Fig. 4From: A metabonomic study to explore potential markers of asymptomatic hyperuricemia and acute gouty arthritisAltered metabolic pathways for the potential biomarkers. The metabolites with red border were upregulated in the HUA/AGA groups, whereas those with green border indicate metabolites that were downregulated. The red arrow represents promotion, the green arrow represents inhibition, and the black arrow represents upstream downstream relationship. HUA: asymptomatic hyperuricemia; AGA: acute gouty arthritis; LysoPC: lysophosphatidylcholine; PA: phosphatidic acid; PC: phosphatidylcholine; PGE2: Dinoprostone; PGF2α: Dinoprost; PI: phosphatidylinositol; PS: phosphatidylserine; SM: sphingomyelinBack to article page