+-------COMP:N-N(of)-------+   
         +---COMP:V-N(In)--+          |           +-MOD_ATT:N-ADJ+   
     +MOD+        +SUBJ:V-N+--OBJ:V-N-+           |       +MOD_AT+   
     |   |        |        |          |           |       |      |   
 In C6 cells , PD98059 decreases expression of __SP__ __NODE__ mRNA .
MOD_ATT:N-N (cell,C6)
COMP:V-N(In) (decrease,cell)
SUBJ:V-N (decrease,PD98059)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)