the effect of natural beta-interferon ( beta-ifn ) on steroid receptor levels and output of prostaglandins ( pgs ) was investigated in human endometrial cancer . beta-ifn determines in endometrial adenocarcinoma explants an increase of cytosolic estradiol ( er ) and progesterone ( pr ) receptors at concentrations ranging from 10 to 1000 iu/ml of culture medium .
C0034840
steroid receptor
C0034833
progesterone