MKN74 and MKN45 cells were transfected with SETDB2 siRNA or negative control siRNA for 48 hours. ChIP assays were performed using the ChIP-IT Express Kit (Active Motif) according to the manufacturer's instructions [9 (link)]. AGS cells were transfected with the SETDB2/pcDNA3 or empty/pcDNA3 expression vector. Antibodies used were anti-H3 (Active Motif), anti-H3K9me3 (Active Motif), Normal Rabbit IgG (No. 2729, Cell Signaling Technology, Danvers, MA) and anti-SETDB2 (No. 5517, abcam).
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