Atrial cardiac muscle cell membrane repolarization

Across TCGA patient cohorts, RNA activity of the Atrial cardiac muscle cell membrane repolarization pathway is significantly associated with the protein abundance of multiple proteins, with the PDAC cohort showing a particularly strong set of associations.

The most reproducible pathway-associated proteins across cancer lineages are CNN3, CRTAP, and DSP_S227, each associated with the pathway in up to 5 cancer types. Since the analysis shows associations rather than directional relationships, both pathway-to-partner and partner-to-pathway views are reported.

Each partner is linked to its corresponding Q-omics profile. The scatter plot shows the strongest association, Atrial cardiac muscle cell membrane repolarization activity versus CNN3 in PDAC (Pearson r = -0.17).

Pathway-associated proteins by consensus

Ranked by combined sampling and lineage consensus. X-score (pathway→partner) and Y-score (partner→pathway) are standardized regression coefficients; both directions are reported because the association is undirected. The reported p-values are derived from the association test.

Lineage	Partner protein	X-score	Y-score	p(X)	p(Y)	Sampling consensus	Lineage consensus
PDAC	CNN3 →	-0.507	-0.087	.002	<.001	3	5
PDAC	CRTAP →	-0.315	-0.075	.003	<.001	3	5
HNSC	DSP_S227 →	+1.243	+0.157	<.001	<.001	3	4
OV	HOOK2 →	+0.285	+0.076	.001	<.001	3	4
OV	LIMD2 →	-0.690	-0.049	<.001	.009	3	4
OV	MLYCD →	+0.258	+0.055	.005	.001	3	4

Each partner links to its Q-omics profile. Showing the 6 strongest associations by consensus.

GO:0099624 vs CNN3 — PDAC

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