+--------COMP:N-N(of)-------+     
            +---COMP:V-N(In)---+          |           +-MOD_ATT:N-ADJ-+     
      +MOD_A+         +SUBJ:V-N+--OBJ:V-N-+           |       +MOD_ATT+     
      |     |         |        |          |           |       |       |     
 In HepG2 cells , __NODE__ increases expression of __SP__ __NODE__ protein .
MOD_ATT:N-N (cell,HepG2)
COMP:V-N(In) (increase,cell)
SUBJ:V-N (increase,__NODE__)
OBJ:V-N (increase,expression)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)