+-------COMP:N-N(of)-------+   
      +---COMP:V-N(In)--+          |           +-MOD_ATT:N-ADJ+   
      |        +SUBJ:V-N+--OBJ:V-N-+           |       +MOD_AT+   
      |        |        |          |           |       |      |   
 In liver , hypoxia increases expression of __SP__ __NODE__ mRNA .
COMP:V-N(In) (increase,liver)
SUBJ:V-N (increase,hypoxia)
OBJ:V-N (increase,expression)
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)