specifically , in the np-40 extract of uteri from ovariectomized mature mice and intact immature mice , but not in the culture medium or residual tissue , estradiol induced a pronounced increase in the relative amount of radioactivity in a 0.8 kd peak , which appeared to contain only free heparan sulfate glycosaminoglycan chains .
C0019143
heparan
C0017973
glycosaminoglycan