Transient expression of OCT4 is sufficient to allow human keratinocytes to change their differentiation pathway.

Abstract:

:In this study, we describe a simple system in which human keratinocytes can be redirected to an alternative differentiation pathway. We transiently transfected freshly isolated human skin keratinocytes with the single transcription factor OCT4. Within 2 days these cells displayed expression of endogenous embryonic genes and showed reduced genomic methylation. More importantly, these cells could be specifically converted into neuronal and contractile mesenchymal cell types. Redirected differentiation was confirmed by expression of neuronal and mesenchymal cell mRNA and protein, and through a functional assay in which the newly differentiated mesenchymal cells contracted collagen gels as efficiently as authentic myofibroblasts. Thus, to generate patient-specific cells for therapeutic purposes, it may not be necessary to completely reprogram somatic cells into induced pluripotent stem cells before altering their differentiation and grafting them into new tissues.

journal_name

Gene Ther

journal_title

Gene therapy

authors

Racila D,Winter M,Said M,Tomanek-Chalkley A,Wiechert S,Eckert RL,Bickenbach JR

doi

10.1038/gt.2010.148

subject

Has Abstract

pub_date

2011-03-01 00:00:00

pages

294-303

issue

3

eissn

0969-7128

issn

1476-5462

pii

gt2010148

journal_volume

18

pub_type

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