期刊
DRUG DELIVERY AND TRANSLATIONAL RESEARCH
卷 10, 期 1, 页码 136-145出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13346-019-00668-5
关键词
Danusertib; Aurora kinase; Autophagy; Akt; mTOR; Melanoma
资金
- First-Class Discipline Construction Founded Project of Ningxia Medical University [NXYLXK2017A05]
- Ningxia Medical University [XM2018152]
Previous evidence has shown that the increased expression of aurora kinase is closely related to melanoma progression and is an important therapeutic target in melanoma. Danusertib is an inhibitor of aurora kinase, and recent studies have shown that danusertib treatment induces autophagy in several types of cancer. Interestingly, autophagy plays a dual function in cancer as a pro-survival and anti-survival factor. In this study, we investigated the role of danusertib on the induction of autophagy in melanoma and determined the impact of autophagy induction on its anticancer activity against melanoma. Our results showed that danusertib can significantly inhibit melanoma growth by inducing cell cycle arrest and apoptosis. In addition, we demonstrated that danusertib treatment significantly inhibits the oncogenic Akt/mTOR signaling pathway and induces autophagy in melanoma cells. Furthermore, we identified that the inhibition of autophagy can enhance the inhibitory effects of danusertib on melanoma growth. Thus, the induction of autophagy by danusertib appears to be a survival mechanism in melanoma cells that may counteract its anticancer effects. These findings suggest a novel strategy to enhance the anticancer efficacy of danusertib in melanoma by blocking autophagy.
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