CXCR4 and coronary stenosis: al's analysis: CDKN1A, CXCR4, KLF4, PLAUR, SAMSN1, SOD2 and THBS1. Wingrove et al., [10] performed whole-genome microarray analysis on PBMCs of 27 cases with angiographic coronary artery stenosis and 14 controls and identified 526 genes with >1.3-fold differential expression (P < 0.05) between cases and controls.