Association of rat8 with Fyn protein kinase via lipid rafts is required for rat mammary cell differentiation in vitro (Articolo in rivista)

Type
Label
  • Association of rat8 with Fyn protein kinase via lipid rafts is required for rat mammary cell differentiation in vitro (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1073/pnas.0307292101 (literal)
Alternative label
  • Zucchi I, Prinetti A, Scotti M, Valsecchi V, Valaperta R, Mento E, Reinbold R, Vezzoni P, Sonnino S, Albertini A, Dulbecco R. (2004)
    Association of rat8 with Fyn protein kinase via lipid rafts is required for rat mammary cell differentiation in vitro
    in Proceedings of the National Academy of Sciences of the United States of America
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zucchi I, Prinetti A, Scotti M, Valsecchi V, Valaperta R, Mento E, Reinbold R, Vezzoni P, Sonnino S, Albertini A, Dulbecco R. (literal)
Pagina inizio
  • 1880 (literal)
Pagina fine
  • 1885 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Tecnologie Biomediche (literal)
Titolo
  • Association of rat8 with Fyn protein kinase via lipid rafts is required for rat mammary cell differentiation in vitro (literal)
Abstract
  • We previously identified rat8 in the pathway involved in epithelial cell differentiation that occurs in the rat mammary gland at pregnancy when tubules and alveoli are formed. rat8, which encodes an IFN-inducible membrane protein, is the rat homologue of the mouse gene fragilis. By differential detergent extraction and isopycnic sucrose density gradients, we show that rat8 protein is associated to lipid membrane domains together with Lyn and Fyn, members of the Src tyrosine kinase family. We also show that recruitment of rat8 to lipid membrane domains is a necessary step in mammary epithelial cell differentiation. Immunoprecipitation analysis, performed with an anti-Fyn protein antibody, shows that rat8 was present in the Fyn immunoprecipitate. Antisense oligonucleotides, used to inhibit Fyn protein expression, block mammary cell differentiation. Taken together, these results suggest that the functional interaction, via lipid membrane domains, of rat8 and Fyn proteins is required for mammary cell differentiation. Therefore, rat8, like fragilis, may be involved in developmental decisions and the demarcation of a subset of cells in the mammary gland that cause epithelial cells to develop into a network of tubuloalveolar structures involved in secretion. (literal)
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