+----------------------------COMP:V-N(In)----------------------------+          
                     |          +--------MOD_ATT:N-N-------+                              |          
       +MOD_ATT:N-ADJ+          |           +-MOD_ATT:N-ADJ+-----------SUBJ:V-N-----------+          
       |      +MOD_AT+          |           |      +MOD_ATT+-----COMP:N-N(of)-----+       +OBJ:V-+   
       |      |      |          |           |      |       |                      |       |      |   
 In mammary gland tissue , involution of mammary gland increases expression of __SP__ __NODE__ mRNA .
MOD_ATT:N-ADJ (toilet,mammary)
MOD_ATT:N-N (toilet,gland)
MOD_ATT:N-N (increase,involution)
MOD_ATT:N-ADJ (increase,mammary)
MOD_ATT:N-N (increase,gland)
COMP:N-N(of) (increase,__SP__)
COMP:V-N(In) (__NODE__,toilet)
SUBJ:V-N (__NODE__,increase)
OBJ:V-N (__NODE__,mRNA)