Activation profile of the F3/Contactin gene in the developing mouse cerebellum

Leonarda De Benedictis, Antonella Bizzoca, Patrizia Corsi, Ilaria Albieri, G. Giacomo Consalez, Gianfranco Gennarini

Research output: Contribution to journalArticlepeer-review


In this study, we address the activation profile of the gene encoding the mouse axonal glycoprotein F3/Contactin. Promoter sequences previously characterized in vitro are used to drive an Enhanced Green Fluorescent Protein reporter in transgenic mice. In developing cerebellum, differential transgene expression occurs within distinct cell populations. At P0 the transgene is activated in postmitotic granule neurons undergoing radial migration, a sharp upregulation occurring at P6-P8, with a gradual decline from this stage onward. In Purkinje cells, promoter activation, first detected at P3, peaks at around P6 and is fully downregulated by P16. The transgene is also expressed in Ng2- and O4-positive cells, mostly at the end of the first postnatal week, suggesting correlation with early oligodendrocyte differentiation. These data indicate that the complex organization of the regulatory region of the F3/Contactin gene is necessary for directing its articulated expression in different neural cells types and for its developmental function.

Original languageEnglish
Pages (from-to)403-418
Number of pages16
JournalMolecular and Cellular Neuroscience
Issue number4
Publication statusPublished - Aug 2006

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience
  • Developmental Neuroscience


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