+------------SUBJ:V-N------------+--------------------COMP:V-N(in)--------------------+    
      +-------COMP:N-N(of)-------+     |                          +------MOD_ATT:N-ADJ------+    
      |           +-MOD_ATT:N-ADJ+     |                          |         +-MOD_ATT:N-ADJ-+    
      |           |       +MOD_AT+     |            +-MOD:ADJ-ADV-+         |       +MOD_ATT+    
      |           |       |      |     |            |             |         |       |       |    
 Expression of __SP__ __NODE__ mRNA occurs in spontaneously hypertensive __SP__ skeletal muscle .
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,muscle)
MOD:ADJ-ADV (hypertensive,spontaneously)
MOD_ATT:N-ADJ (muscle,hypertensive)
MOD_ATT:N-ADJ (muscle,__SP__)
MOD_ATT:N-ADJ (muscle,skeletal)