+----------------------------COMP:N-N(by)----------------------------+                                  
                                                +-----------------OBJ:V-N-----------------+                          |                                  
          +-------COMP:V-N(In)-------+          +----COMP:N-N(of)---+      +---SUBJ:V-N---+           +-MOD_ATT:N-ADJ+                                  
     +MOD_+         +MOD_ATT+SUBJ:V-N+--OBJ:V-N-+           +MOD_ATT+      +SUBJ:V-N+     |           |      +MOD_ATT+                                  
     |    |         |       |        |          |           |       |      |        |     |           |      |       |                                  
 In 3t3 cells , __NODE__ protein increases expression of __SP__ __NODE__ mRNA that is decreased by mutant __SP__ __NODE__ gene ( homozygous knockout ) .
MOD_ATT:N-ADJ (cell,3t3)
MOD_ATT:N-ADJ (protein,__NODE__)
COMP:V-N(In) (increase,cell)
SUBJ:V-N (increase,protein)
OBJ:V-N (increase,expression)
COMP:N-N(of) (expression,__NODE__)
COMP:N-N(by) (expression,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V-N (be,mRNA)
OBJ:V-N (decrease,expression)
SUBJ:V-N (decrease,mRNA)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)