STIM1

Across TCGA pan-cancer cohorts, STIM1 mass-spec protein differs between tumor and matched normal tissue in 7 of 18 cancer types tested, making tumor–normal expression one of STIM1’s most consistent transcriptional readouts.

The strongest signal is observed in clear cell renal cell carcinoma (CCRCC), where STIM1 mass-spec protein is more highly expressed in tumor relative to normal tissue. In most cancer types STIM1 is over-expressed in tumor, although a few such as COAD and HNSC show the opposite, repressed pattern.

CCRCC, COAD, and HNSC are the cancer types where STIM1 tumor–normal differential expression is most reproducible.

mass-spec protein tumor vs normal associations by lineage

Ranked by sampling consensus. Fold-change is the tumor-versus-normal difference in STIM1 mass-spec protein (log₂); positive values indicate higher expression in tumor. p-values are from the differential-expression test.

Lineage	Gender	Stage	Fold-change	p	Sampling consensus
CCRCC	Female	III,IV	+0.447	<.001	12	view →
COAD	Female	IV	−0.367	<.001	12	view →
HNSC	Male	IV	−0.340	<.001	8	view →
PDAC	Male	All	−0.330	<.001	4	view →
OV	All	All	−0.490	.002	2	view →
LSCC	All	II,III,IV	−0.134	.010	2	view →
LUAD	Female	All	+0.116	.043	1	view →

Pink = over-expressed in tumor, green = repressed in tumor. Showing the 7 strongest of 7 lineages.

STIM1–CCRCC

Open the CCRCC breakdown →