- UHRF1 is required for basal stem cell proliferation in response to airway injury.
UHRF1 is required for basal stem cell proliferation in response to airway injury.
Cell discovery (2017-06-20)
Handan Xiang, Lifeng Yuan, Xia Gao, Peter B Alexander, Omar Lopez, Calvin Lau, Yi Ding, Mengyang Chong, Tao Sun, Rui Chen, Si-Qi Liu, Haiyang Wu, Ying Wan, Scott H Randell, Qi-Jing Li, Xiao-Fan Wang
PMID28626588
ABSTRACT
Cellular senescence is a cell fate characterized by an irreversible cell cycle arrest, but the molecular mechanism underlying this senescence hallmark remains poorly understood. Through an unbiased search for novel senescence regulators in airway basal cells, we discovered that the epigenetic regulator ubiquitin-like with PHD and ring finger domain-containing protein 1 (UHRF1) is critical for regulating cell cycle progression. Upon injury, basal cells in the mouse airway rapidly induce the expression of UHRF1 in order to stimulate stem cell proliferation and tissue repair. Targeted depletion of
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