Chromatin immunoprecipitation (ChIP) was done as described in Lindeman et al. [49 (link)]. Antibodies, H3K4me3 (cat #. C15410003), H3K27me3 (cat # C15410069) and H3-pan (cat# C15310135) were purchased from Diagenode, Belgium. ChIP-primers for cebpa locus were designed in Primer3 v4.0.0 [50 (link), 51 (link)] and purchased from ThermoFisher Scientific (Additional file 1: Table S1). The precipitated DNA was quantified with qPCR (SYBR green, Roche) using 2.5 µL ChIP DNA as input template. Both ChIP and the qPCR experiments were performed in duplicates.
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