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J Steroid Biochem. 1984 Feb;20(2):639-44.

Measurement of endogenous subcellular concentration of steroids in tissue.


A reliable method for the extraction of steroid hormones from human uterine tissue and the subsequent measurement of these hormones in the subcellular compartments by radioimmunoassay is described. Extraction of radioactive steroid hormones from in vivo labelled human uterine tissue by different methods reveals that an almost quantitative extraction of steroid hormones from the nuclear fraction is obtained by sonication in ethanol-acetone. Extraction of steroid hormones with diethylether from a high speed cytosol is incomplete. Using a more potent denaturating agent prior to extraction with diethyl ether leads to complete extraction of unconjugated steroids.

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