Preferably, {HEAD ~ the modulation} is induction of proliferation or differentiation of {TAIL ~ a particular cell type} 
Preferably , { HEAD ~ the modulation } is induction of proliferation or differentiation of { TAIL ~ a particular cell type }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL