+-------------COMP:N-N(of)-------------+     
                                        |           +-------MOD_ATT:N-ADJ------+     
    +--MOD_ATT:N-N--+                   |           |       +---MOD_ATT:N-ADJ--+     
    |      +MOD_ATT:+SUBJ:V-N+--OBJ:V-N-+           |       |         +MOD_ATT:+     
    |      |        |        |          |           |       |         |        |     
 Il 6 [__NODE__] protein decreases expression of __SP__ __NODE__ [__NODE__] protein .
MOD_ATT:N-N (protein,6)
MOD_ATT:N-N (protein,[__NODE__])
SUBJ:V-N (decrease,protein)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_ATT:N-N (protein,[__NODE__])