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  • Title: Use of a hormone-sensitive (LNCaP) and a hormone-resistant (LNCaP-r) cell line in prostate cancer research.
    Author: Pousette A, Carlström K, Henriksson P, Grande M, Stege R.
    Journal: Prostate; 1997 May 15; 31(3):198-203. PubMed ID: 9167773.
    Abstract:
    BACKGROUND: In order to develop a hormone-resistant analog to the hormone sensitive cell-line LNCaP, different methods were tried. METHODS: After almost one year of continuous culture in RPMI-1640, containing a low concentration of androgens, the hormone sensitive cell-line LNCaP became hormone resistant and was named LNCaP-r. RESULTS: We used the LNCaP/LNCaP-r model system in order to study methods for the parenteral treatment of prostate carcinoma with estrogens, to study the mechanism of action of estramustine, and to identify markers useful as predictive tests for prostate carcinoma. CONCLUSIONS: A model system made up of the hormone sensitive prostate LNCaP cell-line and the hormone resistant LNCaP-r subline was developed and characterized. This system is, despite a number of limitations, easy to use as a first step to test different hypotheses that can be studied further in later clinical trials.
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