Effect of conjugate on androgen receptor expression in LNCaP cells.
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Abstract
<p>(A) Regulation of androgen receptor expression in LNCaP cells by varying doses of conjugate as determined by RT-PCR. (B) Immunoblot analysis to show the expression of androgen receptor in response to conjugate and (C) resveratrol. The histogram on the right panel of each figure represents densitometric analyses of the image data and expressed as percent of control where the results are mean ± SEM of three independent experiments. *and # represents statistically significant difference with respect to control and 10 nM DHT respectively at <i>p</i><0.05. (D) Immunofluorescence analysis to show the expression of androgen receptor (400× magnification). (E) Effect of conjugate on androgen receptor protein turnover in LNCaP cells. LNCaP cells were grown to 60–70% confluency and treated with 10 μg/ml protein synthesis inhibitor cycloheximide (30 min pre-treatment) with or without 10 μM conjugate at 0 h. Cells were then harvested at various time points (0, 3, 6 12, 24 and 36 h) and lysates were prepared. Androgen receptor protein levels were determined by immunoblot analysis using anti-androgen receptor antibody and normalized to β-actin control. The results are representative of two independent experiments. CHX, cycloheximide.</p