Induced expression of the transcription of tropomodulin 1 by Wnt5a and characterization of the tropomodulin 1 promoter

Sangmoon Yun, Yeonmi Rim, Eek hoon Jho

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Microarray analysis was carried out to identify novel downstream target genes regulated by non-canonical Wnt signaling. We found that Tmod1, known as an actin-capping protein, is up-regulated by Wnt5a, while gelsolin, known as an actin-severing protein, is down-regulated by Wnt5a. As expected from the roles of genes regulated by Wnt5a, L929 cells expressing Wnt5a show abnormal cell shape and a reduced migration rate. Cloning and analysis of the putative promoter show that two conserved sequences, one in the 5′-end of the first exon and the other in the intron next to the first exon, are necessary for the basal promoter activity.

Original languageEnglish
Pages (from-to)727-732
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume363
Issue number3
DOIs
StatePublished - 23 Nov 2007

Keywords

  • Gelsolin
  • Microarray analysis
  • Non-canonical Wnt
  • Promoter analysis
  • Target genes
  • Tet-On inducible system
  • Tropomodulin

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