Reprogramming chromatin
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Reprogramming chromatin. / Ehrensberger, Andreas Hasso; Svejstrup, Jesper Qualmann.
I: Critical Reviews in Biochemistry and Molecular Biology, Bind 47, Nr. 5, 09.2012, s. 464-482.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Reprogramming chromatin
AU - Ehrensberger, Andreas Hasso
AU - Svejstrup, Jesper Qualmann
PY - 2012/9
Y1 - 2012/9
N2 - Cellular reprogramming involves the artificial dedifferentiation of somatic cells to a pluripotent state. When affected by overexpressing specific transcription factors, the process is highly inefficient, as only 0.1-1% of cells typically undergo the transformation. This low efficiency has been attributed to high kinetic barriers that affect all cells equally and can only be overcome by rare stochastic events. The barriers to reprogramming are likely to involve transformations of chromatin state because (i) inhibitors of chromatin-modifying enzymes can enhance the efficiency of reprogramming and (ii) knockdown or knock-out of chromatin-modifying enzymes can lower the efficiency of reprogramming. Here, we review the relationship between chromatin state transformations (chromatin reprogramming) and cellular reprogramming, with an emphasis on transcription factors, chromatin remodeling factors, histone modifications and DNA methylation.
AB - Cellular reprogramming involves the artificial dedifferentiation of somatic cells to a pluripotent state. When affected by overexpressing specific transcription factors, the process is highly inefficient, as only 0.1-1% of cells typically undergo the transformation. This low efficiency has been attributed to high kinetic barriers that affect all cells equally and can only be overcome by rare stochastic events. The barriers to reprogramming are likely to involve transformations of chromatin state because (i) inhibitors of chromatin-modifying enzymes can enhance the efficiency of reprogramming and (ii) knockdown or knock-out of chromatin-modifying enzymes can lower the efficiency of reprogramming. Here, we review the relationship between chromatin state transformations (chromatin reprogramming) and cellular reprogramming, with an emphasis on transcription factors, chromatin remodeling factors, histone modifications and DNA methylation.
U2 - 10.3109/10409238.2012.697125
DO - 10.3109/10409238.2012.697125
M3 - Journal article
C2 - 22757592
VL - 47
SP - 464
EP - 482
JO - Critical Reviews in Biochemistry and Molecular Biology
JF - Critical Reviews in Biochemistry and Molecular Biology
SN - 1040-9238
IS - 5
ER -
ID: 38419025