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