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. 2019 Nov 21;10(12):877. doi: 10.1038/s41419-019-2108-x

Fig. 5.

Fig. 5

The TGFβ signaling reduces the expression of MXI1 via the RUNX1/ SUV39H1 transcriptional complex, and regulates the expression of target genes (BCL3, MGP, and MXI1). a, b Real-time PCR showing the effect of shRUNX1, shRUNX1 plus TGFβ, LV-RUNX1, or LV-RUNX1 plus LY2109761 on MXI1 mRNA levels in U251 or N9 cells. c Western blots were performed to analyze the protein expression of MXI1 and H3K9me3 after treatment with shRUNX1/LV-RUNX1 or shSUV39H1/LV-SUV39H1 or rescue with TGFβ/LY2109761. GAPDH and H3 were used as loading controls. d Western blots were performed to analyze the protein expression of MXI1 and H3K9me3 after treatment with H3K9me3 inhibitor. GAPDH and H3 were used as loading controls. e ChIP-qPCR results showing the level of H3K9me3 on the MXI1 promoter after treatment with shRUNX1 or shRUNX1 plus TGFβ. f The level of H3K9me3 enrichment on the MXI1 promoter after LV-RUNX1 or LV-RUNX1 plus LY2109761. g, h Real-time PCR showing the effect of LY2109761 or TGFβ on BCL3, MGP, POSTN, and MXI1 mRNA levels in U251 or N9 cells. i Western blots showing the effect of LY2109761 or TGFβ on BCL3, MGP and MXI1 protein levels in U251 or N9 cells. (*p < 0.05, ***p < 0.001 and ****p < 0.0001, respectively).