Across TCGA pan-cancer cohorts, PPP1R14D mass-spec protein differs between tumor and matched normal tissue in 3 of 18 cancer types tested, making tumor–normal expression one of PPP1R14D’s most consistent transcriptional readouts.
The strongest signal is observed in colon adenocarcinoma (COAD), where PPP1R14D mass-spec protein is repressed in tumor relative to normal tissue. In most cancer types PPP1R14D is over-expressed in tumor, although a few such as COAD show the opposite, repressed pattern.
COAD, CCRCC, and LUAD are the cancer types where PPP1R14D tumor–normal differential expression is most reproducible.