期刊
ONCOGENE
卷 37, 期 48, 页码 6212-6224出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41388-018-0393-y
关键词
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资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [NRF-2016R1A4A1008035, NRF-2017R1A2B4004407]
The histone methyltransferase multiple myeloma SET domain protein (MMSET/WHSC1) is highly expressed in diverse tumor types, and its expression appears to be involved in cell proliferation. In this study, we report that MMSET interacts with and methylates Aurora kinase A (AURKA). We show that MMSET-mediated methylation of AURKA induces interaction with p53 as well as enhanced kinase activity of AURKA, which results in the proteasomal degradation of p53. MMSET-mediated p53 degradation increases cell proliferation and results in oncogenic activity. Furthermore, knockdown of MMSET potently inhibits tumorigenic cells and renders them sensitive to growth inhibition by the therapeutic drug, alisertib (AURKA inhibitor). Taken together, our results suggest that MMSET is a regulator of p53 stability via methylation of AURKA in proliferating cells and might be a potential therapeutic target in solid tumors.
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