In another embodiment, {HEAD ~ the PTTG1 inhibitor} is {TAIL ~ PTTG1 siRNA} 
In another embodiment , { HEAD ~ the PTTG1 inhibitor } is { TAIL ~ PTTG1 siRNA }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL