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. 2024 Aug 23;15:7269. doi: 10.1038/s41467-024-51736-5

Fig. 6. Intracellular lipids are required to support the production of growth factor by macrophages.

Fig. 6

a Binding peaks of STAT3 around indicated gene region. b mRNA expression of the reparative markers Cd163, Mrc1, Tgfb1, Pdgfb and Vegfb in PPARγ+/+ and PPARγA/A BMDMs treated with STAT3 inhibitor Stattic (5 μM). n = 3 biological replicates per group. c Representative flow cytometry histograms and quantifications of surface levels of CD163 and CD206 in PPARγ+/+ and PPARγA/A BMDMs treated with stattic for 48 h (n = 3 biological replicates per group). d The protein expression of phosphorylated (Tyr705) STAT3 and total STAT3 in PPARγ+/+ and PPARγA/A BMDMs in response to free fatty acid (FFA). β-Actin was used as a control. e Transcriptional assays of fatty acid on STAT3-driven gene transcription in dual-luciferase reporter assay. Vegfb, Pgdfb and Tgfb1 promoter was transfected in HEK293T cells with or without STAT3 plasmid in response to FFA. n = 4 biological replicates per group. f CUT&RUN qPCR of STAT3 binding to the indicated promoters in BMDMs treated with C75 in response to IL-10 (n = 3 biological replicates per group). Data were normalized to the spike in DNA. g CUT&RUN qPCR of STAT3 binding to the indicated promoters in BMDMs treated with oleate or palmitate (n = 3 biological replicates per group). Data were normalized to the spike in DNA. Unless specified otherwise, the data are presented as means ± s.e.m. (error bar) and compared using the two-tailed Student’s t test. Source data are provided as a Source Data file.