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. Author manuscript; available in PMC: 2019 Jun 19.
Published in final edited form as: J Mammary Gland Biol Neoplasia. 2018 Aug 9;23(4):249–267. doi: 10.1007/s10911-018-9407-1

Fig 9. Role of fibroblasts in invasive progression of breast lesions.

Fig 9.

Decreased expression of TGF-β in stromal fibroblasts increase expression of CXCL1, which acts on CXCR2 expressed on mammary epithelial cells. CXCL1/CXCR2 signaling increases activation of: NF-κB, AKT, Stat3 and p42/44MAPK to enhance cellular invasion.