ArticleJournal of molecular neuroscience : MN1997
Role of the bZIP transcription factor IREBF1 in the NGF induction of stromelysin-1 (transin) gene expression in PC12 cells.
Article in Journal of molecular neuroscience : MN, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors at 1 institution in 1 country.
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Abstract
Stromelysin-1 (ST-1) is one of the most nerve growth factor-(NGF) responsive gene products expressed in PC12 cells. In previous work, we identified a novel NGF-responsive element in the proximal promoter region of the ST-1 gene that participates in this induction, and showed that it bound a protein present in the nuclei of PC12 cells. Here, we identify a transcription factor that specifically recognizes this regulatory element-the interferon-response element binding factor-1 (IREBF1), a member of the basic leucine zipper gene family. We show that IREBF1 is constitutively expressed in PC12 cells and that overexpression of IREBF1 augments NGF-responsive ST-1 gene regulation, but does not affect basal levels of expression. On the other hand, expression of a mutated form of this transcription factor lacking the DNA binding domain attenuated NGF responsiveness, without affecting basal levels of expression. These data suggest that IREBF1 is part of the NGF-responsive transcriptional machinery necessary for the expression of ST-1 in PC12 cells.
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