Characterization of mouse tGolgin-1 (golgin-245/trans-golgi p230/256 kD golgin) and its upregulation during oligodendrocyte development.
DNA Cell Biol
; 21(7): 505-17, 2002 Jul.
Article
em En
| MEDLINE
| ID: mdl-12162805
ABSTRACT
As part of an effort to identify gene products that are differentially regulated during oligodendrocyte development, we isolated a mouse cDNA that encodes tGolgin-1, a homolog of the human protein known as golgin-245, trans-golgi p230, or 256 kD golgin. Human tGolgin-1 is the target of autoantibodies in patients with Sjögren's syndrome, and is thought to be involved in vesicular transport processes at the trans-Golgi network. Sequencing of cDNAs and EST clones comprising the full-length tGolgin-1 transcript predict marked homology with the amino- and carboxy-terminal regions of the human protein, but more limited homology within the central predicted coiled-coil region. Epitope tagged, truncated forms of mouse tGolgin-1, like those of its human homolog, were localized at steady state to the Golgi/trans-Golgi network in transfected cells. The tGolgin-1 message was expressed in all tissues examined, but was highly upregulated in oligodendrocyte precursors at a stage just prior to myelination. This expression pattern suggests that tGolgin-1 may play a role in specialized transport processes associated with maturation and/or differentiation of oligodendrocyte precursors.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Autoantígenos
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Oligodendroglia
/
Complexo de Golgi
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Proteínas de Membrana
Limite:
Animals
/
Humans
Idioma:
En
Revista:
DNA Cell Biol
Ano de publicação:
2002
Tipo de documento:
Article