+---------------------SUBJ:V-N---------------------+             
  +----------OBJ:V-N---------+                       |             
  |            +---SUBJ:V-N--+--OBJ:V-N-+MOD_PO+     +OBJ:V-N+     
  |            |             |          |      |     |       |     
 22 ( hydroxycholesterol increases activation of __NODE__ protein .
OBJ:V-N (increase,@card@)
SUBJ:V-N (increase,hydroxycholesterol)
OBJ:V-N (increase,activation)
MOD_POST:N-ADJ (activation,of)
SUBJ:V-N (__NODE__,@card@)
OBJ:V-N (__NODE__,protein)