Article
The TIF1β-HP1 system maintains transcriptional integrity of hematopoietic stem cells.
Stem cell reports - 11 Feb 2014
Miyagi Satoru, Koide Shuhei, Saraya Atsunori, Wendt George R, Oshima Motohiko, Konuma Takaaki, Yamazaki Satoshi, Mochizuki-Kashio Makiko, Nakajima-Takagi Yaeko, Wang Changshan, Chiba Tetsuhiro, Kitabayashi Issay, Nakauchi Hiromitsu, Iwama Atsushi
Abstract excerpt
TIF1β is a transcriptional corepressor that recruits repressive chromatin modifiers to target genes. Its biological function and physiological targets in somatic stem cells remain largely unknown. Here, we show that TIF1β is essential for the maintenance of hematopoietic stem cells (HSCs). Deletion of Tif1b in mice induced active cycling and apoptosis of HSCs and promoted egression of HSCs from the bone marrow,...
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