Journal
STEM CELLS
Volume 21, Issue 6, Pages 632-637Publisher
ALPHAMED PRESS
DOI: 10.1634/stemcells.21-6-632
Keywords
zinc finger proteins; embryonic stem cells; differentiation
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Stem cells are functionally defined as progenitor cells that can self-renew and differentiate. Critical transitions in these cells are controlled via signaling pathways and subsequent transcriptional regulation. Technologies capable of modulating the levels of gene expression, especially those of transcription factors, represent powerful tools for research and could potentially be used in therapeutic applications. In this study, we evaluated the ability of synthetic zinc ringer protein transcription factors (ZFP-TFs) to cause the differentiation of embryonic stem (ES) cells. We constructed ZFP-TFs that target the mouse Oct-4 gene (which is a major regulator of ES cell pluripotency and self-renewal). These designed transcription factors were able to regulate the transcription of Oct-4, affecting the expression of downstream genes and thus regulating ES cell differentiation.
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