Figure 1. Structure of 2′,4-dihydroxy-4′,6′-dimethoxy-chalcone (DDC). 2.2. DDC Induces Selective Cytotoxicity in BC Cells The study investigated the impact of DDC on the growth of two breast cancer (BC) cell lines, MCF-7 and MDA-MB-231, as well as on non-tumorigenic mammary gla...