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. 2021 Apr 7;12:649572. doi: 10.3389/fimmu.2021.649572

Figure 3.

Figure 3

Identification of transcription factors that bind to the cis-elements. (A) Sequences of the probes used in electrophoretic mobility shift assay. (B, D) Fluorescein (FLO)-labeled probe A (B) or B (D) were incubated with nuclear extracts of THP-1 cells in the presence of anti-PU.1 (P), anti-IRF4 (4), anti-IRF8 (8) or nonspecific (N) antibodies. (C, E) FLO-labeled probe A (C) or B (E) were incubated with nuclear extracts of THP-1 cells in the presence of 2- or 10-fold amounts of unlabeled wild-type or mutated oligonucleotides. After electrophoresis on 5% acrylamide gels, fluorescence was detected.