ESTRADIOL 17 AND CELL MULTIPLICATION - DESCRIPTION OF AN INDIRECT EFFECT

  • 1 January 1982
    • journal article
    • research article
    • Vol. 294 (1), 31-34
Abstract
Castrated quails were perfused for 24 h with estradiol-17.beta. (E2: 2 ng/mn) through either the jugular vein or the portal vein. The parameters compared included: plasma E2 levels, changes in oviduct weight, DNA and soluble protein content, estrogen receptor concentration in nuclear preparations of oviducts and progesterone receptor concentration concentration in the cytosol of oviducts. Evidently, E2 affects the proliferation of cells by an indirect pathway that involve a message generated in the liver. The control of the synthesis of cell-type specific protein required the direct action of E2 at the level of the oviduct cells.