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Characterization of human UTF1, a chromatin-associated protein with repressor activity expressed in pluripotent cells

Kooistra, S. M., Thummer, R. P. & Eggen, B. J. L., May-2009, In : Stem Cell Research. 2, 3, p. 211-218 8 p.

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In mice, during early embryonic development UTF1 (undifferentiated embryonic cell transcription factor 1) is expressed in the inner cell mass of blastocysts and in adult animals expression is restricted to the gonads. (Embryonic) Cells expressing UTF1 are generally considered pluripotent, meaning they can differentiate into all cell types of the adult body. In mouse it was shown that UTF1 is tightly associated with chromatin and that it is required for proper differentiation of embryonic carcinoma and embryonic stem cells. In this study we functionally characterized the human UTF1 protein. We show with localization, subnuclear fractionation, and strip-FRAP analyses that human UTF1 is a tightly DNA-associated protein with transcriptional repressor activity. Our data identify human UTF1 as a pluripotency-associated chromatin component with core histone-like characteristics. (C) 2009 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)211-218
Number of pages8
JournalStem Cell Research
Volume2
Issue number3
Publication statusPublished - May-2009

    Keywords

  • EMBRYONIC STEM-CELLS, KEY DEVELOPMENTAL GENES, NEURAL INDUCTION, COACTIVATOR UTF1, ES CELLS, DIFFERENTIATION, TRANSCRIPTION, BINDING, NANOG, SIGNATURES

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