Chondroitin sulfate proteoglycan biosynthetic process

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

The most reproducible pathway-associated proteins across cancer lineages are SERPINF1, SH3PXD2B, and CDH13, each associated with the pathway in up to 9 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, Chondroitin sulfate proteoglycan biosynthetic process activity versus SERPINF1 in LSCC (Pearson r = 0.32).

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
LSCC	SERPINF1 →	+0.840	+0.059	<.001	<.001	3	9
OV	SH3PXD2B →	+0.601	+0.050	<.001	<.001	3	9
BRCA	CDH13 →	+0.866	+0.039	<.001	<.001	3	9
LSCC	AEBP1 →	+0.880	+0.067	<.001	<.001	3	9
COAD	FKBP7 →	+0.815	+0.044	<.001	<.001	3	9
BRCA	ANGPTL2 →	+0.648	+0.037	<.001	<.001	3	9

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

GO:0050650 vs SERPINF1 — LSCC

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