The ChIP-PCR procedure was similar to previously described procedures [30 (link)]. ChIP DNA from anti-EGR1 (ab55160, Abcam)-treated cells was used to examine the association between EGR1 and PFKFB3. DNA from anti-IgG antibody-treated cells served as the control. Purified DNA was used to analyze the PFKFB3 proximal promoter region by real-time PCR. The PFKFB3 primers were as follows: forward: 5′-TGTGAAAACCAGATGCCAGC-3′; and reverse: 5′-GGACTTGAACTGAGCCTTGC-3′. The relative amplification of the promoter sequence of the gene was calculated using the 2−ΔΔCT method.
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