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. 2015 Nov 4;6:261. doi: 10.3389/fphar.2015.00261

FIGURE 4.

FIGURE 4

Binding of PPARα to the CYP2C8 promoter in vivo. Precipitated DNA from HepaRG cells without (w/o) treatment or after treatment with amodiaquine (10 μM for 6 h) was purified and was used, together with input DNA, as template for Sybr-Green PCR using a total of 12 primer pairs spanning approximately 10 kb of the CYP2C8 promoter region. Raw Ct (cycle threshold) values were normalized to input DNA to calculate the percentage of DNA immunoprecipitated. Primers encompassing the PPRE of the human HMGCR gene were used as positive control. Means relative to negative control primer pair (n.c.) are shown. (A–F) Schematic representation of CYP2C8 promoter regions, which were subjected for the ChIP analysis. Promoter scheme includes binding sites of previously described transcription factors.