Regulation of phosphatidylinositol biosynthetic process

Across TCGA patient cohorts, RNA activity of the Regulation of phosphatidylinositol biosynthetic process pathway is significantly associated with the protein abundance of multiple proteins, with the GBM cohort showing a particularly strong set of associations.

The most reproducible pathway-associated proteins across cancer lineages are IGFBP7, NES_S768, and CISD1, 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, Regulation of phosphatidylinositol biosynthetic process activity versus IGFBP7 in GBM (Pearson r = 0.42).

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
GBM	IGFBP7 →	+0.996	+0.085	<.001	<.001	3	5
CCRCC	NES_S768 →	+0.411	+0.059	<.001	<.001	3	5
GBM	CISD1 →	-0.509	-0.057	<.001	<.001	3	5
GBM	UACA →	+0.254	+0.077	<.001	<.001	3	5
CCRCC	PPP1R12A →	+0.259	+0.070	<.001	.001	3	5
LSCC	BCAS3_S570 →	-0.547	-0.069	.001	.003	3	4

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

GO:0010511 vs IGFBP7 — GBM

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