+--------COMP:N-N(of)-------+     
                               |           +-MOD_ATT:N-ADJ-+     
              +SUBJ:+--OBJ:V-N-+           |       +MOD_ATT+     
              |     |          |           |       |       |     
 Trichostatin A decreases expression of __SP__ __NODE__ protein .
SUBJ:V-N (decrease,A)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)