Down-regulation of PTEN expression due to loss of promoter activity in human hepatocellular carcinoma cell lines

Figure 1 Western blot analysis for PTEN protein expression in 8 cell lines under normal growth conditions.

Figure 2 Northern blot analysis of PTEN mRNA expression in 8 cell lines under normal growth conditions.

Figure 3 PTEN promoter deletion analysis in SMMC-7721 and L02 cell lines. A: Schematic representation of serial deletion constructs of human PTEN genomic locus; B: promoter activity of serial deletion constructs of PTEN in L02 cell lines; C: promoter activity of serial deletion constructs of PTEN in SMMC-7721 cell lines.

Figure 4 Activity of PTEN promoter in 8 cell lines.