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. 2019 Dec 4;15(6-7):618–631. doi: 10.1080/15592294.2019.1700004

Figure 3.

Figure 3.

P16-TET induces hydroxymethylation of P16 CpG islands and reactivates expression of methylated-P16 alleles in AGS cells. (a) Bisulphite-DHPLC analysis for detecting methylated-P16 (P16M) and unmethylated-P16 (P16U) PCR products for the exon-1 antisense strand in P16-TET-transfected AGS cells with different doxycycline induction times. (b) The TAB-DHPLC analysis detected the hydroxymethylated P16 (P16H) PCR products and nonhydroxymethylated P16 (P16N) PCR products. (c and d) Bisulphite and TAB sequencing for detecting 5mC and 5hmC sites, respectively, in the same PCR products as were analysed by DHPLC. (e and f) The results of RT-PCR and Western blot analysis for detecting P16 reactivation in AGS cells.