Lipocalin-type prostaglandin D synthase is a powerful biomarker for severity of stable coronary artery disease
2008
Abstract Lipocalin-type prostaglandin D synthase (L-PGDS), which is responsible for the biosynthesis of prostaglandin (PG) D 2 , has been found to be present in the atherosclerotic plaque of the human coronary artery and also to be detectable in human serum. This multicenter cooperative study was designed to establish the diagnostic value of measuring serum L-PGDS for coronary artery disease. The study included 1013 consecutive patients suspected of having stable coronary artery disease who underwent diagnostic coronary angiography. Peripheral blood was collected prior to angiography. The serum level of L-PGDS, as determined by a sandwich ELISA, was 58.1±2.2, 62.0±1.8 and 80.6±2.6μg/dl for patients with no stenotic lesion (N, n =241), single-vessel coronary artery disease (S, n =351), and multi-vessel coronary artery disease (M, n =421), respectively (N vs. S; P P P R =0.55, P stable coronary artery disease prior to coronary angiography.
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