Direct somatic lineage conversion

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Direct somatic lineage conversion.

The predominant view of embryonic development and cell differentiation has been that rigid and even irreversible epigenetic marks are laid down along the path of cell specialization ensuring the proper silencing of unrelated lineage programmes. This model made the prediction that specialized cell types are stable and cannot be redirected into other lineages. Accordingly, early attempts to chang...

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Reshaping the brain: direct lineage conversion in the nervous system

During embryonic development, cells in an uncommitted pluripotent state undergo progressive epigenetic changes that lock them into a final restrictive differentiated state. However, recent advances have shown that not only is it possible for a fully differentiated cell to revert back to a pluripotent state, a process called nuclear reprogramming, but also that differentiated cells can be direct...

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Senescence impairs direct conversion of human somatic cells to neurons.

Recent reports have shown that fibroblasts can be converted to neurons by forced expression of transcription factors. However, the mechanisms underlying this conversion remain unclear. Here, we show that the efficiency of neuronal conversion of embryonic human fibroblasts aged in culture is lower than that in cells in early culture stages. Moreover, depletion of p16(Ink4a) and p19(Arf) involved...

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ژورنال

عنوان ژورنال: Philosophical Transactions of the Royal Society B: Biological Sciences

سال: 2015

ISSN: 0962-8436,1471-2970

DOI: 10.1098/rstb.2014.0368