Across TCGA pan-cancer cohorts, IGHVIV-44-1 RNA differs between tumor and matched normal tissue in 2 of 18 cancer types tested, making tumor–normal expression one of IGHVIV-44-1’s most consistent transcriptional readouts.
The strongest signal is observed in rectum adenocarcinoma (READ), where IGHVIV-44-1 RNA is repressed in tumor relative to normal tissue. In most cancer types IGHVIV-44-1 is over-expressed in tumor, although a few such as READ and COAD show the opposite, repressed pattern.
READ and COAD are the cancer types where IGHVIV-44-1 tumor–normal differential expression is most reproducible.