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