Journal
CANCER RESEARCH
Volume 79, Issue 12, Pages 3028-3030Publisher
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/0008-5472.CAN-19-0910
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Advances in high-throughput genomic and epigenomic technologies have revealed the tremendous complexity of the transcriptional landscape. Beyond protein-coding RNAs (derived from only similar to 1.5% of the genome), noncoding RNAs (ncRNA) are emerging as versatile key regulators of gene information involved in multiple major biological processes. Accordingly, deregulation of ncRNA expression has been associated with multiple diseases, including cancer. In this issue of Cancer Research, Shahabi and colleagues characterize LINC00261 as a tumor suppressor long ncRNA epigenetically silenced in lung cancer. They provide crucial mechanistic insights to explain its role in lung tumorigenesis, demonstrating that deregulation of the LINC00261/FOXA2 locus disrupts DNA damage repair signaling, cell-cycle control, and cell proliferation.
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