Significant efforts have been made to identify and validate oncoproteins and ncRNAs as therapeutic targets for cancer therapy; however, emerging observations suggest that noncoding cis-regulatory elements, which orchestrate the 3D organization of the genome and thus the transcriptional landscape, are potential therapeutic targets as well. In this commentary, we envisage that further efforts to decipher the noncoding cis-regulatory code and performing systematic surveys of functional noncoding cis-regulatory elements and recurrent 3D genome alterations in both cancerous and nonmalignant cells within tumor tissues will pave the way to the development of novel therapeutic strategies.
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