Ets2 suppresses inflammatory cytokines through MAPK/NF-κB signaling and directly binds to the IL-6 promoter in macrophages

Xianwei Ma; Zhengyu Jiang; Na Li; Wei Jiang; Peng Gao; Mingjin Yang; Xiya Yu; Guifang Wang; Yan Zhang

doi:doi:10.18632/aging.102480

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Research Paper Volume 11, Issue 22 pp 10610—10625

Ets2 suppresses inflammatory cytokines through MAPK/NF-κB signaling and directly binds to the IL-6 promoter in macrophages

Figure 2. Ets2 inhibits LPS-induced IL-6 and TNF-α production in macrophages. (A) Immunoblot analysis of the expression of Ets2 in mouse primary peritoneal macrophages transfected with control siRNA (Ctrl) or Ets2-targeted siRNA (Ets2) with LPS stimulation for indicated time. (B, C) IL-6 (B) and TNF-α (C) mRNA expression of cells stimulated with 100 ng/ml LPS for the indicated times. (D, E) IL-6 (D) and TNF-α (E) mRNA expression in Ets2^fl/flLyz2cre⁻or Ets2^fl/flLyz2cre⁺ mouse primary peritoneal macrophages stimulated with 100 ng/ml LPS for the indicated times. (F, G) ELISA assay of IL-6 (F) and TNF-α (G) in the supernatant of the cells stimulated with 100 ng/ml LPS for the indicated times. Data are shown as the mean ± s.d. of three samples. Student’s t-test compared with the control or Ets2^fl/flLyz2cre^- group. *, P<0.05, and **, P<0.01.