Resistance to targeted therapy in cancer is often coupled with the acquisition of a pro-invasive phenotype by tumors cells and a highly permissive tumor microenvironment promoting drug resistance. Transcription factors are frequently shown as major points of convergence of multiple dysregulated receptors and signaling pathways in cancer. Several transcription factors are now incriminated as drivers of both drug resistance and invasiveness. We focused this review on critical transcription factors playing a causal role in both the resistance to BRAF V600E-targeted therapy and the pro-invasive behavior of melanoma cells. Simultaneous rewiring of pro-oncogenic signaling pathways, phenotype switching or phenotypic plasticity supporting pro-invasive/pro-metastatic behavior, actin remodeling, and bidirectional interactions between tumor microenvironment and melanoma cells represent major challenges for overcoming resistance to BRAF V600E inhibitors (BRAFi) and will be discussed. Although it represents an underdeveloped area of translational investigation, inhibition of transcription factors may open new avenues to combat resistance to BRAFi.
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