+------------------------------------COMP:V-N(In)-----------------------------------+                                 
                               |                                    +-------------------SUBJ:V-N-------------------+                                 
       +-----MOD_ATT:N-ADJ-----+      +---------MOD_ATT:N-N---------+---------COMP:N-N(in)---------+               |                                 
       |        +-MOD_ATT:N-ADJ+      |         +---MOD_ATT:N-ADJ---+                   +---------SUBJ:V-N---------+----COMP:V-N(from)----+          
       |        |      +MOD_ATT+      |         |         +MOD_ATT:N+                   +COMP:N-N(i+               |               +MOD_AT+          
       |        |      |       |      |         |         |         |                   |          |               |               |      |          
 In __SP__ , mutant __SP__ __NODE__ gene ( homozygous knockout ) causes little or no change in quantity of oligodendrocytes from adult __SP__ brain .
MOD_ATT:N-ADJ (__NODE__,__SP__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)
MOD_ATT:N-N (cause,gene)
MOD_ATT:N-ADJ (cause,homozygous)
MOD_ATT:N-N (cause,knockout)
COMP:N-N(in) (cause,quantity)
COMP:N-N(in) (change,quantity)
COMP:V-N(In) (oligodendrocytes,__NODE__)
SUBJ:V-N (oligodendrocytes,cause)
SUBJ:V-N (oligodendrocytes,change)
COMP:V-N(from) (oligodendrocytes,__SP__)
MOD_ATT:N-N (__SP__,adult)