Isolation of complementary DNAs encoding a cerebellum-enriched nuclear factor I family that activates transcription from the mouse myelin basic protein promoter

T. Inoue, T. Tamura, T. Furuichi, K. Mikoshiba

研究成果: Article

89 引用 (Scopus)

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A nuclear factor I (NFI) binding sequence in the myelin basic protein (MBP) promoter is required for brain-specific transcription. In the present study, we isolated multiple cDNAs encoding a family of NFI, NFI-B, from mouse brain cDNA libraries. These clones contain unique nucleotide sequences at their 5',3', or middle portions, presumably as a result of alternative splicing. The entire sequence of NFI-B suggests that NFI-B is a mouse counterpart of NF1-L, which was previously isolated from rat liver. NFI-B is highly enriched in the cerebellum, in contrast with a ubiquitous NFI, CTF/NF-I. NFI-B proteins translated in vitro could bind to the MBP NFI site. Furthermore, we demonstrated by transfection experiments that NFI-B activated transcription from transfected MBP promoter in neuronal/glial NG108-15 cells.

元の言語English
ページ(範囲)19065-19070
ページ数6
ジャーナルJournal of Biological Chemistry
265
発行部数31
出版物ステータスPublished - 1990 11 22
外部発表Yes

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

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