+MOD_AT+-SUBJ:V-N+--OBJ:V-N-+COMP:N-N(of)+     
             |      |         |          |            |     
 Interleukin 1 [__NODE__] decreases expression of __NODE__ .
MOD_ATT:N-N ([__NODE__],1)
SUBJ:V-N (decrease,[__NODE__])
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,__NODE__)