By performing the adding step, there is downregulating of {HEAD ~ the expression} of {TAIL ~ colony intracellular bound bFGF}, and by performing the downregulating step, there is inhibiting of bFGF promoted growth of cells in the colony 
of
By performing the adding step , there is downregulating of { HEAD ~ the expression } of { TAIL ~ colony intracellular bound bFGF } , and by performing the downregulating step , there is inhibiting of bFGF promoted growth of cells in the colony
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH