Across TCGA pan-cancer cohorts, CYP8B1 RNA differs between tumor and matched normal tissue in 11 of 18 cancer types tested, making tumor–normal expression one of CYP8B1’s most consistent transcriptional readouts.
The strongest signal is observed in kidney renal papillary cell carcinoma (KIRP), where CYP8B1 RNA is repressed in tumor relative to normal tissue. In most cancer types CYP8B1 is over-expressed in tumor, although a few such as KIRP and THCA show the opposite, repressed pattern.
KIRP, THCA, and KICH are the cancer types where CYP8B1 tumor–normal differential expression is most reproducible.
RNA tumor vs normal associations by lineage
Ranked by sampling consensus. Fold-change is the tumor-versus-normal difference in CYP8B1 RNA (log2); positive values indicate higher expression in tumor. p-values are from the differential-expression test.