Use of UTF1 genetic control elements as iPSC reporter

The reprogramming of adult somatic cells into an embryonic stem cell (ESC) state by various means has opened a new chapter in basic and applied life science. While this technology will create great opportunities for regenerative medicine, the more immediate impact is likely to be found in human dise...

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Bibliographic Details
Published in:Stem cell reviews and reports 2013-08, Vol.9 (4), p.523-530
Main Authors: Morshedi, Amir, Soroush Noghabi, Monireh, Dröge, Peter
Format: Article
Language:English
Subjects:
Animals
Biomarkers - metabolism
Cell Differentiation - genetics
Cell Line
Colony-Forming Units Assay
Flow Cytometry
Genes, Reporter
Genome, Human - genetics
Humans
Induced Pluripotent Stem Cells - metabolism
Mice
Nuclear Proteins - genetics
Regulatory Sequences, Nucleic Acid - genetics
Trans-Activators - genetics
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Summary:The reprogramming of adult somatic cells into an embryonic stem cell (ESC) state by various means has opened a new chapter in basic and applied life science. While this technology will create great opportunities for regenerative medicine, the more immediate impact is likely to be found in human disease modeling and drug testing/development. An important aspect in the latter contexts is the ability to reliably monitor the pluripotent stem cell state, in particular with respect to human cell reprogramming using patient-specific somatic cells and high-throughput screens. Undifferentiated transcription factor 1 (UTF1) belongs to the core transcriptional network characterizing pluripotency. UTF1 is involved in ESC-specific chromatin organization, and its expression pattern during cell reprogramming and subsequent differentiation appears to be tightly connected with the pluripotent stem cell state. Here, we capitalized on these features and generated a reliable reporter system that was used to monitor induced pluripotent stem cell (iPSC) formation and subsequent differentiation. Our reporter cassette comprises less than 2.3 kb and remains functional during many cell passages after genomic integration. The fact that the human UTF1 genetic control elements work in a mouse background and the demonstrated functionality of the reporter in an epigenetic state further qualifies this system as a versatile new tool for iPSC research.
ISSN:2629-3269
2629-3277
DOI:10.1007/s12015-011-9342-7