Mechanism of vitamin D3-induced transcription of phospholipase D1 in HaCat human keratinocytes

Ryosuke Kikuchi, Sayaka Sobue, Masashi Murakami, Hiromi Ito, Ami Kimura, Takashi Iwasaki, Shuji Shibayama, Akira Takagi, Tetsuhito Kojima, Motoshi Suzuki, Yoshiko Banno, Yoshinori Nozawa, Takashi Murate

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

1α,25-Dihydroxyvitamin D3 (VitD3) increases protein and gene expression of phospholipase D1 (PLD1), but not PLD2, in HaCaT human keratinocytes. We show that VitD3 increases PLD1 gene expression through a vitamin D responsive element (VDRE) on the 5′ PLD1 promoter (-260 bp to -246 bp from exon 1). Similar results were obtained by transfecting VitD3 receptor (VDR) into HEK293 cells, which are originally VitD3-unresponsive. Electrophoresis mobility shift assays (EMSA) and chromatin immunoprecipitation (CHIP) assays showed that the complex of VitD3, VDR and retinoid X receptor α (RXRα) binds to the VDRE and increases PLD1 gene expression in HaCaT cells.

Original languageEnglish
Pages (from-to)1800-1804
Number of pages5
JournalFEBS Letters
Volume581
Issue number9
DOIs
Publication statusPublished - 01-05-2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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