+---COMP:V-N(In)---+          +----COMP:N-N(of)----+     
      |         +SUBJ:V-N+--OBJ:V-N-+            +MOD_ATT+     
      |         |        |          |            |       |     
 In cells , __NODE__ decreases expression of __NODE__ protein .
COMP:V-N(In) (decrease,cell)
SUBJ:V-N (decrease,__NODE__)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__NODE__)