SAMHD1

mass-spec protein & survival
Survivalmass-specKaplan–Meier · TCGA cohorts

Across TCGA pan-cancer cohorts, SAMHD1 mass-spec protein is linked to patient survival in 5 of 34 cancer types, making it a survival-associated SAMHD1 data layer compared with 24 for mass-spec protein and 4 for mutation status.

The strongest signal is observed in pancreatic ductal adenocarcinoma (PDAC), where higher SAMHD1 mass-spec protein is associated with better disease-free survival. In most high-consensus cancer types, elevated SAMHD1 expression acts as an unfavorable survival marker, although some lineages such as PDAC and LUAD show a favorable association.

PDAC, LUAD, and COAD are the cancer types where SAMHD1 mass-spec protein most reproducibly stratifies survival.

mass-spec protein survival associations by lineage

Ranked by sampling consensus. AUC1 and AUC2 indicate survival in the high- and low-expression groups, respectively; the lower AUC marks the poorer-surviving group. p-values are from the log-rank test.
LineageMeasureSplitStageAUC1
high
AUC2
low
pSampling consensus
PDACDFSMedianAll0.5160.296<.00166view →
LUADDFSMedianAll0.7780.439.00119view →
COADDFSQuartileAll0.9131.000.03018view →
HNSCOSMedianII,III,IV0.9521.000.01617view →
UCECOSMedianAll0.8620.964.0422view →
Pink = unfavorable, green = favorable. Showing the 5 strongest of 5 lineages.

SAMHD1–PDAC (DFS)

Kaplan–Meier survival curve for SAMHD1 mass-spec protein-high vs -low samples in PDAC.

Open the PDAC breakdown →

Exploration