+-------------------COMP:V-N(in)------------------+    
                                       |          +-------------MOD_ATT:N-ADJ------------+    
      +------------SUBJ:V-N------------+          |       +---------MOD_ATT:N-ADJ--------+    
      +-------COMP:N-N(of)-------+     |          |       |        +----MOD_ATT:N-ADJ----+    
      |           +-MOD_ATT:N-ADJ+     |          |       |        |        +MOD_ATT:N-AD+    
      |           |       +MOD_AT+     |          |       |        |        |      +MOD_A+    
      |           |       |      |     |          |       |        |        |      |     |    
 Expression of __SP__ __NODE__ mRNA occurs in cultured __SP__ mesenteric smooth muscle cells .
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,cell)
MOD_ATT:N-ADJ (cell,cultured)
MOD_ATT:N-ADJ (cell,__SP__)
MOD_ATT:N-ADJ (cell,mesenteric)
MOD_ATT:N-ADJ (cell,smooth)
MOD_ATT:N-N (cell,muscle)