when human or rabbit ciliary processes , or cultured ciliary epithelial-derived cells were incubated in serum-free medium containing [ 32p ] orthophosphate and any of the following agents : 1 ) beta-adrenergic agonists ( isoproterenol or epinephrine ) , 2 ) direct activators of adenylate cyclase ( cholera toxin or forskolin ) , 3 ) analogs of cyclic amp ( 8-br-camp ) , or 4 ) prostaglandin e1 , the phosphorylation of vimentin was significantly enhanced .
C0086418
human
C0042666
vimentin