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Regorafenib inhibits vascular endothelial growth factor (VEGF) secretion in TNBC cell lines. (A). MDA-MB-231 and (B). SUM159PT cells were irradiated after 24-h pretreatment with Regorafenib and VEGF (pg/ml) was measured in the culture media supernatant at 2-h or 24-h postirradiation. *p ≤ .01, **p ≤ .001.
