Scientists from the Cleveland Clinic have reported that the enzyme proprotein convertase subtilisin/kexin-6 (PCSK6) plays a role in blood pressure. Another member of the PCSK family, PCSK9, is the target of two recently approved cholesterol drugs, Praluent (alirocumab, Regeneron Pharmaceuticals Inc./Sanofi SA) and Repatha (evolocumab, Amgen Inc.).