incubation of fibroblasts with 0.2 mm dibucaine for 3 h at 37 degrees c results in a twofold to threefold increase in insulin binding , with an increase in average number of binding sites ( ka = 3.0 x 10 ( 7 ) m-1 ) from 9 x 10 ( 3 ) per cell .
C0016030
fibroblasts
C0007634
cell