of Zoology and Genetics, Iowa State University, Ames, IA 50011, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't