Across TCGA pan-cancer cohorts, RNU6-540P RNA differs between tumor and matched normal tissue in 5 of 18 cancer types tested, making tumor–normal expression one of RNU6-540P’s most consistent transcriptional readouts.
The strongest signal is observed in head and neck squamous cell carcinoma (HNSC), where RNU6-540P RNA is more highly expressed in tumor relative to normal tissue. In most cancer types RNU6-540P is over-expressed in tumor, although a few such as COAD and READ show the opposite, repressed pattern.
HNSC, COAD, and READ are the cancer types where RNU6-540P tumor–normal differential expression is most reproducible.