Spermine analogue-regulated expression of spermidine/spermine N1-acetyltransferase and its effects on depletion of intracellular polyamine pools in mouse fetal fibroblasts Uimari, A.; Keinänen, T.A.; Karppinen, A.; Woster, P.; Uimari, P.; Jänne, J.; Alhonen, L. Biochemical Journal 422(1): 101-109 2009 1470-8728 10.1042/bj20090411 https://eurekamag.com/research/055/878/055878624.php