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Figure 4 | Molecular Cancer

Figure 4

From: Mahanine restores RASSF1A expression by down-regulating DNMT1 and DNMT3B in prostate cancer cells

Figure 4

Mahanine down-regulates pAkt levels and PI3K/Akt inhibitor wortmannin reduces DNMT1 and DNMT3B protein levels. A. PC3 and LNCaP cells were treated with mahanine as indicated. The cell lysates were subjected to Western blot analysis for phospho Akt (pAkt), total Akt. Β-actin was used as a loading control. B. PC3 and LNCaP cells were treated with wortmannin (1 μM) for 24 hours. Cell lysates were subjected to Western blot analysis to measure DNMT1, DNMT3B, pAkt and total Akt levels. β-actin was used as a loading control. The fold change in expression of the respective proteins compared to control is indicated below. C. PC3 cells were treated with DMSO or wortmannin (1 μM) for 24 hours. DNMT1 and DNMT3B cellular localization was visualized by immunofluorescent staining. After 24h of treatment, cells were fixed in methanol, incubated with the indicated antibodies, stained with Alexa Fluor 594-tagged secondary antibodies and counterstained with DAPI. Slides were then mounted and examined under a fluorescence microscope. The bright field images of PC3 cells treated with DMSO or wortmannin (1 μM) for 24 hours are shown (right panel).

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