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Volume 4, Issue 2, Pages (June 1997)

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1 Volume 4, Issue 2, Pages 113-120 (June 1997)
Stimulation and inhibition of androgen-mediated proliferation in human prostate tumor cell line LNCaP: biological and pathophysiological impact  Hideaki Hoshino, Kou Sakabe, Yoji Katsuoka, Kanji Seiki, Nobuo Kawamura  Pathophysiology  Volume 4, Issue 2, Pages (June 1997) DOI: /S (97)

2 Fig. 1 Cell proliferation yields obtained when LNCaP cells were grown in 10% CDHuS. The serum was supplemented with: (a) 3×10−12–3×10−7 mol/l DHT; (b) 3×10−12–3×10−7 mol/l DHT plus 3×10−8 mol/l FLU (–∘–) or 30 μg SPN (-▴-). Values are means±S.D. of six determinations. *P<0.01 vs. control value (no DHT). Pathophysiology 1997 4, DOI: ( /S (97) )

3 Fig. 2 Effect of serum concentration on cell proliferation when LNCaP cells were grown in medium supplemented with 1 to 30% CDHuS alone (□) or with 3×10−10 mol/l DHT (■). Values are means±S.D. of six determinations. *P<0.01 vs. value of serum alone. Pathophysiology 1997 4, DOI: ( /S (97) )

4 Fig. 3 The kinase assay samples from LNCaP cells were measured by the non-radioisotopic PKC assay system. The color bands on the gel were analyzed in a scanning densitometer at 570 nm and expressed as percent activity. The serum was supplemented with: (a) 3×10−12–3×10−7 mol/l DHT; (b) 3×10−12–3×10−7 mol/l DHT plus 3×10−8 mol/l FLU (–∘–) or 30 μg SPN (-▴-). Values are means±S.D. of six determinations. *P<0.01 vs. control value (no DHT). Pathophysiology 1997 4, DOI: ( /S (97) )

5 Fig. 4 DNA synthetic activity of isolated liver cell nuclei incubated with the cytoplasmic extract from the LNCaP cells exposed to: (a) 3×10−12–3×10−7 mol/l DHT; (b) 3×10−12–3×10−7 mol/l DHT plus 3×10−8 mol/l FLU (–∘–) or 30 μg SPN (-▴-). Values are means±S.D. of six determinations. *P<0.01 vs. control value (no DHT). Pathophysiology 1997 4, DOI: ( /S (97) )

6 Fig. 5 Immunoblot of the extract from LNCaP cells treated with 3×10−12–3×10−7 mol/l DHT. Peptide bands containing cdc2 protein molecules were visualized by alkaline phosphatase-staining. Pathophysiology 1997 4, DOI: ( /S (97) )

7 Fig. 6 Immunohistochemical staining of androgen receptors (AR) in LNCaP cells. Specific AR staining in cells was confined exclusively to the nucleus, with none present in the extranuclear compartment. Magnification: X360 Pathophysiology 1997 4, DOI: ( /S (97) )


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