+-----MOD_ATT:N-N----+-----------COMP:V-N(In)----------+                                     
      |     +--MOD_ATT:N-N-+        +-MOD_ATT:N-ADJ-+        |          +----COMP:N-N(of)----+     
      |     |          +MOD+        |       +MOD_ATT+SUBJ:V-N+--OBJ:V-N-+            +MOD_ATT+     
      |     |          |   |        |       |       |        |          |            |       |     
 In cell surface from HK cells , __SP__ __NODE__ protein decreases expression of __NODE__ protein .
MOD_ATT:N-N (cell,cell)
MOD_ATT:N-N (cell,surface)
MOD_ATT:N-N (cell,HK)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
COMP:V-N(In) (decrease,cell)
SUBJ:V-N (decrease,protein)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__NODE__)