Reprogramming fibroblasts to express T-cell functions using cell extracts
- 1 May 2002
- journal article
- Published by Springer Nature in Nature Biotechnology
- Vol. 20 (5), 460-466
- https://doi.org/10.1038/nbt0502-460
Abstract
We demonstrate here the functional reprogramming of a somatic cell using a nuclear and cytoplasmic extract derived from another somatic cell type. Reprogramming of 293T fibroblasts in an extract from primary human T cells or from a transformed T-cell line is evidenced by nuclear uptake and assembly of transcription factors, induction of activity of a chromatin remodeling complex, histone acetylation, and activation of lymphoid cell–specific genes. Reprogrammed cells express T cell–specific receptors and assemble the interleukin-2 receptor in response to T cell receptor–CD3 (TCR–CD3) complex stimulation. Reprogrammed primary skin fibroblasts also express T cell–specific antigens. After exposure to a neuronal precursor extract, 293T fibroblasts express a neurofilament protein and extend neurite-like outgrowths. In vitro reprogramming of differentiated somatic cells creates possibilities for producing isogenic replacement cells for therapeutic applications.Keywords
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