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    Mol Biol (Mosk). 2008 Jan-Feb;42(1):110-6.

    [Transcription factor YY1 participates in activation transcription of the human ribosomal protein L11 gene].

    [Article in Russian]
    Voronina EN, Kolokol'tsova TD, Slyn'ko NM, Nechaev EA, Filipenko ML.

    Abstract

    Ribosomal protein L11 plays important role in ribosome, being involved in several steps in protein synthesis and also activates p53-dependent cell cycle arrest. Changes in the rpL11 levels might be implicated in cell cycle control and carcinogenesis. Therefore, the mechanism of regulation of rpL11 expression has increasing importance. Article presents research results of interaction of promotor elements of gene HRPL11 with proteins of nuclear extracts of cells of a various cell origin. Use oligonucleotide competitors containing known transcription factor-binding sites, and also polyclonal antibodies has shown, that transcription factor YY1 participates in regulation of a transcription of gene HRPL11 in all investigated cellular lines. Our data obtained from comparison of protein binding profiles using nuclear extracts from rapidly growth cells, normal cell lines and serum deprivation repressed cell allows us to consider of transcription factor YY1 as activator of HRPL11 gene transcription.

    PMID:
    18389627
    [PubMed - indexed for MEDLINE]

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