the growth of diploid human fibroblasts has previously been shown to be regulated mainly by the extent of cell-cell contacts [ r. j. wieser and f. oesch ( 1986 ) j. cell biol . 103 , 361 ] , these contacts being effective only when terminal , beta-glycosidically linked galactose residues were present on plasma membrane glycoproteins .
C0007634
cell
C0007603
plasma