| pubmed-article:10383386 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C0085262 | lld:lifeskim |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C0015283 | lld:lifeskim |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C0386017 | lld:lifeskim |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C0596235 | lld:lifeskim |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C0851285 | lld:lifeskim |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C0851827 | lld:lifeskim |
| pubmed-article:10383386 | lifeskim:mentions | umls-concept:C1701901 | lld:lifeskim |
| pubmed-article:10383386 | pubmed:issue | 27 | lld:pubmed |
| pubmed-article:10383386 | pubmed:dateCreated | 1999-7-27 | lld:pubmed |
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| pubmed-article:10383386 | pubmed:databankReference | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10383386 | pubmed:databankReference | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10383386 | pubmed:abstractText | Synaptogyrins constitute a family of synaptic vesicle proteins of unknown function. With the full-length structure of a new brain synaptogyrin isoform, we now show that the synaptogyrin family in vertebrates includes two neuronal and one ubiquitous isoform. All of these synaptogyrins are composed of a short conserved N-terminal cytoplasmic sequence, four homologous transmembrane regions, and a variable cytoplasmic C-terminal tail that is tyrosine-phosphorylated. The localization, abundance, and conservation of synaptogyrins suggest a function in exocytosis. To test this, we employed a secretion assay in PC12 cells expressing transfected human growth hormone (hGH) as a reporter protein. When Ca2+-dependent hGH secretion from PC12 cells was triggered by high K+ or alpha-latrotoxin, co-transfection of all synaptogyrins with hGH inhibited hGH exocytosis as strongly as co-transfection of tetanus toxin light chain. Synaptophysin I, which is distantly related to synaptogyrins, was also inhibitory but less active. Inhibition was independent of the amount of hGH expressed but correlated with the amount of synaptogyrin transfected. Inhibition of exocytosis was not observed with several other synaptic proteins, suggesting specificity. Analysis of the regions of synaptogyrin required for inhibition revealed that the conserved N-terminal domain of synaptogyrin is essential for inhibition, whereas the long C-terminal cytoplasmic tail is largely dispensable. Our results suggest that synaptogyrins are conserved components of the exocytotic apparatus, which function as regulators of Ca2+-dependent exocytosis. | lld:pubmed |
| pubmed-article:10383386 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10383386 | pubmed:language | eng | lld:pubmed |
| pubmed-article:10383386 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10383386 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:10383386 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:10383386 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10383386 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:10383386 | pubmed:issn | 0021-9258 | lld:pubmed |
| pubmed-article:10383386 | pubmed:author | pubmed-author:SugitaSS | lld:pubmed |
| pubmed-article:10383386 | pubmed:author | pubmed-author:SüdhofT CTC | lld:pubmed |
| pubmed-article:10383386 | pubmed:author | pubmed-author:JanzRR | lld:pubmed |
| pubmed-article:10383386 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10383386 | pubmed:day | 2 | lld:pubmed |
| pubmed-article:10383386 | pubmed:volume | 274 | lld:pubmed |
| pubmed-article:10383386 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10383386 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10383386 | pubmed:pagination | 18893-901 | lld:pubmed |
| pubmed-article:10383386 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:10383386 | pubmed:meshHeading | pubmed-meshheading:10383386... | lld:pubmed |
| pubmed-article:10383386 | pubmed:year | 1999 | lld:pubmed |
| pubmed-article:10383386 | pubmed:articleTitle | Synaptogyrins regulate Ca2+-dependent exocytosis in PC12 cells. | lld:pubmed |
| pubmed-article:10383386 | pubmed:affiliation | Center for Basic Neuroscience, Department of Molecular Genetics and Howard Hughes Medical Institute, The University of Texas Southwestern Medical Center, Dallas, Texas 75235-9050, USA. | lld:pubmed |
| pubmed-article:10383386 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10383386 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:10383386 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
| entrez-gene:20974 | entrezgene:pubmed | pubmed-article:10383386 | lld:entrezgene |
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