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. 2019 Nov 15;10:1371. doi: 10.3389/fphar.2019.01371

Figure 4.

Figure 4

XIAOPI formula (XPS) suppresses breast cancer stem cells (CSCs) by modulating tumor-associated macrophages (TAMs)/C-X-C motif chemokine ligand 1 (CXCL1) pathway. (A-B) CXCL1 stimulation for 48 h could abrogate the inhibitory effect of XIAOPI formula on breast CSCs subpopulations and mammospheres formation abilities in the co-cultured breast cancer cells. Scale bar = 100 μm. (C) QPCR assay suggested that CXCL1 stimulation for 48 h could abrogate the inhibitory effect of XIAOPI formula on mRNA expression levels of stemness-related genes including β-catenin, OCT4, and Nanog in the co-cultured breast cancer cells. (D) Western blot assay further convinced that CXCL1 treatment for 48 h could reverse the inhibitory effect of XIAOPI formula on β-catenin expression in the co-cultured breast cancer cells. All values are presented as the mean ± SD, n = 3, **P < 0.05.