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As a well-characterized master player in epigenetic regulatory network, EZH2 is widely implicated in the development of many malignancies. We previously found that EZH2 promoted Wnt/β-catenin activation through downregulation of CXXC4 expression. In this report, we demonstrated that CXXC4 inhibited MAPK signaling through binding to ERK-1/2 and abrogating the interaction of ERK 1/2 with MEK1/2. L183,...
Doxorubicin induces DNA damage to exert its anti-cancer function. Histone deacetylase 1 (HDAC1) can protect the genome from DNA damage. We found that doxorubicin specifically downregulates HDAC1 protein expression and identified HDAC1 as a target of miR-520h, which was upregulated by doxorubicin. Doxorubicin-induced cell death was impaired by exogenous HDAC1 or by miR-520h inhibitor. Moreover, HDAC1...
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