Article
Tumor suppression in the absence of p53-mediated cell-cycle arrest, apoptosis, and senescence.
Cell - 8 Jun 2012
Li Tongyuan, Kon Ning, Jiang Le, Tan Minjia, Ludwig Thomas, Zhao Yingming, Baer Richard, Gu Wei
Abstract excerpt
Cell-cycle arrest, apoptosis, and senescence are widely accepted as the major mechanisms by which p53 inhibits tumor formation. Nevertheless, it remains unclear whether they are the rate-limiting steps in tumor suppression. Here, we have generated mice bearing lysine to arginine mutations at one (p53(K117R)) or three (p53(3KR); K117R+K161R+K162R) of p53 acetylation sites. Although p53(K117R/K117R) cells are...
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