+-----------SUBJ:V-N----------+                                  
     +----COMP:N-N(of)----+        |          +----COMP:N-N(of)---+   
     |            +MOD_ATT+        +--OBJ:V-N-+            +MOD_AT+   
     |            |       |        |          |            |      |   
 Depletion of __NODE__ protein decreases expression of __NODE__ mRNA .
COMP:N-N(of) (depletion,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (decrease,depletion)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__NODE__)