MDM4 is a key therapeutic target in cutaneous melanoma
2012
Although loss-of-function p53 alterations are widespread in many tumors, melanomas typically do not harbor TP53 mutations. This report uncovers upregulation of MDM4 as a frequent trait of melanomas that contributes to tumorigenesis by inactivating p53 signaling. MDM4 is required for growth and survival of melanoma cell lines, and compounds that can target MDM4 are effective against melanoma in vivo and against tumors resistant to BRAF-targeted therapy in vitro.
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