Across TCGA pan-cancer cohorts, RPL6P21 RNA differs between tumor and matched normal tissue in 2 of 18 cancer types tested, making tumor–normal expression one of RPL6P21’s most consistent transcriptional readouts.
The strongest signal is observed in esophageal carcinoma (ESCA), where RPL6P21 RNA is repressed in tumor relative to normal tissue. In most cancer types RPL6P21 is over-expressed in tumor, although a few such as ESCA show the opposite, repressed pattern.
ESCA and COAD are the cancer types where RPL6P21 tumor–normal differential expression is most reproducible.