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