+---------COMP:V-N(In)--------+          +-------COMP:N-N(of)-------+   
       +---MOD_ATT:N-ADJ--+         +------SUBJ:V-N-----+          |           +-MOD_ATT:N-ADJ+   
       |      +MOD_ATT:N-N+         +COMP:N-N(of+       +--OBJ:V-N-+           |       +MOD_AT+   
       |      |           |         |           |       |          |           |       |      |   
 In mammary gland from __SP__ , pregnancy of __SP__ decreases expression of __SP__ __NODE__ mRNA .
MOD_ATT:N-ADJ (__SP__,mammary)
MOD_ATT:N-N (__SP__,gland)
COMP:N-N(of) (pregnancy,__SP__)
COMP:V-N(In) (decrease,__SP__)
SUBJ:V-N (decrease,pregnancy)
OBJ:V-N (decrease,expression)
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)