Article
PTEN stabilizes TOP2A and regulates the DNA decatenation.
Scientific reports - 10 Dec 2015
Kang Xi, Song Chang, Du Xiao, Zhang Cong, Liu Yu, Liang Ling, He Jinxue, Lamb Kristy, Shen Wen H, Yin Yuxin
Abstract excerpt
PTEN is a powerful tumor suppressor that antagonizes the cytoplasmic PI3K-AKT pathway and suppresses cellular proliferation. PTEN also plays a role in the maintenance of genomic stability in the nucleus. Here we report that PTEN facilitates DNA decatenation and controls a decatenation checkpoint. Catenations of DNA formed during replication are decatenated by DNA topoisomerase II (TOP2), and this process is...
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