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