+--------------COMP:V-N(in)-------------+    
                                  |          +--------MOD_ATT:N-ADJ-------+    
      +----------SUBJ:V-N---------+          |           +--MOD_ATT:N-ADJ-+    
      +----COMP:N-N(of)---+       |          |           |        +MOD_ATT+    
      |           +MOD_ATT+       |          |           |        |   +MOD+    
      |           |       |       |          |           |        |   |   |    
 Expression of __SP__ __NODE__ occurs in cultured differentiated 3T3 L1 cells .
COMP:N-N(of) (expression,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,cell)
MOD_ATT:N-ADJ (cell,cultured)
MOD_ATT:N-ADJ (cell,differentiate)
MOD_ATT:N-ADJ (cell,3T3)
MOD_ATT:N-N (cell,L1)