Competence of an artificial bent DNA as a transcriptional activator in mouse ES cells

Jun Ichi Tanase, Tasuku Mitani, Koji Udagawa, Jun Ichi Nishikawa, Takashi Ohyama

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    Curved DNA structures with a left-handed superhelical conformation can activate eukaryotic transcription. However, their potency in transgene activation in embryonic stem (ES) cells has not been examined. T20 is an artificial curved DNA of 180 bp that serves as a transcriptional activator. We investigated the effect of T20 on transcription in mouse ES cell lines or hepatocytes differentiated from them. We established 10 sets of cell lines each harboring a single copy of the reporter construct. Each set comprised a T20-harboring cell line and a T20-less control cell line. Analyses showed that in ES cells and in hepatocytes originating from these cells, T20 both activated and repressed transcription in a manner that was dependent on the locus of reporter. The present and previous studies strongly suggest that in cells that have a strict gene regulation system, transcriptional activation by T20 occurs only in a transcriptionally active locus in the genome.

    Original languageEnglish
    Pages (from-to)37-47
    Number of pages11
    JournalMolecular Biology Reports
    Volume38
    Issue number1
    DOIs
    Publication statusPublished - 2011 Jan

    Fingerprint

    Mental Competency
    Cell Line
    DNA
    Embryonic Stem Cells
    Hepatocytes
    Transgenes
    Transcriptional Activation
    Genome
    Mouse Embryonic Stem Cells
    Genes

    Keywords

    • Bent DNA
    • Chromatin engineering
    • Hepatocyte
    • Mouse ES cell
    • Transcriptional regulation
    • Transgene

    ASJC Scopus subject areas

    • Genetics
    • Molecular Biology

    Cite this

    Competence of an artificial bent DNA as a transcriptional activator in mouse ES cells. / Tanase, Jun Ichi; Mitani, Tasuku; Udagawa, Koji; Nishikawa, Jun Ichi; Ohyama, Takashi.

    In: Molecular Biology Reports, Vol. 38, No. 1, 01.2011, p. 37-47.

    Research output: Contribution to journalArticle

    Tanase, Jun Ichi ; Mitani, Tasuku ; Udagawa, Koji ; Nishikawa, Jun Ichi ; Ohyama, Takashi. / Competence of an artificial bent DNA as a transcriptional activator in mouse ES cells. In: Molecular Biology Reports. 2011 ; Vol. 38, No. 1. pp. 37-47.
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