MASP1 and endothelial dysfunction: The prospective cohort consisted of 574 individuals (age 60 ± 7 years; 7 years follow-up), who were screened for longitudinal associations of plasma MBL, MASP-1, MASP-2, MASP-3, and MAp44 with biomarker scores reflecting low-grade inflammation and endothelial dysfunction, respectively, and carotid intima-media thickness.