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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
1993-2-3
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pubmed:abstractText |
As a novel approach to studying the modulation of the polarized epithelial phenotype, we have expressed c-Fos and c-Myc estrogen receptor fusion proteins (c-FosER and c-MycER) in mammary epithelial cells. The hybrid proteins could be activated by estrogen for defined time periods and after the cells had achieved their fully polarized organization. Activation of c-MycER deregulated proliferation but did not affect epithelial polarity. Short-term activation of c-FosER induced the reversible loss of morphological and functional cell polarity. In contrast, long-term stimulation of c-FosER caused the cells to depolarize irreversibly, to invade collagen gels, and to undergo epithelial-fibroblastoid cell conversion. Our data suggest that Fos proteins are important in modulating the epithelial phenotype both in normal tissue development and in invasive processes.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Dec
|
pubmed:issn |
0092-8674
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
24
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pubmed:volume |
71
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1103-16
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pubmed:dateRevised |
2003-11-14
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pubmed:meshHeading |
pubmed-meshheading:1473147-Animals,
pubmed-meshheading:1473147-Cell Differentiation,
pubmed-meshheading:1473147-Cell Division,
pubmed-meshheading:1473147-Cell Line,
pubmed-meshheading:1473147-Cell Polarity,
pubmed-meshheading:1473147-Epithelial Cells,
pubmed-meshheading:1473147-Estrogens,
pubmed-meshheading:1473147-Fibroblasts,
pubmed-meshheading:1473147-Mammary Glands, Animal,
pubmed-meshheading:1473147-Mice,
pubmed-meshheading:1473147-Phenotype,
pubmed-meshheading:1473147-Proto-Oncogene Proteins c-fos,
pubmed-meshheading:1473147-Receptors, Estrogen,
pubmed-meshheading:1473147-Recombinant Fusion Proteins
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pubmed:year |
1992
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pubmed:articleTitle |
Activation of an inducible c-FosER fusion protein causes loss of epithelial polarity and triggers epithelial-fibroblastoid cell conversion.
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pubmed:affiliation |
Forschungsinstitut für Molekulare Pathologie, Wien, Austria.
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pubmed:publicationType |
Journal Article
|