2.4.2.12 nicotinamide phosphoribosyltransferase aorta thoracica smooth muscle primary SMC culture stably expressing Nampt, 2.1 +/-0.3 additional population doublings constituting 34 +/-4% lifespan prolongation 680749 2.4.2.12 nicotinamide phosphoribosyltransferase aorta thoracica smooth muscle primary SMC culture, Nampt expression declines as SMC approach senescence as detected by immunoblotting using rabbit-polyclonal anti-human Nampt/Pre-B-cell colony-enhancing factor antibody 680749 3.4.22.B24 calpain 4 aorta thoracica smooth muscle - 649047