+----------COMP:V-N(In)----------+                                        
      |          +-------SUBJ:V-N------+          +-----COMP:N-N(of)-----+      
      |          +COMP:N-N(of)+        +--OBJ:V-N-+            +MOD_ATT:N+      
      |          |            |        |          |            |         |      
 In liver , activation of __NODE__ decreases expression of __NODE__ protein(s) .
COMP:N-N(of) (activation,__NODE__)
COMP:V-N(In) (decrease,liver)
SUBJ:V-N (decrease,activation)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,protein(s))
MOD_ATT:N-ADJ (protein(s),__NODE__)