+-----------------COMP:ADJ-N(in)-----------------+                +----------------------COMP:ADJ-N(in)---------------------+               
                                    |                      +------MOD_ATT:N-ADJ------+                |                      +-----------MOD_ATT:N-ADJ----------+               
                                    |                      |          +-MOD_ATT:N-ADJ+                |                      |       +--------MOD_ATT:N-N-------+               
           +OBJ:V-N+-MOD_POST:N-ADJ-+                      |          |      +MOD_ATT+-MOD_POST:N-ADJ-+                      |       |          +--MOD_ATT:N-N--+               
           |       |                |                      |          |      |       |                |                      |       |          |               |               
 Mutant __SP__ __NODE__ gene ( homozygous knockout ) in __SP__ and mutant __SP__ __NODE__ gene ( homozygous knockout ) in __SP__ increase proliferation of astrocytes in brain .
OBJ:V-N (__SP__,__NODE__)
MOD_POST:N-ADJ (__NODE__,homozygous)
COMP:ADJ-N(in) (homozygous,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)
MOD_POST:N-ADJ (__NODE__,homozygous)
COMP:ADJ-N(in) (homozygous,astrocyte)
MOD_ATT:N-ADJ (astrocyte,__SP__)
MOD_ATT:N-N (astrocyte,increase)
MOD_ATT:N-N (astrocyte,proliferation)