at fibroblast concentrations of 2.7 x 10 ( 5 ) and 1.48 x 10 ( 6 ) cells per 60-mm dish , specific binding of [ 125i ] sm-c/igf-i per 10 ( 6 ) cells was 170 % higher in sparse than dense monolayers ( 9.3 % vs. 3.4 % ) .
C0016030
fibroblast
C0007634
cells