Abstract:
:p62 is a ubiquitin-binding autophagy receptor and signaling protein that accumulates in premalignant liver diseases and most hepatocellular carcinomas (HCCs). Although p62 was proposed to participate in the formation of benign adenomas in autophagy-deficient livers, its role in HCC initiation was not explored. Here we show that p62 is necessary and sufficient for HCC induction in mice and that its high expression in non-tumor human liver predicts rapid HCC recurrence after curative ablation. High p62 expression is needed for activation of NRF2 and mTORC1, induction of c-Myc, and protection of HCC-initiating cells from oxidative stress-induced death.
journal_name
Cancer Celljournal_title
Cancer cellauthors
Umemura A,He F,Taniguchi K,Nakagawa H,Yamachika S,Font-Burgada J,Zhong Z,Subramaniam S,Raghunandan S,Duran A,Linares JF,Reina-Campos M,Umemura S,Valasek MA,Seki E,Yamaguchi K,Koike K,Itoh Y,Diaz-Meco MT,Moscat J,Kdoi
10.1016/j.ccell.2016.04.006subject
Has Abstractpub_date
2016-06-13 00:00:00pages
935-948issue
6eissn
1535-6108issn
1878-3686pii
S1535-6108(16)30164-7journal_volume
29pub_type
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