MEN1 Is a Melanoma Tumor Suppressor That Preserves Genomic Integrity by Stimulating Transcription of Genes That Promote Homologous Recombination-Directed DNA Repair

Abstract excerpt

Multiple endocrine neoplasia type 1 is a familial cancer syndrome resulting from loss-of-function mutations in the MEN1 gene. We previously identified the tumor suppressor MEN1 as a gene required for oncogene-induced senescence in melanocytes, raising the possibility that MEN1 is a melanoma tumor suppressor. Here we show that MEN1 expression is lost in a high percentage of human melanomas and melanoma cell lines....

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