+--------COMP:N-N(of)-------+     
                   +-----SUBJ:V_PASS-N-----+            |           +-MOD_ATT:N-ADJ-+     
       +MOD_ATT:N-A+COMP:N-N(of)+          +COMP:V_PASS-+           |       +MOD_ATT+     
       |           |            |          |            |           |       |       |     
 Experimental nephropathy of __SP__ is involved in expression of __SP__ __NODE__ protein .
MOD_ATT:N-ADJ (nephropathy,experimental)
COMP:N-N(of) (nephropathy,__SP__)
SUBJ:V_PASS-N (involve,nephropathy)
COMP:V_PASS-N(in) (involve,expression)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)