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. 2014 Oct 3;9(10):e109921. doi: 10.1371/journal.pone.0109921

Figure 3. BORIS promoter methylation and expression of hTERT, stem cell and CSC markers genes in BORIS-positive cells.

Figure 3

(A) Methylation analysis of 10 CpG islands within the BORIS promoter region (B promoter). The representative graphic shows the percentage of methylation of each CpG island for the isolated BORIS-positive (white), -negative (grey) and non-sorted (black) NCCIT cells. (B) Expression analysis of the isolated BORIS-positive (white) and BORIS-negative (grey) fractions. The indicated genes were analyzed by qRT-PCR. The results were normalized to GAPDH and related to non-sorted NCCIT cells. Graphic shown one representative experiment out of 3 independent experiments (the trend was similar in all independent experiments). Asterisks indicate statistically significant difference (p<0.05) between BORIS-positive and the non-sorted cells.