The top 20 were IL6, AKT1, VEGFA, TNF, CCL2, IL1B, EGF, CASP3, CXCL8, MAPK1, MMP9, EDN1, PTGS2, NOS3, SERPINE1, IL10, TP53, EGFR, ICAM1, and MMP2, which suggested that these proteins might play a key role in the treatment of CHD with HXQR. The gene discussed is MMP2; the disease is coronary artery disorder.