+-----------SUBJ:V-N----------+          +-------COMP:N-N(of)-------+   
      +----COMP:N-N(of)----+        |          |           +-MOD_ATT:N-ADJ+   
      |            +MOD_ATT+        +--OBJ:V-N-+           |       +MOD_AT+   
      |            |       |        |          |           |       |      |   
 Withdrawal of __NODE__ protein decreases expression of __SP__ __NODE__ mRNA .
COMP:N-N(of) (withdrawal,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (decrease,withdrawal)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)