dipolid human fibroblast-rich tissues contain a macromolecule with a molecular weight between 30,000 and 50,000 daltons which will inhibit the proliferation of fibroblasts in the g1 phase of the cell cycle ( i.e. , inhibit both 3h-thymidine uptake as well as the normal increase in cell number ) .
C0016030
fibroblast
C0007634
cell