+---------------------------APPOS---------------------------+------------------------------APPOS------------------------------+                                                                  
                   +------------------APPOS------------------+                 |                        +--------------MOD_ATT:N-ADJ-------------+--------COMP:N-N(of)-------+                                      
                   |                 +-----MOD_ATT:N-ADJ-----+                 |                        |                      +--MOD_ATT:N-ADJ--+           +-MOD_ATT:N-ADJ-+------COMP:N-N(in)-----+              
           +OBJ:V-N+                 |          +-MOD_ATT:N-N+          +MOD_AT+                        |                      |       +MOD_ATT:N+           |       +MOD_ATT+          +MOD_ATT:N-AD+--APPOS-+     
           |       |                 |          |            |          |      |                        |                      |       |         |           |       |       |          |            |        |     
 Mutant __SP__ __NODE__ gene ( heterozygous knockout ) in __SP__ and mutant __SP__ __NODE__ gene ( homozygous knockout ) in __SP__ increase expression of __SP__ __NODE__ protein in __SP__ very __NODE__ ( VLDL ) .
OBJ:V-N (__SP__,__NODE__)
APPOS (__NODE__,__SP__)
APPOS (__NODE__,__SP__)
MOD_ATT:N-ADJ (__SP__,heterozygous)
MOD_ATT:N-N (__SP__,knockout)
MOD_ATT:N-ADJ (__SP__,mutant)
APPOS (__SP__,expression)
MOD_ATT:N-ADJ (expression,homozygous)
MOD_ATT:N-ADJ (expression,__SP__)
MOD_ATT:N-N (expression,increase)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
COMP:N-N(in) (protein,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
APPOS (__NODE__,VLDL)