Abstract:
:It is well known that both recipient cells and donor nuclei demonstrate a mitotic advantage as observed in the traditional reprogramming with somatic cell nuclear transfer (SCNT). However, it is not known whether a specific mitotic factor plays a critical role in reprogramming. Here we identify an isoform of human bromodomain-containing 3 (BRD3), BRD3R (BRD3 with Reprogramming activity), as a reprogramming factor. BRD3R positively regulates mitosis during reprogramming, upregulates a large set of mitotic genes at early stages of reprogramming, and associates with mitotic chromatin. Interestingly, a set of the mitotic genes upregulated by BRD3R constitutes a pluripotent molecular signature. The two BRD3 isoforms display differential binding to acetylated histones. Our results suggest a molecular interpretation for the mitotic advantage in reprogramming and show that mitosis may be a driving force of reprogramming.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Shao Z,Zhang R,Khodadadi-Jamayran A,Chen B,Crowley MR,Festok MA,Crossman DK,Townes TM,Hu Kdoi
10.1038/ncomms10869subject
Has Abstractpub_date
2016-03-07 00:00:00pages
10869issn
2041-1723pii
ncomms10869journal_volume
7pub_type
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