Background:

Phorbol 12,13-dibutyrate (Phorbol dibutyrate) is a PKC activator and a potent skin tumor promoter[1][2].

Phorbol 12,13-dibutyrate (Phorbol dibutyrate) (1 MM) activates PKC and inhibited Na/K-ATPase transport activity in OK cells[3].

参考文献:
[1]. Singh J, et al. Immunocytochemical evidence for PDBu-induced activation of RhoA/ROCK in human internal anal sphincter smooth muscle cells. Am J Physiol Gastrointest Liver Physiol. 2011 Aug;301(2):G317-25.
[2]. Szallasi Z, et al. Dissociation of phorbol esters leads to immediate redistribution to the cytosol of protein kinases C alpha and C delta in mouse keratinocytes. J Biol Chem. 1994 Nov 4;269(44):27159-62.
[3]. Middleton JP, et al. Heterogeneity of protein kinase C-mediated rapid regulation of Na/K-ATPase in kidney epithelial cells. J Biol Chem. 1993 Jul 25;268(21):15958-64.