This study investigated Allium subhirsutum L. (AS) anticancer and antioxidant eects and inhibition of tumor angiogenesis in a murine model of skeletal metastases due to inoculation of Walker 256/B cells. Phytochemical composition of AS extract (ASE) was studied by High Resolution-Liquid Chromatography Mass Spectroscopy (HR-LCMS). Total phenolic and flavonoid contents (TPC and TFC) were determined. In vitro, the antioxidant properties were evaluated by reducing power and antiradical activity against DPPH. Cancer cells’ proliferation, apoptosis, metastatic development and angiogenesis were evaluated usingWalker 256/B and MatLyLu cells. The p-coumaric acid was the major phenolic acid (1700 g/g extract). ASE showed high levels of TPC and TFC and proved potent antioxidant eects. ASE inhibited Walker 256/B and MatLyLu cells’ proliferation (Half-maximal inhibitory concentration: IC50 ' 150 g/mL) and induced apoptosis. In silico and in vivo assays confirmed these findings. ASE eectively acts as a chemo-preventive compound, induces apoptosis and attenuates angiogenesis and osteolytic metastases due to Walker 256/B malignant cells.
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