when the cells were grown in medium containing 32pi and 0.1 microm 12-o-tetradecanoyl-phorbol 13-acetate ( tpa ) , 32p-labelling of the three neurofilament subunits was increased 6- to 20-fold relative to controls , the highest level of stimulation occurring for the mid-sized subunit .
C0007634
cells
C0027834
neurofilament