+-----------OBJ:V-N----------+                                   
                  |      +MOD_ATT:N-N+         |                                   
                  |      |    +MOD_AT+-SUBJ:V-N+--OBJ:V-N-+MOD_PO+                 
                  |      |    |      |         |          |      |                 
 __NODE__ like growth factor II [__NODE__] increases activation of cation channel .
MOD_ATT:N-N ([__NODE__],factor)
MOD_ATT:N-N ([__NODE__],II)
OBJ:V-N (increase,growth)
SUBJ:V-N (increase,[__NODE__])
OBJ:V-N (increase,activation)
MOD_POST:N-ADJ (activation,of)