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. 2010 Apr 16;9:80. doi: 10.1186/1476-4598-9-80

Figure 4.

Figure 4

HDAC2-dependent regulation of NOXA does not contribute to TRAIL sensitization. A) Quantitative NOXA and HDAC2 mRNA expression analysis in MiaPaCa2 cells after the transfection of a control, a HDAC2-specific or the combination of HDAC2- and NOXA-specific siRNAs. Total RNA was prepared 48 hours post-transfection. NOXA and HDAC2 mRNA levels were quantified using real-time PCR analysis and normalized to cyclophilin expression levels (Student's t-test: * p < 0.05 versus controls). B) MiaPaCa2 cells were transfected with a control siRNA, a HDAC2-specific siRNA or co-transfected with a HDAC2- and NOXA-specific siRNA as indicated. 48 hours after the transfection the cells were treated with 30 ng/ml TRAIL for additional 24 hours or left as an untreated control. Apoptotic cells were quantified by fluorescence microscopy after Hoechst staining (Student's t-test: * p < 0.05 versus controls).