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