CFH and myocardial infarction: While there was no available expression data on complement factor H (CFAH) and matrix metalloproteinase-17 (MMP17) in plasma from patients post-MI, the CFAH polymorphism Y402H has been inversely associated with the risk of coronary heart disease (CHD) among women but not men, and MMP17 was found to be overexpressed in atherosclerotic vessels [47], [48].