LATS2 suppresses oncogenic Wnt signaling by disrupting β-catenin/BCL9 interaction.
LATS2 suppresses oncogenic Wnt signaling by disrupting β-catenin/BCL9 interaction.
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DOI:
10.1016/j.celrep.2013.11.037
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发表时间:
2013-12-26
期刊:
影响因子:
8.8
通讯作者:
Wang CY
中科院分区:
文献类型:
--
作者:
Li J;Chen X;Ding X;Cheng Y;Zhao B;Lai ZC;Al Hezaimi K;Hakem R;Guan KL;Wang CY
Abnormal activation of Wnt/β-catenin-mediated transcription is associated with a variety of human cancers. Here we report that LATS2 inhibited oncogenic Wnt/β-catenin-mediated transcription by disrupting the β-catenin/BCL9 interaction. LATS2 directly interacted with β-catenin and to be present on Wnt target gene promoters. Mechanistically, LATS2 inhibited the interaction between BCL9 and β-catenin and subsequent recruitment of BCL9, independent of LATS2 kinase activity. LATS2 was down-regulated and inversely correlated with the levels of Wnt target genes in human colorectal cancers. Moreover, nocodazole, an anti-microtubule drug, potently induced LATS2 to suppress tumor growth in vivo by targeting β-catenin/BCL9. Our results suggest that LATS2 is not only a key tumor suppressor in human cancer, but may also be an important target for anti-cancer therapy.
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