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Fig. 2 | Molecular Cancer

Fig. 2

From: Estrogen receptor α in cancer associated fibroblasts suppresses prostate cancer invasion via reducing CCL5, IL6 and macrophage infiltration in the tumor microenvironment

Fig. 2

Effects of CM from co-cultured CAF.ERα(+)/macrophages or CAF.ERα(−) /macrophages (Mφ) on PCa invasion. The carton illustrates the PCa invasion transwell system. CM was collected from 48 h co-culture of CAF.ERα(+) or CAF.ERα(−) and RAW264.7 (RAW) cells (a) or B6 primary macrophages (Mφ) (b), co-cultured CM was added to 24-well plates and the PCa cells TRAMP-C1, CWR22Rv-1 (22Rv1), C4-2, or PC-3, were seeded into inserted transwells pre-coated with matrigel. After 24 to 48 h incubation (TRAMPC-1 and PC-3 for 24 h; CWR22Rv-1 and C4-2 for 48 h), invaded PCa cells were counted and compared between CM of CAF.ERα(−)/macrophages and CAF.ERα(+)/macrophages. c Estrogen treatment further triggers CAF.ERα(+) reduced PCa invasion. CAF.ERα(−) or ERα(+) cells were treated with vehicle, E2 (10 nM) or/and ICI (10 μM) and co-cultured with macrophages for 48 h. CMs were collected and added to 24-well plates and the PCa cells (CWR22Rv-1) were seeded onto inserted transwells pre-coated with matrigel. After 48 h incubation, invaded PCa cells were counted and compared, and quantitation data is shown at right. *, P < 0.05 vs. CAF.ERα(−)/macrophages CM treatment group

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Molecular Cancer

ISSN: 1476-4598