Journal: Cell Death Discovery
Article Title: MSLN-mediated activation of EGFR-ERK1/2 signaling drives liver metastasis in breast cancer
doi: 10.1038/s41420-025-02835-9
Figure Lengend Snippet: A Pearson correlation analysis of the TCGA-TNBC dataset revealed a positive correlation between MSLN and ELF1 expression. B JASPAR database analysis identified the ELF1 recognition motif in the MSLN promoter (upper), and a schematic diagram (lower) illustrated potential ELF1-responsive elements (E1), and introduced an E1 sequence mutation (WT: CAGGAGGAG; Mut: ACAACAACA). C Luciferase reporter assay showed E1-dependent transcription regulation of MSLN by ELF1 in 293 T and HCC1806 Pri cells. D ChIP assays were performed to validate ELF1 binding to the MSLN promoter in 293 T and HCC1806-derived cells. ELF1 regulation of MSLN was analyzed via Luciferase reporter assay ( E ) qRT-PCR ( F ) and WB ( G ) in HCC1806 and 4T1-derived cells. H Pearson correlation analysis of ELF1 and MSLN expression in TNBC patients below median overall survival. (Data are presented as the mean ± SD; ns no statistical difference, * P < 0.05, *** P < 0.001).
Article Snippet: Human TNBC cell lines (HCC1806, MDA-MB-231, Hs578T, BT-549) and mouse breast cancer cell lines (EMT6, 4T1, E0771, PY81119) and 293 T cell line were purchased from the American Type Culture Collection (ATCC, USA).
Techniques: Expressing, Sequencing, Mutagenesis, Luciferase, Reporter Assay, Binding Assay, Derivative Assay, Quantitative RT-PCR