MMP2 and breast cancer: TQ alone or in combination with paclitaxel enhanced radiosensitivity of MCF7 and MDA-MB-231 breast cancer cells by inhibiting radiation-induced colony formation, migration and invasion, and epithelial-mesenchymal transition (EMT) via restoring E-cadherin and decreasing TGF-β, integrin αV, MMP9, and MMP2 expression in irradiated cells [22].